Panasonic KX-TCD410RUM User manual

©2003 Panasonic Communications Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of la .
KX-TCD410RUM
KX-TCD410RUS
KX-TCD412RUM
KX-TCD412RUS
KX-A141RUM
KX-A141RUS
KX-A142RUM
KX-A142RUS
Digital Cordless Phone
Metalic Gray Version
Silver Version
(for Russia)
Telephone Equipment
ORDER NO. KM40306109C3

1 ABOUT LEAD FREE SOLDER (PbF: Pb free) 4
1.1. Suggested PbF Solder 4
1.2. Ho to recognize that Pb Free solder is used 5
2 FOR SERVICE TECHNICIANS 7
3 CAUTION 7
4 BATTERY
4.1. Battery Installation 8
4.2. Battery Charge 8
4.3. Battery Life 9
4.4. Replacing the Batteries 9
5 LOCATION OF CONTROLS 10
5.1. Base Unit 10
5.2. Handset 10
6 SETTINGS 11
6.1. Connection 11
6.2. Symbols Used in This Service Manual 11
6.3. PIN Code 12
6.4. Reset 14
6.5. Key Lock 15
6.6. Recall Feature 15
6.7. Dialling Pause for PBX line/long distance service users 15
6.8. Call Restriction 16
6.9. Cancelling Call Restricted Handset(s) 16
6.10. Call BAR On/Off (Call Prohibition On/Off) 16
6.11. Selecting the Display Language 17
6.12. Select Dialling Mode (Tone/Pulse) 17
6.13. Select Flash Timing 17
6.14. Automatic Route Selection 18
6.15. Summary of Programmable Functions 20
7 DISPLAY 20
7.1. Handset Display 20
7.2. Before Requesting Help (Troubleshooting) 21
OPERATIONS 22
8.1. Po er On/Off 22
8.2. Making a Call 22
8.3. Ans ering a Call 22
8.4. Setting the Clock/Date 22
8.5. Phonebook 23
9 DISASSEMBLY INSTRUCTIONS 26
9.1. Base Unit 26
9.2. Handset 27
9.3. Charger Unit 28
10 ASSEMBLY INSTRUCTIONS 29
10.1. Warning When Constructing the Base Unit 29
11 TROUBLESHOOTING GUIDE 30
11.1. Check Po er 31
11.2. Check Battery Charge 32
11.3. Check Link 33
11.4. Check Handset Transmission 35
11.5. Check Handset Reception 35
11.6. Check Caller ID 35
11.7. Bell Reception 36
12 CHECK PROCEDURE (BASE UNIT) 37
12.1. Preparation 37
12.2. PC Setting 37
13 CHECK PROCEDURE (HANDSET) 3
13.1. Preparation 38
13.2. PC Setting 38
14 ADJUSTMENTS (BASE UNIT AND CHARGER UNIT) 39
14.1. Adjustment (Base Unit) 39
14.2. Adjustment Standard (Base Unit) 43
14.3. Adjustment (Charger Unit) 45
14.4. Adjustment Standard (Charger Unit) 45
15 ADJUSTMENTS (HANDSET) 46
15.1. Adjustment 46
15.2. Adjustment Standard (Handset) 49
16 RF SPECIFICATION 50
16.1. Base Unit 50
16.2. Handset 50
17 HOW TO CHECK THE HANDSET SPEAKER 50
1 FREQUENCY TABLE (MHz) 51
19 BLOCK DIAGRAM (BASE UNIT) 52
20 CIRCUIT OPERATION (BASE UNIT) 53
20.1. Outline 53
20.2. Po er Supply Circuit 54
20.3. Telephone Line Interface 55
20.4. Transmitter/Receiver 55
20.5. Pulse Dialing 55
20.6. FLASH PROM 55
21 BLOCK DIAGRAM (HANDSET) 56
CONTENTS
Page Page
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KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

22 CIRCUIT OPERATION (HANDSET) 57
22.1. Outline 57
22.2. Po er Supply Circuit/Reset Circuit 57
22.3. Charge Circuit 57
22.4. Battery Lo /Po er Do n Detector 57
23 CIRCUIT OPERATION (CHARGER UNIT) 5
23.1. Po er Supply Circuit 58
24 SIGNAL ROUTE 5
25 CPU DATA (BASE UNIT) 59
25.1. IC2 (BBIC) 59
26 CPU DATA (HANDSET) 61
26.1. IC1 (BBIC) 61
27 EEPROM LAYOUT (BASE UNIT) 63
27.1. Scope 63
27.2. Introduction 63
27.3. EEPROM Layout 63
2 EEPROM LAYOUT (HANDSET) 66
28.1. Scope 66
28.2. Introduction 66
28.3. EEPROM contents 66
29 HOW TO REPLACE FLAT PACKAGE IC 69
29.1. Preparation 69
29.2. Procedure 69
29.3. Modification Procedure of Bridge 69
30 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
70
31 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET)
71
32 CABINET AND ELECTRICAL PARTS LOCATION (CHARGER
UNIT) 72
33 ACCESSORIES AND PACKING MATERIALS 73
33.1. KX-TCD410RUM/RUS 73
33.2. KX-TCD412RUM/RUS 74
33.3. KX-A142RUM/RUS 75
34 TERMINAL GUIDE OF THE ICs, TRANSISTORS AND DIODES
76
34.1. Base Unit 76
34.2. Handset 76
34.3. Charger Unit 76
35 REPLACEMENT PARTS LIST 77
35.1. Base Unit 77
35.2. Handset 78
35.3. Charger Unit 79
35.4. Accessories and Packing Materials 79
35.5. Fixtures and Tools 80
36 SCHEMATIC DIAGRAM (BASE UNIT) 1
37 SCHEMATIC DIAGRAM (HANDSET) 3
3 SCHEMATIC DIAGRAM (CHARGER UNIT) 5
39 CIRCUIT BOARD (BASE UNIT) 6
39.1. Component Vie 86
39.2. Flo Solder Side Vie 87
40 CIRCUIT BOARD (HANDSET)
40.1. Component Vie 88
40.2. Flo Solder Side Vie 89
41 CIRCUIT BOARD (CHARGER UNIT) 90
41.1. Component Vie 90
41.2. Flo Solder Side Vie 90
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KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
Note:
In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that
contains lead.
We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin (Sn ,
Silver (Ag , and Copper (Cu .
This model, and others like it, manufactured using lead free solder will have PbF stamped on the PCB. For service and repair
work we suggest using the same type of solder although, with some precautions, standard Pb solder can also be used.
Caution
· PbF solder has a melting point that is 50°F ~70°F (30°C ~ 40°C higher than Pb solder. Please use a soldering iron with
temperature control and adjust it to 700°F ± 20°F (370°C ± 10°C . In case of using high temperature soldering iron, please
be careful not to heat too long.
· PbF solder will tend to splash if it is heated much higher than its melting point, approximately 1100°F (600°C .
· If you must use Pb solder on a PCB manufactured using PbF solder, remove as much of the original PbF solder as possible
and be sure that any remaining is melted prior to applying the Pb solder.
· When applying PbF solder to double layered boards, please check the component side for excess which may flow onto the
opposite side (See the figure below .
1.1. Suggested PbF Solder
There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper
(Sn+Ag+Cu , you can also use Tin and Copper (Sn+Cu or Tin, Zinc, and Bismuth (Sn+Zn+Bi . Please check the manufac
turers specific instructions for the melting points of their products and any precautions for using their product with other
materials.
The following lead free (PbF solder wire sizes are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.
4
KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

1.2. How to recognize that Pb Free solder is used
1.2.1. Base Unit PCB
1
11
28
18
IC3
PbF
IC2
1
Marked
(Component View)
TP1
TP84
TP97
TP82
TP187
TP91
TP188
TP101
TP89
TP2
135
246
TP5 TP90
TP50
TP45
TP39
TP3
TP40
TP85
J101 J103 J104 J102 J105
PbF
+2.65V
SDA
SCL
GND
VBACK
CHARGE
CHARGE
Marked
(Flow Solder Side View)
Note:
The location of the PbF mark is subject to change without notice.
5
KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

1.2.3. Charger Unit PCB
1.2.2. Handset PCB
Marked
PbF
IC1
IC2
100
80
5
8
4
1
50 51
30
31 111
18
1
28
IC3
(Component View)
Marked
1
PROG
PbF
BOOK
UP
POWER
CAN
DOWN
RIGHT
REDIAL
LEFT
1
2
3
6
5
7
0
#
R4
9
8
INT
MIC
TALK
36
CN2
(Flow Solder Side View)
Note:
The location of the PbF mark is subject to change without notice.
PbF
D1
J1
Marked
PbF
R1 R2
TP4
TP1
TP2
TP3
Marked
(ComponentView) (Flow Solder SideView)
Note:
The location of the PbF mark is subject to change without notice.
6
KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

2 FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
3 CAUTION
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommendenced by the
manufacturer.
Dispose of used batteries according to the manufactures Instructions.
7
KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

4 BATTERY
4.1. Battery Installation
Please ensure the batteries are inserted as shown. part should be inserted first.
Close the cover as indicated by the arrow.
· When you replace the batteries, part should be removed first.
4.2. Battery Charge
At the time of shipment, the batteries are not charged. To charge, place the handset on the base unit.
Please charge the batteries for about 7 hours before initial use. During charging, the battery icon is as shown below.
The handset which power is off will be turned on automatically when it is placed on the base unit.
In normal use, the handset and the base unit should be powered on at all times.
Note for Service:
The battery strength may not be indicated correctly if the battery is disconnected and connected again, even after it is fully
charged.
In that case, by recharging the battery as mentioned above, you will get a correct indication of the battery strength.
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KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

4.3. Battery ife
· Battery life is dependent on use and conditions but in general when using fully charged Ni-MH batteries (700 mAh :
Talk time: 10hrs approx.
Standby time: 120hrs approx.
· When using Ni-Cd batteries (250 mAh :
Talk time: 4hrs approx.
Standby time: 40hrs approx.
(Times indicated are for peak performance
· The batteries reach peak performance after several full charge/discharge cycles.
· The batteries cannot be overcharged unless they are repeatedly removed and replaced.
· If battery life is shortened then please check that battery and charge terminals are clean.
· For maximum battery life, it is recommended that the handset is not recharged until battery icon flashes .
4.4. Replacing the Batteries
If the icon flashes after a few telephone calls even when the handset batteries have been fully charged, 2 batteries must
be replaced.
Charge new batteries for approximately 7 hours before initial use.
The telephone line cord must not be connected to the telephone socket at this time).
When replacing the batteries, ensure that the correct battery type is selected.
· To exit the operation, press any time.
· When Ni-Cd batteies are fitted with the setting in ,icon will disappear and stop charging
even if the handset is on the cradle.
· Do not use non-rechargeable batteries. If non-rechargeable batteries are fitted and start charging, it may cause the leakage
of the battery electrolyte.
Please use only Panasonic P03P Ni-MH) or P03H Ni-Cd) batteries.
9
KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS

5 LOCATION OF CONTROLS
5.1. Base Unit
5.2. Handset
10
KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS