Service manual

DEH-3750MP/XU/GS
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6.3 ERROR MODE
- Error Messages
Error is displayed with number for Error cause when CD is inoperative or stops with Error during operation.
The purpose is to reduce nonsense calls from users as well as to assist all related analysis and repair for defects
at service station.
(1) Basic Display Method
1) When CSMOD (CD mode area for system) is SERRORM, Error code will be written in DMIN (minutes area for
display), DSEC (seconds area for display). The same data shall be written in DMIN and DSEC. DTNO is blank as
usual.
2) Display Example of Head Unit
The following is about LCD display ability. xx is Error number.
8 digits 6 digits 4 digits
ERROR–xx ERR–xx
E–xx
(2)
Error Code List
No. Classification Contents Details • Cause
10 Electricity Carriage Home NG CRG can’t move to the inner.
CRG can’t move from the inner.
→ HOME SW failure, CRG movement failure.
11 Electricity Focus Search NG Focus can’t be caught.
→ Back of Disc / Severe dirt and vibration.
23 Disc File Format NG Contents are stored in an incompatible file format.
→ The contents in a CD-ROM disc inserted are recorded in a file format
other than ISO9660 Level-1 and 2.
22 Disc Impossible to play There is no playable MP3 or WMA file present in a disc.
→ No MP3 or WMA file exists in a CD-ROM disc inserted.
17 Electricity Setup NG AGC protection doesn’t work, out of Focus soon.
→ Scratch on Disc/Severe dirt and vibration.
12 Electricity Spindle Lock NG Not spindle, lock. Wrong subcode (can’t read).
Subcode NG
RF-amp NG
→ Defective Spindle. Scratch and dirt on Disc. Intense vibration.
The appropriate gain of the RF amp cannot be obtained.
→ Defective spindle.
→ Blanc CD-R disc. Disc inserted upside down.
→
Scratched or dirty disc. Severe vibration. Abnormal CD signals.
30 Electricity Search Time Out Can’t reach the target address.
→ Defective CRG/tracking, or scratch on Disc.
→ All TRK Nos. In a disc inserted are specified as a track which should
be skipped, in the track skip information.
44 Disc Impossible to play There is no playable TRK No. present in a disc.
50 Mecha Disc Load / Eject NG Disc loading/ejection cannot be complete.
→ Foreign objects entered into the mechanism. Disc caught in between
during loading/ejection.
A0 System Power NG Power supply (VD) isn’t connected to the ground.
→ Defective SW transistor. Abnormal power (failed connector)
OR
Err–xx
Note : Error doesn’t display in mechanism only. (CD off causes mechanism off)
If TOC can’t be read, error wouldn’t occur, but mechanism still continues its operation.
The upper digits of error code is mainly classified by 3 kinds as follows:
1x: Setup related error, 3x: Search related error, Ax: Other errors.