Read Panasonic KX-TCD958RUC Service Manual online
13 CHECK PROCEDURE (HANDSET)
13.1. TEST EQUIPMENT REQUIRED AND EQUIPMENT SETUP
13.2. INITIAL POWER + BBIC TESTS
1. Turn on the 3.9V supply.
2. Press the “Power-on” button.
3. Check for a “beep” and approx 10 to 30 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 RFCLK 1.
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.
13.3. SET CLOCK FREQUENCY
1. Send batch file “RFCLK 1”.
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.
34
KX-TCD958RUC
Click on the first or last page to see other KX-TCD958RUC service manuals if exist.