Trouble shooting – Sanyo NV-E7000 User Manual

Page 26

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25

NAVI

DVD

MODE?

B

E

VIDEO

A

NO POWER

No

No

No

No

No

No

No

No

No

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Is the Power supply switch(SW110)turned ON?

Then turn the Power supply switch ON.

Confirm 5V at Q572 emitter voltage.

Then check around Q572.

Confirm 5V at pin 1 of IC570.

Then check around IC570,Q570

and Q571.

Confirm 14V

at

D140 cathode side.

Then check around IC140.

Confirm 5.3V

at

DZ111 cathode side.

Then check around IC110.

Confirm 3.6V

at

DZ110 cathode side.

Refer to [NO IMAGE] [NO SOUND]

NO IMAGE

Confirm CS402 is inserted correctly.

Then insert CS402 correctly.

Confirm CS401and CS051 are inserted

correctly.

Then insert CS401and CS051

correctly.

Confirm the signal at pin 9,13 of IC055.

Then check around IC055.

Is the DC 9.0V connected to the

Then connect the DC 9.0V.

Power supply socket(JK110)?

TROUBLE SHOOTING

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