All Models Power Board Protection Circuits Block Diagram - Sony KDL-55EX500 Troubleshooting Manual

All Models Power Board Protection Circuits Block Diagram

AC
Input
CTV-65
G5E-Board (55")
G8S-Board (60")
CN6102 (55")
CN1 (60")
REC
PFC
OVP
REC
PFC
OTP
19V
PROTECTION CIRCUITS DIAGRAM
60" Model ONLY
Reg 24V
Reg 12V
Power
Supply
& PFC
Circuits
30V
Zener
24V
OTP
OVP
Latch Circuit
Switch Circuit
Pulls
Power_ON
Low
OVP – Over Voltage Protection
OTP – Over Temperature Protection
FIGURE 2-7
AZ1K Chassis Models Overview
CN4
CN5
3 To Inverter Board
3 To Inverter Board
9 To A-Board
G5E-Board &
15V
G8S-Board
Zener
Protection
12V
circuits will
OVP
cause a 2X
blink pattern
3V
3
Power-ON
CN2 (60")
From A-Board
CN6201 (55")
23