DOWNLOAD Sony DVP-NC80V Service Manual ↓ Size: 5.74 MB | Pages: 92 in PDF or view online for FREE

6-3

(4)

The Emergency history display screen will be restored
soon.

Emg. History Check

Laser Hours

CD

999h

59min

DVD

999h

59min

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

[Next] Next Page [Prev] Prev Page

(12)

Press - key, return to TOP MENU.

Information of firmware version.

(1)

In stanby mode, press [TOP MENU], [CLEAR], [POWER]
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

-

 Return to Top Menu

(3)

Press - key, return to TOP MENU.

The IF-135 board (IF CON) test mode is the IF CON self-
diagnosis mode. THe IF CON can diagnose the functions of the
IF-135 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).

The Self Check mode is the function to conduct the basic test to
the FL display and DVD panel section.

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-135 board, or while pressing the  

x 

 key on the main unit with

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.

6-4

When the Self Check mode becomes active at the AC Power ON or by key input, the test display of the following steps (1) to (4) is
repeated.

(1) FLD and LED all ON (for 5 seconds)

(2) MODEL display (for 2 seconds)

(3) Version display (for 2 seconds)

(4) ROM creation date display (for 2 seconds)

6-5

Each Self Check function tests the FLD display, and key input.

2-3-1-1. Transition Keys in Self Check Mode
•   Z  key and x key on the main unit
•  

 T  key on the remote commander

2-3-1-2. Operation and display
In this mode, all segments of FLD turn ON.

2-3-2-1. Transition Keys in Self Check Mode
• Keys on the main unit except keys transited in Self Check Mode

2-3-2-2. Operation and Display
When a key on the main unit is pressed in the Self Check mode, key code is displayed on the FLD.

  H  key, key code: 0Ah)

Input
Voltage [V]

IC404: Pin No. (Signal)

PIN  ef (AD1)

PIN eg (AD2)

PIN eh (AD3) PIN ej (AD4)

0 - 0.20

PLAY

OPEN/CLOSE

STOP

POWER

0.60 - 0.82

PAUSE

EXCHANGE

DISC 4

-

1.16 - 1.47

PREVIOUS

DISC SKIP

DISC 3

-

1.80 - 2.12

NEXT

PROG SEL

DISC 2

-

2.48 - 2.70

DISC 5

-

DISC 1

-

Vref = 3.3V

6-6

2-3-3-1. Transition Keys in Self Check Mode
• Remote commander keys except keys transited in Self Check Mode

2-3-3-2. Operation and Display
When a key on the remote commander is pressed in the Self Check Mode, the code is displayed on th FLD.

• Remote commander key code display (at input of  X  key, key code:39h)

2-3-4-1. Transition Keys in Self Check Mode
•

 t  key on the remote commander

• SHUTTLE on the remote commander during Anode Test display (This unit does not provide JOG/SHUTTLE, and therefore use another

DVD remote commander having the JOG/SHUTTLE)

2-3-4-2. Operation and Display
The Self Check Mode transits to this mode when 

 t  key is entered. This tests whether each segment turns on individually. Only the first

segment of each grid of FLD turns on, and each time the SHUTTLE is entered, the segment of each grid switched in order. When
SHUTTLE input is clockwise, the segment switches in 1 - 2 -3 direction, or counterclockwise it switches in 3 - 2- 1 direction.

r (Input in CW direction)