Matsushita Electric KX-TCD952NLB, Service Manual

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15.2. INITIAL POWER + BBIC TESTS
1. Turn on the 3.9V supply.
2. Press the “Power-on” button.
3. Check for a “beep” and approx 80 mA current on the 3.9V supply.
4. Check the 3.0V supply voltage (TP10). It must be 2.85 +/- 0.3.
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 4 digits are FLASH ROM
checksum, the next 2 digits are RAM test, and must be 00.
15.3. SET CLOCK FREQUENCY
1. Send batch file “RFCLK1”.
2. Connect RFCLK (TP56) to the frequency counter.
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.
15.4. QUICK Tx CHECK
1. Set the CMD60 to MODULE TEST.
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