Sony KD-55X95 G Series Service Manual page 27

2019/01/15 23:07:08 (GMT+09:00)
1.3 No Power DDCON/LDO
BM3J19 Board Model
Check IC402 Vcc
Check Vcc voltage
Is voltage >2.5V?
DDCON check
START
Check Vcc voltage
no
Voltage C423
Is voltage >12V?
Is voltage >3V?
yes
no
C603
Is voltage >4V? Is diode alive?
yes
Check Enable
no
IC600 #pin1
yes
Change DDCON
IC601
Check
no
C603 D600
Is diode alive?
yes
Check
no
D601
Change D601
yes
Check 5V_MAIN DDCON (IC402)
Change IC600
IC Ref
IC601
no
Change D600
yes
Check 3.3V_STBY.
G* board
Voltage supply
1.2V_M3_DDR
27
SYS SET