77
PDR-W839
7.1 DIAGNOSIS
7. GENERAL INFORMATION
7.1.1 ERROR CODE (CD-R)
Error Code Display for Service
The PDR-W839 can display the error codes for service.
When the DISPLAY key of the CD-R side and ERASE key is
held down simultaneously, an FL display as shown below is
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.
Display
Error code table for service
Error code Number(2 digits)
999999
∗∗
Code
Symptom
Contents of Error
Possible Cause
Checkpoints
L
∗
The unit stops during the
tray open/close operation.
(CHECK display)
Improper loading
• Defective tray position sensor
• Defective loading motor
• Improper soldering
• Pattern short
• Improper power supply
IC451 (BA5810FP)
E
∗
The unit stops when PLAY
or REC/PAUSE starts.
(CHECK display)
Defective slider
• The pickup cannot be returned to the
specified position.
• Disconnected flexible cable
• Defective drive circuit
• Abnormal power supply
• Abnormal TOC position switch
• Improper soldering
S601 (PSG1014)
IC451 (BA5810FP)
IC401 (CXD2585Q)
P
∗
The unit does not read the
inserted disc, and stops.
(CHECK DISC display)
Defect in spindle
• Disc upside-down.
• Dirty or cracked disc
• Abnormal disc rotation
• No signal obtained from the disc
C
∗
The unit stops before it
enters REC/PAUSE mode.
Defects related to the recording laser
power
• Dirty or cracked disc
• The optimum recording power
cannot be obtained.
• Trouble in RF detection.
• 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
IC201 (PA9007A)
IC101 (AK8567)
IC308 (TC7S14F)
F
∗
The unit stops during
playback or recording.
Defective pickup
• Unable to focus because of dirt or
crack on the inserted disc.
• Unable to output the proper laser
power
• Defective laser diode
• Defective focus drive circuits
• Defective pickup
• Improper soldering
• Pattern short
• Trouble of power supply
IC451 (BA5810FP)
IC401 (CXD2585Q)
A
∗
The unit stops in a
recording-related operation,
displaying "CHECK DISC."
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.
d
∗
The unit stops in a recording
related operation, displaying
"CHECK DISC."
The unit does not read the
inserted disc, and stops.
No.
Mechanism Mode
No.
Mechanism Mode
No.
Mechanism Mode
0
PLAY
5
SETUP
A
REC
1
OPEN
6
TOC READ
B
TOC REC
2
STOP
7
−
C
OPC
3
−
8
SEARCH
D
TOC CHECK
4
−
9
REC/PAUSE
E
PMA, ACTUAL PAUSE REC
The indication for * shows themechanism mode listed below.
• 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
PC651
(NJL5809K-F1)
IC451 (BA5810FP)
IC401 (CXD2585Q)
• Unable to focus
Stop during recording
• The unit stops, being obstructed by a
dirt or a crack on the disc.
Summary of Contents for PDR-W839
Page 21: ...PDR W839 21 A B C D 5 6 7 8 5 6 7 8 3 5 A A 1 5 A 2 5 A 4 5 A 1 5 Servo Amp IC Multiplexer ...
Page 39: ...PDR W839 39 ...
Page 51: ...PDR W839 51 A B C D 5 6 7 8 5 6 7 8 H PNP1480 C SIDE A CN502 A 301 CN302 A ...
Page 53: ...PDR W839 53 A B C D 5 6 7 8 5 6 7 8 H IC601 Q492 Q401 Q428 IC1811 IC901 Q490 Q481 1 SIDE B ...
Page 56: ...PDR W839 56 A B C D 1 2 3 4 1 2 3 4 I L HEAD PHONE ASSY L OPERATING1 ASSY I IC701 Q708 ...
Page 94: ...94 PDR W839 Pin Function 1 5 PDC069 CD R CORE ASSY IC501 Encoder IC ...
Page 95: ...95 PDR W839 Pin Function 2 5 ...
Page 96: ...96 PDR W839 Pin Function 3 5 ...
Page 97: ...97 PDR W839 Pin Function 4 5 ...
Page 98: ...98 PDR W839 Pin Function 5 5 ...
Page 103: ...103 PDR W839 ...