Panasonic KXTG2226W - 2.4GHZ DIGITAL PHONE, Service Manual

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Display Symptom Remedy
E 1 The initialization was tried, but it could not be
done.
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.
E 3
E 9
When the adjustment data was checked, an error
was detected.
(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
E 8
E A
E E
The defect of Flash Memory was detected. When Flash Memory has the fatal detect, replace
Flash Memory.
This error hardly occurs.
E 4 The defect of DSP was detected.
(The chip in DSP may have a defect.)
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.
E 5
E 6
E L
E
The defect of DSP was detected. Replace DSP.
Note:
Flash Memory is IC300.
DSP is IC201.
12.3. Check Record
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