Friday, November 13, 2015

PANASONIC SA-VK92DGCP DVD HT SYSTEM INITIALIZATION SELF DIAGNOSTICS AND POWER AMPLIFIER CIRCUIT

PANASONIC SA-VK92DGCP 

DVD HT SYSTEM 

INITIALIZATION SELF DIAGNOSTICS AND POWER AMPLIFIER  CIRCUIT 

Self-Diagnosis Function
Entering into Self-Diagnostic Mode
1.Turn on power
2. press and hold stop button after three seconds press and hold next (>>I) button
“T” will appear on the display.
 Memorized Error Codes 
Activating Self-Diagnosis Function and Displaying Method
1. Turn on the power.
2. Select DVD/CD function. With no DVD/CD inserted in the player, press and hold down the STOP  button for at least two seconds, and press the “0” button on the remote control for at least two seconds in order to display “DVD_F---”.
3. Press the STOP button. If a memorized error is detected, the result of self diagnosis is displayed.
If several errors are detected, press the STOP button to display each
Re-Display
Press the power button to turn off the power, and then turn on the power.
The details of self diagnosis are stored in the unit memory.
To retrieve them, follow the procedure described the above, “Activating Self-Diagnosis Function and Displaying Method”.
CR16 Mechanism Ageing Mode
To perform the ageing mode:
1. Enter into Test mode.
2. Press [3] button on remote control. It enters into ageing mode. (see below for ageing process)
Ageing process:
1. Tray 1 open.
2. It waits for one second (Note: Do not put any disc into the tray.
3. Tray close.
4. TOC READ (Reading incomplete)
5. Tray 2 open & repeat step 1 to step 4. (Process repeat until Tray 5)
6. Tray check.
7. Whole process complete (Counter on FL increase by 1)
Note: To exit ageing mode, press [POWER] button. The unit will power down. Do not unplug the power cord until FL display shows
“GOODBYE”. This is to avoid tray jam problem.
DVD Player Firmware Version Upgrade Process
Firmware of DVD player may upgrade to conform to improvement of its performance and quality including operational range,
playability of non-standardized discs, etc. The version upgrade disc contains the recovery function, and the recovery disc is not
necessary.
Note:
Version upgrade process cannot be complete if the AC power is cut off due to power failure and other occasions during the process. If this occurs, replace FLASH ROM IC and restart version upgrade. Version upgrade disc number is informed when
ordered.
Firmware Version Upgrade Process by Using Disc and Recovery
Process
# Recovery process
# Firmware version upgrade process
Both of the above procedures automatically start when the recovery disc is replayed.General CD-R disc allows version upgrade
process and recovery process, making version upgrade through disc simple.
Recovery process: Optimization process of player after replacement of FLASH ROM, EEPROM, or module circuit board
Version upgrade process: Renewal of firmware for improvement of operational range and performance
Using Recovery Disc
Recovery Process
1. Insert the recovery disc (RFKZD03R005) to the player to replay.
2. The recovery process automatically starts, and a message of completion prompts on the screen.
3. Remove the disc.
4. Turn off the power
Version Upgrade Process
1. Insert the recovery disc to the player to replay.
2. The version of player is automatically checked and prompts if necessary.
3. Select version upgrade process using the cursor keys on the remote controller unit. (Select YES or NO)
4. a. If YES is selected, the process starts.
b. If NO is selected, only the recovery process is applied.
5. a. When the version upgrade process is complete, a message of completion appears on the screen. Remove the disc.
b. Follow the instruction appearing on the screen, and remove the disc.
6. Turn off the power.
INITIALIZATION
Below steps is to be performed after changing of DVD Module
1. Press >10 on remote control while pressing “STOP” on main unit.
2. FL will display “INITIALIZE”.
3. Press “STOP” & “ENTER” on remote control (For reset of unit)
4. FL will display “DVD RESET” before change to TOC reading again.
5. Power off the set. Unplug AC cord & wait for few seconds.
6. Plug in AC cord & power on set.
POWER AMPLIFIER  CIRCUIT 

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