Panasonic KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW Service Manual ▷ View online
2 FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
5
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW
3 OPERATING INSTRUCTIONS
3.1. Location of Controls
3.2. Connection
3.3. Troubleshooting
6
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW
4 DISASSEMBLY INSTRUCTIONS
Shown in Fig —.
To remove —.
Remove —.
1
Cabinet Cover
Screws (2.6 × 10).............. (A) × 5
2
P.C. Boards
Remove the P.C.Boards
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KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW
5 TROUBLESHOOTING GUIDE
5.1. Service Hints
SYMPTOM
CURE
No Tone Dialing
Check IC1, Q2, Q1, C22 and VR1.
Dead
Check IC1, Q2, Q1 and D17.
Rings, no dial tone, no pulse or tone dial
Check Q1, Q2, D17, Q3 and IC1.
No rings
Check C1, R2 and IC2.
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 and IC1.
5.2. Pulse Dialing Problems
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KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW
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