Analog 6.1 Ch Output Check Method; Returning To Normal Display; Activating Self Diagnosis Function (Doctor Mode) - Panasonic SA-XR57E Service Manual

2. The message, [SERVICE] appears on the display for three seconds, and then it will display the following. Refer to Fig. 6.2.
3. When the [SPEAKER A] button is pressed, the current program filing number [M023 NO] appears. The *** digit indicates the
ROM checksum used for ROM collection, and if the unit is not loaded with ROM, "NO" appears.
When the [SPEAKER B] button is pressed, the sub micro computer program filing number [S018 NO] appears. The *** digit
indicates the ROM checksum used for ROM collection, and if the unit is not loaded with ROM, "NO" appears.
6.7.

Analog 6.1 CH Output Check Method

When the [SUBWOOFER] button on the remote controller, the function is switched to "Input Inspection Mode", which output analog
input signals at L channel of VCR analog input to all channels.
6.8.

Returning to Normal Display

Press the [POWER] button on the unit to exit the function. The power is turned off.
6.9.

Activating Self Diagnosis Function (Doctor Mode)

This mode can be used during servicing.
1. Plug the AC adapter to the power source. Press and hold down the [MENU-SETUP, RETURN] button and the [SPEAKERS A]
button, and then press the [POWER] button at the same time.
2. Initialize all the setting and set the frequency "99.7MHz" to Tuner.
The message, "_DOCTOR_" appears on the display for three seconds, and then it will display the following. Refer to Fig. 6.3.
Fig. 6.2
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SA-XR57E / SA-XR57EB / SA-XR57EG