Read Panasonic KX-TC1225RUB Service Manual online
KX-TC1225RUB
Cordless Phone
Black Version
(for Russia)
Telephone Equipment
ORDER NO. KM40112744C3
1
STANDARD BATTERY LIFE
4
1.1.
Battery Strength
4
1.2.
Recharge
4
1.3.
Battery Information
4
1.4.
Standby mode (While the handset is off the base unit) 4
1.5.
Battery Replacement
5
2
LOCATION OF CONTROLS
6
2.1.
Base Unit
6
2.2.
Handset
7
3
CONNECTION
8
3.1.
Adding Another Phone
9
4
OPERATIONS
10
4.1.
Displays
10
4.2.
Making Calls
12
4.3.
Answering Calls
16
4.4.
Flash Button
17
5
DISASSEMBLY INSTRUCUTIONS
18
6
ASSEMBLY INSTRUCTION
20
7
TROUBLESHOOTING GUIDE
21
7.1.
Check Power
22
7.2.
Check Playback
23
7.3.
Check Sp-phone Transmission
23
7.4.
Check Sp-phone Reception
24
7.5.
Check Battery Charge
25
7.6.
Check Link
26
7.7.
Check Handset Transmission
28
7.8.
Check Handset Reception
28
7.9.
Bell Reception
28
8
ADJUSTMENTS (BASE UNIT)
29
8.1.
Test Mode Flow Chart (Base Unit)
29
8.2.
How to Change the Channel
30
8.3.
Adjustment
30
8.4.
Adjustment Standard (Base Unit)
31
9
ADJUSTMENTS (HANDSET)
32
9.1.
Test Mode Flow Chart (Handset)
32
9.2.
How to set the test mode
33
9.3.
Adjustment
33
9.4.
Adjustment Standard (Handset)
34
10 RF SPECIFICATION
35
10.1. Base Unit
35
10.2. Handset
35
11 HOW TO CHECK THE HANDSET SPEAKER
35
12 FREQUENCY TABLE (MHz)
36
13 EXPLANATION OF CPU DATA COMMUNICATION
37
13.1. STAND-BY -> TALK, TALK -> STAND-BY
37
13.2. Ringing
38
13.3. Changing the channel
39
13.4. Ports for transmitting and receiving of data
40
13.5. Waveform of DATA used for cordless transmission and
reception
40
14 BLOCK DIAGRAM (BASE UNIT)
41
15 CIRCUIT OPERATION
42
15.1. Outline
42
15.2. Power Supply Circuit
42
15.3. Reset Circuit
43
15.4. Charge Circuit
44
15.5. Telephone Line Interface
45
15.6. Transmitter/Receive Circuit
46
15.7. CPU Operation
47
15.8. Signal Route
48
16 BLOCK DIAGRAM (HANDSET)
49
17 CIRCUIT OPERATION (HANDSET)
50
CONTENTS
Page
Page
2
KX-TC1225RUB
17.1. Outline
50
17.2. Reset Circuit/Charge Circuit
50
17.3. Battery Low / Power Down Detector
51
18 CPU (DSP) DATA (BASE UNIT)
52
18.1. IC301
52
19 CPU (DSP) DATA (HANDSET)
53
19.1. IC601
53
20 EXPLANATION OF IC TERMINALS
54
20.1. Handset: IC801
54
21 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
55
22 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET) 56
23 ACCESSORIES AND PACKING MATERIALS
57
24 HOW TO REPLACE THE FLAT PACKAGE IC
58
24.1. PREPARATION
58
24.2. FLAT PACKAGE IC REMOVE PROCEDURE
58
24.3. FLAT PACKAGE IC INSTALLATION PROCEDURE
59
24.4. BRIDGE MODIFICATION PROCEDURE
59
25 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES
60
25.1. Base Unit
60
25.2. Handset
60
26 REPLACEMENT PARTS LIST
61
26.1. Base Unit
61
26.2. Handset
63
26.3. ACCESSORIES AND PACKING MATERIALS
65
27 FOR SCHEMATIC DIAGRAM
66
27.1. BASE UNIT (SCHEMATIC DIAGRAM [Base Unit])
66
27.2. HANDSET (SCHEMATIC DIAGRAM [Handset])
66
28 VOLTAGE CHECK
67
28.1. Base unit
67
28.2. Handset
69
28.3. MEMO
71
29 SCHEMATIC DIAGRAM (BASE UNIT)
72
30 SCHEMATIC DIAGRAM (HANDSET)
74
31 CIRCUIT BOARD (BASE UNIT)
77
31.1. Component View
77
31.2. Flow Solder Side View
78
32 CIRCUIT BOARD (HANDSET)
79
32.1. Component View
79
32.2. Flow Solder Side View
80
3
KX-TC1225RUB
1 STANDARD BATTERY LIFE
1.1. Battery Strength
You can check the battery strength on the handset display while the handset is on the base unit, while it is in use
(making/answering a call etc.), or after viewing directory items, programming etc. The battery strength will remain for a few seconds
after using the handset, then the display will return to the standby mode.
(making/answering a call etc.), or after viewing directory items, programming etc. The battery strength will remain for a few seconds
after using the handset, then the display will return to the standby mode.
The battery strength is as shown in the chart below.
1.2. Recharge
1.3. Battery Information
After your Panasonic battery is fully charged:
Operation
Operating time
While in use (TALK)
Up to about 8 hours
While not in use (Standby)
Up to about 20 days
1.4. Standby mode (While the handset is off the base unit)
The handset goes into the standby mode after you finish using the handset (making/answering a call, viewing the directory list
etc.). The display is blank, but the handset can receive calls. The battery operating time is conserved in this mode.
etc.). The display is blank, but the handset can receive calls. The battery operating time is conserved in this mode.
4
KX-TC1225RUB
