Philips CEM2000/00, Service Manual

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6 AUX defective
5
4
NO.
d.To check the servo board connectors of CN702 and the main board connectors of CN9, whether the socket of it is
loose.
e.To check the servo board connectors of CON707 and the SD/MMC board connectors whether the socket of it is
loose.
failure
phenomena
failure cause remark
CD defective
a. To check whether the signal format of the disc is correspond to the request of the unit, whether there is any
contamination or damage or light leakage on the surface of the disc.
b. To check whether there is any abnormal of the rotation of the deck mechanism, or whether the disc is enter in
position.
c. To check whether it is normal when reading USB?
d. To check whether the 17 P FFC of laser pick up is inserted in place, whether the socket of it is loose.
e. To check whether there is any contamination or foreign body on the surface of the laser pick up.
f. To check the servo board connector of CN702 and main board connector of CN9, whether the socket of it is loose.
j. To check the switch SW702 on the servo board.
h. To check the rotation mechanism of CD deck mechanism.
i. To check whether the rotation belt of deck mechanism is dislocation or loose.
USB/SD
defective
a. To check whether the USB/SD signal format is correspond to the request of the unit.
b. To check the voltage of the the uppermost pin of the USB connector, should be +5V.
c. To check whether there is any wearing and scratch of the shrapnel and pin of the panel USB.
f. To check whether there is any contamination and bad contact on the male/female connector of the panel and main
board. If necessary, can exchange the panel to test whether the defective is occurred by the unit or panel.
a. To check the SOURCE should be in MP3-LINK mode.
b. To check the AUX IN input signal.
c. To check whether there is any contamination and bad contact on the male/female connector of the panel and main
board. If necessary, can exchange the panel to test whether the defective is occurred by the unit or panel.
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