Read Sony KD-55X9000A (serv.man2) Service Manual online
No Picture
Video 1
No Picture
NG
OK
HDMI EQ [IC5009]
Problem
NG
OK
Check wave between
C3106 and IC9001
Detailed check
J3101 signal path
NG
Confirm Analog RF
input working
NG
Check if input OSD
is GREY OUT
Check J3101
connection,
VIDEOA_DET
Detailed SDIF path
Check between
IC9001 and IC9000
Check signal
between IC9001 and
IC9000 [R8633]
OK
Video 2
No Picture
OK
Check wave
Between C3120/C3121
and IC9001
Detailed check
J3104 signal path
NG
Confirm HDMI
input working
OK
Check if input OSD
is GREY OUT
Component
No Picture
NG
OK
Detailed TMDS path
check between
IC9001 and IC5009
Confirm other analog
Input working
OK
NG
Check signal
between IC9001 and
IC5009 [RB5008]
NG
Brownie [IC9001]
Problem
OK
Check J3104 Conn
VIDEOB_DET,
CR_DET
Brownie [IC9001]
Problem
OK
OK
Check wave between
C3120 and IC9001
Detailed check
J3104 signal path
NG
Confirm Analog RF
input working
NG
Check if input OSD
is GREY OUT
Check J3104
Connection,
VIDEOB_DET
Detailed SDIF path
Check between
IC9001 and IC9000
Check signal
between IC9001 and
IC9000 [R8633]
OK
NG
OK
Brownie [IC9001]
Problem
NG
OK
NG
Ayu2 [IC9000]
Or Backend
Problem
Ayu2 [IC9000]
Or Backend
Problem
Ayu2 [IC9000]
Or Backend
Problem
Change B* board
3-4. NO PICTURE
KD-55/65 X9000A, X9004A(PA)
120
TROUBLE SHOOTING
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