Panasonic SA-VK81DEE, Service Manual

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14 Self-Diagnosis Function
This unit is equipped with the self-diagnosis function, which displays an error when it occurs, for use during servicing.
14.1. Automatic Displayed Error Codes
14.1.1. Automatic Display Function
For a power unit error, the code is automatically displayed.
F61: Automatically displayed on the LCD of the player.
14.1.2. Re-Display
· For F61 Display
− − − −
When the code, F61 is displayed, the power is automatically turned off.
−
− −
−
The code, F61 is displayed for three seconds, and then the current time appears.
− − − −
To retrieve the code, turn on the power button so that the code F61 appears, however, is switched to time display after three
seconds, and the power is automatically turned off.
·
For F76 Display
− − − −
The abnormalities is an output or the abnormalities in a power supply of POWER AMP.
14.1.3. Description of Error Code
14.1.3.1. F61
·
State, Condition
When the power is turned on, the unit is automatically turned off. The power does not turn on.
·
Cause, Troubleshooting
Power circuit system failure and/or direct current flown to speaker terminal
Identify the cause and replace with new parts.
14.2. Memorized Error Codes
14.2.1. 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 button for at least two seconds,
and press the “0” buttonon the remote control for at least two seconds in order to display “DVD_F_ _ _ ”.
3. Press the button. If a memorized error is detected, the result of self diagnosis is displayed. (Ex.: T H15)
If several errors are detected, press the button to display each.
14.2.2. 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”.
14.3. Mode Table 1
Following modes are available with combinations of the pressed buttons on the player and on the remote controller unit.
Player Remote Controller Unit Usage
button
0 Error code display (Refer to the Item 15.4. DVD Error Code Description)
5 Tilt adjustment (Jitter)
6 Region number and broadcasting system check
8 Bulit-in program version check (Micro-P)
DISPLAY DVD laser drive current check
3 CD laser drive current check
PAUSE Writing of laser drive current value after replacement of optical pickup
(Do use this function only when optical pickup is replaced.)
Initialization of the player (factory setting is restored.)
Used after replacement of micro-computer and its peripherals and printed circuit board.
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SA-VK81DEE