46
TROUBLESHOOTING
3. VIDEO circuit
A. EE screen doesn't appear
EE MODE Picture NG
Is Video signal input into
JK101?
Is 5V supplied at IC102?
Is select signal input
at pin#10, 11 of IC102?
Check JK101, JK701 and RF101.
Check POWER 5V circuit.
Check IC601
pin #30,31.
NO
YES
YES
NO
NO
YES
Is Data, clock signal input
at pin #9, 10 of IC103?(RF)
YES
NO
Check
pin#10, 11 of IC601
Is video signal at
pin#3 of IC102?
YES
NO
Check PCB Pattern.
Is video output signal
at JK101?
YES
NO
Check M-PEG BOARD
Check IC 601
Is signal output from
pin #5 of P201?
Check RF Output.
Check LINE out.
YES
YES
Check PCB Pattern.
NO
Содержание DW-Q73D2N-LS
Страница 1: ...DVD Recorder FEB 2006 DW Q73D2N LS DVR06 DVR07 DVR08 DG R520 DG R521 DWQ73DN001...
Страница 3: ...2 DW Q73D2N LS DVR06 DVR08 DG R520 DG R521 DVR07...
Страница 12: ...11 BLOCK DIAGRAM...
Страница 13: ...12 BLOCK DIAGRAM...
Страница 14: ...13 BLOCK DIAGRAM P201 P201 IC201 A SW NJM4052BM IC101...
Страница 15: ...14 BLOCK DIAGRAM...
Страница 16: ...15 BLOCK DIAGRAM...
Страница 17: ...16 BLOCK DIAGRAM...
Страница 18: ...17 BLOCK DIAGRAM...
Страница 19: ...18 SCHEMATIC DIAGRAM...
Страница 20: ...19 SCHEMATIC DIAGRAM...
Страница 21: ...20 SCHEMATIC DIAGRAM...
Страница 22: ...21 SCHEMATIC DIAGRAM...
Страница 23: ...22 SCHEMATIC DIAGRAM...
Страница 42: ...41 DISASSEMBLY DW Q73D2N LS DVR06 DVR08 DG R520 DG R521...
Страница 43: ...42 disassembly DVR07...
Страница 44: ...43 TROUBLESHOOTING D806 D809 PJ822 is 0 voltage Check Q821 Q827...
Страница 48: ...47 TROUBLESHOOTING...
Страница 50: ...49 TROUBLESHOOTING...
Страница 51: ...50 TROUBLESHOOTING...
Страница 52: ...51 TROUBLESHOOTING...
Страница 53: ...52 TROUBLESHOOTING...
Страница 54: ...53 TROUBLESHOOTING...
Страница 55: ...54 PCB CIRCUIT BOARD Analog Board parts...
Страница 56: ...55 PCB CIRCUIT BOARD Power Board parts...
Страница 57: ...56 PCB CIRCUIT BOARD Front pannel parts DW Q73D2N LS DVR06 DVR08 DG R520 DG R521...
Страница 58: ...57 PCB CIRCUIT BOARD Front pannel parts DVR07...
Страница 59: ...58 PCB CIRCUIT BOARD Mpeg SYSTEM parts...
Страница 60: ...59 PCB CIRCUIT BOARD Mpeg Video parts...
Страница 61: ...60 PCB CIRCUIT BOARD Mpeg Audio parts...
Страница 62: ...61 PCB CIRCUIT BOARD Mpeg Frontend parts...