Panasonic KX-TC1200NLB User manual

ORDERNO. KM40201774C2
Telephone Equipment
KX-TC1200NLB
Cordless Phone
Black Version
(for Holland)
SPECIFICATIONS
1

2002 Kyushu Matsushita ElectricCo., Ltd. All rights reserved.
Unauthorized copying and distribution isaviolation of law.
1. BATTERY
1.1. Recharge
1.2. Batteryinformation
2

2. BATTERY REPLACEMENT
3. LOCATION OF CONTROLS
3.1. Base Unit
3

3.2. Handset
4

4. CONNECTION
5

-USE ONLY WITHPanasonicAC ADAPTORPQLV16CEZ.
-The AC adaptor must remainconnected at all times.
(Itisnormal for the adaptor to feel warm during use.)
-When more than one unitisused, the units mayinterfere with each
other. To prevent or reduce interference, please leave ample
space between the base units.
-KX-TC1200NLBisnot designed to be used with rotary(pulse
dialling) services.
5. OPERATIONS
5.1. Making Calls
6

5.2. Answering Calls
5.3. Storing Phone Numbers inMemory
7

5.4. Storing aPhone Number inthe DIRECTButton
5.5. Dialing aStored Number
8

5.6. Dialing aStored Number inthe DIRECTButton
5.7. Recall Button
9

6. DISASSEMBLY INSTRUCTIONS
10

ShowinFig. To remove. Remove.
1LowerCabinet Screws (2.6 × 12)....................... (A) × 4
2 MainP.C. Board Screws (2.6 × 6)......................... (B) × 1
Screws (2.6 × 6)..........................(C) × 2
Screws (2.6 × 12)........................(D) × 1
MainP.C. Board.
ShowinFig. To remove. Remove.
3 RearCabinet Batterycompartment cover.
4Screws (2.6 × 12)......................(E) × 2
5 MainP. C. Board Screw(2.6 × 12)........................(F) × 1
Tape and solder.
MainP. C. Board.
7. TROUBLESHOOTING GUIDE
11

Cross Reference:
Check Power ()
Bell Reception ()
Check Battery Charge ()
Check Link ()
Check Handset Transmission ()
Check Handset Reception ()
7.1. Check Power
12

Cross Reference:
Reset Circuit (Base Unit) ()
Power Supply Circuit ()
Note:
CPU: IC2
Cross Reference:
Charge Circuit ()
Note:
CPU: IC2
*: Eachmeasurement points are shownin CIRCUIT BOARD (Base Unit) () or CIRCUIT BOARD
(Handset) ()
7.2. Bell Reception
13

Cross Reference:
Check Link ()
Telephone Line Interface ()
Note:
CPU: IC2
Cross Reference:
Check Link ()
-Incase of the following suffix, the bell might not stop even after
keywas pressed to answer the call.
Inthiscase, the Base Unitand the Handset might have been
mixed up at the customer side.
Therefore, each of these units shouldbe replaced to the original
ones which have the same suffix.
*: Eachmeasurement points are shownin CIRCUIT BOARD (Base Unit) () or CIRCUIT BOARD
(Handset) ()
7.3. Check BatteryCharge
14

Cross Reference:
Charge Circuit ()
Power Supply Circuit ()
Note:
CPU: IC2
Cross Reference:
Reset Circuit (Handset) ()
Note:
CPU: IC2
*: Eachmeasurement points are shownin CIRCUIT BOARD (Base Unit) () or CIRCUIT BOARD
(Handset) ()
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7.4. Check Link
**: Referto Adjustment ()
Note:
CPU: IC2
RFIC: IC1
*: Eachmeasurement points are shownin CIRCUIT BOARD (Base Unit) () or CIRCUIT BOARD
(Handset) ()
16

**: Referto Adjustment ().
Note:
CPU: IC2
RFIC: IC1
*: Eachmeasurement points are shownin CIRCUIT BOARD (Base Unit) () or CIRCUIT BOARD
(Handset) ()
17

7.5. Check Handset Transmission
Cross Reference:
Signal Route ()
7.6. Check Handset Reception
Cross Reference:
Signal Route ()
*: Eachmeasurement points are shownin CIRCUIT BOARD (Base Unit) () or CIRCUIT BOARD
(Handset) ()
8. ADJUSTMENTS (BASE UNIT)
If yourunit have belowsymptoms, adjust orconfirm eachitemusing remedycolumnfromthe
table.
Symptom Remedy*
The base unit dose not respond toa call fromhandset. Make adjustments in
item
The base unit dose not transmit orthe transmit frequencyis off. Make adjustments in
item
The transmit frequencyis off. Make confirmation in
item
The transmit poweroutput is low, and the operating distance between
the base unit and
the handset is less thannormal.
Make confirmation in
item
The reception sensitivityof base unit is lowwithnoise. Make confirmation in
item
The transmit level is high orlow. Make confirmation in
item
The reception level is high orlow. Make adjustments in
item
The unit does not link. Make confirmation in
item
*: Referto Adjustment ().
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8.1. Test Mode Flow Chart (Base Unit)
The operation-flowof Test mode and maincheck items are shownbelow.
Note:
**: Refer to the above table.
8.2. How to change the channel
*: Referto Flow Solder Side View ().
8.3. Adjustment
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Adjustment
Items Test Mode Adjustment
Point
*Procedure
(A
)RX VCO
Confirmation 3ch
Talk --Confirm so that thereading oftheDigital Voltmeter is1.5V± 0.5V.
(B
)TX VCO
Adjustment 3ch
Talk T6 -Adjust T6so that thereading oftheDigital Voltmeter is0.8V± 0.1V.
(C
)TX Frequency
Adjustment
3ch
Talk VC1 -AdjustmentVC1so that thereading ofthefrequencycounter is31.0875MHz ±
0.1KHz.
(D
)TX Power Adjustment 3ch Talk T5 -Adjust T5so that thereading oftheRF VTVMis9.0mW± 0.2mW.
(E
)RX Sensitivity
Confirmation
(2nd IF
output)
3ch
Talk T2 1. Apply-60dBm outputfrom S.S.G. (modulation frequency1KHz, dev. 0KHz).
2. Confirm that thereading ofRF VTVMisthemaximum value(morethan 20mV)
(F) Line Output
Level
Confirmation
3ch
Talk -1. Apply-60dBm outputfrom S.S.G. (modulation frequency1KHz, dev. 3KHz).
2. Confirm that thereading ofAF VTVMis300mV± 40mV(600 load).
(G
)Line Input Modulation
Confirmation
3ch
Talk -1. Inputvialoop simulator 1.0KHz, 55mV(measured at T-R)signal.
2. Apply-60dBm outputfrom S.S.G. (modulation frequency1KHz, dev. 0KHz).
3. Confirm so that thereading ofFMDeviation Meter is3.1KHz ± 0.3KHz.
(H
)Noise Squelch
Confirmation
3ch
Talk -1. MeasuretheSSG outputlevel when thenoise squelch changes from Lowto
High.
2. Confirm that theSSG outputlevel is-105dBm ~ -110dBm.
*: The connection of adjustment equipment are as shownin Adjustment Standard (Base Unit) ().
SSG Frequency: 39.9875 MHz
8.4. Adjustment Standard (Base Unit)
Note: (A) - (H) is referedto ADJUSTMENTS (BASE UNIT) ()
9. ADJUSTMENTS (HANDSET)
If yourunit have belowsymptoms, adjust orconfirm eachitemusing remedycolumnfromthe
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