T.MSD309.8B SERVICE MANUAL
FOR 40” LCD TV PLAYER
Content
·Caution & Warning
3
·Safety Notice
4
·PC Display Modes
4
·Specifications
5
·Factory Settings Introduce
6
·Troubleshooting Charts
7
·Wiring (Circuit) Diagrams
8
·Schematic Diagram
9
·Exploded View and Mechanical Parts List
25
Caution
Be sure to read this manual before servicing. To assure safety from fire, electric shock, Injury, harmful radiation and materials, various measures are provided in this liquid crystal television/monitor. Be sure to read the cautionary items described in the manual to maintain safety before servicing.
Service Warning 1. The LCD Panel Module is made of glass. When handling broken LCD Panel Module, take special care not to be injured. 2. Replacement work should only start after the LCD Panel Module and the AC/DC Power Supply has become sufficiently cool. 3.Take special care of the LCD display panel and do not damage its surface. 4.Do not touch the LCD Panel Module with your bare hands and protect its surface from stains. 5.It is recommended to use clean soft gloves during servicing in order to protect the LCD display panel and the service personnel himself.
Safety Notice Maintenance and repair of this LCD TV should be done by qualified service personnel only. Critical parts that have special safety characteristics are identified by a
in the
replacement parts list. Use of any substitute replacement part that does not have the same safety characteristics as the recommended replacement part in the parts list might create shock, fire and / or other hazards. Read and comply with all caution and safety related notes on or inside the LCD/monitor cabinet, the printed circuit boards or the LCD Panel Module. Please note the following safety symbols indicated below.
PC Display Modes *Sometimes, the image may be disrupted due to the frequency standard from the VGA card. However, this is not an error. You may improve this situation by activating the automatic adjustment or by manually changing the phase and the clock settings in the menu.
*If you switch off the TV, interference lines may occur on your screen. Please note that is normal.
*To extend the service life of the product, we recommend that you use your computer's power management function.
Specifications Size Display Size Type Pixel pitch Viewing Angle
40" (SAMSUNG) 952.0(H)X551.0 (V)mm TFT color 0.46125 (H)X0.46125(W) mm R/L 178 (Typ.); U/D 178 (Typ.) (Depending on the panel manufacturer, the viewing angle may be different from this spec.)
Lifetime
50,000h
White Luminance Contrast ratio
430cd/m2
Display Resolution
Optimum Mode Maximum Mode
1920x1080@60Hz 1920x1080@62Hz
Input Signal
Sync. Video signal RGB signal Digital TV USB
HA/Separate, TTL, P. or N. H/V Composite, TTL, P. or N. Sync-on-green 0.3 Vp-p, N. 1 Vp-p @ 75 ohm,0.7Vp-p @ 75ohm DVB-T H.264 MPEG4
TV, Video
Color system Sound system Video format
PAL/SECAM DK, I.BG,L/L’. CVBS,RGB ,
Power Supply
On the main board
AC 100-240 Vrms (50Hz / 60Hz)
Power consumption
Typical Power Saving
180W <1W
Environmental Consideration s
Operating Temperature Operating Humidity Storage Temperature
10℃to50℃ 8% to 95% -20℃to 60℃) 8% to 95%
Audio Characteristic s
Audio Input Frequency Response
SCART Jack, 1±0.3Vrms RF: 100Hz~12KHz(at±3dB) AV:100Hz~13KHz(at±3dB)
Hyper CATV
Yes
NICAM/A2
YES
Teletext
Yes
Noise Reduction
Yes
Connections
USB、 HDMI×3、 PC in D-Sub 15、 PC Stereo input、 YPBPR、 AV、 SCART、 CI 、 RF Tuner、 COX、 Headphone Jack、
Panel
Headphone JackPC Stereo input
4000:1 (Typ.)
Factory Settings Introduce Press Menu button，then press Press
▼
/ ▲
>1->1->4->7 in turn to into the Factory Menu.
button to select the item which you want to adjust，then press OK button to enter, press ◄ / ►
button to adjust.Press EXIT button to exit Factory Menu，
Factory Setting
Name
0 ADC ADJUST
1 EMC SETTING
2 General Setting
0 AUTO ADC 2 Mode 3 R GAIN 4 G GAIN 5 B GAIN 7 R Offset. 8 G Offset.. 9 B Offset.. 0 MIU Enable 1 MIU Span 2 MIU Step 4 LVDS Enable 5 LVDS Span 6 LVDS Step 0 TEMPERATURE 2 Mode 3 R GAIN 4 G GAIN 0.W/B 5 B GAIN ADJUST 7 R Offset. 8 G Offset.. 9 B Offset.. 10 COPY ALL 0 Mode 2 Brightness 3 Contrast 1. 4 Colour PICTURE MODE 5 Sharpness 6 Tint 7 COPY ALL
2. SOUND MODE
3. VOLUME CURVE
0 Sound Mode 1 Treble 2 Bass 3 EQ120Hz 4 EQ200Hz 5 EQ500Hz 6 EQ1.2KHz 7 EQ3KHz 8 EQ7.5KHz 9 EQ12KHz 10 RESET SOUND MODE 0 Mode 1 OFFSET 2 TAB_1
Range
Default RGB 4096 4096 4096 0 0 0 1 35 10 1 35.0KHz 2.00% Normal DTV 128 128 128 128 128 128 DTV 128 128 50 30 50 Standard 50 50 50 50 50 50 50 50 50 DTV 128 542
Description
3 TAB_10 4 TAB_20 5 TAB_30 6 TAB_40 7 TAB_50 8 TAB_60 9 TAB_70 10 TAB_80 11 TAB_90 12 TAB_100 4. WHITE PATTERN 5. PVR RECORD ALL 6. LVDS MAP 7.power 8.BL_ADJ 9.LCN_ON_OFF 10.CI_ ON_OFF 11.LOAD SETTING 12.SAVE SETTING 0 AFEC
746 794 808 824 836 848 857 869 881 899 off off 0 0 ON ON
1 Comb 2 SECAM 3 SCinit
0. QMAP ADJUST
4 CSC
OFF
5 CSC_Dither
OFF
6 YC delay
OFF
7 HSD_Y 8 HSD_C 9 444 TO 422
3 DEBUG
1. PEQ
2. BMTEST
3. VIF1
ALLPASS1X ALLPASS1X ON
10 VSD
OFF
11 HVSD_ Dither
OFF
12 10TO8_ Dither
OFF
13 Mem Format 0 FO1-Coarse Hz 1 FO1-Fine 2 FO2-Coarse Hz 3 FO2-Fine 4 FO3-Coarse Hz 5 FO3-Fine 6 Gain 1 db 7 Gain 2 db 8 Gain 3 db 9 Q1 10 Q2 11 Q3 0 Aeon Dhrystone 1 Mips Dhrystone 2 Aeon MM Test 3 Mips MM Test 0 AFEC_D4 1 AFEC_D5(2) 2 AFEC_D8(3:0) 3 AFEC_D9(0)
422MF 0 0 0 0 0 0 -12.0 -12.0 -12.0 0.5 0.5 0.5 0 Dhrystone/sec 0 Dhrystone/sec 0 micro second 0 micro second 0 0 0 0
4 AFEC_A0 5 AFEC_A1 6 AFEC_66(7:6) 7 AFEC_6E(7:4) 8 AFEC_6E(3:0) 9 VIF_TOP 10 VIF_VGAMAXIMUM 11 VIF_GAIN_DISTRIBUTT 13 China_DESCRAMBLER 0 VIF_CR_KP1 1 VIF_CR_K11 2VIF_CR_KP2 3VIF_CR_K12 4 VIF_CR_KP 5VIF_CR_K1 4. VIF2 6 VIF_CR_LOCK_THR 7 VIF_CR_THR 8 VIF_CR_KP_K1_ADJUST 9 VIF_DELAY_REDUCE 10 VIF_OVER_MODULATION 11 Version 0 AFEC_D7_LOW_BOUND 1 AFEC_D7_HIGH_BOUND 2 AFEC_43 3 AFEC_44 5. VIF3 5 VIF_CLAMPGAIN_CLAM 6 Audio_HIDEV_MODE 7 AFEC_DSP_Version 0 PWM Port: 1 PWM Output 6. PWM 2 PWM Cycle 3 PWM Period 0 MainSpeakOut 7. Audio 1 LineOut Output 2 SIFOut 3 SPDIFOut 8. UART DEBUG 0 Build Time
4 SW INFORM ATION
1 MIU0 DQS0 2 MIU0 DQS1 3 MIU1 DQS0 4 MIU1 DQS1 5 VHF_L_H 6 VHF_H_UHV 7 WDT
5 INIT TV 6 INIT FAC CHANNEL 7 BURN_MODE
20 60 3 3 88 0 7000 6A00 0 3 3 6 5 6 9 20 500 0 1 0 005 E 18 14 90 750 HIDEVL1 238E 0 off 0 0 102 102 102 0 HK 2010-05-08 15:11:09 9 9 0 0 164 444 On
Simple Troubleshooting SYMPTOM
DEALING METHOD
NO POWER
Check the power’s connection. Pull the plug out, wait for 60seconds, then reconnect the power and open the set.
NO IMAGE
Check the connection with the PC、SCART 、TV. Modify the brightness or contrast setting.
NO VOICE
Increase the volume. Check that if the set is on the mute state or not. Check the voice setting condition. Check the voice mode setting condition.
UNNORMAL COLOR
Check the connection
SOME INTERFERE IN THE VGA MODE
Please modify parameter of the LCDTV according to the instruction.
CLEAN THE SET
Please pull the plug out when clean the LCD screen. Using soft, clean cloth to wipe it. If need to clean further, please use dry cloth, don’t use naphtha or other thinner liquid.
COLOR SPOT
For this product using high definition LCD panel, and this panel having it’s special character, there exist some color spots, so it’s normal when the user find few color spots, it’s not a quality problem. The standard to inspect this panel are all the same which is out of the scope to replace the product.
Circuit (Wiring) Diagram(M40/74J-GB-FTCUP-EU)
Schematic Diagram (Main Board)
Electronic & Mechanical （T40W125THC-EU）
Parts
No
Part Code
1 2 3 4
S19031060G S19041055G S19101095G S19112009G
Front Cover ASS'Y Back Cover ASS'Y Base ASS´Y SPEAKER ASS´Y
5
S19061012G
Power Cord_Switch ASS'Y
6
S19111003G
Screw ASS'Y
7 8 9 10 11 12
S11191040G S11060063G S11060064G S12103115G S11123029G S12103112G
Base Baffle Base Ring-outer 1 Base Ring-outer 2 Base fixing plate Brase Prop Panel fixing strip-top
13
S12282031G
I/O Buffle
14
S12103113G
Main Bracket-L
15
S12103114G
Main Bracket-R
16
S12103103G
Bracket 1
17
S12103118G
Bracket 2
18
S12103119G
Bracket 3
19
S12103120G
Bracket 4
20
S12103121G
Bracket 5
21 22 23 24 25 26 27 28 29 30
S15012001G S15012009G S15012013G S15013007G S15012014G S15070063G S15023050G S15022012G S15022025G S18022010G S18019038G \003
31 32
S09150173G
33
S09154066G
34
S09154065G
Part Name
M40/74J-GB-FTCUP-EU Spec.
Qty. 1 1 1 1
Screw M3*6 Screw M3*8/(black) Screw M4*6 Screw M4*12(black) Screw M5*6 Screw M6*12(black) Screw ST4*12 Ф14 Screw ST3*10C Screw ST4*12(black) Internal Power supply
Black/40H6/Blaupunkt Black/NO DVD/7 KEY/40 UV black/40-42 YDT513\10mm\10W-8 Ω BBJ-601/Germany plug_350mm_300mm/VH3P 450mm PE 50*50mm+ST4*12C*7(Black) 40H/ Black L40H/ Black 40H/ Black L40H/2.0mm L40H L40H\1.0mm\H18.5mm L40H\0.8mm\Match MSD306.8B Mainboard L40H\1.2mm\Match SS LTA400HM07 L40H\1.2mm\Match SS LTA400HM07 0.8 mm\Match LK4180 POWER L40H\ 0.8Mmm\Match MSD306.8B Mainboard\Top L40H\ 0.8Mmm\Match MSD306.8B Mainboard\Bottom 40 wall mounting\1.5mm\H 55.7mm L40H\1.5mm\Match SS LTA400HM07 SJ2829 M3*6 SJ2829 M3*8 SJ2829 M4*6 SJ2830 M4*12(black) SJ2829 M5*6 GB9074.4-88 M6*12(black) SJ2838 ST4*12 Ф14 SJ2824-87 ST3*10C SJ2824-87 ST4*12C(black) LK4180-001F
Main Board
MSD309.8B/\EU
1
Inverter Cable
PH14P\XH8P\PH6P\PH14P-XH 8P L=580mm\PH14P-PH6P L=380mm\Toroid
1
XH4P\XH4P\L=200mm
1
XH13P\XH10P\L=300mm\Toroi d
1
Connecting Cable for (MB)Audio and Power Board Connecting Cable for Main Board and Power Board
1 1 1 1 1 1 1 6 1 1 1 2 1 1 4 1 10 6 26 6 8 4 4 2 29 1
35
S09104106G
Data Bus Cable
36
S17152010G
Accessory Bag
LVDS Cable\L=280mm\E51HL\Toroid PE 230*339mm
37
S17162032G
Plastic bag for CBU
PE 1200*1000mm
38
S09090026G
RF Cable
39
S10091020G
Remote Control
40
S16150001G
Batteries AAA
41 42 43 44 45 46
S16160005G S16010004G S14031011G S14031015G S13021040G S13021097G
Nylon strapping tape Acetate cloth adhesive tape Aluminum foil sheet 1 Aluminum foil sheet 2 Shock Tape Shock Tape
Male to female \L=1500mm\black\75Ω SM-HA02(black) with PVR_NO DVD\Silk BLAUPUNKT UM-4 AAA IECR03 1.5V （English） L=100x2mm L=60mm 50*40mm 80*40mm 20*20*2mm 170*10*0.5mm
1 1 1 1 1 2 3 1 1 2 2 2
