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Troubleshooting – Philips CF-30FTSAZAM User Manual

Page 12

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4.2. Troubleshooting

Please take note of the following two points with regard to troubleshooting:

1. Know-how of diagnosis upon occurrence of heavy troubles, e.g. Set cannot be turned ON, Set fails to start , No display on

screen , etc.

2. Explanation of each trouble, mainly symptom of trouble in operation.

Flow Chart

NG

NO

YES

NG

NO

YES

NG

OK

OK

NO

YES

NG

OK

NG

OK

NO

YES

OK

OK

NG

START

START

Pay attention to the following points when in pursuit of the cause of a troubleshooting.
1. Peripheral apparatus connected with the set should all be removed before operation check.
2. Make sure that cables, boards, etc. are not coming off, and recheck the contact condition.

Set cannot be supplied with current.
Power lamp fails to light up.

AC

Adaptor/Battery

Output voltage

Replace AC Adaptor/Battery

Return set-up utility setpoint to the state of delivery from factory .

Make sure of contact of K/B connector in use.
Replace keyboard or main board.

Replace main board.

Reinstall HDD.
Replace main board.

Power lamp

check

Check contact condition of power input terminal. Replace if
defective.
Check Power SW. Replace if defective.

Inverter board

Replace inverter board.
Check inverter cable continuity. Replace if defective

Replace LCD back light.

BIOS operation

check

Replace main board (Check fuse at power source).

LCD unit

check

Replace LCD unit.

Result of

POST

Refer to POST
error code table.

Replace main board.

Main board

check

Replace main board

HDD access

Check HDD cable connection and continuity.
Replace if defective.
Replace HDD & Reinstall.
Replace main board.

Set-up utility

starting

Replace main board.

Trouble

symptoms on some

of CD

START

END

Dark display on screen.
Screen fails to display.

Failure in starting

Not displayed properly on screen.

Some or all keys cannot be input.

CD CALL not practicable.

Starts but operates unstably.

Heavy trouble e.g.,

Set cannot be turned

ON, Set fails to start ,

No display on

screen , etc.

Each kind of
trouble in
operation.

LCD back

light lighting

NO

YES

Check if there are any flaws on CD media. Since
flaws may appear on specific media, CD media
can be defective.

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