MVH-350BT/XMEW5
9
5
6
7
8
5
6
7
8
C
D
F
A
B
E
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 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.
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3
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
A
B
Keyboard Unit
C
BT Unit
Tuner Amp Unit
350BT/XMEW5
355BT/XMES
A:MVH-350BT/XMEW5
B:MVH-355BT/XMES
C:MVH-150UI/XMEW5
D:MVH-155UI/XMES
E:MVH-155UI/XMES1
F:MVH-159UI/XMID
Unit Number
:
QWM3482(A)
Unit Number
:
QWM3483(B)
Unit Number
:
QWM3477(C)
Unit Number
:
QWM3478(D,E)
Unit Number
:
QWM3479(F)
Unit Name
:
Tuner Amp Unit
Unit Number
:
Unit Name
:
Keyboard Unit
Unit Number
:
QWM3533(A,B)
Unit Name
:
BT Unit
