Check Record - Panasonic KX-TG2226B Service Manual

Display
E 1 The initialization was tried, but it could not be
done.
E 3 When the adjustment data was checked, an error
was detected.
E 9
(The adjustment data may not be written.)
E 7 The defect of synthesized voice was detected.
(The synthesized voice may not be written.)
E 2 The defect of Flash Memory was detected.
E 8
E A
E E
E 4 The defect of DSP was detected.
(The chip in DSP may have a defect.)
E 5 The defect of DSP was detected.
E 6
E L
E
Note:
Flash Memory is IC300.
DSP is IC201.

12.3. Check Record

Symptom
34
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
be defect.
3. Solder the Flash Memory again.
When Flash Memory has the fatal detect, replace
Flash Memory.
This error hardly occurs.
1. Confirm Pins of DSP or resoldering.
2. Confirm the oscillation frequency of DSP.
If no frequency is found, replace DSP because it might be defect.
Replace DSP.
Remedy