Adjustment
Items
Test
Mode
Adjustment
Point
Procedure
(A
)
Battery Low
Confirmation
3ch
Talk
-
1. Apply 3.50V between BATT(+) and BATT(-).
2. Confirm that there is no flashing of RECHARGE LED.
3. Apply 3.40V between BATT(+) and BATT(-).
4. Confirm that there is flashing of RECHARGE LED.
(B
)
TX VCO
Adjustment
3ch
Talk
T6
1. Adjust T6 so that the reading of the Digital Voltmeter is 1.5V ± 0.2V.
(C
)
RX VCO
Confirmation
3ch
Talk
-
1. Set S2 to RX VCO side.
2. The reading of the Digital Voltmeter is 0.8V ~ 3.0V.
(After adjusting, set S2 to OFF).
(D
)
TX Frequency
Adjustment
3ch
Talk
VC1
-
Confirm so that the reading of the frequency counter is 49.860MHz ± 100Hz.
(E
)
TX Power
Confirmation
3ch
Talk
-
-
Confirm output level should be over -2dBm on RF VTVM (50 load).
(F) RX
Sensitivity
Confirmation
(2nd IF
output)
3ch
Talk
T3
1. Apply -60dBm output from S.S.G. (modulation frequency 1KHz, dev. 0KHz).
2. Confirm 2nd IF output so that the reading of RF VTVM is more than 15mV.
(G
)
Noise
Squelch
Confirmation
3ch
Talk
-
1. Measure the SSG output level when the noise squelch changes from Low to
High. (modulation frequency 1KHz, dev.3kHz)
2. Confirm that the SSG output level is -105dBm.
(H
)
Speaker
Output Level
Confirmation
3ch
Talk
-
1. Apply -60dBm output from S.S.G. (modulation frequency 1KHz, dev. 3KHz).
2. Confirm that SP output level is more than 60mV.
(distortion: less than 5%) (volume High).
(I) Mic
Modulation
Factor
Confirmation
3ch
Talk
-
1. Apply a MIC signal (1KHz, 2.4mV at 600 load).
2. Confirmation so that the reading FM Deviation Meter is 2.0KHz ± 0.5KHz.
(J) Data
Modulation
Confirmation
3ch
Talk
-
-
Confirm for 4.0KHz ~ 6.0KHz FM Deviation Meter reading.
The connections of adjustment equipment are as shown in
Adjustment Standard (Handset)
().
SSG Frequency: 46.670 MHz
12.4. Adjustment Standard (Handset)
When connecting the Simulator and Equipments for checking, please refer to the illustration
below.
(Component View)
27
Содержание KX-TC2000SNB
Страница 5: ...4 2 Battery information 5 BATTERY REPLACEMENT 5 ...
Страница 6: ...6 LOCATION OF CONTROLS 6 1 Base Unit 6 ...
Страница 7: ...6 2 Handset 7 ...
Страница 8: ...7 CONNECTION 8 ...
Страница 10: ...8 OPERATIONS 8 1 Making Calls 10 ...
Страница 11: ...8 2 Answering Calls 8 3 Storing Phone Numbers in Memory 11 ...
Страница 12: ...8 4 Storing a Phone Number in the DIRECT Button 8 5 Dialing a Stored Number 12 ...
Страница 13: ...8 6 Dialing the Stored Number in the DIRECT Button 8 7 Flash Button 13 ...
Страница 26: ...Note Refet to CIRCUIT BOARD Handset Signal Route 12 2 How to change the channel 12 3 Adjustment 26 ...
Страница 29: ...29 ...
Страница 31: ... The channel is changed if the noise interferes with the conversation 16 2 Ringing 31 ...
Страница 32: ...16 3 Changing the Channel 32 ...
Страница 45: ...Fig 6 21 CPU DATA Base Unit 21 1 IC2 45 ...
Страница 46: ...22 CPU DATA Handset 22 1 IC2 46 ...
Страница 47: ...23 RF IC Base Unit and Handset 23 1 IC1 47 ...
Страница 50: ... BASE UNIT 26 CABINET AND ELECTRICAL PARTS LOCATION HANDET 50 ...
Страница 51: ...27 ACCESSORIES AND PACKING MATERIALS 51 ...
Страница 66: ...33 2 Flow Solder Side View G KXTC2000SNB KXTC2000SNS 66 ...
Страница 74: ...IC5 JK1 Marked ...
Страница 75: ...IC2 DPX1 Marked ...