99
XR-MR7
Code
Symptom
Contents of Error
Possible Cause
Checkpoints
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 (AK8563)
IC363 (TC7S04F)
IC364 (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 (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.
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
8
SEARCH
D
TOC CHECK
9
REC/PAUSE
E
PMA, ACTUAL PAUSE REC
The indication for * shows themechanism mode listed below.
To initialize the total turn-on time of the laser diode, hold the "TIME "key down for about 10 seconds in stop state with the INPUT selector
set to analog in Test mode.
The message "CLEAR" is displayed, and the total time is cleared.
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