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5
3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
To keep the product quality after servicing, please confirm following check points.
N
. o
P
o r
c
e
d
u
e r
1
Confirm whether the customer complain has
been solved.
If the customer complain occurs with the
specific media, use it for the operation
check.
2 Flap-mecha
Check the operation of the flap mechanism. The flap mechanism operation must be
3 DVD
Measure playback error rates at the
innermost and outermost tracks by using the
test mode with the following disc.
DVD test disc (GGV1025)
4 DVD
Play back a DVD.
(Menu operation; Title/chapter search)
5 CD
Play back a CD.
(Track search)
6 FM/AM tuner
Check FM/AM tuner action.
(Seek, Preset)
Switch band to check both FM and AM.
7
Check whether no disc is inside the product. The media used for the operating check
8
A
p
p
e
a
a r
n
See the table below for the items to be checked regarding video and audio:
Item to be checked regarding video
B
o l
k c
n -
o
s i
H
o
i r
o z
t n
l a
D
t o
n
o
s i
e
Disturbed image (video jumpiness)
T
o
o
d
a
k r
Too brig
t h
Mottled color
5
6
s
c
e
c
h
e
k c
e
n
o
s i
e
AVH-P5050DVD/XN/RC
6
7
C
h
e
k c
p
o
n i
s t
The customer complain must not be
reappeared.
Display, video, audio and operations must
be normal.
smooth without making the noise and
scratches.
Deterioration of mecha-drive can be
checked.
The error rates must be less than 2.5e-4.
Display, video, audio and operations must
be normal.
Display, audio and operations must be
normal.
Display, audio and operations must be
normal.
must be ejected.
N
o
c s
a r
c t
h
e
s
r o
d
t r i
o
n
s t i
a
p
p
e
a
a r
receiving it for service.
Item to be checked regarding audio
D
s i
o t
t r
o i
n
N
o
s i
e
V
o
u l
m
e
o t
o
o l
w
Volume too high
V
o
u l
m
e
f
u l
c
u t
t a
n i
g
S
o
u
n
d
i
t n
r e
u r
p
e t
d
7
8
R
e
m
a
k r
When flap-mecha
exists
n
c
e
a
t f
r e
8
A
B
C
D
E
F
17
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