DEH-4090MP/XN/ID
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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
3.2 PCB LOCATIONS
To keep the product quality after servicing, please confirm following check points.
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1
Confirm whether the customer complain has
been solved.
If the customer complain occurs with the
specific media, use it for the operation check.
The customer complain must not be
reappeared.
Display, audio and operations must be
normal.
2 CD
Play back a CD.
(Track search)
No malfunction on display, audio and
operation.
3 FM/AM tuner
Check FM/AM tuner action.
(Seek, Preset)
Switch band to check both FM and AM.
Display, audio and operations must be
normal.
4
Check whether no disc is inside the product. The media used for the operating check must
be ejected.
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receiving it for service.
See the table below for the items to be checked regarding audio:
Item to be checked regarding audio
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
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Panel Unit
Tuner Amp Unit
CD Core Unit
(S10.5COMP2)
Unit Number : QWM3017(ID)
Unit Number : QWM3028(UR)
Unit Name
: Tuner Amp Unit
Unit Number :
Unit Name
: Keyboard Unit
Unit Number : CWM8758
Unit Name
: Panel Unit
Unit Number : CWX3514
Unit Name
: CD Core Unit(S10.5COMP2)
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
