60" Model Protection Mode System Block Diagram - Sony KDL-55EX500 Troubleshooting Manual

60" Model Protection Mode System Block Diagram

AC
CN1
Input
Fuse
HV Inverter Board
24V
Backlight
Inverter
HV
High
Voltage
Corcuits
CTV-65
G8S-Board
12V
AU12V
RECT
PS
24V 24V
PS
LCD Panel Assb
HV Inverter Board
24V
Dimmer
BL_ON
BL_ERR
Backlight
Inverter
HV
BL
High
Voltage
Corcuits
60" PROTECTION CIRCUITS DIAGRAM
CN201
CN2
9
8
1V to 3V
13 13
3V
12 12
0V
11
11
3
3
3
3
CN5
3
CN4
Protection Circuit
Q8153, Q8155
Q8158, Q8160,
CN8151
CN8152
CN4152
LCD TCON
LCD
Panel -HFR
Panel
FIGURE 2-6
AZ1K Chassis Models Overview
A-Board
Interface
Circuit
Dimmer
BL_ON
BL_ERR
IC4305
Temp
Sensor
70C
Q8156
IC8151
Audio
Amp
SDA (I2C)
DC_Detect
2X
IC400
MTK5388
Backlight_ERR
6X
Temp_ERR
7X
Audio_ERR
3X
TCON_ERR
5X
HFR_ERR
5X
22