
Note: (A) - (I) is refered to
ADJUSTMENTS (HANDSET)
()
10. RF SPECIFICATION
10.1. Base Unit
Item
Value
Refer to -.*
Remarks
TX Frequency
43.820 MHz ± 0.1kHz
ADJUSTMENTS (BASE UNIT)
(C) at CH3
TX Power
0.25mW ± 0.1mW (3CH)
ADJUSTMENTS (BASE UNIT)
(D) at CH3
Line Modulation factor
2.7 kHz~3.5 kHz
ADJUSTMENTS (BASE UNIT)
(G)
Line Modulation factor
(Max.)
4.5 kHz~8.5 kHz
—
Data Modulation factor
3 kHz~7 kHz
—
Line Output level
600mV ± 200mV
—
*: Refer to
Adjustment
().
10.2. Handset
Item
Value
Refer to -.**
Remarks
TX Frequency
49.860 MHz ± 0.1kHz
ADJUSTMENTS (HANDSET)
(D) at CH3
TX Power
2.5mW ± 0.5mW (3CH)
ADJUSTMENTS (HANDSET)
(E) at CH3 (Antenna
soldering point
50 Load)
Data Modulation factor
4.0 kHz/dev~6.0 kHz/
dev
ADJUSTMENTS (HANDSET)
(J) at CH3
MIC Modulation factor
2.7 kHz/dev~3.5 kHz/
dev
ADJUSTMENTS (HANDSET)
(I) at CH3 (MIC
terminal
12mV Input)
SP Output level
100mV ± 20mV
—
**: Refer to
Adjustment
().
11. HOW TO CHECK THE HANDSET SPEAKER
1. Prepare the digital voltmeter, and set the selector knob to ohm
meter.
2. Put the probes at the speaker terminals as shown below.
27
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 ...