46
TROUBLESHOOTING
Noise appears on the
playback screen.
Is noise diminished by tracking
adjustment.
Noise band is trembled up and
down?
Re-adjust PATH.
Is the height of CTL HEAD normal?
No dust?
Is there problem in CTL Input
circuit and amplifier.
YES
NO
NO
NO
Is there CTL pulse at IC601
pin#97?
Check IC601.
Noise appears on the screen even
though changing tape.
Re-adjust the height of AC HEAD.
Remove the dust.
Check C651, C652, R651~R653
IC601 pin #91, 92, 98.
NO
Re-adjust PATH.
B-1. Bad playback quality (1)
YES
YES
YES
YES
Noise appears on the Full
playback screen.
Are SW pulse and HA SW normal?
Recheck step B-1
(Bad playback quallty (1)).
Check HEAD AMP connector
and HEAD.
YES
YES
NO
NO
ENVE Wave at PT01 pin #4?
Check VIDEO circuit.
Are there SW, HA SW pulse at
IC601 pin #16, 18?
Check PCB Pattern.
Check IC601.
B-2. Bad playback quality (2)
YES
NO
YES
DF-K34D2A-JS svc 2006.5.11 3:56 PM ˘
` 46 mac001 1200DPI 80LPI
Содержание DF-K34D2A-JS
Страница 3: ...2 SPECIFICATIONS DF K34D2A JS svc 2006 5 11 9 26 AM 2 mac001 1200DPI 80LPI...
Страница 4: ...3 SPECIFICATIONS DF K34D2A JS svc 2006 5 11 9 26 AM 3 mac001 1200DPI 80LPI...
Страница 5: ...4 SPECIFICATIONS DF K34D2A JS svc 2006 5 11 9 26 AM 4 mac001 1200DPI 80LPI...
Страница 6: ...5 SPECIFICATIONS DF K34D2A JS svc 2006 5 11 9 26 AM 5 mac001 1200DPI 80LPI...
Страница 7: ...6 SPECIFICATIONS DF K34D2A JS svc 2006 5 11 9 26 AM 6 mac001 1200DPI 80LPI...
Страница 10: ...9 BLOCK DIAGRAM POWER SUPPLY BLOCK DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM E mac001 1200DPI 80LPI...
Страница 11: ...10 BLOCK DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM G mac001 1200DPI 80LPI...
Страница 12: ...11 BLOCK DIAGRAM VIDEO BLOCK DIAGRAM X301 3 579545MHz DF K34D2A JS svc 2006 5 11 3 57 PM I mac001 1200DPI 80LPI...
Страница 13: ...12 BLOCK DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM K mac001 1200DPI 80LPI...
Страница 17: ...16 BLOCK DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM S mac001 1200DPI 80LPI...
Страница 18: ...17 SCHEMATIC DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM U mac001 1200DPI 80LPI...
Страница 19: ...18 SCHEMATIC DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM W mac001 1200DPI 80LPI...
Страница 20: ...19 SCHEMATIC DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM Y mac001 1200DPI 80LPI...
Страница 21: ...20 SCHEMATIC DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM AA mac001 1200DPI 80LPI...
Страница 22: ...21 SCHEMATIC DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM AC mac001 1200DPI 80LPI...
Страница 23: ...22 SCHEMATIC DIAGRAM DF K34D2A JS svc 2006 5 11 3 57 PM AE mac001 1200DPI 80LPI...
Страница 37: ...36 WAVEFORMS DF K34D2A JS svc 2006 5 11 3 56 PM 36 mac001 1200DPI 80LPI...
Страница 40: ...39 WAVEFORMS DF K34D2A JS svc 2006 5 11 3 56 PM 39 mac001 1200DPI 80LPI...
Страница 56: ...55 DF K34D2A JS svc 2006 5 11 3 56 PM 55 mac001 1200DPI 80LPI...
Страница 63: ...62 PCB CIRCUIT BOARD DF K34D2A JS svc 2006 5 11 3 56 PM 62 mac001 1200DPI 80LPI...
Страница 64: ...63 PCB CIRCUIT BOARD DF K34D2A JS svc 2006 5 11 3 56 PM 63 mac001 1200DPI 80LPI...
Страница 65: ...64 PCB CIRCUIT BOARD Mpeg SYSTEM parts DF K34D2A JS svc 2006 5 11 3 56 PM 64 mac001 1200DPI 80LPI...
Страница 66: ...65 PCB CIRCUIT BOARD Mpeg Video parts DF K34D2A JS svc 2006 5 11 3 56 PM 65 mac001 1200DPI 80LPI...
Страница 67: ...66 PCB CIRCUIT BOARD Mpeg Audio parts DF K34D2A JS svc 2006 5 11 3 56 PM 66 mac001 1200DPI 80LPI...
Страница 68: ...67 PCB CIRCUIT BOARD Mpeg Frontend parts DF K34D2A JS svc 2006 5 11 3 56 PM 67 mac001 1200DPI 80LPI...
Страница 96: ...95 ELECTRICAL PARTSLIST DF K34D2A JS svc 2006 5 11 3 56 PM 95 mac001 1200DPI 80LPI...