Panasonic KX-TC1205RUB User manual

© 2002 Kyushu Matsushita Electric Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
KX-TC1205RUB
KX-TC1205RUW
KX-TC1205RUS
KX-TC1205RUF
Cordless Phone
Black Version
White Version
Silver Version
Blue Version
(for Russia)
Telephone Equipment
ORDER NO. KM40204852C3

1 BATTERY 4
1.1. Recharge 4
1.2. Battery information 4
2 BATTERY REPLACEMENT 5
3 LOCATION OF CONTROLS 6
3.1. Base Unit 6
3.2. Handset 6
4 CONNECTION 7
4.1. Adding Another Phone 9
5 OPERATIONS 10
5.1. Making Calls 10
5.2. Answering Calls 10
5.3. Storing Phone Numbers in Memory 11
5.4. Storing a Phone Number in the DIRECT Button 11
5.5. Dialing a Stored Number 12
5.6. Dialing a Stored Number in the DIRECT Button 12
5.7. FLASH Button 13
6 DISASSEMBLY INSTRUCTIONS 14
7 TROUBLESHOOTING GUIDE 16
7.1. Check Power 17
7.2. Bell Reception 18
7.3. Check Battery Charge 19
7.4. Check Link 20
7.5. Check Handset Transmission 22
7.6. Check Handset Reception 22
8 ADJUSTMENTS (BASE UNIT) 23
8.1. Test Mode Flow Chart (Base Unit) 23
8.2. How to change the channel 24
8.3. Adjustment 24
8.4. Adjustment Standard (Base Unit) 25
9 ADJUSTMENTS (HANDSET) 26
9.1. Test Mode Flow Chart (Handset) 26
9.2. How to change the channel 27
9.3. Adjustment 27
9.4. Adjustment Standard (Handset) 28
10 RF SPECIFICATION 30
10.1. Base Unit 30
10.2. Handset 30
11 HOW TO CHECK THE HANDSET SPEAKER 30
12 FREQUENCY TABLE (MHz) 31
13 EXPLANATION OF CPU DATA COMMUNICATION 32
13.1. STAND-BY -> TALK, TALK -> STAND-BY 32
13.2. Ringing 33
13.3. Changing the Channel 34
13.4. Ports for transmitting and receiving of data 35
13.5. Waveform of DATA used for cordless transmission and
reception 35
14 BLOCK DIAGRAM (BASE UNIT) 36
15 BLOCK DIAGRAM (HANDSET) 37
16 CIRCUIT OPERATION 38
CONTENTS
Page Page
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

16.1. Outline 38
16.2. Power Supply Circuit 39
16.3. Reset Circuit (Base Unit) 40
16.4. Charge Circuit 41
16.5. Telephone Line Interface 41
16.6. Transmitter/Receiver 42
16.7. Signal Route 44
17 CIRCUIT OPERATION (HANDSET) 45
17.1. Reset Circuit (Handset) 45
17.2. Battery Low / Power Down Detector 46
18 CPU DATA (Base Unit) 47
18.1. IC2 47
19 CPU DATA (Handset) 48
19.1. IC2 48
20 HOW TO REPLACE FLAT PACKAGE IC 49
20.1. Preparation 49
20.2. Procedure 49
20.3. Modification Procedure of Bridge 49
21 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
50
22 CABINET AND ELECTRICAL PARTS LOCATION (HANDET) 51
23 ACCESSORIES AND PACKING MATERIALS 52
24 REPLACEMENT PARTS LIST 53
24.1. Base Unit 53
24.2. Handset 56
24.3. ACCESSORIES AND PACKING MATERIALS 58
25 FOR SCHEMATIC DIAGRAM 59
25.1. Base Unit (SCHEMATIC DIAGRAM (Base Unit)) 59
25.2. Handset (SCHEMATIC DIAGRAM (Handset)) 59
26 SCHEMATIC DIAGRAM (Base Unit) 60
26.1. Base Unit 60
26.2. RF Unit (Base Unit) 61
27 SCHEMATIC DIAGRAM (Handset) 62
27.1. Handset 62
27.2. RF Unit (Handset) 63
28 CIRCUIT BOARD (Base Unit) 65
28.1. Component View 65
28.2. Flow Solder Side View 66
29 CIRCUIT BOARD (Handset) 67
29.1. Component View 67
29.2. Flow Solder Side View 68
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

1 BATTERY
1.1. Recharge
1.2. Battery information
4
KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

2 BATTERY REPLACEMENT
5
KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

3 LOCATION OF CONTROLS
3.1. Base Unit
3.2. Handset
6
KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

4 CONNECTION
•• USE ONLY WITH Panasonic AC ADAPTOR PQLV16CEZ.
•• The AC adaptor must remain connected at all times.
(It is normal for the adaptor to feel warm during use.)
•• When more than one unit is used, the units may interfere with each other. To prevent or reduce interference, please leave
ample space between the base units.
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

8
KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

4.1. Adding Another Phone
This unit will not function during a power failue. To connect a standard telephone on the same line, use a telephone T-adaptor.
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

5 OPERATIONS
5.1. Making Calls
5.2. Answering Calls
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

5.3. Storing Phone Numbers in Memory
5.4. Storing a Phone Number in the DIRECT Button
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

5.5. Dialing a Stored Number
5.6. Dialing a Stored Number in the DIRECT Button
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

5.7. FLASH Button
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

6 DISASSEMBLY INSTRUCTIONS
Show in Fig. To remove. Remove.
1Lower Cabinet Screws (2.6 × 12)....................... (A) × 4
2Main P.C. Board Screws (2.6 × 6)......................... (B) × 1
Screws (2.6 × 6)..........................(C) × 2
Screws (2.6 × 12)........................(D) × 1
Main P.C. Board.
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

Show in Fig. To remove. Remove.
3Rear Cabinet Battery compartment cover.
4Screws (2.6 × 12)......................(E) × 2
5Main P. C. Board Screw (2.6 × 12)........................(F) × 1
Tape and solder.
Main P. C. Board.
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

7 TROUBLESHOOTING GUIDE
Cross Reference:
Check Power (P.17)
Bell Reception (P.18)
Check Battery Charge (P.19)
Check Link (P.20)
Check Handset Transmission (P.22)
Check Handset Reception (P.22)
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

Cross Reference:
Reset Circuit (Base Unit) (P.40)
Power Supply Circuit (P.39)
Cross Reference:
Charge Circuit (P.41)
Note:
CPU: IC2
Note:
CPU: IC2
7.1. Check Power
*: Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Handset) (P.67)
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

Cross Reference:
Check Link (P.20)
Telephone Line Interface (P.41)
Note:
CPU: IC2
7.2. Bell Reception
Cross Reference:
Check Link (P.20)
*: Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Handset) (P.67)
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

Cross Reference:
Charge Circuit (P.41)
Power Supply Circuit (P.39)
Cross Reference:
Reset Circuit (Handset) (P.45)
Note:
CPU: IC2
Note:
CPU: IC2
7.3. Check Battery Charge
*: Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Handset) (P.67)
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF

**: Refer to Adjustment (P.24) Note:
CPU: IC2
RF IC: IC1
7.4. Check Link
*: Each measurement points are shown in CIRCUIT BOARD (Base Unit) (P.65) or CIRCUIT BOARD (Handset) (P.67)
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KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF