12
TROUBLESHOOTING
B. Playback picture doesn’t appear
1) No VCR Playback Picture
YES
YES
Is Y SIGNAL output at IC301
pin#46?
Is VIDEO SIGNAL output at IC301
pin#65?
Check and Replace IC301.
PB video signal missing.
Is Envelope output from IC301
pin#79?
NO
NO
Same as EE MODE check.
Is 5V supplied at IC301 pin#91?
Is SW Pulse input at IC301
pin#70?
Is 5V obtained at IC301 pin#24,
42,55,72,91?
Check POWER 5V.
Check IC501 pin#18.
Clean head or Replace head.
Check POWER 5V.
NO
NO
Check PATTERN
NO
YES
YES
YES
YES
YES
YES
NO
Does X301(4.43MHz)
oscillate?
Is Y SIGNAL input at IC301
pin#43?
NO
Check PATTERN
YES
NO
Replace X301.
NO
Check and replace IC301.
DF-5500/DFX-5502 SVC 2006.10.14 10:6 AM ˘
` 12 mac001 1200DPI 80LPI
Содержание DF-5500(S/P)
Страница 1: ...DVDR VCR Combi OCT 2006 DF 5500 S P DF 6500 S P DFX 5502 S P DFX 6502 S P DFX6502001 ...
Страница 5: ...4 TROUBLESHOOTING 2 SYSTEM CIRCUIT DF 5500 DFX 5502 SVC 2006 10 14 10 6 AM 4 mac001 1200DPI 80LPI ...
Страница 7: ...6 TROUBLESHOOTING B Digital Board Mpeg DF 5500 DFX 5502 SVC 2006 10 14 10 6 AM 6 mac001 1200DPI 80LPI ...
Страница 44: ...43 PCB CIRCUIT BOARD 1 MAIN Analog board PCB DF 5500 DFX 5502 SVC 2006 10 14 9 59 AM bi mac001 1200DPI 80LPI ...
Страница 45: ...2 POWER PCB PCB CIRCUIT BOARD 44 DF 5500 DFX 5502 SVC 2006 10 14 9 59 AM bk mac001 1200DPI 80LPI ...
Страница 46: ...45 PCB CIRCUIT BOARD 3 Mpeg Digital board PCB DF 5500 DFX 5502 SVC 2006 10 14 9 59 AM bm mac001 1200DPI 80LPI ...
Страница 47: ...46 INSTRUMENT DISASSEMBLY DF 5500 DFX 5502 SVC 2006 10 14 9 59 AM bo mac001 1200DPI 80LPI ...