JVC XV-N50BK Service Manual

XV-N50BK,XV-N55SL
(No.A0041)1-15
SECTION 3
Adjustment
3.1 Test mode setting method
(1) Unplug the power plug.
(2) Insert power plug into outlet while pressing both "PLAY" key and "STOP" key of the main body.
(3) The FL display shows " 0", and the main body turns to test mode. " " means the destination, and "0" means parameter adjust-
ment status.
(4) To release test mode, press "POWER" key of the main body.
NOTE:
Each pressing of "CHOICE" key of the remote controller in test mode changes the mode as follows.
3.2 Method of displaying version of firmware
(1) Set the main body at test mode.
(2) Press "CHOICE" key of the remote controller once. Then, version number and alphabetical letter of the system controller and
the back end are displayed in the FL display as follows:
3.3 Initialization method
Please initialize according to the following procedures in the following case:
• Just after you upgrade the firmware.
• After you confirm the symptoms that a customer points out. First Initialize, and then confirm whether the symptoms are improved or
not.
• After servicing, before returning the main body to a customer. (Initialized main body should be returned to a customer.)
(1) Set the main body at test mode.
(2) Press "PAUSE" key of the main body.
(3) When initialization is completed, the FL display changes from " 0" to " 00" and a progressive indicator lights up.
(The left "0" of "00" is not always "0". It shows parameter adjustment status.)
Becames test mode
Version of firmware
Check mode
Not used
0 ------------------------------
_ _ -------------
FL Display becames all lighting
CHECK -------------------------
EXPERT -----------------------
Back end
System controller
04_02_17
FL Display (Example)
213
546
879
010 +10
TITLE/
GROUP
TV/VIDEO
CANCELRETURN
VOL VOL +
CH
+
CH
VFPZOOM
AMP
VOL
AUDIO
3D
PHONIC
SUB TITLE ANGLE
DIMMER
REPEAT
OPEN/
CLOSE
TV4 TV5 TV6
TV7 TV8 TV9
TV-/-- TV0 MUTING
TV DVD
NEXTPREVIOUS
SELECTCLEAR
SLOW
- SLOW+
T
O
P
M
E
N
U
M
E
N
U
O
N
S
C
R
E
E
N
C
H
O
I
C
E
ENTER
STANDBY/ON
TV DVD
PROGRESSIVE
SCAN
TV1 TV2 TV3
CHOICE key
(switch of mode)
POWER key
STOP key
(for test mode)
PLAY key
(for test mode)
PAUSE key
(for initialize)
Progressive indicator
(for initialize)
FL Display

JVC XV-N50BK Specifications

General

Brand	JVC
Model	XV-N50BK
Category	DVD Player
Language	English