KDL-46W700A, KDL-46W704A, KDL-46W705A, KDL-46W707A, KDL-50W700A, KDL-50W704A, KDL-50W705A, KDL-50W707A - Sony TV Service Manual (repair manual). Page 123

Read Sony KDL-46W700A / KDL-46W704A / KDL-46W705A / KDL-46W707A / KDL-50W700A / KDL-50W704A / KDL-50W705A / KDL-50W707A Service Manual online

RB1G
CHASSIS
W700A/704A/705A/707A/708A
Troubleshooting
3-5. No Picture
3-5-3. No Picture UC/GA/CH (BA2-S UC/GA/CH, BKX)
(*)
Size
B* Board Type G* Board Type
46”
BA2 S
GL2S
No Picture GA
Video 1
Video 2 
Component
Note: 
(AYU2) – IC9000
46”
BA2-S 
GL2S
50”
BA2-S
GL2
No Picture
Check if input  OSD 
is GREY OUT
Check J3101
connection, 
VIDEOA DET
No Picture
Check if input  OSD 
is GREY OUT
No Picture
NG
Check J3104  Conn
VIDEOB_DET, 
CR DET
Check if input  OSD 
is GREY OUT
Check J3104  
Connection, 
VIDEOB DET
NG
NG
(Brownie)- IC9001
Check wave between
C3106 and IC9001
Detailed check
J3101 signal path
NG
VIDEOA_DET
Check wave 
Between C3120/C3121
and IC9001
Detailed check
J3104 signal path
NG
OK
CR_DET
Check wave between 
C3120 and IC9001
Detailed check
J3104 signal path
NG
VIDEOB_DET
OK
OK
HDMI EQ [IC5009] 
Problem
NG
OK
NG
Detailed SDIF path 
Check between 
IC9001 and IC9000
OK
Confirm  HDMI 
input working
OK
OK
NG
Detailed SDIF path 
Check between 
IC9001 and IC9000
NG
OK
Confirm  Analog RF 
input working
Check signal 
between IC9001 and 
IC9000 [R8633]
A 2 [IC9000]
OK
Detailed TMDS path 
check between 
IC9001 and IC5009
Confirm other analog
NG
Check signal 
NG
OK
Confirm  Analog RF 
input working
Check signal 
between IC9001 and 
IC9000 [R8633]
A 2 [IC9000]
OK
NG
Ayu2 [IC9000] 
Problem
Confirm other analog
Input working
Ayu2 [IC9000] 
OK
between IC9001 and 
IC5009 [RB5008]
Brownie [IC9001] 
OK
Brownie [IC9001] 
Problem
Ayu2 [IC9000] 
Problem
Brownie [IC9001] 
Problem
123
Problem
Problem
Page of 127
Display

Click on the first or last page to see other KDL-46W700A / KDL-46W704A / KDL-46W705A / KDL-46W707A / KDL-50W700A / KDL-50W704A / KDL-50W705A / KDL-50W707A service manuals if exist.