3-8
D
Proper signals on A, B, C,
D of MT1389E
Focus ON OK?
Track On OK?
Disc is play ?
E
NO
NO
NO
YES
YES
YES
YES
YES
Check connections between
MT1389E and pick-up head.
NO
Check FEO signal on
MT1389E
YES
Check the FOSO
connection on MT1389E
and motor driver.
NO
Check FOSO signal on
MT1389E
YES
YES
Check the TRSO
connection on MT1389E
and motor dirver.
NO
Check the tracking control
amp circuit on motor driver.
NO
Normal TEO Signal on
MT1389E?
NO
Check the related circuit on
MT1389E
Properly TRSO signal on
MT1389E?
T+ & T- output properly?
Check cable connection on
pick-up head.
Check RFO & RFLVL signal
waveform.
Summary of Contents for DK676X
Page 26: ...3 16 FIG 7 2 DVD FIG 7 3 CD F F FE FE RFL RFL ...
Page 27: ...3 17 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD FE FOSO F F F FE RFL ...
Page 31: ...3 21 2 COMPOSITE VIDEO SIGNAL FIG 12 2 13 AUDIO OUTPUT FROM AUDIO MT1389E FIG 13 1 ...
Page 38: ...3 29 3 30 2 SYSTEM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 39: ...3 31 3 32 A B C D E F G H I J K L M N O P Q R S T 3 SERVO CIRCUIT DIAGRAM ...
Page 40: ...3 33 3 34 4 AV JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 41: ...3 35 3 36 5 TIMER CIRCUIT DIAGRAM 3 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 42: ...3 37 3 38 6 TIMER CIRCUIT DIAGRAM 4 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 43: ...3 39 3 40 7 TIMER CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 44: ...3 41 3 42 8 TIMER CIRCUIT DIAGRAM 7 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 45: ...3 43 3 44 9 TIMER CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 48: ...3 49 3 50 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
