Skema lengkap untuk panduan service radio HF SSB Furuno FS 1000 Schematic Diagram. Berguna untuk belajar cara modifikasi FS-1000 Furuno dengan DDSDeskripsi lengkap
basic chassis types and its detailsFull description
SONY TV Model-to-Chassis
Chasis SolidWorks moto chopper
Descripción completa
1
2
3
4
5
6
A
A Vbridge
! CNB1
T3.15A 250Vac
!
!
!
1 2 1 B B B R R X C
2 B X C
!
!
! !
L FB1
FG
2 LCB1 4
! 3
4
LCB3 3
!
CYB2
3 4 B B R R
1
CYB1
!
GND
1
1 B V O M
RB124 CB118
2
NTCB1
4 0 1 B 1 L
TB101
!
5
Vbridge
BDB3 BDB4 BDB1 BDB2
EB1
2
N
!
! N
SGND
QB102
RB109
RB107
GD3
HSB1
HSB2
S H
S H
1
G1
FB1 ML1 M lar
+12VA
GND
6 1 1 B R
7 1 1 B R
8 1 1 B R
!
2
4
B 1 0 1 B C P 3
3
3 0 1 B C
4 0 1 B R
1
6 UB101 2 5 3
4
6 1 1 B C
4 0 1 B D
9 38
CB113
2
2
+12VA
RB131
1
!
1
5 3 1 B R
RB132 CB109
PCB101A 2
3 CB102
+12V
1
9 1 1 B R
EB106
CB101
EB102
B
4 1 1 B R
RB105
1 3 2
EB101
9 8 GND
6 3 1 B R 1
8 4 1 BVCC1 R
VCC1
DB101
3
LB102 +12V
LB101 2 1
RB108
5
4
+12VA 6 7
!
0 1 2 2 1 1 B B R R
6
56 7
CB114
RB106
3 0 1 B R GD2
5 1 1 B R
QB101
2 0 1 B R
GD1
3 1 1 B R
DB106
1 0 1 B R
B
MB1
2 1 1 B R
SGND
N
RB123
CB119
RB133
SGND ZB101
SGND
2
UB102
SGND MARK
MARK
!
C
C
RB134
SGND
SGND
GND CYB3 GND
D
D Title
Size B Date File File 1
2
3
4
5
Number umber
Revision Revision
TP.VST59.P63-MAIN POWER 2013/3/28 D Wor Work k .. 00_M 00_MAI AIN N POWE POWER. R.Sc SchD hDoc oc
V1.0 Sheet of Dra Dra n B 6
1
2
3
4
5
6
A
A
CB812
RB826 RB827
LB801 +12V
LED+ DB801
RB814
BL-ON
CB810 DB802 RB815 +12V
DVCC RB817
B
RB816
ADJ
UB801
DVCC 1
8
2
7
3
6
ADJ CB807
CB801 GATE1 N O L B
RB802
P RB821
GND
OVP1
D
RB801
+12V
QB802
EB801
BL-ON
RB807
GATE1
QB801 G
4 0 8 B D
CB808
S 8 0 8 B R
OVP1
6 0 8 B RB804 C
LED-FB
CB809
3 RB818 0 8 B R
7 3 8 B R
8 3 8 B R
9 3 8 B R
0 4 8 B R
B
GND GND
DB803 GND
RB819
QB812
QB803
C B
E
RB805
RB824
4
GND
5
LED-FB
E
CB802 RB820
CN807
1 2 3 4 5 6
0 1 2 3 4 1 2 3 4 5 6 7 8 9 1 1 1 1 1
B
RB825
RB806 CB803
1 1 8 B C
CB804
CB805
RB809 RB812 RB81 2 RB813
GND GND
CN806
C
CN811
A
LED-FB
LED-FB
LED+
2 4 6 8
LED+
GND
CN805 3 4 1 2 3 4 5 6 1 1
GND
CN804
CN801
1 2 3 4 5 6 7 8
1 2 1 3 5 7
C A
LED-FB
A LED-FB
LED+
LED+
C
LED+ LED-FB
P LED-FB DVCC
LED+
D
D Title
Size B Date File File 1
2
3
4
5
Number umber
Revision Revision
TP.V TP.VST ST59 59.P .P6 63 LED LED DIRV DIRVER ER
V1.0 V1.0
2013/3/28 Sheet of D Work Work .. 01_MA 01_MAIN IN POWE POWER-L R-LEDDirv EDDirver. er.Sch Dra Dr SchDo a Doc n cB 6
Troubleshooting Power supply trouble Display trouble Audio trouble Function trouble
1.Power Board Diagram
AC input
EMI filter
Rectifier
Power convertor
Output filter
19V/24 V output
Feed back
ON/ 0FF ADJ/PWM
LED driver
LED
extinguish
2.Power Board Service Guide
Non output, IR indicator light extinguish
Y
Check if 12V output normal N Check if FB1Open
Check the power components damaged or not
Y
Y
Change damaged components
N Y
Check EMI open or LN short
Change short components
N N
Check if EB1 voltage about 2Vac Y Check if UB101 PIN5 voltage is about 15V
Go to check Main board function
Y Check the rectifier
Check if output short
N
Check if 148open
N Change UB101
Y
Change damaged resistors
3.Power Board Service Guide IR indicator light up but backlight extinguish
Y
Check if LED output cable is connect correction Y N
Check ADJ&PWM& ON/OFF Control signal Y Y
Check if brightness is in dim status N N
Check if LED output short
Check if UB801 PIN1 voltage is above 12V Y N Check if RB809, RB812,RB813 open
Y Y Correct the LED cable
Increase brightne ss
Remove short status
Change damaged resistors
Change UB801
Check Main board function
4
Power Supply Trouble Check E3 for 12V output
Check the test point :CD121 for +5V , CD26 for +1.2V_VDDC , and C13 for +3.3V_STB
F1 damage or check the power supply
Repair the abnormal circuit : 1.+5V—check UD11 and peripheral components 2.+1.2V_VDDC –- check U4 and peripheral components 3. +3.3V_STB—check U1
Power on , check C15 for M_5V , C33 for 2.5V output
Repair the abnormal circuit : 1.M_5V—check Q4 2.2.5V–- check U6
5
Display Trouble
blurred screen
blurred screen
Check if the cable is correct and connected tightly Y
N
Change the cable for panel
Check if the panel is OK
N
Y
Check if the output circuit from V59/ V29/ V39 to the jack are normal
Change panel
N Y
Change or repair the damaged components in this part
Check the circuit of V59/ V29/ V39
6
Display Trouble
white screen
White screen
Check if the voltage of panel power supply is normal(depends on panel)
Y
N
Check output signal from V59/ V29/ V39
Check the circuit of Q8
N
Change V59/ V29/ V39
Y
Change the panel or the cable to panel
7
Display Trouble
black screen Black screen
Check BLON for 5V output
N
Check if the control circuit from BLON to V59/ V29/ V39 is normal
N
Repair the circuit
Y
Change V59/ V29/ V39
Y
Check if the power supply for inverter is normal
N
Repair the power supply
Y
Change inverter
8
Audio Trouble
No sound) No sound
Check the AMP power N
Y
Check the power supply circuit
Check if the mute pin voltage is normal N Y
Check the control circuit
Check the input signal N Y
Check the circuit from V59/ V29/ V39 to AMP
Check the output signal
N
Change AMP
Y
Check the circuit from AMP to the jack
9
Function Trouble
TV video TV can’t search any channel/no picture
Check input RF signal N
Y
Check the RF source
Check tuner power
N
Check if IIC work
Check power supply circuit
N
Check IIC circuit
Y
Check LVIF output signal
N Check tuner and peripheral components
Y
Y
Check the circuit from tuner to V59/ V29/ V39
10
Function Trouble
PC
PC mode
Missing color, deflection color
Check if the signal of V-sync,H-sync is OK
Y
Do “auto adjust” process
Picture dithering
Picture is not in centered
Do “reset” process on the menu
N
Check the circuit of R.G.B input
No signal
Check if the R.G.B input signal of V59/ V29/ V39 is normal
Y
Do “reset” process on the menu or the input mode can’t be supported
