KX-TCA285RU - Panasonic Telephone Service Manual (repair manual). Page 45

45

This chapter explains the measuring equipment, the JIG connection, and the PC setting method necessary for the measurement in
Troubleshooting Guide

• 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)
• DECT tester: Rohde & Schwarz, CTS 60 is recommended.

<Preparation>

• Serial JIG cable: PSZZ1TD7896M
• PC which has “Flash Program.exe”

1. Connect the DC Power or Battery to BATT+ and BATT-.
2. Connect the JIG cable  to CN100.

R401

DOUT3V

R402

R403

R210

R216 R217

R218

R219

R602

R603

R605

R606

R607

R220

3.0V

CHG+

MIC

-

MIC+

CHG

-

GND_J

C201

C202

C203

C204

TH

RA101

C206

C207

C210

RA301

C211

BT3.0V

C213

C215

C216

C217

C218

C601

C223

C226

SPM

SPP

D203

TCK

URX

TDI

TDO

IC201

IC202

IC203

IC205

IC401

UTX

Q521

Q523

MIC+

Q524

MIC-

Q527

Q528

IC601

Q540

R104

R106

R304

R305

R306

CN100

VIB

BLK

R505

R506

R507

R120

R509

L2

R510

R511

R514

RTCK

R517

CN500

C101

C102

C104

C105

C106

C107

C108

C109

C301 C302

C110

C111

C112

C113

C114

C115

C116

C117

C118

C119

VDDC

TMS

R540

C

RA401

R541

C311

R542

C312

R543

C313

F201

OF1

OF2

D300

D301

BATT

BATT+

2.5A

BATT-

L200

L201

Q601

Q602

IC100

IC101

IC102

CKM

D540

C11

R201

R204

GND

R205

R206

R207

R208

R209

C331

R122

R321

R123

R124 R121

R125

A

RED

DC3.8䌶 Power

or Battery

* : COM port names may vary 

    depending on what your PC calls it .