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Model
KX-TG1611RUF KX-TG1611RUH KX-TG1611RUJ KX-TG1611RUR KX-TG1611RUW KX-TG1612RU1 KX-TG1612RU3 KX-TG1612RUH KX-TGA161RUF KX-TGA161RUH KX-TGA161RUJ KX-TGA161RUR KX-TGA161RUW
Pages
65
Size
2.14 MB
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PDF
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Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS PHONE
File
kx-tg1611ruf-kx-tg1611ruh-kx-tg1611ruj-kx-tg1611ru.pdf
Date

Panasonic KX-TG1611RUF / KX-TG1611RUH / KX-TG1611RUJ / KX-TG1611RUR / KX-TG1611RUW / KX-TG1612RU1 / KX-TG1612RU3 / KX-TG1612RUH / KX-TGA161RUF / KX-TGA161RUH / KX-TGA161RUJ / KX-TGA161RUR / KX-TGA161RUW Service Manual ▷ View online

26
KX-TG1611RU/KX-TG1612RU/KX-TGA161RU
9.2.2.
Check Point (Charger Unit)
Note:
After the measuring, suck up the solder of TP.
The connection of adjustment equipment are as shown in Adjustment Standard (Charger Unit) (P.37).
(N)* Audio Check
-
1. Link with Handset which is connected to Line Simulator.
2. Set line voltage to 48V and line current to 50mA.
3. Input -45dBm(600
Ω)/1kHz to MIC of Handset. Measure the Level at Line I/F
and distortion level.
4. Confirm that the level is -5.5 ± 3dBm and that the distortion level is < 5% at TEL
Line (600
Ω Load).
5. Input -20dBm(600
Ω)/1kHz to Line I/F. Measure the level at Receiver of
Handset and distortion level (*Receive volume set to third position from
minimum).
6. Confirm that the level is -23.5 ± 3dBm and that the distortion level is < 5% at
Receiver (150
Ω Load).
Items
Adjustment 
Point
Procedure
Check or 
Replace Parts
(A) Charging Check
-
1. Connect Charge Contact 10
Ω/2W resistor between charge+ and charge-.
2. Measure and confirm voltage across the resistor is 2.8V ± 0.3V.
R1, F1
Items
Adjustment 
Point
Procedure
Check or 
Replace Parts
27
KX-TG1611RU/KX-TG1612RU/KX-TGA161RU
9.3.
Troubleshooting by Symptom (Handset)
If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester
(*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.
(*2) Refer to Check Point (Handset) (P.27)
9.3.1.
Check Point (Handset)
Please follow the items below when BBIC or EEPROM is replaced.
Note:
After the measuring, suck up the solder of TP.
*: PC Setting (P.38) is required beforehand.
The connections of simulator equipments are as shown in Adjustment Standard (Handset) (P.40).
Items
Adjustment 
Point
Procedure
Check or 
Replace Parts
(A) Battery Supply
Confirmation
-
1. Confirm that the consumption current is < 200mA, that is, there is no short
circuit.
C143, R102,
L104
C140, L103,
IC101
C141, R201,
C102, C135,
C120, C131
C803, C825,
C110, C802,
C804, C148,
D107, C109,
R121, C186
(B) VDDDCDC2 Supply
Confirmation
-
1. Confirm that the voltage between VDDDCDC2 and GND is 3.3V ± 0.3V.
IC103,  C140,
L103, R107,
IC101, C141,
R201, C102,
C135, C120
(C)* 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.
IC103, X101,
C122, C123,
C127
(D) Charge Control Check &
Charge Current Monitor
Check
-
1. Apply 6V between TP5(+) and TP6(-) with current limit of PSU to 250mA.
2. Confirm that the charge current is ON/OFF.
3. SW to decrease current limit of PSU to 75mA.
4. Confirm that the charge current is stable.
C101, C160,
R101, C161,
Q101, Q102,
C142, R108,
IC103
(E)* Charge Detection (OFF)
Check
-
1. Stop supplying 6V to TP5(+) and TP6(-).
2. Execute the command “charge”.
3. Confirm that the returned value is 00 (hex).
C101, C160,
R101, C161,
Q101, Q102,
C142, R108,
IC103
You have DECT Tester. 
(Model Number : CMD60)
Check item (A)-(C), (F)-(G).
Check item (A)-(C), (F)-(G).
Check item (A)-(C), (H).
Check item (A)-(C), (H)-(K), (M).
-
Check item (I), (L).
Check item (A)-(C), (H).
Check item (O).
Check item (A)-(C), (H)-(N).
Check item (O).
Remedy (*2)
Symptom
You don't have DECT Tester.
Battery strength is not indicated correctly by Battery icon.
You cannot hear the caller's voice.
You cannot use handset a little away from base unit  
even if the handset is within range of the base unit.
Does not link between base unit and handset.
The Audio level is high or low.
ex.)
checksum value
program number
011B
DCN2EA
28
KX-TG1611RU/KX-TG1612RU/KX-TGA161RU
(F)* Battery Monitor Check &
Adjustment (Important)
-
1. Apply 2.3V ± 0.005V between BATTERY (+) and BATTERY (-) with DC power.
2. Execute the command “deactmac” to stabilize the value.
3. Then, execute the command “readbatt”. The returned value is XX.
4. Confirm that XX is between 98 and A7.
98 < XX < A7 (Hex)
(If XX is out of range, change BBIC)
IC103, D107,
C148, C109
(G) Battery Low
Confirmation (Important)
-
1. Apply 2.40V between BATTERY (+) and BATTERY (-).
2. Confirm that there is no Speaker sound (Battery low alarm).
3. Apply 2.2V between BATTERY(+) and BATTERY(-).
4. Confirm that there is Speaker sound (Battery low alarm).
IC103, D107,
C148
C109, R121,
C186
R114, C114,
D104
Q104, Q105,
R116, R117,
BUZZER
(H)* BBIC Clock Adjustment
(Important)
P1.0
CLK
1. Apply 2.6V between BATTERY (+) and BATTERY (-) with DC power.
2. Execute the command “EnableClockOutput”.
3. Input Command “sfr", then you can confirm the current value.
4. Check X’tal Frequency. (10.368 MHz ± 100 Hz).
5. If the frequency is not 10.368 MHz ± 100 Hz, adjust the frequency of CLK
executing the command “setfreq xx xx (where xx is the value)” so that the
reading of the frequency counter is 10.368000 MHz ± 5 Hz.
Note:
* How to de-registration (link to base unit)
1) Push handset: menu 
→ # → 1 → 3 → 1
2) Push handset: 0 
→ 0 → 0 → 0
3) Select handset you want to de-regist.
After push OK. 
Register to it on Base Unit after measurement.
C127, C122,
C123, X101
(I)* Transmitted Power
Confirmation
ANT
Remove the Antenna before starting steps from 1 to 5.
1. Configure the DECT tester (CMD60) as follows;
<Setting>
• Test mode: PP
• RFPI: 0102030405
• Traffic Channel: 5
• Traffic  Slot:  4
• Mode: Loopback
2. Execute the command “testmode”.
3. Initiate connection from DECT tester.
4. Confirm that the NTP value at ANT is -19dBm ~ 25dBm.
IC103, C813,
C807, C819,
C826, D803,
C817, C149,
R802, C823,
C131, C803,
C825, C110,
C802, C804
(J)* Modulation Check
ANT
Follow steps 1 to 4 of (I).
4. Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/div using data
type Fig31.
IC103, C813,
C807, C819,
C826, D803,
C817, C149,
R802, C823,
C131, C803,
C825, C110,
C802, C804
(K)* Frequency Offset
Confirmation
-
Follow steps 1 to 4 of (I).
4. Confirm that the frequency offset is -50kHz ~ +50kHz.
IC103, C813,
C807, C819,
C826, D803,
C817, C149,
R802, C823,
C131, C803,
C825, C110,
C802, C804
(L)* Sensitivity Receiver
Confirmation
-
Follow steps 1 to 4 of (I).
4. Set DECT tester power to -85dBm.
5. Confirm that the BER is < 1000ppm.
IC103, C815,
C830, C820,
C821, R801,
D803, C817,
C149
(M)* Timing Confirmation
-
Follow steps 1 to 4 of (I).
4. Confirm that the Timing accuracy is < ± 2.0ppm.
IC103, C815,
C830, C820,
C821, R801,
D803, C817,
C149
(N)* RSSI Level Confirmation -
Follow steps 1 to 4 of (I).
4. Set DECT tester power to -70dBm.
5. Execute the command “readrssi”.
6. Confirm: 9 < returned value < 13 (hex) (0E ± 5 (hex))
IC103, C815,
C830, C820,
C821, R801,
D803, C817,
C149
Items
Adjustment 
Point
Procedure
Check or 
Replace Parts
29
KX-TG1611RU/KX-TG1612RU/KX-TGA161RU
(O) Audio Check and
Confirmation
-
1. Link with BASE which is connected to Line Simulator.
2. Set line voltage to 48V and line current to 50mA.
3. Input -45dBm(600
Ω)/1kHz to MIC of Handset. Measure the Level at Line I/F
and distortion level.
4. Confirm that the level is -5.5 ± 3dBm and that the distortion level is < 5% at TEL
Line (600
Ω Load).
5. Input -20dBm(600
Ω)/1kHz to Line I/F. Measure the level at Receiver of
Handset and distortion level (*Receive volume set to third position from
minimum).
6. Confirm that the level is -23.5 ± 3dBm and that the distortion level is < 5% at
Receiver (150
Ω Load).
Items
Adjustment 
Point
Procedure
Check or 
Replace Parts
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