Chapter 4 - Power Supply System - Sony KDS-50A2000 Training Manual

TH6300
Thermistor
(Near Lamp)
Part# 1-803-586-41
TVP-23

Chapter 4 - Power Supply System

G-Board
CN6005
TP
1
PH6300
Feedback
Standby 5V Supply
IC6300
D6000
16V
18V
Switch
R6500
Circuit
PH6400
AC_Relay
L6507 R6102
16V
D6300
PFC*
R6002
RY6004 RY6003
AC Inrush
Relay
Stdby 5V
3
TP
F6001
110V AC
CN6001
1~2
NOTE: *Power Factor Correction
AC
IC6502 , Q6501, 6502, 6500, 6505 , L6507
Input
TP – Easily Accessible Test Point
AC Ground
380V
C6932
14V
TP
Stdby 5V
TP
C6312
TP
Feedback C6936
PH6200
TP
IC6202
FB
9V Reg
Main
D6206
Supply
12V
C6934
IC6100
6.5V
VSense
16.5V
VCC
16.5V
R6009
6.5V
Relay
6.5V
TP
PH6402
TP
0.6V
Q6402
To 18V
C6400
Switch Circuit
PH6400
CN6501
3
Lamp Driver
TP
1
CN6902
Audio A1-Brd
A1-Brd
11V
10.5V
A1-Brd
D5V
3V
REC-ON (From A1-Brd)
9V
A1-Brd
6.5V
A1-Brd
A1-Brd
D3.3V
CN6901
TP
1
C-Brd
4
TP
C-Brd
/
6
CN6902
0V
PFC_DET (To A1-Brd)
AC_Relay (Power-ON From A1-Brd)
POWER SUPPLY (G-BOARD)
FIGURE 4-1
QM-Brd
B1-Brd
B1-Brd
B1-Brd
S1-Brd
S2-Brd
29