Panasonic KX-TG1105RUJ / KX-TG1105RUM / KX-TG1106RUM / KX-TGA110RUJ / KX-TGA110RUM Service Manual ▷ View online
7.3.2. Handset
Cross Reference
Power Supply Circuit/Reset Circuit (P.48)
Check Point (Handset) (P.33)
Note:
(*1) Refer to TROUBLESHOOTING BY SYMPTOM (HANDSET) (P.33).
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KX-TG1105RUJ / KX-TG1105R UM / KX-TG1106R UM / KX-TGA110RUJ / KX-TGA110RUM
Cross Reference:
Telephone Line Interface (P.46)
Check Link (P.20)
HOW TO CHECK THE HANDSET SPEAKER (P.40)
Note:
BBIC is IC4.
7.4. Check Handset Transmission
Cross Reference:
SIGNAL ROUTE (P.50)
7.5. Check Handset Reception
Cross Reference:
HOW TO CHECK THE HANDSET SPEAKER (P.40).
SIGNAL ROUTE (P.50)
7.6. Check Caller ID
Cross Reference:
SIGNAL ROUTE (P.50)
7.7. Bell Reception
7.7.1. Handset
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KX-TG1105RUJ / KX-TG1105R UM / KX-TG1106R UM / KX-TGA110RUJ / KX-TGA110RUM
8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND
CHARGER UNIT)
If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester
(*1) or not.
(*1) or not.
Note:
(*1) A general repair is possible even if you don’t have the DECT tester because it is for confirming the levels, such as Acoustic
level in detail.
level in detail.
(*2) Refer to Check Point (Base Unit) (P.23)
8.1. Check Point (Base Unit)
Please follow the items below when BBIC or EEPROM is replaced.
Note:
After the measuring, suck up the solder of TP.
*: PC Setting (P.28) is required beforehand.
The connections of simulator equipments are as shown in Adjustment Standard (Base Unit) (P.30).
Items
Adjustment
Point
Procedure
Check or
Replace Parts
(A)
2.65V Supply
Confirmation
-
1.
Confirm that the voltage between TP187 and GND is 2.65V ± 0.2V.
IC2, Q8, C23,
C24, C25,
C31, C26,
C27, C38,
C31, C26,
C27, C38,
R33, R36, D5,
C41, R41,
R42, Q9, C40,
D4, X1, C32,
C33, C36, C37
(B)
4.0V Supply
Confirmation
-
1.
Confirm that the voltage between TP91 and GND is 4.0V ± 0.2V.
D4, C40, Q9,
R41, R42,
C41, D5, C75,
C78, C69,
C66, C67,
C66, C67,
C76, IC3
(C)
VBACK Status
Confirmation
-
1.
Confirm that the voltage between J102 and GND is 0V ± 0.4V.
IC2, Q8, C23,
C24, C25,
C31, C26,
C27, C38,
C31, C26,
C27, C38,
R33, R36, D5,
C41, R41,
R42, Q9, C40,
D4, R33, X1,
C32, C33
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KX-TG1105RUJ / KX-TG1105R UM / KX-TG1106R UM / KX-TGA110RUJ / KX-TGA110RUM
Items
Adjustment
Point
Procedure
Check or
Replace Parts
(D)*
BBIC Confirmation
-
1.
BBIC Confirmation (Execute the command “getchk”).
2.
Confirm the returned checksum value.
Connection of checksum value and program number is shown below.
IC2, X1, C32,
C33
(E)*
BBIC Clock
Confirmation and
Adjustment (Important)
TP1
1.
Execute the command “deactmac”.
2.
Execute the command “conttx”.
3.
Check X´tal Frequency. (*3)
(10.368 MHz ± 100Hz)
4.
Input Command “rdeeprom 00 00 02”, then you can confirm the current value.
5.
Adjust the frequency of TP1 executing the command “setfreq 00 xx (where xx
is the value)” so that the reading of the frequency counter is 10.368000MHz ±
10Hz.
is the value)” so that the reading of the frequency counter is 10.368000MHz ±
10Hz.
IC2, IC3, L1,
C48, X1, C32,
C33, L5
(F)* Hookswitch Check with
DC Characteristics
-
1.
Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600
Ω
.
2.
Set line voltage to 48V at on-hook condition and line current to 40mA at off-
hook condition of normal telephone.
hook condition of normal telephone.
3.
Execute the command “hookoff”.
4.
Confirm that the line current is 40mA ± 5mA.
5.
Execute the command “hookon”.
6.
Confirm that the line current is 0mA + 2mA.
IC2, R7, R8,
R9, R10, R77,
Q2, Q3, D2,
C1, C2
(G)* DTMF Generator Check
-
1.
Connect J1 (Telephone Socket) to DTMF tester.
2.
Execute the command “hookoff” and “dtmf_up”.
3.
Confirm that the high frequency (1477.06Hz) group is -3 ± 2dBm.
4.
Execute the command “dtmf_lo”.
5.
Confirm that the low frequency (852.05Hz) group is -6 ± 2dBm.
IC2, R32, C22,
R23, C80,
C14, C13, Q6,
R22, R21,
R19, R20,
R19, R20,
C12, D2, C1,
C2, R77, D3,
R12, Q2, R7,
R8, R9, R10,
C2, R77, D3,
R12, Q2, R7,
R8, R9, R10,
Q3
(H)*
Transmitted Power
Confirmation
-
Remove the Antenna before starting steps from 1 to 5.
1.
1.
Configure the DECT tester (CMD60) as follows;
<Setting>
·
Short TP10 and GND
(After the checking, disconnect the wiring between them.)
·
Test mode: FP
·
Traffic Channel: 5
·
Traffic Slot: 4
·
Mode: Loopback
·
PMID: 00000
2.
Execute the command “testmode”.
3.
Initiate connection from DECT tester. (“set up connect”)
4.
Execute the command “ANT 1”.
5.
Confirm that the NTP value at ANT is 20dBm ~ 25dBm.
IC2, IC3, L1,
C43, C78,
C75, C69,
C48, C72,
C66, C67,
C76, C57,
C75, C69,
C48, C72,
C66, C67,
C76, C57,
C73, L3, DA1,
R66, R67,
C55, C56,
R78, R79,
C54, C58,
C55, C56,
R78, R79,
C54, C58,
C86, R38
(I)*
Modulation Check and
Adjustment
ANT
Follow steps 1 to 3 of (H) above.
4. Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/div using data
type Fig31.
type Fig31.
5. Adjust the B-Field Modulation if required. (Execute the command “readmod”
and “wrtmod xx”, where xx is the value.)
and “wrtmod xx”, where xx is the value.)
IC2, IC3, L1,
C43, C78,
C75, C69,
C48, C72,
C66, C67,
C76, C57,
C75, C69,
C48, C72,
C66, C67,
C76, C57,
C73, L3, DA1,
R66, R67,
C55, C56,
R78, R79,
C54, C58,
C55, C56,
R78, R79,
C54, C58,
C86, R38
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KX-TG1105RUJ / KX-TG1105R UM / KX-TG1106R UM / KX-TGA110RUJ / KX-TGA110RUM
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