Equipment Required; The Setting Method Of Jig (Base Unit) - Panasonic KX-TG2873BXS Service Manual

12.2. The Setting Method of JIG (Base Unit)

12.2.1. Preparation

12.2.1.1. Equipment Required

• 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
12.2.1.2. JIG and PC
• Serial JIG
JIG Cable: PQZZ1CD300E*
• PC which runs in DOS mode
• Batch file CD-ROM for setting: PQZZTG2873BX
12.2.2. PC Setting
12.2.2.1. Connections
Connect the AC adaptor to CN101 (base unit).
Connect the JIG Cable GND (black).
Connect the JIG Cable URX (red) and UTX (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.
Resistor
R2
R3
R4
R7
59
KX-TG2873BXS/KX-TGA280BXS
Old value (kΩ) New value (kΩ)
22 3.3
22 3.3
22 4.7
4.7 10