No.a0041)1; Adjustment - JVC XV-N50BK Service Manual

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.)
TV DVD
STANDBY/ON
OPEN/
TV DVD
CLOSE
TV1 TV2 TV3
1 2 3
TV4 TV5 TV6
4 5 6
TV7 TV8 TV9
7 8 9
TV-/-- TV0 MUTING
10 0 +10
TITLE/ TV/VIDEO
RETURN GROUP CANCEL
CH
+
CHOICE key
VOL VOL+
ENTER
(switch of mode)
CH
PREVIOUS NEXT
CLEAR SELECT
SLOW- SLOW+
3D
PHONIC ZOOM VFP
PROGRESSIVE
SCAN
ANGLE SUB TITLE AUDIO
AMP
VOL
REPEAT DIMMER
SECTION 3

Adjustment

0 ------------------------------
_ _ -------------
FL Display becames all lighting
CHECK -------------------------
EXPERT -----------------------
FL Display (Example)
04_02_17
System controller
POWER key FL Display
Becames test mode
Version of firmware
Check mode
Not used
Back end
STOP key
(for test mode)
Progressive indicator
(for initialize)
XV-N50BK,XV-N55SL
PLAY key
(for test mode)
PAUSE key
(for initialize)

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