Internal Use Only Website http://biz.lgservice.com SERVICE MANUAL MODEL: LCS500UN
CAR CD/MP3/WMA RECEIVER SERVICE MANUAL MODEL: LCS500UN CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL.
P/NO : AFN74552074
DECEMBER, 2010
CONTENTS SECTION 1
SUMMARY
SERVICING PRECAUTIONS .............................................................................................................................1-2 ESD PRECAUTIONS ..........................................................................................................................................1-3 SPECIFICATIONS ..............................................................................................................................................1-4 LOCATION OF USERS CONTROLS .................................................................................................................1-5 FIRMWARE UPGRADE METHOD .....................................................................................................................1-6 HOW TO CONNECT AUDIO SET TO POWER SUPPLY ..................................................................................1-7
SECTION 2
ELECTRICAL
ELECTRICAL TROUBLESHOOTING GUIDE & WAVEFORMS .......................................................................2-1 1. SYSTEM CONTROL ERROR CORRECTION FLOW CHART .................................................................2-1 2. SOUND ERROR CORRECTION FLOW CHART ......................................................................................2-4 3. DISPLAY ERROR CORRECTION FLOW CHART ....................................................................................2-7 4. TUNER ERROR CORRECTION FLOW CHART.....................................................................................2-10 5. CDP ERROR CORRECTION FLOW CHART .........................................................................................2-11 6. USB ERROR CORRECTION FLOW CHART..........................................................................................2-14 7. BLUETOOTH ERROR CORRECTION FLOW CHART (OPTIONAL) .....................................................2-16 8. AUX ERROR CORRECTION FLOW CHART..........................................................................................2-17 • WAVEFORMS ...........................................................................................................................................2-18 • CIRCUIT VOLTAGE CHART ....................................................................................................................2-20 INTERNAL BLOCK DIAGRAM OF ICs ...........................................................................................................2-23 1. IC301 (HA13173AH) ................................................................................................................................2-23 2. IC801 (TB2946HQ) ..................................................................................................................................2-25 3. IC802 (BD3702FV)...................................................................................................................................2-26 4. IC901 (MC5502).......................................................................................................................................2-27 WIRING DIAGRAM ...........................................................................................................................................2-29 BLOCK DIAGRAM ...........................................................................................................................................2-31 CIRCUIT DIAGRAMS .......................................................................................................................................2-33 1. MAIN CIRCUIT DIAGRAM .......................................................................................................................2-33 2. FRONT CIRCUIT DIAGRAM ...................................................................................................................2-35 3. CDP CIRCUIT DIAGRAM ........................................................................................................................2-37 PRINTED CIRCUIT BOARD DIAGRAMS ........................................................................................................2-39 1. MAIN P.C.BOARD ...................................................................................................................................2-39 2. FRONT P.C.BOARD ................................................................................................................................2-41 3. CDP P.C.BOARD .....................................................................................................................................2-43
SECTION 3
EXPLODED VIEWS
1. CABINET AND MAIN FRAME SECTION ..................................................................................................3-1 2. MECHANISM(PICK-UP) SECTION ...........................................................................................................3-3
SECTION 4
REPLACEMENT PARTS LIST
1-1
SECTION 1 SUMMARY SERVICING PRECAUTIONS 1. Always disconnect the power source before: 1) Removing or reinstalling any component, circuit board, module or any other instrument assembly. 2) Disconnecting or reconnecting any instrument electrical plug or other electrical connection. 3) Connecting a test substitute in parallel with an electrolytic capacitor in the instrument. CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard. 2. Do not defeat any plug/socket B+ voltage interlocks with which instruments covered by this service manual might be equipped. 3. Do not apply power to this instrument and or any of its electrical assemblies unless all solid-state device heat sinks are correctly installed. 4. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the test instrument positive lead. Always remove the test instrument ground lead last. 1) The service precautions are indicated or printed on the cabinet, chassis or components. When servicing, follow the printed or indicated service precautions and service materials. 2) The Components used in the unit have a specified conflammability and dielectric strength. When replacing any components, use components which have the same ratings. Components marked in the circuit diagram are important for safety or for the characteristics of the unit. Always replace with the exact components. 3) An insulation tube or tape is sometimes used and some components are raised above the printed writing board for safety. The internal wiring is sometimes clamped to prevent contact with heating components. Install them as they were. 4) After servicing always check that the removed screws, components and wiring have been installed correctly and that the portion around the service part has not been damaged. Further check the insulation between the blades of attachment plug and accessible conductive parts.
1-2
ESD PRECAUTIONS Electrostatically Sensitive Devices (ESD)
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called electrostatically sensitive devices (ESD). Examples of typical ESD devices are integrated circuits and some field-effect transistors and semiconductor chip components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity. 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on your body by touching a know earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed for potential shock reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ESD devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly. 3. Use only a grounded-tip soldering iron to solder or unsolder ESD devices. 4. Use only an anti-static solder removal device. Some solder removal devices not classified as “anti-static” can generate electrical charges sufficient to damage ESD devices. 5. Do not use freon-propelled chemicals These can generate electrical charges sufficient to damage ESD devices. 6. Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it. (Most replacement ESD devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive materials). 7. Immediately before removing the protective material from the leads of a replacement ESD device, touch the protective material to the chassis or circuit assembly into which the device will by installed. CAUTION : BE SURE NO POWER IS APPLIED TO THE CHASSIS OR CIRCUIT, AND OBSERVE ALL OTHER SAFETY PRECAUTIONS. 8. Minimize bodily motions when handing unpackaged replacement ESD devices. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ESD device).
CAUTION. GRAPHIC SYMBOLS THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL. WITHIN AN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF UNINSULATED “DANGEROUS VOLTAGE” THAT MAY BE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK. THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE.
1-3
SPECIFICATIONS • GENERAL Output Power Power Source Speaker impedance Ground System Dimensions (W x H x D) Net Weight • TUNER FM Frequency Range S/N Ratio Distortion Usable Sensitivity AM (MW) Frequency Range S/N Ratio Distortion Usable Sensitivity
53 W x 4 CH (Max.) DC 12 V 4Ω Negative 178 x 50 x 169 mm (Without Control Panel) 1.22 kg
87.5 ~ 107.9, 87.5 ~ 108 MHz, 65 ~ 74 or 87.5 ~ 108 MHz 55 dB 0.7 % 12 dBµV 520 ~ 1720 or 522 ~ 1620 kHz 50 dB 1.0 % 28 dBµV
• CD Frequency Response S/N Ratio Distortion Channel Separation (1 kHz)
20 Hz ~ 20 kHz 80 dB 0.12 % 55 dB
• AUX Frequency Response S/N Ratio Distortion Channel Separation (1 kHz) Max Input Level (1 kHz)
20 Hz ~ 20 kHz 80 dB 0.1 % 45 dB 1.1 V
• Bluetooth (optional) TX POWER Frequency Range Version
4 dBm 2402 ~ 2480 MHz Bluetooth Specification 2.0 + EDR
• USB Version
USB 1.1
• Line OUT Frequency Response Output Volatage Subwoofer (optional) Frequency Selecting Output Volatage
20 Hz ~ 20 kHz 2 V (Max.) 55/85/120 Hz 2.0 V (Max.)
Designs and specifications are subject to change without notice.
1-4
LOCATION OF USERS CONTROLS FRONT PANEL
A
B
K L
C
M
D
E
N O
A [SRC] Selects function sources. [• OFF] Power on/off. B [MENU] Activates setting menu. C Volume knob • Adjusts volume level. • Confirms the settings. • Checking tracks or files in CD mode or preset stations in TUNER mode. D [BAND] Selects a band. [• TA] Traffic Announcement (OPTIONAL) Searches stations that have TA/TP information. E Remote Sensor F Display window G [EQ] / [• XDSS+] Improves sound quality. H [DISP] • Press it, you can check the clock time. • Press and hold it, you can turn off the display light.
F
G
P Q
R
H
S
IJ
T
U
I [S] Releases a disc. J[
] Opens the front panel.
K [Mute] Temporarily stops the sound. L[
] Returns to the previous step.
M W❙- / +❙X Skip / Search / Seek / Tune N [FUNC] In each mode, sets playback items. O X❙❙ Plays and pauses playback. P [INT] Intro scan Q [RPT] Repeat function R [SHF] Shuffle S Numeric buttons Selects a numbered preset station in TUNER T [AUX] If connected to other portable player, you can enjoy musics from it on the unit. U USB port
1-5
FIRMWARE UPGRADE METHOD [ MAIN AND CD/USB FIRMWARE UPGRADE ] 1. Confirmation of version information
3. Upgrade start
• Change the Source of audio set to tuner. (Default: tuner) • Turn power off using power key. • Press power key for 5 s. (After power on, continue pressing) • After 5 s, beep sound rings two times. Then version information would show up at display. • In order to check version of MAIN and CD/USB system, Press band key.
• In order to start upgrade, Press LCS Model Preset 1 Key, LCF Model Play/Pause Key until “CHECK CD” Display on the LCD.
4. Upgrade progress display • Upgrade is in progress now. [ CHECK CD → ERASE → WRITE → I-VRF → D-VRF ]
2. Upgrade Program reading
5. Upgrade Completion
• Insert update CD or USB in ACC on state and then
• When Upgrade finished, the display shows up “DOWN OK”. After a while, the audio set is reset automatically.
LCS Model
CD : [Reading → File Check → Download?] USB : [USB Check → Download?]
• Caution! If power is off on the way of upgrading firmware, the set can’t be recovered. Therefore pay lots of attention for power not to be off.
LCF Model
CD : [Reading → File Check → MN(CD) Down?] USB : [USB Check → MN(CD) Down?] is displayed in order.
[ BLUETOOTH FIRMWARE UPGRADE ] - OPTIONAL 1. Insert the burned disc into the LCS700/LCF800, and wait until “DOWNLOAD?” is on LCD. 2. Press “1
” key for about 1 s, then starts the upgrading process with double beep sound.
3. Upgrading Process is as below Initial → Link establishment(LINK ESTAB) → DFU initial(DFU INIT.) → Link establishment (LINK ESTAB) → DFU Preprocess (PREPROCESS) → Writing → Wait 20Sec → Finalize 4. When Upgrading is completed, the upgrading CD is ejected automatically. 5. When the operation malfunctions, “DFU ERROR” appears on LCD for 2 s, then the upgrading CD is ejected automatically. 6. Download won’t be proceeded if the existing firmware is identified as same as that of the file downloaded. If so, “UNNECESSARY” or “UNNEEDED” is on LCD for 2 s, then the upgrading CD is ejected automatically. 7. It takes 5~6 min to download. 1-6
HOW TO CONNECT AUDIO SET TO POWER SUPPLY •
It is sufficient only to supply power for upgrade.
•
Shown from the right figure, connect yellow line (Battery) and red line (Ignition) to plus and minus terminal respectively.
•
Jack is connected to the audio set via its shapes matched each other.
•
We need power supply for operation of audio set (Voltage : 12~15 V Current : Over 2 A) Before connection between set and power supply, adjust voltage level to 15 V typically (It is okay up to 12 V.) Power Supply has a variety of shapes and capacity of voltage and current. At first check these things.
1-7
1-8
SECTION 2 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE & WAVEFORMS 1. SYSTEM CONTROL ERROR CORRECTION FLOW CHART Something wrong with the system control?
1A
1B
1C
1D
1E
1F
No power?
YES Checked the Fuse?
NO
F301 Inside of CN302
YES Checked the Back up Vdd and Gnd?
NO
CN302(1, 2, 3)
YES Checked the Regulator Back up Vdd ?
NO
IC301(15, 14)
YES Checked the Main Micom B+ Detect ?
NO
IC402(56)
YES Checked the Main Micom Vdd?
NO
IC402(30, 47, 50, 99, 100)
YES Checked the Main Micom GND?
NO
IC402(20, 51, 97, 98)
YES Checked the Main Micom Reset?
NO
IC401, IC402(90)
YES Checked the Main Micom X-tal?
NO
X401, X402
YES Checked the ACC in?
NO
Q301, R408, IC402(38)
YES Checked the detachable switch?(LCF Series only)
NO
SW402, IC402(87)
YES Checked the Front Panel KEY input?
IC402(53, 54), LCS Series : PN901(16, 17) LCF Series : PN902(9, 10)
NO
YES OK
2-1
1A
Not available to Remocon?
YES Checked the Remocon Sens Vdd?
NO
RC902, R961
YES Checked the Remocon Sens line?
NO
R962, IC402(81), LCS Series : PN901(1) LCF Series : PN902(24)
NO
EV901, IC402(82, 83), LCS Series : PN901(6, 7) LCF Series : PN902(18, 19)
YES OK
1B
Not available to Volume control?
YES Checked the Encoder Volume?
YES Checked the Volume IC Control?
NO
IC402(9, 10), IC802(25, 26)
YES OK
1C
Not available to Key Control?
YES Checked the Tact switch?
NO
LCS Series : SW901~SW917 LCF Series : SW901~SW913
YES Checked the Key line?
IC402(53, 54), LCS Series : PN901(16, 17) LCF Series : PN902(9, 10)
NO
YES OK
2-2
1D
Not available to Telephone Mute?
YES Checked the Tel Mute input?
NO
ZD499, Q312, Q326, IC402(34)
YES Checked the Mute Control?
NO
IC402(14, 15), IC802(15)
YES OK
1E
Not available to ANT(Motor Type) Control?
YES Checked the ANT control?
NO
D430, IC301(12, 13), IC402(33)
YES OK
1F
Not available to Remote(Power AMP) control?
YES Checked the Remote control?
NO
CN302(8), Q320, Q319, IC402(36)
YES OK
2-3
2. SOUND ERROR CORRECTION FLOW CHART Something wrong with the Sound?
2A
2B
2C
No sounds of All Functions?
YES Checked the E-VR Vdd?
NO
IC802(24)
YES Checked the E-VR Ground?
NO
IC802(27)
YES Checked the E-VR Control?
NO
IC802(25, 26), IC402(9, 10)
YES Checked the E-VR Mute Control?
NO
IC802(15), IC402(15)
YES Checked the E-VR Signal in/out?
NO
IC802(1, 2, 3, 4, 5, 6, 7, 9, 18, 19, 20, 21, 22, 23)
YES Checked the Power IC Vdd?
NO
IC801(23)
YES Checked the Power IC Ground?
NO
IC801(1, 2, 8, 13, 18, 24)
YES Checked the Power IC Control?
NO
IC801(4, 22), IC402(22, 32)
YES Checked the Power IC Signal in/out?
NO
IC801(3, 5, 7, 9, 11, 12, 14, 15, 17, 19, 21, 23)
YES Checked the Main Connector?
NO
CN302(11, 12, 13, 14, 15, 16, 17, 18)
YES OK
2-4
2A
Hearing the Pop Noise?
YES Checked the Mute Contorl?
NO
IC402(14, 15, 32), IC802(15), IC801(22), Q603, Q604, Q605, Q606, Q608
YES OK
2B
No Sound External AMP?
YES Checked the Line Out Signal?
NO
IC802(18, 19, 20, 21, 22, 23)
YES Checked the Line Out AMP Mute Control?
NO
Q603, Q604, Q605, Q606, Q608, IC402(15)
YES Checked the Line Out AMP Signal in/out?
NO
JK601
YES OK
2C
No output Beep sound?
YES Checked the Beep Control?
NO
IC402(80), IC802(14)
YES OK
2-5
■ CAUTION - Tip for repair Before exchange power amp IC(TB2946) for no audio problem, you have to check below list.
20 VCC1
6 VCC2 OUT1 (+)
3. Check Standby, pin 4 : Follow the below list.
C1
11
PW-GND1 8
OUT2 (+)
C1
Stand-by
Power
Sound
Voltage
ON
OFF
OFF
0 to 1.5
OFF
ON
ON
3.5 to 6 V
12
C1
Voltage
ON
OFF
0 to 1.5
15
OFF
ON
3.5 to 6 V
14
6. Re-soldering all the pin of IC. : Prevent crack of solder line.
RL
19
21
IN4 PW-GND4 24 OUT4 ( - )
PRE-GND
17
PW-GND3 18 OUT3 ( - )
C1
3
IN3
RL
23
13 RIP
STBY
10
4
OFF-SET MUTE DET 25 22
5V
C2
PLAY C4
Sound
RL
16 AC-GND
OUT4 (+)
Mute
5
PW-GND2 2
OUT3 (+)
5. Check Ripple pin 10. : Normally it is high (about 10 V)
RL
7
IN2
OUT2 ( - )
C6
9
IN1
OUT1 ( - )
4. Check Mute function, pin 22 : Follow the below list.
C3
1 TAB
2. Check input pin 11, 12, 14, 15
C5
1. Check VCC (pin 20, 6) & GND
R1
MUTE : PRE-GND
* Keep changed IC, We request that you send it to HQ.
: PW-GND
Picture 1) Power IC desc.
2-6
3. DISPLAY ERROR CORRECTION FLOW CHART Something wrong with the Display?
3A
3B
No Display or Some Display is broken?
YES Checked the LCD Driver Vdd?
NO
LCS Series : IC901(56) LCF Series : LCD901(7)
YES Checked the LCD Driver Ground?
NO
LCS Series : IC901(60) LCF Series : LCD901(10)
YES Checked the LCD Driver Reset?
NO
LCS Series : IC901(57), IC402(79)
YES Checked the LCD Driver OSC?
NO
LCS Series : IC901(61) LCF Series : LCD901(6)
YES Checked the LCD Driver data interface?
LCS Series : IC402(44, 46, 74, 79), PN901(2, 8, 18, 19), IC901(57, 62, 63, 64) LCF Series : IC402(44, 46, 74, 79), PN902(7, 8, 17, 23), LCD901(2, 3, 4, 5)
NO
YES Checked the LCD to LCD Driver line?
NO
LCS Series : IC901(1~55), LCD, Check the short
YES OK
2-7
3A
Not available to illumination with button?
YES Checked the Dimmer control input?
NO
CN302(7), IC301(9)
YES Checked the RED LED Vdd?
NO
IC301(4), Q303, IC402(61)
YES Checked the RED LED?
NO
LCS Series : LD921~LD945 LCF Series : LD921~LD936
YES OK
YES Checked the BLUE(GREEN) LED Vdd?
NO
IC301(4), Q304, IC402(43)
YES Checked the BLUE(GREEN) LED?
NO
YES OK
2-8
LCS Series : LD951~LD975 LCF Series : LD951~LD966
3B
Not available to LCD Lighting control?
YES Checked the Dimmer control input?
NO
CN302(7), IC301(9)
YES Checked the White LED Vdd?
NO
IC301(4), Q302, IC402(49)
YES Checked the White LED?
NO
LCS Series : LD991, LD992 LCF Series : LD990~LD993
YES OK
2-9
4. TUNER ERROR CORRECTION FLOW CHART Something wrong with the Tuner system?
Not available to Tuner?
YES Checked the Tuner Vdd?
NO
IC101(6, 22)
YES Checked the Tuner Vdd control?
NO
IC301(10, 11), IC402(40), D417
YES Checked the Tuner Ground?
NO
IC101(5, 10, 17, 23)
YES Checked the E-VR Mute Control?
NO
IC802(15), IC402(15)
YES Checked the I2C data?
NO
IC101(18, 19), IC402(3, 4)
YES Checked the Audio Signal?
NO
IC101(8, 9)
YES OK
2-10
5. CDP ERROR CORRECTION FLOW CHART Something wrong with the CD Player?
5A
5B
5C
No Loading?
YES NO
CN520(14, 12)
Checked the CD Vdd?
YES Checked the CD DSP Ground?
NO
IC501(4, 5, 7, 9, 12, 44, 49, 51, 74, 77, 81, 102, 104, 116, 117)
YES Checked the Motor DRV Vdd?
NO
IC504(7, 8, 20)
YES Checked the CD DSP Reset?
NO
CN520(19)
YES Checked the CD DSP X-tal?
NO
X501(4.2336 MHz)
YES Checked the Disc in load switch?
NO Fig 1, 2
CN506(2)
YES Checked the Loading Motor Control?
NO Fig 3, 4
CN520(21, 23)
YES Checked the 12/8 cm sense switch?
NO Fig 1, 2
YES OK
2-11
CN506(1)
5A
No Reading & "FILE CHECK" Display?
YES Checked the Limit Switch?
NO Fig 1, 2
CN506(8)
YES Checked the Motor DRV Mute Control?
NO
IC504(21)
YES Checked the Motor Loading Control?
NO Fig 3, 4
CN520(21, 23)
YES Checked the CD DSP Control?
NO
CN520(1, 3, 4, 5)
YES Checked the Focus Control?
NO
IC501(111), IC504(15, 16)
YES Checked the RF signal out check?
NO
IC501(82)
YES Checked the Spindle motor Control?
NO
IC501(107), IC504(11, 12)
YES Checked the SLED Control?
NO
IC503(109), IC504(13, 14)
YES Checked the tracking Control?
NO
IC501(113), IC504(17, 18)
YES OK
2-12
5B
CD no sound?
YES Checked the DSP signal out?
NO
IC501(46, 47)
YES OK
5C
No ejected the CD?
YES Checked the Eject key?
NO
IC402(54)
YES Checked the Loading Motor Control?
NO Fig 3, 4
YES OK
2-13
CN520(21, 23)
6. USB ERROR CORRECTION FLOW CHART Something wrong with the USB?
6A
6B
Only "NO USB" or "USB CHECK" Display?
YES Checked the USB Vdd?
NO
IC302
YES Checked the USB interface IC Ground?
NO
IC501(4, 5, 7, 9, 12, 44, 49, 51, 74, 77, 81, 102, 104, 116, 117)
YES Checked the USB interface IC Reset?
NO
CN520(19)
YES Checked the USB interface IC X-tal?
NO
X501
YES Checked the D+/D- Port?
NO
IC501(52, 53)
YES Checked the USB indication Port?
NO
IC501(52, 53)
YES OK
2-14
6A
"FILE CHECK" Display?
YES Checked the CD DSP Ground?
NO
IC501(4, 5, 7, 9, 12, 44, 49, 51, 74, 77, 81, 102, 104, 116, 117)
YES Checked the USB interface IC Reset?
NO
CN520(19)
YES Checked the DSP X-tal?
NO
X501
YES Checked the DSP Control?
NO
CN520(1, 3, 4, 5)
YES OK
6B
USB no sound?
YES Checked the CD DSP signal out ?
NO
IC501(52, 53)
YES OK
2-15
7. BLUETOOTH ERROR CORRECTION FLOW CHART (OPTIONAL) Something wrong with the BT?
7A No pairing?
YES Checked the BT phone list?
NO
See the manual phone list.
YES Checked the BT module Vdd?
NO
CN403(13)
YES Checked the BT module 5 V?
NO
CN403(14)
YES Checked the BT module data interface?
NO
IC402(1, 2, 71, 72)
YES OK
7A
No sound?
YES Checked the BT Vdd?
NO
CN403(13)
YES Checked the BT audio data?
NO
CN403(1, 2, 3)
YES Checked the E-VR signal in/out?
NO
IC802(3, 4)
YES OK
2-16
8. AUX ERROR CORRECTION FLOW CHART Something wrong With the AUX?
AUX no sound?
YES Checked the AUX Signal input?
LCS Series : JK903, IC802(7, 9), CN901(15, 17, 19), PN901(3, 4, 5) LCF Series : JK903, IC802(7, 9), CN971(20, 21, 22), PN902(20, 21, 22)
NO
YES Checked the E-VR & Power AMP?
NO
See the Sound Error correction Process.
YES OK
2-17
• WAVEFORMS 1. MAIN PART 1) MICOM(IC402) ↔ BLUETOOTH MODULE(CN403) IC402:[PIN71] IC402:[PIN72]
2) MICOM(IC402) ↔ DISPLAY (LCS SERIES : CN901, LCF SERIES : CN902) IC402:[PIN46] IC402:[PIN44] IC402:[PIN74] IC402:[PIN79]
3) MICOM(IC402) ↔ TUNER IC(IC101) IC402:[PIN4] IC402:[PIN3]
4) MICOM(IC402) ↔ VOLUME IC(IC802) IC402:[PIN9] IC402:[PIN10]
2-18
2. CDP PART Fig.1) SWITCHING CONDITION FOR LOADING
Fig.2) SWITCHING CONDITION FOR UNLOADING
CN506:[PIN2] CN506:[PIN1] CN506:[PIN8] CN506:[PIN11]
LOADING S/W
LOADING S/W
12/8 S/W
12/8 S/W
LIMIT S/W
LIMIT S/W
CHUCKING S/W
CHUCKING S/W
Fig.3) MOTOR CONTROL SIGNAL FOR LOADING
FEW
CN506:[PIN2] CN506:[PIN1] CN506:[PIN8] CN506:[PIN11]
Fig.4) MOTOR CONTROL SIGNAL FOR UNLOADING
CN520:[PIN21] CN520:[PIN23] CN506:[PIN9] CN506:[PIN10]
FEW
REW
REW
LO+
LO+
LO-
LO-
2-19
CN520:[PIN21] CN520:[PIN23] CN506:[PIN9] CN506:[PIN10]
• CIRCUIT VOLTAGE CHART IC101 PIN
PIN NAME
IC301 VOLTAGE
PIN
AM Mode
FM Mode -
1
PIN NAME
IC801 VOLTAGE
PIN
PIN NAME
VOLTAGE 0
TUNER MODE
CD MODE
B/T MODE
USB MODE
1
TAB
2
PWR_GND
0
GND
0
0
0
0
3
OUT
7.2
1
AMRFIN
2.9
2
AMRFDEC
4.2
-
2
FREG_B
-
-
13.6
-
4
STBY
5
3
FMIN2
-
3.1
3
FREG_F
-
-
1.24
-
5
OUT
7.2
4
FMIN1
-
3.1
4
ILL_8.4
8.4
8.4
8.4
8.4
6
VCC
14.3
OUT
7.2
PWR_GND
0
5
GNDRF
GND
GND
5
CTL4(FREG)
-
-
5
-
7
6
VCC2
8.3
8.3
6
CD_8 V
8
8
8
8
8
7
AMRFAGC
1.8
-
7
DSP_3.3 V
3.3
3.3
3.3
3.3
9
OUT
7.2
8
LOUT
3.8
3.8
8
BACK UP
14.1
14.1
14.1
14.1
10
RIPPLE
8.4
9
ROUT
3.8
3.8
9
CTL3(ILL)
5
5
5
5
11
IN
6.9
10
GNDAUD
GND
GND
10
AUDIO_8.4 V
8.4
8.4
8.4
8.4
12
IN
6.9
11
AMIFAGC2
-
-
11
CTL1(6,7,10)
5
5
5
5
13
PRE_GND
0
12
MPXIN
3.7
3.7
12
EXT(P.ANT)
13.8
13.8
13.8
13.8
14
IN
6.9
13
MPXOUT
4
4
13
CTL2(P.ANT)
5
5
5
5
15
IN
6.9
14
RSSI
1.2
0.8
14
VDD_5.6 V
5.6
5.6
5.6
5.6
16
AC_GND
6.9
15
XTAL2
6
6
15
BACK UP
14.1
14.1
14.1
14.1
17
OUT
7.2
16
XTAL1
6
6
18
PWR_GND
0
OUT
7.2
VCC
14.3
17
GNDD
GND
GND
19
18
SCL
4.7
4.7
20
19
SDA
3.9
3.9
21
OUT
7.2
20
VREF
4
4
22
MUTE
5
21
VREGSUP
7.1
7.1
23
OUT
7.2
22
VCC1
8.3
8.3
24
PWR_GND
0
23
GND
GND
GND
25
OFFSET
6.4
24
VCODEC
5.7
5.7
25
PLL
-
-
26
PLLREF
2.25
2.25
27
TEST
-
-
28
AMSELIN1
1.55
-
29
AMSELIN2
1.55
-
30
AMIFAGC1
3
-
31
AMSELOUT1
6.8
-
32
AMSELOUT2
6.8
-
2-20
IC802
CN402
CN403
PIN
PIN NAME
VOLTAGE
PIN
PIN NAME
VOLTAGE
PIN
PIN NAME
VOLTAGE
1
CD_R
4.2
1
DI
0
1
BT_L
2.5
2
CD_L
4.2
2
AGND
0
2
AGND
0
3
BT_R
4.2
3
DO
0
3
BT_R
2.5
4
BT_L
4.2
4
LCH
0
4
BT_TX
3
5
TUNER_R
4.2
5
CLK
0
5
DGND
0
6
TUNER_L
4.2
6
AGND
3.259
6
BT_RX
3.4
7
AUX_R
4.2
7
LOAD_SW
0
7
EEPROM_SDA
4.9
8
DN
4.2
8
RCH
4.99
8
EEPROM_SCL
4.9
9
AUX_L
4.2
9
LG2TA
4.98
9
N.C
1.6
10
N.C
4.2
10
AGND
4.98
10
N.C
1.6
11
N.C
4.2
11
CE
0
11
N.C
1.6
12
N.C
4.2
12
8V
0
12
MUTE
0
13
N.C
4.2
13
TA2LG
8.05
13
VDD_3.3 V
3
14
BEEP
4.2
14
3.3 V
0
14
PWR_5 V
4.8
15
MUTE
5
15
GND
0
15
GND
0
16
LRST
-
16
GND
4.78
16
N.C
-
17
LDOUT
-
17
GND
0
18
OUT_SL
4.2
18
GND
5
19
OUT_SR
4.2
19
RESET
4.98
20
OUT_RL
4.2
20
GND
0
21
OUT_RR
4.2
21
FEW_IN
4.99
22
OUT_FL
4.2
22
GND
5.02
23
OUT_FR
4.2
23
REW_IN
0
24
VCC
8.4
24
GND
4.76
25
SCL
4.9
25
8/12
4.76
26
SDA
4.9
26
GND
1.54
27
GND
0
27
RESERVED
2.52
28
FIL
4.2
28
GND
2.52
29
CHUK_SW
5.06
30
GND
0.02
2-21
2-22
INTERNAL BLOCK DIAGRAM OF ICs 1. IC301 (HA13173AH) 1-1. BLOCK DIAGRAM
+B DBUP
VB 8 Over voltage detect
3.5V
CTL 1
11
C2 0.1uF VBUP CBUP 100uF
BIAS
1.5V CTL 2
15
C1 100uF
TSD
13 VREF
2.5V CTL 3
9
14
VDDOUT CVDD 10uF
2.5V CTL 4
5 2.5V 7
DSPOUT CDSP 10uF
DEXT1 EXTOUT 12 DEXT2
VREF
CEXT 10uF ILMOUT
CDOUT 6 CCD 0.1uF
VREF
4
CILM 0.1uF 10
FREG B
CAUDIO 10uF
2 QFREG RFREG3 CFREG 10uF
AUDIOOUT
3
1 FREG F
GND
RFREG1
RFREG2
2-23
TAB GND
1-2. PIN FUNCTION (Note1) Protection function Pin No.
Pin name
Function
Normal operation -
TSD On -
VB=24V -
VB=50V -
(Note2)
(Note3)
(Note3)
1
GND
Ground
2
FREG_B
External Trs bass drive (Note4)
On/Off
On/Off
Off
Off
3
FREG_F
FREG feedback terminal
On/Off
On/Off
Off
Off
4
ILMOUT
8.4 V output for JLM/500mAmax
On/Off
Off
Off
Off
5
CTL4
FREG control terminal
-
-
-
-
6
CDOUT
8.0 V output for CD/1.3Amax (Note4)
On/Off
Off
Off
Off
On/Off
Off
Off
Off
-
-
-
-
7
DSPOUT
3.3 V output for DSP/250mAmax (Note4)
8
VB
Battery
9
CTL3
ILM control terminal
10
AUDIOOUT
8.4 V output for AUDIO/500mAmax (Note4)
11
CTL1
DSP, CD, Audio control terminal
12
EXTOUT
High side output/600mAmax (Note4)
13
CTL2
EXT control terminal
14
VDDOUT
5.7 V output for micro controller (Note4)
15
VBUP
Back up
-
-
-
-
On/Off
Off
Off
Off
-
-
-
-
On/Off
Off
Off
Off
-
-
-
-
On
On
On
Off
-
-
-
-
Note1. In the uper table. “On” means always On. “Off” means compulsory Off and “On/Off” means that it can control by control terminal. Note2. Thermal protection circuit A built-in thermal protection circuit (TSD:Thermal shut down) prevents thermal damage to the IC. All outputs except VDD(pin14) and FREG (pin2&3) are switched off when the circuit operates, revert to the original state when the temperature drops to a certain level. Note3. Overvoltage protection circuit The overvoltage protection circuit (surge protector) turns off all outputs without Vdd, when VB voltage is more than about 21V. And the overvoltage protection circuit (surge protector) turns off Vdd output with other all outputs, when VB voltage is more than about 26V. When the overvoltage protection operates on VB>=18V condition, the stand by current increases. Note4. Overcurrent protection circuit FREG_B (pin2), ILMOUT (pin4), CDOUT (pin6), DSPOUT (pin7), AUDIOOUT (pin10), EXITOUT (pin12), VDDOUT (pin14) output circuits are built-in overcurrent protection circuit based on the respective output current. These overcurrent protection circuits limit the current with a curve shape of “7” in the voltage-current graph. This prevents IC destruction due to overcurrent.
2-24
2. IC801 (TB2946HQ)
C1 11
10
1
6
20
Ripple
TAB
VCC2
VCC1
IN1 9 8
C3
C2
C5
2-1. BLOCK DIAGRAM
Out1 (+) PW-GND1
RL
Out1 (-) 7 C1 12
IN2 5 2
13 Pre-GND 3
C1 15
IN3 17
Out2 (+) PW-GND2
RL
Out2 (-)
Out3 (+) PW-GND3
18 C6
RL Out3 (-)
16 AC-GND 19
C1 14
IN4 21 24
5V
Mute
4 Stby 23
R1
22 Mute C4
Play
Offset/short
2-25
25
Out4 (+) PW-GND4 Out4 (-)
RL
B
3. IC802 (BD3702FV) 3-1. BLOCK DIAGRAM
3-2. PIN DESCRIPTION Terminal Terminal No. Name 1 2 3 4 5 6 7 8 9 10 11 12 13 14
A1 A2 B1 B2 C1 C2 DP1 DN DP2 EP1 EN1 EN2 EP2 MIN
Description
Terminal Terminal No. Name
A input terminal of 1ch A input terminal of 2ch B input terminal of 1ch B input terminal of 2ch C input terminal of 1ch C input terminal of 2ch D positive input terminal of 1ch D negative input terminal D positive input terminal of 2ch E positive input terminal of 1ch E negative input terminal of 1ch E negative input terminal of 2ch E positive input terminal of 2ch Mixing input terminal
15 16 17 18 19 20 21 22 23 24 25 26 27 28
2-26
MUTE LRST LOUT OUTS2 OUTS1 OUTR2 OUTR1 OUTF2 OUTF1 VCC SCL SDA GND FIL
Description External compulsory mute terminal Level meter reset terminal Output terminal for Level meter Subwoofer output terminal of 2ch Subwoofer output terminal of 1ch Rear output terminal of 2ch Rear output terminal of 1ch Front output terminal of 2ch Front output terminal of 1ch Power supply terminal I2C Communication clock terminal I2C Communication data terminal GND terminal VCC/2 terminal
4. IC901 (MC5502) 4-1. PIN CONFIGURATION
4-2. BLOCK DIAGRAM
2-27
4-3. PIN DESCRIPTION Pin No.
Pin Name
I/O
Pin Description
1 ~ 12
SEG1/ P1 ~ SEG12/ P12
O
LCD Segment output pins / General-purpose output pins(Only 1/4Duty Mode) Select Segment output pins or General-purpose output pins by the instruction.
13 ~ 51
SEG13~SEG51
O
LCD Segment output pins.
52
SEG52/ COM0
O
LCD Segment output pin or LCD Common output pin. SEG52 in 1/3 Duty use, COM0 in 1/4 Duty use.
53 ~ 55
COM1 ~ COM3
O
LCD Common output pins.
57
INH\
I
Display off control input pin INH\ = VSS, Display forced off INH\ = VDD, Display on
58, 59
VLC1, VLC2
I/O
LCD power supply
61
OSC
I/O
Oscillator output pin.
62
CE
I
Chip enable input pin
63
SCK
I
Shift clock input pin
64
SI
I
Serial Data input pin
56
VDD
-
Power supply
60
VSS
-
Ground
2-28
WIRING DIAGRAM B+, ACC, Phone Mute, Dimmer, Speaker Out, Power Ant
External AMP
ANT SK101
LINE OUT 4CH
POWER HARNESS
JK601
CN302
Pick Up
30PIN Wired Remocon
3PIN
Motor
17PIN
11PIN
CN519
CN506
30PIN MICOM <-> DSP
CN402
CN520
CN405 8PIN USB / Tuner Signal
CN301
8PIN CN599
PN901
MAIN BOARD
CD BOARD
24PIN
24PIN LCS SERIES:1LINE LCD (VA TYPE) LCF SERIES:3LINE LCD (VA TYPE)
CN901
FRONT BOARD 2-29
2-30
RL/SW
R/L
GND
N.C AGND BACK UP 14.4V
800uH
KDS160E C3875S
A1504 TEL_MUTE
BACKUP_ON_14.4V
2 8.2V
USB 5V
DC INPUT
DVDD
@refe KIA278R05
2SA1797
1
4
SVDD 2
B F
USB
USB 11P CNT FFC
DVDD
3
E A D C B F
ACC_IN DVDD
ON/OFF CONTROL
Tamul
DC OUTPUT
12MHz
LD
TD FD SPD SLD
GND LD MD R TFF+ T+ PDGND E A D C B F VC VCC
87F14C8A
SDRAM
DSP
C3875S
USB
PICK UP
GND
AGND
CD
AUDIO 8.4V
BACK/UP
ACC
T/MUTE
DIM
A/ANT
TELMUTE_3.3V
2.2K
RR
3 KDS181 1
RL
SWLSWR
PLL TUNING SYSTEM
REMOTE
VCC1 6
16
13 S_GND
14
ST_BY
VCC2 20
24
MUTE
OUT RR-
OUT RR+ 21
23
+
19 -
PW_GND 18
17 +
OUT RL-
OUT RL+ SVR 10
1 TAB
MUTE
15
AC_GND 4
22
2
-
OUT FR-
OUT FR+ 5
3
+
OUT FL7
8
9
-
2.2K 2.2K
22K
RDS DEMODULATOR
FR
22K
FM TUNER
TEL MUTE
2.2K
FL SIGNAL IMPROVEMENT CONTROL BANDWIDTH CONTROL
STEREO DECODER HIGH CUT SOFT MUTE NOISE BLANKER
12
I2C BUS
22K
POWER SUPPLY
22K
PLL TUNING SYSTEM
11
RL/RR : LINE_OUT SUBWOOFER OPTION
FL FR RL RR
AM TUNER
OUT FL+
RR/SW
+
FR
TB2946 ALL MODEL
TUNER-On-Board NXP Tiger-RDS(IC101)
FL
25 HSD
LINE_OUT : 2V
F/R
F/L
LINE-OUT BLOCK
R/R
BLOCK DIAGRAM
AVDD BACK UP 14.4V CD MOTOR DRV 8V
L_MTR L_CTL MUTE
AGND
USB_5V
SDA SCL
2.2UH DVDD
2.2UH SVDD
AGND
#3 CD POWER 5V
CD_OPTION RAM
CD_SLED_SW
AGND
CD_LOAD_SW
+
LOUDNESS
E
USB_ON
B1366
LPF
LIMIT_SW
F
F
12/8_SW
F
F
1. CD_L 2. AGND 3. CD_R 4. AGND 5. AUDIO 8.4V 6. DSP 5V 7. DGND 8. INN 9. LD SW 10.12CM 11.CHUCKING(SLED) 12.FEW 13.CD 8V 14.DAC MUTE 15.PGND 16.DR IC MUTE 17.REW 18.RESET 19.SPI(CL) 20.SPI(CE) 21.SPI(DI) 22.SPI(DO) 23.SGND 24.INTB1 25.INTIB2 26.ZERO MUTE 27.N.C 28.OPTION SDRAM 29.5V MICOM 30.N.C
F
SL+ SLSP+ LOLO+
C
B
BUFFER
DO CE CL UART_TX USB SW_OUT DO CE CL
AM5810FM
2.2UH AVDD
TFF+ T+ +
SL+ SLSP+ LOLO+
+
TD FD SPD SLD
I 2 C BUS LOGIC
C105S
BT 3.3V
BACK UP 14.4V
AGND
BD3702FV
POWER VCC
3 Band P-EQ(Tone control)
BACK UP 14.4V
AUDIO 8.4V
B+ DETACT VDD_5V
VOLUME1/MUTE
VDD_5.6V
LEVEL METER I2C KTA1504 @refe C105S
(DP1,DN,DP2)
(EP1,EN1,EN2,EP2)
(MIX)
32.768K
I/O PORT Total:71 CMOS Output:1 N-ch O.D I/O:4 CMOS I/O:66
CD L/R BLUETOOTH L/R
PWR_5V
ACC_OUT
PWR_5V
CLOCK MAIN CLOCK: 8MHz WDT CLOCK: 240KHz SUB CLOCK : 32.768KHz
78K0 CPU
FREG_B FREG_F KTA1504 @refe
SENSE OVER VOLT TSD
CTL1 POWER_ON
CTL1 6,10
BIAS
CDP_PWR_ON_8V
CTL2
PANT 12
59:B+ DETACT Operation Voltage 1.8V to 5.5V
PWR_5V
AUX L/R TUNER L/R
SYSTEM CONTROL RESET VDD FLMD0 VSS REGC EVDD
RESET S7133SF
TIMER 16Bit/8Bit/Watch
MULTI Regulator
POWER_ON
VDD_5V
Vref
BT 5V
DIMMER CTL3 4
POWER_ON
CTL4
VOL_UP
(C1,C2)
AD CONVERTER
VOL_DOWN
(B1,B2)
30,47,50,99,100 PIN(40mA) MICOM STAND BY 5V
Serial Interface
RAM FLASH EEPROM
PWR_5V
19.2M
(A1,A2)
VDD_5V_1
NEC UPD78F1165GF
4.7K @refe
Bluetooth 5V
ATT
Input selector (3 single-end and 2 stereo ISO)
4.7K @refe
INPUT GAIN
VDD_5.6V 200mA MAX
ACC_OUT(B/T)
14 CTL2 A.ANT 600mA MAX
DSP 3.3V 250mA MAX
VDD_3.3V 2
7
12 CTL3 Vref
1
CD OUTPUT 8.0V 1300mA MAX
BT ANTENA
LCD B_Lighting/LED 8.4V 500mA MAX
6
4 Back up Voltage
VDD_5V_1
EEPROM
AUDIO 8.4V/500mA MAX AUDIO 8.4V
10 FRONT_OPEN
PWR_5V
BT 5V
LED 8.4V
KEY1
KEY2
DIMMER_IN
4PIN
FRONT BLOCK
1
RED
BLUE 3 4
2
3
1
4
2
1 2 1
3
COGtype(Flip-D)_100P MC5502(Detach)_64P
2
COM B 3 2
LCD DRIVER IC 4
VOUT 1
VOLUME A 1
13PIN
PWR_5V @refe
VOLUME UP/DN REMOTE IC 4 5 D E
3
REMOTE IN
BLUETOOTH MODULE (MCS LOGICS)
4
S4580
DIM_IN LCD 8.4V
3PIN
3
RESET_SW 1
1 4
2
3
2
4
VCC
8
FRONT_DETECT
GND
+Vcc
7
GND
Vo1
DETACH S/W
6
3
1
5
Vinv2 Vo2
4
Vinv1
2
+
2
Vnon-inv2
FRONT CLOSE
4 3
+
-Vcc Vnon-inv1
LEFT RIGHT
REMOCON_5V
PWR_5V
WHITE
BT MODULE LBMX-2CC9B
SWITCH1 SWITCH2
1/3 BIAS 1/4 DUTY
SEG CONTROLL
USB JACK
LCD
AUX_IN
2-31
CTL4
2-32
2
CIRCUIT DIAGRAMS
1. MAIN CIRCUIT DIAGRAM 12
11
10
9
8
7
6
5
4
3
2
MAIN EBY60748501 LCF600/LCS500 2010. 06. 17
1
A
B
C
D
E
F
G
H
I
2-33
J
K
L
2-34
M
N
O
P
Q
R
S
T
2. FRONT CIRCUIT DIAGRAM 12
11
10
9
8
7
6
5
4
3
2
FRONT EBY60748801 LCS700/500/300 2009. 12. 04
1
A
B
C
D
E
F
G
H
I
2-35
J
K
L
2-36
M
N
O
P
Q
R
S
T
3. CDP CIRCUIT DIAGRAM 12
11
10
9
8
7
6
5
4
3
2
CDP EBY60708101 LCF600/LCS500 2010. 06. 17
1
A
B
C
D
E
F
G
H
I
2-37
J
K
L
2-38
M
N
O
P
Q
R
S
T
PRINTED CIRCUIT BOARD DIAGRAMS 1. MAIN P.C.BOARD (TOP VIEW)
(BOTTOM VIEW)
2-39
2-40
2. FRONT P.C.BOARD (TOP VIEW)
(BOTTOM VIEW)
2-41
2-42
3. CDP P.C.BOARD ( TOP VIEW )
( BOTTOM VIEW )
2-43
2-44
SECTION 3 EXPLODED VIEWS 1. CABINET AND MAIN FRAME SECTION
Accessory 451
Loc.No.
801
Loc.No.
808
Loc.No.
818
Loc.No.
835
Loc.No.
850
Loc.No.
900
298 453
274
A43
A45
451 A26
LCD901
FRONT
A50
279 281
277
280
282
451
451 A41
284 285
CDP
290
A46
CABLE1 297
283
276
450 MAIN 290A
451 452
255
451
456
258 451
251 454 294
450
257 293
256
252
292
254
250 253
A42
3-1
3-2
2. MECHANISM(PICK-UP) SECTION
A26
1 A03
2
3-3
3-4
