- 18 -
2. NO SOUND (PICTURE OK)
Waveform of AV Board IC701
#47,48,50,51,53,54,56,57
at each Mode ?
NO
Check JA202 Jack
Waveform of AV Board
IC701 #27,#28,#25 ?
YES
Waveform of
MAIN1 Q022(E)
( SIF ) ?
Check
TU101
Waveform of
AV Board IC701
#67 ?
Check
around
Q706
Check around IC701
Check around AV Board
Q703,704,705
Waveform of MAIN1
IC601 #2,#4 IC602 #4 ?
Waveform of MAIN1
IC601 #7,#11 IC602 #7 ?
Check around
IC601,602
Check AV Board JA501,
Main1 P602 Connector
YES
YES
YES
YES
YES
NO
NO
<AV1,2,3,SCART INPUT>
< RF >
NO
NO
NO
Summary of Contents for PT-43
Page 28: ... 28 PRINTED CIRCUIT BOARD SIGNAL ...
Page 30: ... 30 MAIN2 DEF ...
Page 32: ... 32 SMPS POWER SWITCH PRE AMP ...
Page 33: ... 33 CPT CONV OUT ...
Page 34: ... 34 PIP SIDE AV CONTROL ...
Page 35: ... 35 VM TOP VM BOTTOM ...
Page 36: ... 36 LG CONVERGENCE TOP LG CONVERGENCE BOTTOM ...
Page 37: ... 37 SGS THOMSON CONVERGENCE TOP SGS THOMSON CONVERGENCE BOTTOM ...
Page 38: ... 38 AV TOP AV BOTTOM ...
Page 66: ...P NO 3854VA80A MAIN1 VFD PIP DATE 2000 11 30 ...
Page 67: ...P NO 3854VA80B SMPS DEF CPT VM DATE 2000 11 30 ...
Page 68: ......
