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KX-TG6711RU/KX-TG6712RU/KX-TG6721RU/KX-TG6722RU/KX-TG6711CA/KX-TG6712CA/KX-TG6721CA/KX-TG6722CA/KX-TG6711UA/KX-TG6712UA/KX-TG6721UA/KX-TGA671RU
(I)
Transmitted Power
Confirmation
-
Short Antenna pattern to GND.
1. Configure the DECT tester (CMD60) as follows;
<Setting>
• Test mode: PP
• RFPI: 0102030405
• Traffic Carrier: 5
• Traffic Slot: 4
• Mode: Loopback
• RF LEVEL = -70 dBm
• PACKET: PP32Z
• RFPI: 0102030405
• Traffic Carrier: 5
• Traffic Slot: 4
• Mode: Loopback
• RF LEVEL = -70 dBm
• PACKET: PP32Z
2. Execute the command “sendchar TST 01 02 03 04 05".
3. Initiate connection from DECT tester.
4. Confirm that the NTP value at ANT is 19 dBm ~ 25 dBm.
3. Initiate connection from DECT tester.
4. Confirm that the NTP value at ANT is 19 dBm ~ 25 dBm.
IC1,
C802~C806,
C820, C822,
C825~C826,
C820, C822,
C825~C826,
DA801, R806,
R807, C810,
C811, C813,
L809,
C826, C863,
C864
(J)
Modulation Check and
Adjustment
-
Follow steps 1 to 3 of (I).
4.Confirm that the B-Field Modulation is -350 ± 50/+350 ± 50 kHz/div using data
type Fig 31.
type Fig 31.
Refer to (I)
(K)
Frequency Offset
Confirmation
-
Follow steps 1 to 3 of (I).
4.Confirm that the frequency Offset is < ± 20 kHz.
Refer to (I)
(L)
Sensitivity Receiver
Confirmation
-
Follow steps 1 to 3 of (I).
4.Set DECT tester power to -88 dBm.
5.Confirm that the BER is < 1000 ppm.
5.Confirm that the BER is < 1000 ppm.
Refer to (I)
(M)
Power RAMP
Confirmation
-
Follow steps 1 to 3 of (I).
4.Confirm that Power RAMP is matching.
Refer to (I)
(N)
Audio Check and
Confirmation
-
1. Link to BASE which is connected to Line Simulator.
2. Set line voltage to 48 V and line current to 50 mA.
3. Input -45 dBm (600
2. Set line voltage to 48 V and line current to 50 mA.
3. Input -45 dBm (600
Ω)/1 kHz to MIC of Handset. Measure the Level at Line I/F
and distortion level.
4. Confirm that the level is -0.5 dBm ± 5 dB and that the distortion level is < 5 %
at TEL Line (600
Ω Load).
5. Input -20 dBm (600
Ω)/1 kHz to Line I/F. Measure the Level at Receiver of
Handset and distortion level (Receive volume set to second position from
minimum).
minimum).
6. Confirm that the level is -25.5 dBm ± 4 dB and that the distortion level is < 5 %
at Receiver (34
Ω Load).
IC1, C12,
R27, RA4,
C11, C13,
R28, MIC,
R23, C70,
R23, C70,
C71, D21, D22
(O) SP phone Audio Check
and Confirmation
-
1. Link to Base which is connected to Line Simulator.
2. Set line voltage to 48 V and line current to 50 mA.
3. Set the handset off-hook using SP-Phone key.
4. Input -30 dBm (600
2. Set line voltage to 48 V and line current to 50 mA.
3. Set the handset off-hook using SP-Phone key.
4. Input -30 dBm (600
Ω)/1 KHz to Line I/F and measure Receiving level at SP+
and SP-.
5. Confirm that the level is -6 dBm ± 3 dB and that the distortion level is < 5 %.
(vol = Max at SP (8
Ω Load))
IC1, C12,
D13, D14,
MIC, C11,
C13, RA4,
R27, R28, R5,
C72, C73,
C77, C78,
R77, R76,
R23, C98,
C77, C78,
R77, R76,
R23, C98,
C99
(P)
Charge Pump 3.0 V
Supply Confirmation
CP3V
1. Confirm that the voltage between testpoint CP3.0V and GND is 3.0 V ± 0.3 V. C30, C53, C54
(Q) Charge Pump CP_LED
3.0V Supply
Confirmation
CP_LED
1. Confirm that the voltage between testpoint CP_LED and GND is 3.0 V ± 0.3 V.
(Power is supplied when LED in on)
C52, C55, C29
(R)
Charge Pump CP2.8V
Supply Confirmation
CP2.8V
1. Confirm that the voltage between testpoint CPV2.8V and GND is 2.8V ± 0.3 V.
C30, C53,
C54, D3, C51
Items
Check
Point
Procedure
Check or
Replace Parts
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