Explanation; Error Code (Cd-R); Error Code Table For Service - Pioneer pdr-w739 Service Manual

7.3 EXPLANATION

7.3.1 ERROR CODE (CD-R)

Error Code Display for Service
The PDR-W739 can display the error codes for service.
When the STOP key is held down for about 10 seconds in stop
state in Normal mode, an FL display as shown below is obtained.
Display
∗∗∗∗ ∗∗
5100 indicationsplay

Error code table for service

Code Symptom
The unit stops during the
tray open/close operation.
L∗
(CHECK display)
The unit stops when PLAY
or REC/PAUSE starts.
E∗
(CHECK display)
The unit does not read the
inserted disc, and stops.
P∗
(CHECK DISC display)
The unit stops before it
C∗
enters REC/PAUSE mode.
The unit stops during
F∗
playback or recording.
The unit stops in a
A∗ recording-related operation,
displaying "CHECK DISC."
The unit stops in a recording
related operation, displaying
"CHECK DISC."
d∗
The unit does not read the
inserted disc, and stops.
The indication for * shows themechanism mode listed below.
No. Mechanism Mode
0 PLAY
1 OPEN
2 STOP
−
3
−
4
Error code Number
Contents of Error
Improper loading
Defective slider
• The pickup cannot be returned to the
specified position.
Defect in spindle
• Disc upside-down.
• Dirty or cracked disc
• Abnormal disc rotation
• No signal obtained from the disc
Defects related to the recording laser
power
• Dirty or cracked disc
• The optimum recording power
cannot be obtained.
• Trouble in RF detection.
Defective pickup
• Unable to focus because of dirt or
crack on the inserted disc.
• Unable to output the proper laser
power
• Unable to focus
Stop during recording
• The unit stops, being obstructed by a
dirt or a crack on the disc.
No. Mechanism Mode
5 SETUP
6 TOC READ
−
7
8 SEARCH
9 REC/PAUSE
Right 2 FL digits : Error code for service
The error code for service is displayed as a number (ERROR
NUMBER), which follows a message "CHECK DISC" or
"CHECK." For details, see the table below.
Possible Cause
• Defective tray position sensor
• Defective loading motor
• Improper soldering
• Pattern short
• Improper power supply
• Disconnected flexible cable
• Defective drive circuit
• Abnormal power supply
• Abnormal TOC position switch
• Improper soldering
• Defective spindle motor
• Defective spindle drive circuit
• Abnormal FG signals
• Defective WBL circuit
• Defective decoder circuit
• Unable to read ATIP or subcode
• High error rate
• 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.
No. Mechanism Mode
A REC
B TOC REC
C OPC
D TOC CHECK
E PMA, ACTUAL PAUSE REC
PDR-W739
Checkpoints
IC451 (M56788FP)
S601 (PSG1013)
IC451 (M56788FP)
IC401 (CXD2585Q)
PC651
(NJL5803K-F1)
IC451 (M56788FP)
IC401 (CXD2585Q)
IC201 (PA9007A)
IC101 (AK8563)
IC363 (TC7S04F)
IC364 (TC7S14F)
IC451 (M56788FP)
IC401 (CXD2585Q)
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