Panasonic KX-TG5776S Service Manual page 65

10.1.1. Check Power
Cross Reference:
Power Supply Circuit (P.14)
Reset Circuit (P.16)
10.1.2. Error Message Table
Display
E1 The initialization was tried, but it could not be done.
E3 When the adjustment data was checked, an error was
E9 detected. (The adjustment data may not be written.)
Note:
Flash Memory is IC601.
DSP is IC501.
Symptom
65
Note:
Flash Memory is IC601.
DSP is IC501.
(*1) Refer to Specifications (P.6) for part number and
supply voltage of AC adaptor.
Remedy
1. Check the peripheral circuit of Flash Memory visually.
2. Confirm that the voltage is added to the power supply pin.
If no voltage is detected, replace the Flash Memory because it
might be defect.
3. Solder the Flash Memory again.
KX-TG5776S/KX-TG5777S/KX-TGA571S