Adjustment - JVC DX-T99A Service Manual

4.1 ATTENTION IN SERVICE OF DVD SECTION
(1) When pickup, Flash ROM, DVD module board were changed, initialize EEPROM by all means.
(2) When full initialization was executed, execute learning with a DVD test disc by all means.
Test disc : VT-501, VT-502
Learning method : It is adjusted automatically by normal playback of a DVD disc.
4.2 TEST MODE
ITEM
TUNER AM switch to
9kHz step
TUNER AM switch to
10kHz step
Tray lock
Cold start
CLOCK FAST
FORWARDING
FAN ON/OFF setting
VOLUME LARGE STEP
CHANGE
MICON VERSION DISPLAY
LCD ALL SEGMENT
BLINKING
1-62 (No.MB531)
SECTION 4

ADJUSTMENT

OPERATION
(During STANDBY MODE)
STOP [key] +
(Only source TUNER)
(During STANDBY MODE)
STOP [key] +
(Only source TUNER)
STOP [key] + DISC 1 EJECT
(Only during Standby mode)
[Remocon Key]
STANDBY/ON + ENTER + 0
[Remocon Key]
STANDBY/ON + ENTER + 2
STOP [key] + DISC 2 EJECT
(During STANDBY MODE)
[Remocon key]
STANDBY/ON + ENTER + 3
[Remocon key]
STANDBY/ON + ENTER + SET
[Remocon key]
STANDBY/ON + ENTER + 10
MANAGEMENT
AM frequency change to 9kHz at U-version.
AM frequency change to 10kHz at U-version.
Loader-mecha is locked.
EJECT processing isn't done by pushing EJECT key at tray
lock on state.
Then display to LOCKED / UNLOCKED.
EJECT 1 is pushed, pushing STOP again, tray lock is off.
Back up to tray locked ON/OFF.
Cold start processing.
After cold start is activated, LCD 8 Segment temporary
display COLD' for 2 seconds. Then return to previous
display.
To activate cold start AC OFF system, then AC ON again.
Fast Forward clock (Increase clock counter speed)
Can only be activated after SYSTEM clock is set to exit
this TEST mode, AC OFF the system, then AC ON again.
Toggle between FAN switch ON and OFF.
(FAN-CTL : L -> H TOGGLE)
This test mode is only effective during STANDBY MODE.
Test mode exit when system STANDBY -> P.ON
VOLUME change
Volume step MAX (31) -> Volume step CENTER (15) toggle
Normal operation TEST mode.
System returns to normal operation after performing
VOLUME CHANGE.
TEMPORARY DISPLAY FOR MICON VERSION (5SEC)
After 5 seconds, return to previous display.
Each key press will toggle temporary display for the following:
SYSCON VERSION -> DVD LSI (BE) VERSION) -> DVD
MECHA VERSION
* DVD LSI (BE & FE) version can only been display during
system power on in DVD mode (When DVD LSI P.ON)
* IF there is no information feedback, sys-con will display
"WAIT" blinking 0.5sec ON & OFF
LCD all segment blinking (0.5sec : ON/0.5sec : OFF)
Each key press will toggle this TEST mode ON/OFF.