19
TROUBLESHOOTING
18
TROUBLESHOOTING
b. AV1 E-E
No sound in AV1 E-E mode.
NO
Check Input AV1 JACK
Is Audio signal at IC251 pin#6, 7?
Is Audio signal output at IC602 pin
#3, 13?
Is Audio signal output at IC251
pin#16,17?
Are CLK and DATA obtained at
IC251 pin#42,43?
NO
Is 5V obtained at IC251 pin#40?
Replace IC251.
YES
YES
Is 12V obtained at IC251 pin#34?
NO
YES
Check POWER circuit.
YES
YES
Check Output JACK.
YES
c. AV2 E-E
No sound in AV2 E-E mode.
NO
Check Input AV2 JACK
Is Audio signal at IC251 pin#8, 9?
Is Audio signal output at IC602
pin #3, 13?
Is Audio signal output at IC251
pin#19, 20?
Are CLK and DATA obtained at
IC251 pin#42,43?
NO
Is 5V obtained at IC251 pin#40?
Replace IC251.
YES
YES
Is 12V obtained at IC251 pin#34?
NO
YES
Check POWER circuit.
YES
YES
Check Output JACK.
YES
Check IC602.
NO
Check IC602.
NO
Summary of Contents for DF-8100
Page 5: ...7 TROUBLESHOOTING 6 TROUBLESHOOTING B Digital Board...
Page 16: ...28 CIRCUIT DIAGRAM 1 SERVO SYSCON SCHEMATIC DIAGRAM DVDR VCR...
Page 17: ...29 CIRCUIT DIAGRAM 2 AV IC SCHEMATIC DIAGRAM DVDR VCR...
Page 18: ...30 CIRCUIT DIAGRAM 3 Hi Fi SW IN OUT CIRCUIT SCHEMATIC DIAGRAM DVDR VCR...
Page 19: ...31 4 ADC DAC VIDEO AMP CIRCUIT DIAGRAM...
Page 20: ...32 CIRCUIT DIAGRAM 5 PIF CIRCUIT DIAGRAM...
Page 21: ...33 CIRCUIT DIAGRAM 6 FRONT PART SCHEMATIC DIAGRAM...
Page 22: ...34 CIRCUIT DIAGRAM 7 POWER SUPPLY SCHEMATIC DIAGRAM...
Page 23: ...35 CIRCUIT DIAGRAM 8 8602 CODEC...
Page 24: ...36 CIRCUIT DIAGRAM 9 TERMINATION...
Page 25: ...37 CIRCUIT DIAGRAM 10 DDR SDRAM...
Page 26: ...38 CIRCUIT DIAGRAM 11 RST AV ELINK CONNECTOR...
Page 27: ...39 CIRCUIT DIAGRAM 12 FLASH ATAPI...
Page 28: ...40 CIRCUIT SCHEMATICS 13 1394 PHY...
Page 29: ...41 CIRCUIT SCHEMATICS 14 POWER CONNECTOR...
Page 30: ...42 CIRCUIT SCHEMATICS 15 VIDEO DECORDER SAA7115...
Page 31: ...43 PCB CIRCUIT BOARD 1 MAIN PCB...
Page 32: ...44 PCB CIRCUIT BOARD 2 FRONT PANEL PCB...
Page 33: ...45 PCB CIRCUIT BOARD 4 MPEG PCB 3 POWER PCB...
Page 34: ...47 INSTRUMENT DISASSEMBLY 46 INSTRUMENT DISASSEMBLY...
Page 43: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...