23
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 Digital Audio signal
from P481 pin #2-16?
Check VCR Part
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 DV6T811N-LT
Page 27: ...26 WAVEFORMS 15 9 P201 2 2 AUDIO 2 1 AUDIO Mono 2 2 AUDIO HI Fl Q901 collector...
Page 29: ...28 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM 120V ONLY 5...
Page 30: ...29 CIRCUIT DIAGRAM 2 PO W ER SUPPLY SCH EM ATIC DIA G RA M DV D CO M BO FREE 5...
Page 31: ...30 CIRCUIT DIAGRAM 3 VIDEO AUDIO SCHEMATIC DIAGRAM...
Page 32: ...CIRCUIT DIAGRAM 4 SERVO SYSCON SCHEMATIC DIAGRAM 31...
Page 33: ...CIRCUIT DIAGRAM 5 DIGITAL AUDIO SCHEMATIC DIAGRAM 32...
Page 34: ...CIRCUIT DIAGRAM 6 Hi Fi SW CIRCUIT DIAGRAM 33...
Page 35: ...CIRCUIT DIAGRAM 7 INPUT AUTPUT SCHEMATIC DIAGRAM 34...
Page 36: ...CIRCUIT DIAGRAM ATATI 35...
Page 37: ...CIRCUIT DIAGRAM 36...
Page 38: ...CIRCUIT DIAGRAM CPU 37...
Page 39: ...CIRCUIT DIAGRAM DECODER 38...
Page 40: ...39 PCB CIRCUIT BOARD 1 1 VCR MAIN 6...
Page 41: ...PCB CIRCUIT BOARD 1 2 POWER 40...
Page 42: ...PCB CIRCUIT BOARD 1 3 LOGIC 41...
Page 43: ...PCB CIRCUIT BOARD 2 1 DVD MAIN A 42...
