Measurements And Adjustments; Equipment Required; The Setting Method Of Jig - Panasonic KX-TG3411BXH Service Manual

KX-TG3411BX/KX-TG3412BX/KX-TG3419BX/KX-TGA341BX

12 Measurements and Adjustments

This chapter explains the measuring equipment, the JIG connection, and the PC setting method necessary for the measurement in
Troubleshooting Guide (P.29)

12.1. Equipment Required

• Digital multi-meter (DMM): it must be able to measure voltage and current.
• Oscilloscope.
• Frequency counter: It must be precise enough to measure intervals of 1 Hz (precision; ±4 ppm)
Hewlett Packard, 53131A is recommended.

12.2. The Setting Method of JIG

<Preparation>
• Serial JIG cable: PQZZ1CD300E*
• PC which runs in DOS mode
• Batch file CD-ROM for setting: PNZZTG3411BX
12.2.1. Connections (Base Unit)
Connect the AC adaptor.
Connect the JIG Cable GND (black).
Connect the JIG Cable RX (red) and TX (yellow).
1
AC
adaptor
Note:
*: COM port names may vary depending on what your PC calls it.
URX
UTX
Base unit P. C. board
Note:
*: If you have the JIG Cable for TCD500 series
(PQZZ1CD505E),
resistance. 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
3
UTX (yellow)
3 URX (red)
GND 2
GND (black)
JIG Cable
44
change the following
Old value (kΩ) New value (kΩ)
22 3.3
22 3.3
22 4.7
4.7 10
To Serial Port
(COM port 1*)
PC
values of