- 15
Noise appears on the Full
playback screen.
Are SW pulse and HA SW
normal?
ENVE Wave at PT01 pin #4?
Check VIDEO circuit.
Recheck step C-1 (Bad
playback quality (1
)).
Are there SW, HA SW pulse at
IC601 pin #16, 18?
Check HEAD AMP connector
and HEAD.
Check IC601.
Check PCB Pattern.
Is the output at IC601 pin#
71(CLK), 72 (DATA) normal?
Is SIF, video output at
TMI (RF101) pin#13,16 normal?
Is Video Signal input at IC601
pin#50?
Is there Video output at IC601
pin#52?
Check Video Buffer Q101
Check IC 601
.
Check TMI (RF101) Block.
Check IC401
.
Check IC601.
D. No broadcasting signal received
C-2. Bad playback quality (2)
NO
YES
YES
YES
NO
NO
YES
YES
No broadcasting signal
received
YES
YES
YES
YES
NO
NO
NO
NO
Summary of Contents for DVCR101
Page 1: ...DVCR101 DVD VCR PLAYER SERVICE MANUAL...
Page 41: ...40 2 TOP COVER REMOVAL...
Page 42: ...41 3 LOGIC PCB DISASSEMBLY...
Page 43: ...42 4 DECK AND MAIN PARTS DISASSEMBLY...
Page 44: ...43 5 MAIN PCB DISASSEMBLY...
Page 45: ...44 6 MAIN CHASSIS DISASSEMBLY...
Page 46: ...45 7 EXPLODE VIEW CIRCUIT DIAGRAM...
Page 47: ...46...
Page 48: ...47...
Page 49: ...48...
Page 50: ...49...
Page 51: ...50...