Sony KLV-32EX330 Service Manual page 36

Troubleshooting
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Check Check
Component
signal
NG / No
source
picture
or cable.
NG NG
Video Signal
Source problem or
cable problem
Check
Input jack
OK
'J3006'
connectio
n
NG NG
Make sure jack
proper connection
to board
Check input signal 0.7Vp-p
at R3034_Y0P line ,
R3036_PB0P line &
R3037_PR0P line
NG
R3014, R3017,
R3015, R3018,
R3016 or R3019
connection/defect
./9 (;
Ref4
OK OK
Ref3
Ref5
Confirm waveform at
C3027 (face to IC5000)
same as Ref3. Confirm
waveform at C3029
(face to IC5000) same (face to IC5000) same
as Ref4. Confirm
waveform at C3030
OK
(face to IC5000) same
as Ref5. Input CB
pattern.
NG
Confirm R3014, Confirm R3015,
R3034, C3027 R3036, C3029
(Y0P (PB0P
line)connection and line)connection and
value value
(; $ (; % (;
OK
IC5000 defect
Confirm R3016,
R3037, C3030
(PR0P
line)connection and
value
(; $ (; %
50 *$
36