3-7
PFM-42X1/42X1N
NO SOUND OUTPUT
Check Connector
Main Board:CN12, CN14
Video Board:CN103
Option Board:CN206
Check
Audio Process
IC301(TA1343N)
Check
Audio Amp.
IC351
(TPA3002D2)
n
Pass
Pass
Pass
Pass
Check
Audio Input Select
IC41 (CXA2069)
Check Connector
Sound Board:CN301
Pin#1,3
Fail
Fail
Sound B,d Check
Pass
Replace
the Audio board
Replace
the Main board
Replace
the Audio board
n
Sound output device (IC351) has over lod protection circuit.
If speaker terminal is shorted in a moment.
Sound function is stopped until the power switch off and on.
3-3. Sound Troubleshooting
Содержание BKM-V12
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Страница 48: ...4 6 PFM 42X1 42X1N Panel 205 207 203 204 208 210 206 209 201 202 211 211 UPPER SIDE ...
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Страница 56: ...Printed in Japan Sony Corporation 2004 8 16 B P Company 2004 PFM 42X1 SY PFM 42X1N SY E 9 968 071 01 ...