Measurements And Adjustments; The Setting Method Of Jig (Base Unit) - Panasonic KX-TG7100HGS Service Manual

11 Measurements and Adjustments

11.1. The Setting Method of JIG (Base Unit)

11.1.1. Preparation
11.1.1.1. Equipment Required
• DECT tester: Rohde & Schwarz, CMD 60 is recommended.
• Frequency counter: It must be precise enough to measure intervals of 1 Hz (precision; ±4 ppm).
Hewlett Packard, 53131A is recommended.
• Digital multi-meter (DMM): It must be able to measure voltage and current.
• Oscilloscope
11.1.1.2. JIG and PC
• Serial JIG
JIG Cable: PQZZ1CD300E*
• PC which runs in DOS mode
• Batch file CD-ROM for setting: PQZZTG7100HG
11.1.2. PC Setting
11.1.2.1. Connections
Connect the AC adaptor to CN2 (base unit).
Connect the JIG Cable GND (black).
Connect the JIG Cable RX (red) and TX (yellow).
Note:
*: COM port names may vary depending on what your PC calls it.
Note:
*: If you have the JIG Cable for TCD500 series
(PQZZ1CD505E), change the following values of resis-
tance. Then you can use it as a JIG Cable for both TCD300
and TCD500 series. (It is an upper compatible JIG Cable.)
Resistor
R2
R3
R4
R7
45
KX-TG7100HGS/KX-TG7102HGS/KX-TGA711FXS
Old value (kΩ) New value (kΩ)
22 3.3
22 3.3
22 4.7
4.7 10