PIONEER PDR-509/SDBW
Manual de Servicio

PDR-509

Code

Symptom

Contents of Error
Defects related to the recording laser power

Possible Cause
� Defective laser diode � Trouble in RF detection � Defective RFT RFB circuit � Recording power is not sufficient. � Improper soldering, pattern short � Trouble with power supply � Unable to read ATIP or subcode � Defective laser diode � Defective focus drive circuits � Defective pickup � Improper soldering � Pattern short � Trouble of power supply If any hardware trouble occurs before displaying A� or d�, the unit stops displaying a code other than these codes. Therefore, these service codes are generated only for troubles with the disc.

Checkpoints
IC201 (PA9007A) IC101 (AK8563) IC363 (TC7S04F) IC364 (TC7S14F)

C�

The unit stops before it enters REC/PAUSE mode.

� Dirty or cracked disc � The optimum recording power cannot be obtained. � Trouble in RF detection. Defective pickup � Unable to focus because of dirt or

F�

The unit stops during playback or recording.

crack on the inserted disc. � Unable to output the proper laser power

IC451 (M56788FP) IC401 (CXD2585Q)

A�

The unit stops in a recording-related operation, displaying "CHECK DISC."

� Unable to focus Stop during recording � The unit stops, being obstructed by a dirt or a crack on the disc.

d�

The unit stops in a recording related operation, displaying "CHECK DISC." The unit does not read the inserted disc, and stops.

The indication for * shows themechanism mode listed below. No.
0 1 2 3 4

Mechanism Mode
PLAY OPEN STOP � �

No.
5 6 7 8 9

Mechanism Mode
SETUP TOC READ � SEARCH REC/PAUSE

No.
A B C D E REC

Mechanism Mode
TOC REC OPC TOC CHECK PMA, ACTUAL PAUSE REC

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