Sony KD-55A9G - DDCON Check

28
BM3J19 Board Model
IC Ref Voltage supply
IC601 1.2V_M3_DDR
DDCON check
Check Enable
IC600 #pin1
Is voltage >2.5V?
Change IC600
Change D600
no
no
START
yes
Change DDCON
IC601
Check Vcc voltage
C603
Is voltage >3V?
yes
Check
D600
Is diode alive?
no
yes
Check 3.3V_STBY.
G* board
Change D601
no
Check Vcc voltage
C603
Is voltage >4V?
yes
Check
D601
Is diode alive?
no
yes
Check 5V_MAIN DDCON (IC402)
Check IC402 Vcc voltage
C423
Is voltage >12V?
no
yes
1.3 No Power DDCON/LDO
SYSSET
2019/04/1901:55:00(GMT+09:00)