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3-4
1-4. No 3.8V
No 3.8V
YES
Is the D123
normal?
Check or Replace the D123
YES
NO
Power line of Main
PCB is short
1-2. No 5.0V_D
No 5.0V_TNo 9V
YES
Is the
Vcc(5.3V) supplied to
Q165 Emittor?
Check or Replace the D125
YES
NO
Is the
Q162 Base “H”?
Check the PWR CTL
“H” signal from µ-com
YES
NO
Check or Replace
the Q165
1-3. No 5.0V_T
No 5.0V_T
YES
Is the
Vcc(5.3V) supplied to
Q163 Emittor?
Check or Replace the D125
YES
NO
Is the
Q162 Base “H”?
Check the PWR CTL
“H” signal from µ-com
YES
NO
Check or Replace the Q163
VCR ELECTRICAL TROUBLESHOOTING GUIDE
Содержание DVP3350V/01
Страница 17: ...2 8 MEMO ...
Страница 45: ...3 37 3 38 5 TUNER CIRCUIT DIAGRAM ...
Страница 51: ...3 49 3 50 IC301_LA71750EM IC501_MN101D10X IC801_TDA9605H IC751_MSP3417 3407 ...
Страница 52: ...3 51 3 52 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP SIDE ...
Страница 53: ...3 53 3 54 2 MAIN P C BOARD BOTTOM SIDE ...
Страница 54: ...3 55 3 56 3 POWER P C BOARD ...
Страница 55: ...3 57 3 58 4 KEY P C BOARD ...
Страница 66: ...3 69 3 2 Tray open waveform FIG 3 2 FIG 3 3 3 3 Tray close waveform OPEN CLOSE LM LM OPEN CLOSE LM LM ...
Страница 69: ...3 72 FIG 7 2 CD FIG 8 1 DVD 8 SPINDLE CONTROL WAVEFORM NO DISC CONDITION FE FOCUS FACT FACT SPINDLE_S SP SP ...
Страница 71: ...3 74 10 RF WAVEFORM FIG 10 1 FIG 11 1 11 ZR36966 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF RFO SPDIF ...
Страница 73: ...3 76 12 3 C FIG 12 3 FIG 13 1 13 AUDIO OUTPUT FROM AUDIO PREAMP 13 1 AUDIO L R JK702 Pin8 JK702 Pins4 5 ...
Страница 77: ...3 80 MEMO ...
Страница 78: ...3 81 3 82 CIRCUIT DIAGRAMS 1 MPEG CIRCUIT DIAGRAM ...
Страница 79: ...3 83 3 84 2 SERVO CIRCUIT DIAGRAM ...
Страница 80: ...3 85 3 86 3 JACK CIRCUIT DIAGRAM ...
Страница 113: ...4 32 MEMO ...
Страница 119: ...5 6 MEMO ...
Страница 121: ...5 9 5 10 MEMO MEMO ...