
Adjustment
Items
Test
Mode
Adjustment
Point
Procedure
(A
)
Battery Low
Confirmation
3ch
Talk
-
1. Adjust the power supply voltage to DC3.60V,and confirm so that the reading of
oscillosope is High.
2. Adjust that power supply voltage to DC 3.40V, and confirm so that the reading of
oscilloscope is Low.
(B
)
TX VCO
Voltage
3ch
Talk
T6
1. Adjust T6 so that the reading of the Digital Voltmeter is 1.5V ± 0.1V.
(C
)
RX VCO
Confirmation
3ch
Talk
-
-
Confirm RX VCO voltage so that the reading of the Digital Voltmeter is 1.65V ±
0.85V.
(D
)
TX Frequency
Adjustment
3ch
Talk
VC1
-
Confirm so that the reading of the frequency counter is 49.860MHz ± 0.1KHz.
(E
)
TX Power
Adjustment
3ch
Talk
T5
-
Output level should be over 2.5mW 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 100mV ± 20mV.
(distortion: less than 7%) (volume High).
(I) Mic
Modulation
Factor
Confirmation
3ch
Talk
-
1. Apply a MIC signal (1KHz, 12mV at 600
load).
2. Confirmation so that the reading FM Deviation Meter is 3.1KHz ± 0.4KHz.
(J) Data
Modulation
Confirmation
3ch
Talk
-
-
Confirm for 5KHz ± 1KHz FM Deviation Meter reading.
The connections of adjustment equipment are as shown in
Adjustment Standard (Handset)
().
SSG Frequency: 43.820 MHz
9.4. Adjustment Standard (Handset)
(Component View)
Note: (A) - (I) is refered to
ADJUSTMENTS (HANDSET)
()
(Flow Solder Side View)
26
Summary of Contents for KX-TC1201BXB
Page 3: ...1 BATTERY 1 1 Recharge 1 2 Battery information 3 ...
Page 4: ...2 BATTERY REPLACEMENT 3 LOCATION OF CONTROLS 3 1 Base Unit 4 ...
Page 5: ...3 2 Handset 5 ...
Page 6: ...4 CONNECTION 6 ...
Page 9: ...5 OPERATIONS 5 1 Making Calls 5 2 Answering Calls 9 ...
Page 10: ...5 3 Storing Phone Numbers in Memory 5 4 Storing a Phone Number in the DIRECT Button 10 ...
Page 11: ...5 5 Dialing a Stored Number 5 6 Dialing a Stored Number in the DIRECT Button 11 ...
Page 12: ...5 7 FLASH Button 6 DISASSEMBLY INSTRUCTIONS 12 ...
Page 28: ...28 ...
Page 30: ... The channel is changed if the noise interferes with the conversation 13 2 Ringing 30 ...
Page 31: ...13 3 Changing the Channel 31 ...
Page 43: ...Fig 6 18 CPU DATA Base Unit 18 1 IC2 43 ...
Page 44: ...19 CPU DATA Handset 19 1 IC2 44 ...
Page 45: ...20 HOW TO REPLACE FLAT PACKAGE IC 20 1 Preparation SOLDER 45 ...
Page 48: ...22 CABINET AND ELECTRICAL PARTS LOCATION HANDET 48 ...
Page 49: ...23 ACCESSORIES AND PACKING MATERIALS 49 ...
Page 69: ...IC5 KX TC1201BXB BXW BXS BXF CIRCUIT BOARD Component View Base Unit ...
Page 71: ...IC2 150Ω AF Volt Meter H Oscilloscope G Noise Squelch A Battery Low 47µF AF Generator ...