27
TROUBLESHOOTING
Is+5V obtained at IC220 #9, #35,
#44?
Is+3.3V obtained at IC200
VDD_3.3?
Is+2.5V obtained at the IC220
VDD_2.5?
Check power circuit.
YES
YES
YES
NO
Is there L at IC220 #10?
YES
YES
Check IC601 and Data ports.
NO
Is there normal 16MHz oscillation
signal at IC220 #20, #21?
Check X220 and replace
inferior device.
NO
Are there clocks at IC200
#10(LRCLK), #11(BCLK), #20(MCLK)
and PCM Datum at IC200 #6(PCMO),
#7(PCM1), #8(PCM2), #9(PCM3)?
YES
The volume is not operating
Check DVD Board
YES
Check IC220 and replace inferior
device.
NO
Содержание DCR-9130 SERIES
Страница 36: ...35 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM VCR DVD COMBO RECEIVER PAL...
Страница 37: ...36 CIRCUIT DIAGRAM 2 SERVO SYSCON CIRCUIT DIAGRAM COMBO RECEIVER PAL...
Страница 38: ...37 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM...
Страница 39: ...38 4 HiFi SW INPUT CIRCUIT DIAGRAM CIRCUIT DIAGRAM...
Страница 40: ...39 CIRCUIT DIAGRAM 5 Hi Fi PI F SCHEMATIC DIAGRAM COMBO RECEIVER PAL...
Страница 41: ...40 CIRCUIT DIAGRAM 6 DIGITAL AUDIO VIDEO SCHEMATIC DIAGRAM COMBO RECEIVER PAL...
Страница 42: ...41 CIRCUIT DIAGRAM 7 RECEIVER FRONT PART SCHEMATIC DIAGRAM...
Страница 43: ...42 CIRCUIT DIAGRAM 8 DIGITAL AMP SCHEMATIC DIAGRAM PAL...
Страница 44: ...43 PCB CIRCUIT BOARD 1 1 LOGIC PCB CIRCUIT BOARD...
Страница 45: ...44 PCB CIRCUIT BOARD 1 2 AMP PCB CIRCUIT BOARD...
Страница 46: ...45 PCB CIRCUIT BOARD 1 3 MAIN PCB CIRCUIT BOARD...
Страница 47: ...46 PCB CIRCUIT BOARD 1 4 POWER PCB CIRCUIT BOARD...
Страница 49: ...48 INSTRUMENT DISASSEMBLY Fig 4 LOGIC PCB Removal Fig 3 Panel Front Removal...
Страница 50: ...49 INSTRUMENT DISASSEMBLY Fig 5 DECK LOADER POWER BOARD Removal...
Страница 51: ...50 INSTRUMENT DISASSEMBLY Fig 6 Main Board Removal...
Страница 52: ...51 INSTRUMENT DISASSEMBLY Fig 7 Chassis Main Removal...
Страница 53: ...52 INSTRUMENT DISASSEMBLY...
Страница 66: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...