JVC TH-C3 Service Manual page 32

4.2 DVD TEST MODE
Refer to "4.2.2 Indication of FL display in the DVD test mode" as required
Insert the power cord in an outlet while
pressing the "POWER" and "PLAY" keys
on the main unit simultaneously.
FL indication
TEST bb#
Press the "PAUSE" key on the main unit.
FL indication
TEST bb#
Press the "F.SKIP" key on the main unit
or remote controller for a long time.
FL indication
TEST bb#
Press the "MENU" key on the remote controller.
FL indication
(For Example) " 1234 "
Press the "MENU" key on the remote controller.
FL indication
eaa cccc
d bb
Press the "MENU" key on the remote controller.
FL indication
ALL FL light UP
1-32 (No.MB358)
It is made POWER ON in test mode, and VERSION is displayed on FL.
TEST bb#
Display the checksum of a device key on FL. (4byte)
Display the version of a micom on FL.
aa : SYS, bb : MECHA, cccc : BE
d : MECHACON ROM collection's version
One digit out of two digits is indicated.
e : SYSCON ROM collection's version
One digit out of two digits is indicated.
Switch on the all-points light of FL and LED.
1
The initialization state (The 11th figure)
"3" : FULL initialization end
"0" : NORMAL initialization end
"Blank" : Initialization un-ending
The study state (The 10th figure)
"3" : DVD Study un-completing, CD Study un-completing
"2" : DVD Study completing, CD Study un-completing
"1" : DVD Study un-completing, CD Study completing
"0" : DVD Study completing, CD Study completing
Region code display
The study state and an initialization state from a back end are
displayed on the 10th and 11th figure of FL display.
Destination VERSION id displayed.
The display to the VERSION code is as follows.
JC / 1U / D / E / 2U / 3U / UB / UT / 4U / UY / EE / UF
NORMAL initialization
segment of FL is RDS on at the time of the completion of
initialization.
FULL initialization
segment of FL is RDS on at the time of the completion of
initialization.