JVC NX-F3B Service Manual page 23

4.3 KEY special mode
MODE NAME
STANDBY
TUNER 9K/10kHz
select (U ver)
TRAY LOCK
DVD TEST mode
FL & LED all on
mode
4.4 REMOCON KEY special mode
MODE NAME
COLD START
SYSTEM TEST MODE
FL all ON
Write the preset frequency
FAN high speed
DVD STATUS MODE
SYSTEM STATUS MODE
SPK OUTPUT MEASURE
MODE
Version indication
STATUS OPERATION
Change to 9kHz step by
press and hold [|<<] key,
then press [POWER] key.
Change to 10kHz step by
press and hold [>>|] key,
then press [POWER] key.
P.OFF Press and hold [STOP]
key, then press
[OPEN/CLOSE] key, and
keep 1sec. more.
AC off Press and hold
[OPEN/CLOSE] and [PLAY]
key, and connect to AC.
P.ON Press and hold [STOP]
key, and press [POWER]
key 5sec. more.
CODE OPERATION
[STOP] + 2 times input at P.OFF
[POWER] + [0]
[STOP] + Input at P.ON
[POWER] + [1]
[STOP] + Input at P.ON
[POWER] + [2]
[STOP] + Input at
[POWER] + [3] P.ON/STANDBY
[STOP] + Input at
[POWER] + [4] P.ON/STANDBY
[STOP] + Input at P.ON
[POWER] + [10]
FUNCTION
Main body to power to ON,
TUNER AM 9kHz/10kHz step select.
Indicate "9k STEP", "10k STEP".
Do the TRAY LOCK mode select. Done the temporary
P.ON process, select the "LOCKED" and "UNLOCKED"
(Do no done the P.ON process).
Ended the transitory display (2 seconds) return to
P.OFF mode.
When press the [EJECT] key at LOCK mode, at P.OFF
status do templary P.ON process then the transitory display
(2 seconds) the "LOCKED", at P.ON status do the transitory
display (2 seconds) the "LOCKED".
DVD back end started by TEST mode.
Internal TEST mode process is refer the spec.
Into the TEST MODE.
FL and LED all to ON.
Normal indication by any key.
When Fix by 2 times input, do the templary P.ON
process then indicate "COLD SET" by transitory
a(2 seconds).
Ended the indication, change to P.OFF mode.
Write the preset frequency, LED all on check
(each 300ms), FL all on, LED on
(order : STANDBY -> ILLUMI -> K2), FAN high speed
(clear by STANDBY)
Volume control by [VOL+] and [VOL-] key of the
remote controller, it should high speed mode until
next POWER OFF.
At every [STOP] + [POWER] + [2] input, it display a
DVD status.
NORMAL indication
=> DVD temp status
=> EDID status
=> Normal indication from come out the mode
At every [STOP] + [POWER] + [3] input, it display a
variable / the terminal voltage of the following syscom
Normal indication
=> Indicate last shut down status
=> Indication temperature detection
(power supply block, amp block), A/D port voltage
=> Indicate Sound level (LVL_DET) A/D poet voltage
volume att value of volume IC
=> Normal indication from come out the mode
Shift to speaker output measurement by input
[STOP] + [POWER] + [4]
Indicate "MEASURE", it cancel VOLUME ATT
restrictions processing by the sound level detection.
Come out the mode by input [STOP] + [POWER] + [4]
Indicate syscom back end software at each input
[STOP] + [POWER] + [10]
NORMAL indication
=> syscom ROM version
=> syscom model/destination
=> Back end Firm Version
=> Back end destination/REGION
=> Normal indication from come out the mode
FUNCTION
(No.MB662<Rev.003>)1-23