Table of Contents
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No. Error Code
SSB Byte21,22
7
47xx
8
49xx
9
4Axx
10
4A5x
4A6x
11
4A8x
12
4B0x
13
4B8x
14
4CCx
15
4Dxx
Contents of fail
Servo Loop Gain Adjust NG.
Unwritten Slice Level Adjust NG. 4906: RAM Disc NG (Exchange Disc).
(RAM Only)
Focus Offset Adjust NG.
(DVD-ROM,CD-R/RW)
Focus Offset Adjust NG.
(RAM Only for PID)
Focus Offset Adjust NG.
(RAM Only for Data)
Tilt Adjust NG(RAM Only).
Tilt Adjust NG(DVD-/+ R/RW).
Data Slice Adjust NG.
(RAM Only)
Focus Deviation Adjust NG.
Fail Analysis
47XA: Disc Unmatch(Exchange Disc).
1) Check Pickup FFC Connection.
2) Exchange Pickup (Signal Noisy).
3) Check solder of IC101circumference.
(pin#4,5,6 pin#85-98,
FE_Servo: R334, C325
TE_Servo: R337, C328)
4) Exchange IC101(AFE).
5) Exchange IC301(DSP).
1) Check solder of IC101circumference.
(pin#4,5,6 pin#85-98)
2) Exchange IC101(AFE).
3) Exchange IC301(MPU).
4A08: Disc Unmatch(Exchange Disc).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Exchange IC301(DSP).
1) RAM Disc NG (Exchange RAM Disc)
2) Exchange Pickup
3) Exchange IC101(AFE)
4) Exchange IC301(DSP)
4A88: RAM Disc NG (Exchange RAM Disc).
1) Exchange Pickup.
2) Exchange IC101(AFE).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC101circumference.
(pin#10,11 R340,C331,R341,C333)
4) Exchange IC101(AFE).
5) Exchange IC301(DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC601 circumference.
4) Exchange IC601.
5) Check solder of IC301 circumference.
6) Exchange IC301
7) Exchange Slider Motor.
1) Exchange Pickup.
2) Exchange IC101(AFE).
3) Exchange IC301(DSP).
1) Check Pickup FFC Connection.
2) Exchange Pickup.
3) Check solder of IC301circumference.
4) Exchange IC301(DSP).
Block Diagram
No.9
N0.10
No.11
No.12
No.13
No.14
No.15
No.13
No.16
80
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