Panasonic SA-AK750PL, Service Manual

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9 Self diagnosis and special mode setting
This unit is equipped with functions for checking and inspecting namely: Self-Diagnostic and Test Mode.
9.1. Service Mode Summary Table
The service modes can be activated by pressing various button combination on the main unit and remote control unit. Below is the
summary for the various modes for checking:
Player button Remote control button unit Application Note
[ ] [4], [7] Enter Doctor Mode Refer to the section, “9.2
Special Mode Table 1 for
more information.
Mode Remote control button unit Application Note
In Doctor Mode Main unit [ ],
[4]+[7]
Display EEPROM Information Refer to the section,
“9.2.1 for more
information.
[4] Set for cold start when reset start is executed the next time Refer to the section, “9.2
for more information.
[Muting] Clock Setting Refer to the section, “9.2
for more information.
[0] Tape Eject Test Refer to the section, “9.2
for more information.
[DIMMER] All segment display for the FL Refer to the section, “9.2
for more information.
[DISC] CRS1 Inspection Refer to the section, “9.2
for more information.
[7] Volume 50 Setting check
[8] Volume 41 Setting check
[9] Volume 35 Setting check
[ ] Volume 0 Setting check
[PRESET EQ] EQ Off
[H. Bass] EQ Heavy
[PROGRAM] HIC force MUTE ON/ OFF
[5] CD To Tape recording Inspection
[6] Tape record’s playback
[SLEEP] TPS Inspection
[<] FM Tuning check
[>] Tuner STEREO/ forced MONO
[ ] FM OK/ NG (98.1 MHz)
[ ] AM OK/ NG (1000 KHz)
9.2. Special Mode Table 1
Item FL Display Key Operation
Mode Name Description Front Key
Self -Diagnostic
Mode
To enter into self
diagnostic checking for
main unit.
1. Select [
] for TAPE mode (Ensure no tape is
inserted).
2. Press and hold [ ]button for 3
seconds follow by [ ].
To exit, press button on
main unit or remote control.
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SA-AK750PL