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
Summary of Contents for DQD-2100D
Page 5: ...4 CIRCUIT DIAGRAM POWER SUPPLY SCHEMATIC DIAGRAM DQD 6100 220V ...
Page 6: ...5 CIRCUIT DIAGRAM VIDEO ...
Page 7: ...6 CIRCUIT DIAGRAM AUDIO ...
Page 8: ...7 CIRCUIT DIAGRAM VFD JOG ...
Page 9: ...8 CIRCUIT DIAGRAM ETC ...
Page 10: ...9 CIRCUIT DIAGRAM VCR_INT DVD ...
Page 11: ...10 CIRCUIT DIAGRAM ATAPI DVD ...
Page 12: ...11 CIRCUIT DIAGRAM CPU ZR36703 DVD ...
Page 13: ...12 CIRCUIT DIAGRAM MPEG DECODER ...
Page 46: ...45 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW ...
Page 47: ...46 JOG COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW M P E G ...
Page 48: ...47 DISASSEMBLY ...
Page 49: ...48 DISASSEMBLY ...
Page 50: ...49 DISASSEMBLY ...
Page 51: ...50 DISASSEMBLY ...