3
TROUBLESHOOTING FLOW CHART
B.
NO
NO
Playback picture
is not good.
NO
NO
Check flow A.
YES
YES
YES
YES
Noise appears on the
screen on the whole.
Noise appears on the
screen at the bottom
Change Drum Ass'y
Is Enve. waveform
supplied to pin 4
of PT 01?
Check connector,
and Head dust.
NO
NO
YES
Check pattern
Check video circuit.
Adjust the PG
in SVC mode.
Is SW-pulse applied to
video IC?
Is sw pulse supplied
from pin 18 of IC 601?
Check D.PG input
and connector.
Summary of Contents for DV-T1B
Page 5: ...4 1 FRONT VIEWS FUNCTION DV T8D T5D T 5 DV T87 T57 DV T6A1 DV T8W T5W EXTERNAL VIEWS...
Page 6: ...5 DV T8T T5T DV T5M DV T56 DV T59 T89 EXTERNAL VIEWS...
Page 7: ...6 DV T5B T1B DV T8L T5L DV T8E T5E DV T1T EXTERNAL VIEWS...
Page 15: ...14 1 POWER SUPPLY SCHEMATIC DIAGRAM VCR S A CIRCUIT DIAGRAM...
Page 16: ...15 2 SERVO SYSCON SCHEMATIC DIAGRAM VCR S A CIRCUIT DIAGRAM...
Page 17: ...16 3 VIDEO AUDIO SCHEMATIC DIAGRAM HIFI CIRCUIT DIAGRAM...
Page 18: ...17 4 VIDEO AUDIO SCHEMATIC DIAGRAM MONO CIRCUIT DIAGRAM...
Page 19: ...18 CIRCUIT DIAGRAM 5 TMI MPX SCHEMATIC DIAGRAM HIFI...
Page 20: ...19 CIRCUIT DIAGRAM 6 TMI MPX SCHEMATIC DIAGRAM MONO...
Page 23: ...22 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 PCB MAIN...
Page 27: ...26 DISASSEMBLY 1 PACKING ASS Y...
Page 43: ......
