JVC SP-PWM55, Service Manual

Page: 34 / 105

1-34 (No.MB075)
SECTION 4
ADJUSTMENT
4.1 Test mode setting method
(1) Unplug the power plug.
(2) Insert power plug into outlet while pressing both "STOP" key and "OPEN/CLOSE" key (for DISC 1) of the main body.
(3) "Area code" is indicated at the upper left of display.
(4) To release test mode, press "STANDBY/ON" key of the main body.
NOTE:
Each pressing of "CHOICE" key of the remote controller in test mode changes the mode as follows.
4.2 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.
4.3 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, "00" and "RDS" is displayed in the FL display
Becomes test mode
Version of firmware (Refer to "3.2 Metod of displaying version firmware".)
Mechanism check mode
Front end check mode
TEST --------------
_ _ ---------------
FL Display becomes all lighting
CHECK --------------------------
EXPERT -------------------------
Area code
FE microcomputer learning processing condition
Front end (FE) micro computer
System micro computer
Mechanism micro computer
12_1a_02_3f
FL Display (Example)
Back end (BE) micro computer
FL display
PAUSE key
(for initialize) STOP key
(for test mode)
STANDBY/ON key
CHOICE key
(switch of mode)
OPEN/CLOSE key
(for test mode)