Read Panasonic KX-TCD955RUC Service Manual Simplified online
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KX-TCD955RUC
(Model KX-TCD955RUC)
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SHEMATIC DIAGRAM [Handset] (Change from original page 18)
Addition
Addition
3. Send batch file “SET FREQ nn” to set the clock frequency. The default value of nn is 80. Increase the value to
increase the frequency. The clock frequency must be 10,368.000 kHz ± 0.04 kHz.
increase the frequency. The clock frequency must be 10,368.000 kHz ± 0.04 kHz.
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CHECK PROCEDURE (Change from original page 41)
TEST EQUIPMENT REQUIRED AND EQUIPMENT SETUP
Connect a 3.9V supply to the board J5 (+), J8 (–).
INITIAL POWER + BBIC TESTS
4. Check the 3.0V supply voltage (TP10). It must be 2.85 +/– 0.3V.
5. Connect RFCLK (TP56) to CH.1 on the scope. Send batch file RFCLK1.
6. Check if the clock waveform is 10,368.000 kHz,+/– 40Hz.
7. Send batch file “SELF TEST”. The first 4digits are FLASH ROM checksum, the next 2 digits are RAM test,
and must be 00
5. Connect RFCLK (TP56) to CH.1 on the scope. Send batch file RFCLK1.
6. Check if the clock waveform is 10,368.000 kHz,+/– 40Hz.
7. Send batch file “SELF TEST”. The first 4digits are FLASH ROM checksum, the next 2 digits are RAM test,
and must be 00
SET CLOCK FREQUENCY
1. Send batch file “RFCLK1”.
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CABINET AND ELECTRICAL PARTS LOCATION (Change from original page 54)
Addition
LCD
121
121
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