25
KX-TG1711MEB/KX-TG1712MEB/KX-TGA171MEB
(
F
)* 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 -6.0 ± 2dBm.
4. Execute the command “dtmf_low”.
5. Confirm that the low frequency (852.05Hz) group is -8.0 ± 2dBm.
IC3, R2, C4,
C5, R7, R9,
R10, C9, Q1,
R6, R12, D1,
Q3, R26, R22,
Q2, C45, C21,
R18, R15, D2,
C30, C31
(
G
)* Transmitted Power
Confirmation
-
Remove the Antenna before starting steps from 1 to 5.
1. Configure the DECT tester (CMD60) as follows;
<Setting>
• 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 “ANT2”.
5. Confirm that the NTP value at ANT is 19dBm~25dBm.
IC3, C813,
C807, C819,
C826, D801,
C817, D6,
C39, C38,
R802, C823,
C803, C44,
C806, C802,
C804
(
H
)* Modulation Check and
Adjustment
ANT
Follow steps 1 to 3 of
(G)
.
4. Confirm that the B-Field Modulation is -350±50kHz/div, +350±50kHz/div using
data type Fig31.
IC3, C813,
C807, C819,
C826, D801,
C817, D6,
C39, C38,
R802, C823,
C803, C44,
C806, C802,
C804
(
I
)* Frequency Offset Check -
Follow steps 1 to 3 of
(G)
.
4. Confirm that the frequency offset is -50kHz ~ +50kHz.
IC3, C813,
C807, C819,
C826, D801,
C817, D6,
C39, C38,
R802, C823,
C803, C44,
C806, C802,
C804
(
J
)* Sensitivity Receiver
Confirmation
-
Follow steps 1 to 3 of
(G)
.
4. Set DECT tester power to -84dBm.
5. Confirm that the BER is < 1000ppm.
IC3, C830,
C820, D801,
C817, D6,
C39, C38,
R801, C821,
C803, C44,
C806, C802,
C804
(
K
)* Timing Confirmation
-
Follow steps 1 to 3 of
(G)
.
4. Confirm that the Timing accuracy is < ± 2.0ppm.
IC3, C813,
C807, C819,
C826, D801,
C817, D6,
C39, C38,
R802, C823,
C803, C44,
C806, C802,
C804
(
L
)* RSSI Level Confirmation -
Follow steps 1 to 3 of
(G)
.
4. Set DECT tester power to -70dBm.
5. Execute the command “readrssi”.
6. Confirm: 25 < returned value < 43 (hex) (0E ± A (hex))
IC3, C813,
C807, C819,
C826, D801,
C817, D6,
C39, C38,
R802, C823,
C803, C44,
C806, C802,
C804
(
M
) Charging Check
-
1. Connect Charge Contact 12
Ω
/2W resistor between and charge-.
2. Measure and confirm voltage across the resistor is 3.0V ± 0.2V.
F1, C58, C60
R39, C61, C40
Items
Adjustment
Point
Procedure
Check or
Replace Parts
