32
TROUBLESHOOTING
No Analog Audio output
Is Digital Data transmitted from CPU and
Flash?
YES
NO
NO
NO
YES
YES
Is Digital Audio Data transmitted to MPEG
Decoder IC pin #130-141?
Is there Audio signal from P481 pin
#2-16?
Check Analog B/D
Check Flash Memory and CPU
IC
Check MPEG Decoder IC
Check FFC CABLE connected
to P481
5. MPEG B/D
No LOGO display
Is Power supplied?
YES
NO
NO
NO
YES
YES
Does Oscillation Device oscillate?
Is Digital Data transmitted from CPU
and Flash?
Check SDRAM IC
After checking Power_On_L Signal at
P505 pin#8, check CPU IC
Check OS500,OS401
Check Flash Memory and CPU IC
NO
YES
Is Digital Data transmitted to SDRAM
from MPEG Decoder IC?
Check MPEG Decoder IC
Содержание DQD-2100D
Страница 5: ...4 CIRCUIT DIAGRAM POWER SUPPLY SCHEMATIC DIAGRAM DQD 6100 220V ...
Страница 6: ...5 CIRCUIT DIAGRAM VIDEO ...
Страница 7: ...6 CIRCUIT DIAGRAM AUDIO ...
Страница 8: ...7 CIRCUIT DIAGRAM VFD JOG ...
Страница 9: ...8 CIRCUIT DIAGRAM ETC ...
Страница 10: ...9 CIRCUIT DIAGRAM VCR_INT DVD ...
Страница 11: ...10 CIRCUIT DIAGRAM ATAPI DVD ...
Страница 12: ...11 CIRCUIT DIAGRAM CPU ZR36703 DVD ...
Страница 13: ...12 CIRCUIT DIAGRAM MPEG DECODER ...
Страница 46: ...45 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW ...
Страница 47: ...46 JOG COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW M P E G ...
Страница 48: ...47 DISASSEMBLY ...
Страница 49: ...48 DISASSEMBLY ...
Страница 50: ...49 DISASSEMBLY ...
Страница 51: ...50 DISASSEMBLY ...