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12
OK
Replace IC8403.
Cause: Audio DAC Problem
Check voltage at TP8022 on the
DVD Decoder C.B.A.
Is it +5.0V ?
Check signal at TP8416 on the
DVD Decoder C.B.A.
(27 MHz clock)
NG
Check Power line.
OK
Check X8501.
NG
Replace X8501.
NG
Replace IC8502.
OK
(BUFFER)
(AUDIO D/A CONVERTER)
Cause: EEPROM Problem
Check voltage at TP8051 on the
DVD Decoder C.B.A.
Is it +5.0V ?
Check Power line.
NG
OK
Replace IC8001.
Cause: Flash ROM Problem
Check voltage at TP8301 on the
DVD Decoder C.B.A.
Is it +3.6V ?
NG
Check Power line.
OK
Replace IC8301.
(EEPROM)
(FLASH MEMORY)
1 V
20 ns
V1 3.1 Vp-p
1 V
20 ns
V1 2.2 Vp-p
1 V
20 ns
V1 3.1 Vp-p
TP8006
TP8207
TP8416
PV-DM2092/PV-DM2092-K
TROUBLESHOOTING HINTS
Содержание OmniVision PV-DM2092-K
Страница 1: ...ORDER NO MKE0207607C1 B22 TV DVD VCR Combination PV DM2092 PV DM2092 K SPECIFICATIONS 1 ...
Страница 10: ...Fig 1 4 Fig 1 5 10 ...
Страница 27: ...CAUTION Disconnect AC plug before disassembly Fig D1 Fig D2 27 ...
Страница 28: ...Fig D3 28 ...
Страница 29: ...6 1 1 1 Notes in chart 1 Removal of VCR DVD Ass y Fig D4 29 ...
Страница 33: ...6 2 3 EJECT Position Confirmation Fig J1 2 33 ...
Страница 34: ...6 2 4 Full Erase Head and Cylinder Unit Fig J2 34 ...
Страница 76: ...76 ...
Страница 79: ...11 2 MECHANISM BOTTOM SECTION 79 ...
Страница 80: ...11 3 CASSETTE UP COMPARTMENT SECTION 80 ...
Страница 81: ...11 4 CHASSIS FRAME SECTION 1 81 ...
Страница 82: ...11 5 CHASSIS FRAME SECTION 2 82 ...
Страница 83: ...11 6 CHASSIS FRAME SECTION 3 83 ...
Страница 84: ...11 7 PACKING PARTS AND ACCESSORIES SECTION 84 ...