Panasonic KX-WT115CE, Service Manual

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KX-WT115CE
11.5. Things to Do after Replacing X'tal
If repairing or replacing X'tal, it is necessary to download the required data such as Programming data or adjustment data, etc. in
memory.
The set doesn't operate if it is not executed.
11.5.1. How to download the data
11.5.1.1. Handset
First, operate the PC setting according to The Setting Method of JIG (P.37).
Then download the appropriate data according to the following procedures.
11.6. RF Specification
11.6.1. Handset
**: Refer to Check Point (Handset) (P.31)
Items How to download/Required adjustment
X'tal (X1) System clock 1) Apply 2.6V between BATT+ and BATT- with DC power.
2) Input Command " sendchar sfr", then you can confirm the
current value.
3) Check X'tal Frequency.(13.824 MHz ± 100 Hz).
4) If the frequency is not 13.824 MHz ± 100 Hz, adjust the fre-
quency of CLK executing the command "sendchar sfr xx xx
(where xx is the value)" so that the reading of the frequency
counter is 13.824000 MHz ± 5 Hz.
Item Value Refer to -. **
TX Power 19 dBm ~ 25 dBm Check Point (Handset) (H)
Modulation -340±30/+340±30 kHz/div & Modulated
width 660 kHz Check Point (Handset) (I)
Frequency Offset -15 kHz ~ +15 kHz Check Point (Handset) (J)
Frequency Drift < ± 20 kHz / ms Check Point (Handset) (K)
RX Sensitivity < 1000 ppm Check Point (Handset) (L)
Power RAMP Power RAMP is matching Check Point (Handset) (M)