Section 2 - Troubleshooting; Power & Backlight Systems Block Diagram - Sony KLV-40ZX1M Training Manual

Power & Backlight Systems Block Diagram
R6016
AC
CN6000
Input
F6001
Relay
RY6001
CN6501
18V
3
CN6500
1
390 V
2
CN6720
390 V
2
To each
PS
CN6721
18V
3
To Each
PS
CTV-54

Section 2 - Troubleshooting

GS1-Board
F6150
1
CN6159
3
REC REC
IC6501
PFC
Main
19V
PS
5
REC
CN6156
CN6157
Stby 3.3V
IC6200
3
STBY
19V
PS
(Power 1)
Power-On
3V
Q6404
1
SW
3V
Interface 2
INV_ERR
0V
7
3V
8
9
1V – 3V
3
2
1
6
CN6158
LD1-Board
CN6780
12V
9V Reg 6
Inv_Err
1
BL_ON
2
Dimmer
3
CN6781
+
+
58Vdc to 95Vdc
LED
PS -
+
58Vdc to 95Vdc
+
LED CN6783
PS
-
-
58Vdc to 95Vdc
CN6782
+
-
58Vdc to 95Vdc
LED
PS -
CN6784
12V
B-Board
CN2502
F2001
AU12V
Audio
3 F2502
IC2505
Amplifier
5V Reg
F2504
Reg 12V IC2504
3
1.8V &
3.3V Reg
CN2501
F2503
IC2503
CN2500
1V & 2.5V
3
IC3501
1.8V Reg
IC4700
IC3001
1
Trident
AC_DET
BE
2
Micro
Panel 12V
7
BL_ON
Power 2
8 Power 3
Dimmer
Power 4
9
F2501
Q2502
Reg 12V
12V Reg
PS = Power Supply
BL = Backlight
INV = Inverter
DET = Detect
Top & Botton 68Vdc to 95Vdc
Left & Right 58Vdc to 78Vdc
LCD Panel Assembly
Reg
12V
CN4700
BT3-Board
1
TCON
\
LVDS
28
HFR
47
\
51
Regs
LCD Panel
ON
LCD PANEL
Edge LED
Backlight System
POWER & BACKLIGHT SYSTEM
FIGURE 2-1
8