No Picture Hotel_B2B - Sony KDL-40W900A Service Manual

Rb1g chassis
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Troubleshooting
3-5. No Picture
3-5-2. No Picture HOTEL_B2B (BA2-S HOTEL_B2B)
No Picture B2B
PC
No Picture
Check if input OSD
is GREY OUT
Check wave between
R3149/R3150
and IC9001
Check wave between
C3126/C3127/C3128
and IC9001
Confirm HDMI
input working
Confirm other analog
Input working
Brownie [IC9001]
Problem
NG
Check CN3102
Connection,
PC_CON_DET
OK
NG
Detailed check
CN3102 pin13,
pin 14 path
OK
NG
Detailed check
CN3102 signal path
Pin 1, pin 2, pin 3
OK
Detailed TMDS path
NG
NG
HDMI EQ [IC5009]
check between
Problem
IC9001 and IC5009
NG
Check signal
between IC9001 and
IC5009 [RB5008]
OK
Ayu2 [IC9000]
p
NG
OK
Problem
Size
Si
B* B
B* Board Type
OTHERS
40"
BA2-S
Note:
Note:
46"
46"
BA2-S
BA2 S
(AYU2) – IC9000
55"
BA2-S
(Brownie)- IC9001
RB1G
CHASSIS
W900A/904A/905A
d T
G* Board
G* B
d
Type
JP
BA2-W
G1A
BA2-W
BA2 W
G1A
G1A
BA2-W
G1B
124

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