5. Trouble Shooting Guide
11
Push power on.
Check Power down line.
Check if IC750
Pin24 is High ?
Replace IC750
No
Yes
Check if IC750
Pin25 is High ?
Yes
Check Protection Circuit.
No
Replace XC750.
Check Oscillator
of XC750.
Check DVD Reset control.
Check if IC400
Pin3 is work?
Yes
No
No
Yes
Check if Connector
CN703 are work?
Check from Micom
to DVD interface.
No
Refer to Power
Supply Circuit.
Check power
supply circuit of
regulator PCB.
Check loader.
Check Loader PCB.
No
Yes
Check Power.
Yes
Check Power Supply Circuit.
No
Yes
Does DVD appear
at VFD ?
Does loading appear
at VFD ?
Check if DVD an Audio
Micom interface is OK.
Yes
No
Yes
Does no DISC or
time appear at VFD ?
Yes
No
Check Loader PCB.
Check connector
CW620, CN907
if it normaly?
Yes
No
No
Recheck It.
Insert AC Power Cord.
Basic Operating
Mi-Com Circuit
5. Trouble Shooting Guide
Check Loader Power
Supply circuit.
Check Connection CN620,
CW713, CW610, CN907.
Does initial read work
Check Loader circuit.
Check Loader Pickup.
Does it paly?
OK
Yes
No
No
Yes
Does it output audio?
Yes
Check AUDIO circuit.
No
Check POWER
SUPPLY circuit(PT900,IC901)
Check connection
CN700, CW712, CW902
Is STANDBY LED on?
No
Yes
Is POWER on?
Check power supply circuit.
Check Mi-Com IC(IC750)
No
Yes
Turn Power on.
Insert AC Power Cord.
10
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Содержание DHC-X100N
Страница 12: ...8 Internal Block Diagram of ICs 22 AK5381 All manuals and user guides at all guides com...
Страница 13: ...9 Block Diagram 23 All manuals and user guides at all guides com...
Страница 14: ...10 Wiring Diagram 24 All manuals and user guides at all guides com...
Страница 15: ...11 Schematic Diagram FRONT 25 All manuals and user guides at all guides com...
Страница 16: ...11 Schematic Diagram Mi COM 26 All manuals and user guides at all guides com a l l g u i d e s c o m...
Страница 17: ...11 Schematic Diagram INPUT VIDEO 27 All manuals and user guides at all guides com...
Страница 18: ...11 Schematic Diagram AMP 28 All manuals and user guides at all guides com...
Страница 19: ...11 Schematic Diagram POWER 29 All manuals and user guides at all guides com...
Страница 21: ...12 Printed Circuit Diagram Bottom View 31 All manuals and user guides at all guides com a l l g u i d e s c o m...
Страница 22: ...12 Printed Circuit Diagram 32 Bottom View Top View IN OUT All manuals and user guides at all guides com...
Страница 24: ...14 Exploded View and Mechanical Parts List DHC X100N Only 34 All manuals and user guides at all guides com...
Страница 25: ...14 Exploded View and Mechanical Parts List 35 All manuals and user guides at all guides com...
Страница 27: ...14 Exploded View and Mechanical Parts List 37 All manuals and user guides at all guides com...
