Self-Diagnostic Display Function; Cassette Mechanism Test (For Error Code H01, H02, H03, F01, F02); Cd Mechanism Test (F15, F26, F16, F17, F27, F28, F29, H15, F75); To Clear All Error Code - Panasonic SA-AK78 Service Manual

SA-AK78

8 Self-Diagnostic Display Function

8.1. Self-diagnostic display
This unit is equipped with a self-diagnostic display function which, if a problem occurs, will display an error code corresponding to
the problem.
Use this function when performing maintenance on the unit.
8.2. How to enter the Self-Diagnostic Function
1. Turn the unit on with no cassette in the deck. (Select the tape function)
2. Press and hold the "STOP/TUNE MODE" button for at least 2 seconds.
3. While pressing the "STOP/TUNE MODE" button, press "FF/MEMORY" button for at least 2 seconds.
4. "T" will appear on the FL display. (unit is in the Self-Dianostic Function)
8.3.

Cassette Mechanism Test (For error code H01, H02, H03, F01, F02)

1. Press "TAPE, DECK 1/2" to select Deck 2.
2. Load a cassette tape with the erasure prevention tab, remove from left side only and close the cassette holder.
3. Press "FAST FORWARD MEMORY/NEXT" (Tape will be stop after 2 seconds)
4. Load a cassette tape with the erasure prevention tab, remove from right side only and close the cassette holder.
5. Press "REVERSE FM MODE/BP/PREV" (Tape will be stop after 2 seconds)
6. Load a pre-recorded tape with both side record tabs intact and close the cassette holder.
7. Press "PLAY TUNE/TIME ADJ SELECT" (After TPS function, tape will stop automatically)
8. Press "REC/STOP" (Tape will not move)
9. Press "STOP TUNE MODE" to indicate Error code.
• • If several problem exist, error code will change each time when "
(e.g. H01 → H03 → F01 .....etc.)
10. Press "TAPE, DECK 1/2" to select Deck 1.
11. Repeat step 2 to 9 to test Deck 1. (Tape Deck 1 will not check H02 because of no recording function)
8.4.

CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29, H15, F75)

1. Press "CD".
2. Press "CD MANAGER".
3. Press " TUNE MODE" to indicate Error Code.
• • If several problem exist, error code will change each time when " STOP TUNE MODE" is pressed. (e.g. F15 → F26 → F16
..... etc.)
8.5.

To clear all Error code

1. Press "STOP TUNE MODE/PBC" button for 5 seconds.
2. FL indicator shows "CLEAR" for 1 second and change to "T".
8.6. How to get out from Self-Diagnostic function
1. Press "Power" button OFF.
8.7. Power Amplifier Failure (F61)
1. When power amplifier fail, F61 will indicate automatically.
TUNE MODE/PBC" is pressed.
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