DOWNLOAD Panasonic KX-TS2352UAB / KX-TS2352UAC / KX-TS2352UAJ / KX-TS2352UAW Service Manual ↓ Size: 1.44 MB | Pages: 32 in PDF or view online for FREE

Model
KX-TS2352UAB KX-TS2352UAC KX-TS2352UAJ KX-TS2352UAW
Pages
32
Size
1.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / INTEGRATED TELEPHONE SYSTEM
File
kx-ts2352uab-kx-ts2352uac-kx-ts2352uaj-kx-ts2352ua.pdf
Date

Panasonic KX-TS2352UAB / KX-TS2352UAC / KX-TS2352UAJ / KX-TS2352UAW Service Manual ▷ View online

9
KX-TS2352UAB/KX-TS2352UAC/KX-TS2352UAJ/KX-TS2352UAW
4.2.3.
Power Circuit and Redial Back-up Circuit
Function:
This set is powered from the line. When it is an OFF-HOOK status, Tel Line 
→ D17 → Q1 → R9 → Pin 27 of IC1 (to become the
power supply for IC1 speech network).
The voltage from the line is turned into a constant voltage by D2 and then supplied to the IC1, reset circuit.
Through Tel Line 
→ R1 → R3 → D17 → D21 → R14 to become the power supply for IC1, and the redial Back-up will be done.
10
KX-TS2352UAB/KX-TS2352UAC/KX-TS2352UAJ/KX-TS2352UAW
5 Location of Controls and Components
5.1.
Controls
6 Installation Instructions
6.1.
Connections
11
KX-TS2352UAB/KX-TS2352UAC/KX-TS2352UAJ/KX-TS2352UAW
7 Operation Instructions
7.1.
Troubleshooting
12
KX-TS2352UAB/KX-TS2352UAC/KX-TS2352UAJ/KX-TS2352UAW
8 Troubleshooting Guide
8.1.
Service Hints
8.2.
Pulse Dialing Problems
SYMPTOM
CURE
No Tone Dialing
Check IC1, Q1, Q2, Q7, C22 and VR1.
Dead
Check IC1, Q1, Q2, Q7 and D17.
Rings, no dial tone, no pulse or tone dial
Check Q1, Q2, Q7, D17 and Q3.
No rings
Check C1, R2, IC2 and LED.
No volume Handset
Check IC1, VR1, C15 and C22.
Buttons stick under upper cabinet assembly. From key board
Adjust the setting of buttons.
No pulse dial
Check Q1, Q2, Q7 and IC1.
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