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3-6
No Motor_Vcc
Check or Replace
the D124
Is the Vcc(14V)
supplied to C134?
Check or Replace
the Cap / Drum
NO
YES
YES
(6) No Motor_Vcc (To Cap, Drum Motor )
No 8V
Check or Replace
the D126.
Is there about 13V
at the IC141 Pin 1?
Is there about 3.3V~5V
at the IC141 Pin 4?
NO
Check the PWR CTL
“H” signal from µ-com.
NO
YES
YES
Check the IC141
and Replace
YES
(8) No 8V (To DVD )
No REG 12V
Is the Vcc(14V) supplied
to Q165 Collector?
YES
Is the Vcc(14V) sup-
plied to Q165 Base?
YES
Check or Replace
the Q165
YES
(7) No REG 12V
Check or Replace
the D124
NO
NO
Check the PWR CTL
“H” signal from µ-com
Содержание V9120QW1M
Страница 37: ...3 32 3 33 2 TU IF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T EE MODE VIDEO TU MODE AUDIO ...
Страница 40: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T SCART OPTION ...
Страница 45: ...3 48 3 49 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE ...
Страница 46: ...3 50 3 51 2 MAIN P C BOARD BOTTOM SIDE LOCATION GUIDE ...
Страница 47: ...3 52 3 53 3 POWER P C BOARD LOCATION GUIDE ...
Страница 48: ...3 54 3 55 5 TIMER P C BOARD 4 KEY P C BOARD ...
Страница 61: ...3 68 F FE RFL FIG 7 2 DVD F FE RFL FIG 7 3 CD ...
Страница 62: ...3 69 F FE RFL FIG 7 4 CD 8 FOCUS ON WAVEFORM FE FOSO F F FIG 8 1 DVD ...
Страница 64: ...3 71 10 TRACKING CONTROL RELATED SIGNAL System checking TE TRSO T T FIG 10 1 DVD TE TRSO T T FIG 10 2 CD ...
Страница 65: ...3 72 11 MT1389 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF FIG 11 1 12 MT1389 VIDEO OUTPUT WAVEFORM 1 100 FIG 12 1 ...
Страница 66: ...3 73 13 MT1389 AUDIO OUTPUT TO AUDIO DAC 2 COMPOSITE VIDEO SIGNAL FIG 12 2 FIG 13 1 ...
Страница 67: ...3 74 FIG 14 1 14 AUDIO OUTPUT FROM AUDIO DAC ...
Страница 72: ......
Страница 73: ...3 79 3 80 A B C D E F G H I J K L M N O P Q R S T CIRCUIT DIAGRAMS 1 SYSTEM CIRCUIT DIAGRAM ...
Страница 74: ...3 81 3 82 2 RF DSP SERVO CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 75: ...3 83 3 84 3 AV JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 108: ......
Страница 114: ......
Страница 116: ......