6-6. IF CON SELF DIAGNOSTIC FUNCTION2. OPERATION OF SELF CHECK MODE
The Self Check mode is the function to conduct the basic test to
1. IF-112 BOARD (IF CON) TEXT MODEthe FL display and DVD panel section.
The IF-112 board (IF CON) test mode is the IF CON self-
diagnosis mode. THe IF CON can diagnose the functions of the2-1. Self Check Mode Transition Processing
IF-112 board that the IF CON controls. Normally, the IF CONAt the AC Power ON after reset of IF CON is released, while
makes a serial communication with the SYSTEM CONTROLpressing with the MV-044 board are not connected to the IF-112
and operates following the commands from the SYSTEMboard, or while pressing the x key on the main unit with the IF
CONTROL, but in the Test mode, the IF CON operatesCON in STANDBY mode, enter [RETURN] t [DISPLAY] (or
independently from the SYSTEM CONTROL.[SETUP]) on the remote commander, and the main unit transits to
the Self Check Mode.
In the test mode, the following functions can be checked.
1. Button function
2. Remote commander receiving function
3. SYSTEM CONTROL-IF CON serial communication
4. Fluorescent display tube lighting check
- Grid check
- Anode check
5. LED control function
In the test mode, the main unit operates same as usual, except
voltage monitoring, communication, display of fluorescent
display tube, and LED control.
1. The routine that monitors +3.3V (PCONT) of MV-044 board
is not provided.
2. The monitoring timer for serial communication with the
SYSTEM CONTROL is not provided. The main unit is not
placed in the Standby mode, even if the communication with
SYSTEM CONTROL is normal.
3. Display of fluorescent display tube.
(Normally, display is mode following the commands from
SYSTEM CONTROL).
4. LED control.
(Normally, control is mode made following the commands
from SYSTEM CONTROL).
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ACEC
