3-8
D
Proper signals on A, B, C,
D of MT1389D
Focus ON OK?
Track On OK?
Disc is play ?
E
NO
NO
NO
YES
YES
YES
YES
YES
Check connections between
MT1389D and pick-up head.
NO
Check FEO signal on
MT1389D
YES
Check the FOSO connec-
tion on MT1389D and
motor driver.
NO
Check FOSO signal on
MT1389D
YES
YES
Check the TRSO
connection on MT1389D
and motor dirver.
NO
Check the tracking control
amp circuit on motor driver.
NO
Normal TEO Signal on
MT1389D?
NO
Check the related
circuit on MT1389D
Properly TRSO signal on
MT1389D?
T+ & T- output properly?
Check cable connection on
pick-up head.
Check RFO & RFLVL signal
waveform.
Содержание DV140
Страница 25: ...3 15 FIG 7 2 DVD FIG 7 3 CD F F FE FE RFL RFL...
Страница 26: ...3 16 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD FE FOSO F F F FE RFL...
Страница 28: ...3 18 10 TRACKING CONTROL RELATED SIGNAL System checking FIG 10 1 DVD FIG 10 2 CD TE TRSO T T TE TRSO T T...
Страница 30: ...3 20 2 COMPOSITE VIDEO SIGNAL FIG 13 2 13 AUDIO OUTPUT FROM AUDIO DAC FIG 13 1...
Страница 37: ...3 28 3 29 2 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 38: ...3 30 3 31 A B C D E F G H I J K L M N O P Q R S T 3 SYSTEM CIRCUIT DIAGRAM...
Страница 39: ...3 32 3 33 4 DRIVER CIRCUIT DIAGRAM CD DVD LD will not on A B C D E F G H I J K L M N O P Q R S T...
Страница 40: ...3 34 3 35 5 TIMER CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 42: ...3 38 3 39 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Страница 44: ...3 42 3 43 4 SMPS P C BOARD 360mm ONLY LOCATION GUIDE 430mm ONLY...
Страница 45: ......
