No Picture Hotel_B2B (Bax_L + Tus Aep,Uc/Pa) - Sony KJ-32W7 C Series Service Manual

Troubleshooting

3-4-3 : No Picture HOTEL_B2B (BAX_L + TUS AEP,UC/PA)

Confirm
OK
HDMI input
working
NG
HDMI EQ
[IC5009] Problem
No Picture B2B
PC
No Picture
NG
[GREY]
Check if input
OSD is grey out
OK [NOT
Detailed check parts
GREYED]
Detailed check all parts
Check wave between CN3102
NG
R3149/R3150 and
IC9001
14: [ R3150, R3152]
OK
Detailed check all parts
CN3102
Check wave between
NG
C3030/C3022/C3029
and IC9001
OK
Check signal
Confirm
NG
Analog RF
IC9001 and
input working
[RB5008]
OK
Brownie [IC9001]
Ayu2 [IC9000]
Problem
CN3102
NG
Check CN3102
Connectivity
Connection
Problem
OK
at PC_CON_DET
Path [C7018]
NG
OK
CN3102
Connector
Problem
OK
along signal path at
NG
pin No:
13: [R3149, R3151]
OK
along signal path
NG
at pin No:
1: [R3026]
2: [ R3024]
3: [R3025]
between Detailed TMDS path
NG
Check between
IC5009 IC9001 and IC5009
OK
Problem
LEGEND
BAX-L
TUS/TUW
Parts Broken