table.
Symptom
Remedy*
The movement of Battery Low Indicator is wrong.
Make confirmation in item
The base unit does not respond to a call from the handset.
Make adjustments in item
The base unit does not transmit or the transmit frequency is off.
Make adjustments in item
The transmit frequency is off.
Make confirmation in item
The transmit power output is low, and the operating distance between
the base unit and
the Handset is less than normal.
Make confirmation in item
The reception sensitivity of base unit is low with noise.
Make confirmation item (F
Does not link between the base unit and the handset.
Make confirmation in item
The reception level is high or low.
Make confirmation item (H
The transmit level is high or low.
Make adjustments in item
*: Refer to
Adjustment
().
Unit condition:
CH
TX Frequency
RX Frequency
CH3
39.9875MHz
31.0875MHz
9.1. Test Mode Flow Chart (Handset)
21
Summary of Contents for KX-TC1200NLB
Page 3: ...2 BATTERY REPLACEMENT 3 LOCATION OF CONTROLS 3 1 Base Unit 3 ...
Page 4: ...3 2 Handset 4 ...
Page 5: ...4 CONNECTION 5 ...
Page 7: ...5 2 Answering Calls 5 3 Storing Phone Numbers in Memory 7 ...
Page 8: ...5 4 Storing a Phone Number in the DIRECT Button 5 5 Dialing a Stored Number 8 ...
Page 9: ...5 6 Dialing a Stored Number in the DIRECT Button 5 7 Recall Button 9 ...
Page 10: ...6 DISASSEMBLY INSTRUCTIONS 10 ...
Page 25: ...25 ...
Page 27: ... The channel is changed if the noise interferes with the conversation 13 2 Ringing 27 ...
Page 28: ...13 3 Changing the Channel 28 ...
Page 38: ...Fig 4 Fig 5 38 ...
Page 40: ...19 CPU DATA Handset 19 1 IC2 40 ...
Page 41: ...20 HOW TO REPLACE FLAT PACKAGE IC 20 1 Preparation SOLDER 41 ...
Page 44: ...22 CABINET AND ELECTRICAL PARTS LOCATION HANDET 44 ...
Page 45: ...23 ACCESSORIES AND PACKING MATERIALS 45 ...
Page 61: ...IC5 KX TC1200NLB CIRCUIT BOARD Component View Base Unit ...
Page 63: ...IC2 150Ω AF Volt Meter H Oscilloscope G Noise Squelch A Battery Low 47µF AF Generator ...