8
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.
C-1. Bad playback quality (1)
YES
YES
YES
YES
Summary of Contents for SD-8100
Page 1: ...SERVICE MANUAL SD 8100...
Page 27: ...27 WAVEFORMS 15 9 P201 2 2 AUDIO 2 1 AUDIO Mono...
Page 29: ...29 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM PAL DVD COMBO FREE...
Page 30: ...30 CIRCUIT DIAGRAM 2 AV CIRCUIT DIAGRAM...
Page 31: ...31 3 SERVO SYSCON SCHEMATIC DIAGRAM CIRCUIT DIAGRAM...
Page 32: ...32 4 DIGITAL AUDIO SCHEMATIC DIAGRAM CIRCUIT DIAGRAM...
Page 33: ...33 5 HI FI SW CIRCUIT DIAGRAM CIRCUIT DIAGRAM...
Page 34: ...34 CIRCUIT DIAGRAM 6 IF MPX PDC INPUT OUTPUT SCHEMATIC DIAGRAM...
Page 35: ...35 CIRCUIT DIAGRAM ATATI...
Page 36: ...36 CIRCUIT DIAGRAM VCR INT...
Page 37: ...37 CIRCUIT DIAGRAM CPU...
Page 38: ...38 CIRCUIT DIAGRAM DECODER...
Page 39: ...39 PCB CIRCUIT BOARD 1 1 VCR MAIN...
Page 40: ...40 PCB CIRCUIT BOARD 1 2 POWER...
Page 41: ...41 PCB CIRCUIT BOARD 1 3 LOGIC...
Page 42: ...42 PCB CIRCUIT BOARD 2 1 DVD MAIN A...
Page 43: ...43 PCB CIRCUIT BOARD 2 2 DVD MAIN B...
Page 45: ...45 INSTRUMENT DISASSEMBLY FIG 3 C PANEL FRONT DISASSEMBLY...
Page 46: ...46 INSTRUMENT DISASSEMBLY FIG 4 D LOGIC PCB DISASSEMBLY...
Page 47: ...47 INSTRUMENT DISASSEMBLY FIG 5 E DECK AND MAIN PARTS DISASSEMBLY...
Page 48: ...48 INSTRUMENT DISASSEMBLY FIG 6 F MAIN PCB DISASSEMBLY...
Page 49: ...49 INSTRUMENT DISASSEMBLY FIG 7 G MAIN CHASSIS DISASSEMBLY...
