Cordless Handset Adjustment - Panasonic KX-FC971CX-S Service Manual

7.9.

CORDLESS HANDSET ADJUSTMENT

When you have replaced EEPROM or BBIC or X'tal, adjustment is necessary.
This supplement will explain further details for adjustment.
1. Items as followas are necessary for adjustment.
1-1. PQZZ1CD505E
3 wire Cable: it connect Board and PC.
1-2. PFZZFC533CN
Batch Files: it's executed on PC.
1-3. PC
input a command for adjustment.
1-4. Frequcency Counter
it's to adjust frequncy (10.368000MHz) of BBIC.
it requires an accuracy that can measure 1Hz. (precise; ±1ppm)
1-5. Digital multimeter
it's to adjust voltage (1.8V) of BBIC.
2. Settings of Board and connecting
CN2 (back side of FC972 cordless handset board): Please connect the component and the cable as follows:
3. Batch Files settings:
117
KX-FC971CX-S / KX-FGA521CX-S