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Model
KX-TS2350RUB KX-TS2350RUC KX-TS2350RUH KX-TS2350RUR KX-TS2350RUW
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34
Size
605.14 KB
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Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
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kx-ts2350rub-kx-ts2350ruc-kx-ts2350ruh-kx-ts2350ru.pdf
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Panasonic KX-TS2350RUB / KX-TS2350RUC / KX-TS2350RUH / KX-TS2350RUR / KX-TS2350RUW Service Manual ▷ View online

9 TROUBLE SHOOTING GUIDE
9.1. Service Hints
SYMPTOM
CURE
No Tone Dialing
Check IC1, Q2, Q1, C22 and R24.
Dead
Check IC1, Q2, Q1 and D17.
Rings, no dial tone, no pulse or tone dial
Check Q1, Q2, Q7, D17 and Q3.
No rings
Check C1, R2, D4 and IC1.
No volume Handset
Check IC1, R24, C15 and C22.
Buttons stick under upper cabinet assembly. From key board
Adijust the setting of buttons.
No pulse dial
Check Q1, Q2 and IC1.
9.2. Pulse Dialing Problems
10
KX-TS2350RUB / KX-TS2350RUC / KX-TS2350RUH / KX-TS2350RUR / KX-TS2350RUW
9.3. Problems With the Handset
9.4. Tone Dialing Problems
11
KX-TS2350RUB / KX-TS2350RUC / KX-TS2350RUH / KX-TS2350RUR / KX-TS2350RUW
9.5. Problems With Ringer
9.6. How to Check the IC1 (Scanning to the key)
12
KX-TS2350RUB / KX-TS2350RUC / KX-TS2350RUH / KX-TS2350RUR / KX-TS2350RUW
9.7. Bell Ringing Problem and Volume Level Problem
When Ringer Pattern or Volume Level are not the default setting, please follow steps 1 to 5.
1. Remove the telephone line from the unit.
2. Short VDD and VSS with lead wire. (See Fig.1)
3. Plug into the telephone line.
4. Lift the handset off the unit, and confirm to hear the tone dialing. Then hang up the handset on the unit (ON-HOOK).
5. Send the Bell signal to the unit (Making a call), and confirm it normal call.
R25
R19
R5
R6
C5
R31
R14
R4
R8
D3
R7
FL
T4
R28
R17
RI+
R11
R45
R18
TP1
TP6
C21
R22
R23
C31
R52
R24
JP19
JP18
JP17
JP14
JP23
JP15
JP16
JP24
JP20
JP21
JP22
JP25
R37
R32
R43
R38
R26
R15
RING
R16
R3
R1
R47
JP26
JP28
R29
R20
C27
C13
C19
C12
C18
C23
R51
R21
C24
SP+
SP-
SP-
MC-
12
3
1
28
25
20
R10
VSS
FLT1
15
A
5
1
SP+
MC-
MC+
MC+
C30
C3
FLT3
FLT6
C25
G
Y
Q4
TP4
TIP
TP3
TP5
D17
TP2
B
C
E
FLT5
FLT2
VDD
BLACK
RI-
RED
1
1
3
4
RINGER1
VSS
VDD
<Fig.1>
13
KX-TS2350RUB / KX-TS2350RUC / KX-TS2350RUH / KX-TS2350RUR / KX-TS2350RUW
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