Version Information; If Con Self Diagnostic Function - Sony DVP-NC875V Service Manual

(4) The Emergency history display screen will be restored
soon.
Emg. History Check
Laser Hours CD 999h
DVD 999h
1. 01 05 04 04 00 92 46 00
00 00 00 00 00 00 23 45
2. 02 02 01 01 00 A9 4B 00
00 00 00 00 00 00 23 45
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(12)

6-8. VERSION INFORMATION

Information of firmware version.
In stanby mode, press [TOP MENU], [CLEAR], [POWER]
(1)
to enter Remocon Diagnosis Mode.
(2) Select "4. Version Information".
Version information
Firm (Main) : Ver. xxxxx
Firm (Sub) : xxxxx
RISC : xxxxx
8032 : xxxxx
Audio DSP : xxxxx
Servo DSP : xxxxx
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(3) Press - key, return to TOP MENU.
59min
59min

6-9. IF CON SELF DIAGNOSTIC FUNCTION

1. IF-114 BOARD (IF CON) TEXT MODE
The IF-114 board (IF CON) test mode is the IF CON self-
diagnosis mode. THe IF CON can diagnose the functions of the
IF-114 board that the IF CON controls. Normally, the IF CON
makes a serial communication with the SYSTEM CONTROL
and operates following the commands from the SYSTEM
CONTROL, but in the Test mode, the IF CON operates
independently from the SYSTEM CONTROL.
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 MB-117 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).
2. OPERATION OF SELF CHECK MODE
The Self Check mode is the function to conduct the basic test to
the FL display and DVD panel section.
2-1. Self Check Mode Transition Processing
At the AC Power ON after reset of IF CON is released, while
pressing with the MB-117 board are not connected to the
IF-114 board, or while pressing the
the IF CON in STANDBY mode, enter [RETURN] t [DISPLAY]
(or [SETUP]) on the remote commander, and the main unit transits
to the Self Check Mode.
6-5
DVP-NC875V
key on the main unit with
x