Sunday, July 13, 2014

HOW TO ENTER SERVICE MODE - PANASONIC AG-520VDH TV/DVD/VCR Combination.

Service Mode & Display Details to AG-520VDH TV/DVD/VCR Combination.
SELF DIAGNOSIS
Simplified Self-Diagnostic System facilitates finding the cause of the fault. The following data will be displayed on the TV screen.
The Error Code data is stored in the Memory IC (IC6004) (latest error only). This data is cleared after it is displayed, and then the POWER button is pressed back on.
With power turned off, press FF and REW buttons on the unit together for over 3 seconds.  TV power comes on and the unit goes into service mode.
The following codes will be displayed.
Note:  Press any operation button except for POWER or PLAY (DVD) on either the unit, or DVD key on the remote to detect that a key has been pressed. 
The 3rd digit changes to “1” only when key is detected.
USAGE SCREEN MODE
This function is displayed on the TV monitor:
The total AC plugged in AC socket (in days)
The total elapsed "Cylinder rotation" time (in hours)
The total elapsed "DVD play" time (in hours)
With power turned and no cassette, press STOP/EJECT button on VCR and 7 key on remote together.
The USAGE SCREEN will be displayed on the TV Monitor.
Notes:
1. After replacing the Cylinder Unit, press COUNTER RESET button on remote in this mode. Only Total elapsed "Cylinder rotation" time (in days) will be cleared to 0.
2. After replacing the DVD Unit, press ADD/DLT button on remote in this mode. Only Total elapsed time "DVD Play" time (in hours) will be cleared to 0.
3. To release from Usage Screen Mode, press any operation button on VCR or insert a cassette tape in this mode. VCR will return to normal operation mode.