Panasonic KX-TG1843ALS Bedienungsanleitung

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distribution is a violation o law.

KX-TG1843ALS

KX-TGA122AZS

KX-TGA121AZS

Digital Cordless Answering System

Silver Version

( or Australia)

Telephone Equipment

ORDER NO. KM40509891CE

1 ABOUT LEAD REE SOLDER (Pb : Pb free) 4

1.1. Suggested PbF Solder 4

1.2. How to recognize that Pb Free solder is used 5

2 OR SERVICE TECHNICIANS 5

3 CAUTION 5

4 OPERATING INSTRUCTIONS 6

4.1. Battery 6

4.2. Location o Controls 8

4.3. Connections 9

4.4. Guide to Settings 10

4.5. For Service Hint 11

5 DISASSEMBLY INSTRUCTIONS 12

5.1. Base Unit 12

5.2. Handset 13

5.3. Charger Unit 14

6 HOW TO REPLACE THE HANDSET LCD 15

7 TROUBLESHOOTING LOWCHART 16

7.1. Check Power 17

7.2. Check Battery Charge 18

7.3. Check Link 19

7.4. Check Handset Transmission 23

7.5. Check Handset Reception 23

7.6. Check Caller ID 23

7.7. Check Base Speakerphone Transmission 23

7.8. Check Base Speakerphone Reception 23

7.9. Bell Reception 24

7.10. Check TAM Operation 24

8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND

CHARGER UNIT) 25

8.1. Check Point (Base Unit) 25

8.2. The Setting Method o JIG (Base Unit) 30

8.3. Adjustment Standard (Base Unit) 32

8.4. Check Point (Charger Unit) 33

8.5. Adjustment Standard (Charger Unit) 33

9 TROUBLESHOOTING BY SYMPTOM (HANDSET) 34

9.1. Check Point (Handset) 34

9.2. Troubleshooting or Speakerphone (Handset) 37

9.3. The Setting Method o JIG (Handset) 38

9.4. Adjustment Standard (Handset) 40

10 THINGS TO DO A TER REPLACING IC 41

10.1. Base Unit 41

10.2. Handset 41

11 R SPECI ICATION 42

11.1. Base Unit 42

11.2. Handset 42

12 HOW TO CHECK THE SPEAKER OR RECEIVER 43

13 REQUENCY TABLE (MHz) 43

14 BLOCK DIAGRAM (BASE UNIT) 44

15 CIRCUIT OPERATION (BASE UNIT) 45

15.1. Outline 45

15.2. Power Supply Circuit 46

15.3. Telephone Line Inter ace 47

15.4. Transmitter/Receiver 47

16 BLOCK DIAGRAM (HANDSET) 48

17 CIRCUIT OPERATION (HANDSET) 49

17.1. Outline 49

17.2. Power Supply Circuit/Reset Circuit 49

17.3. Charge Circuit 49

17.4. Battery Low/Power Down Detector 49

17.5. Speakerphone 49

18 CIRCUIT OPERATION (CHARGER UNIT) 50

18.1. Power Supply Circuit 50

19 SIGNAL ROUTE 51

20 CPU DATA (BASE UNIT) 53

20.1. IC4 (BBIC) 53

21 CPU DATA (HANDSET) 56

21.1. IC1 (BBIC) 56

22 ENGINEERING MODE 58

22.1. Base Unit 58

22.2. Handset 61

23 HOW TO REPLACE THE LAT PACKAGE IC 63

23.1. PREPARATION 63

23.2. FLAT PACKAGE IC REMOVAL PROCEDURE 63

23.3. FLAT PACKAGE IC INSTALLATION PROCEDURE 64

Note:

Because CONTENTS 4 is the extract rom the Operating Instructions o this model, it is subject to change without notice. You can

download and re er to the original Operating Instructions on TSN Server or urther in ormation.

CONTENTS

Page Page

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

23.4. BRIDGE MODIFICATION PROCEDURE 64

24 CABINET AND ELECTRICAL PARTS (BASE UNIT) 65

25 CABINET AND ELECTRICAL PARTS (HANDSET) 66

26 CABINET AND ELECTRICAL PARTS (CHARGER UNIT) 67

27 ACCESSORIES AND PACKING MATERIALS 68

27.1. KX-TG1843ALS 68

27.2. KX-TGA121AZS 69

28 TERMINAL GUIDE O THE ICs, TRANSISTORS AND DIODES

28.1. Base Unit 70

28.2. Handset 70

28.3. Charger Unit 71

29 REPLACEMENT PARTS LIST 72

29.1. Base Unit 72

29.2. Handset 75

29.3. Charger Unit 76

29.4. Accessories and Packing Materials 76

29.5. Fixtures and Tools 77

30 OR SCHEMATIC DIAGRAM 79

30.1. Base Unit (SCHEMATIC DIAGRAM (BASE UNIT_MAIN))

30.2. Handset (SCHEMATIC DIAGRAM (HANDSET)) 79

30.3. Charger Unit (SCHEMATIC DIAGRAM (CHARGER UNIT))

31 SCHEMATIC DIAGRAM (BASE UNIT_MAIN) 80

32 SCHEMATIC DIAGRAM (BASE UNIT_OPERATION) 82

33 SCHEMATIC DIAGRAM (HANDSET) 84

34 SCHEMATIC DIAGRAM (CHARGER UNIT) 86

35 CIRCUIT BOARD (BASE UNIT_MAIN) 87

35.1. Component View 87

35.2. Flow Solder Side View 88

36 CIRCUIT BOARD (BASE UNIT_OPERATION) 89

36.1. Component View 89

36.2. Flow Solder Side View 90

37 CIRCUIT BOARD (HANDSET) 91

37.1. Component View 91

37.2. Flow Solder Side View 92

38 CIRCUIT BOARD (CHARGER UNIT) 93

38.1. Component View 93

38.2. Flow Solder Side View 93

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

1 ABOUT LEAD REE SOLDER (Pb : Pb free)

Note:

In the in ormation below, Pb, the symbol or lead in the periodic table o elements, will re er to standard solder or solder that

contains lead.

We will use PbF solder when discussing the lead ree solder used in our manu acturing process which is made rom Tin (Sn),

Silver (Ag), and Copper (Cu).

This model, and others like it, manu actured using lead ree solder will have PbF stamped on the PCB. For service and repair

work we suggest using the same type o 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 o using high temperature soldering iron, please

be care ul not to heat too long.

•

• •

• PbF solder will tend to splash i it is heated much higher than its melting point, approximately 1100°F (600°C).

•

• •

• I you must use Pb solder on a PCB manu actured using PbF solder, remove as much o 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 or excess which may low onto the

opposite side (See the igure below).

1.1. Suggested Pb Solder

There are several types o PbF solder available commercially. While this product is manu actured 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

manu acturer’s speci ic instructions or the melting points o their products and any precautions or using their product with other

materials.

The ollowing lead ree (PbF) solder wire sizes are recommended or service o this product: 0.3mm, 0.6mm and 1.0mm.

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

1.2. How to recognize that Pb ree solder is used

(Example: Handset P.C.B.)

C66

A201

ANT

R59

C54

C55

C45 R54

R55

C46

C47

R62

J3 TP22

CHG CHG

TP23

UTX

URX

C58

C97

C102

C68

C37

C91

R85

C19

R19

R82

C82

SP_TEST1

REV_TEST1

REV_TEST2

SP_TEST2

C60

C59

C123

C64

C61 C65 C44 C62

CLK

C63

R93

C119

R47

R46

R86

R25 R29

C10

C101

C107

C108

C111

C112

R83

R43 C98

C95

C78

C79

VDD3

D10

C40

R74

C80

R36

C76

C16

C92

R80

C13

C83

C69 C70

C81

C86

C15

R35 R67 R66

C14

R34

C75

C38

C77

R61

R71

R40

R39

R64

R60

JTAG

R97

R63

VDD1 VDD2POWER

R91

C93

C41

C94

C22

C72

R15

R57

R96

C116

C117

C122

C113

C24

R68

C100

C20 C7

R21R20

BAT GND

C57

C53

CN6

C51

C50

C48C49

C67

C84

R75

PbF

IC1

IC3

IC2

C21

R90

C18

C96

R92

R72

C99

C23

R87

C114

R94

C120

C115

C71

R89

R88

C39

R26

C90

C103

R38

R37

C17

C109

C87

C12

R12

R81

C118

C104

Q11

Q10

PQUP11278Z

61 60 41

Marked

(Component View)

Note:

The location o the “PbF” mark is subject to change without notice.

2 OR 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 oil and ground them.

2. Ground the soldering irons.

3. Use a conductive mat on the worktable.

4. Do not touch IC or LSI pins with bare ingers.

3 CAUTION

1. Danger o explosion i battery is incorrectly replaced.

2. Replace only with the same or equivalent type recommended by the manu acturer.

3. Dispose o used batteries according to the manu acture’s Instructions.

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

4 OPERATING INSTRUCTIONS

4.1. Battery

4.1.1. Battery Installation

1. Insert the batteries negative ( ) terminal irst.

2. Close the handset cover.

Note:

•

• •

• Use only rechargeable Ni-MH batteries HHR-4EPT.

4.1.2. Battery Charge

Place the handset on the base unit for about 7 hours before initial use.

When charging, the battery icon is shown as ollows. When the batteries are ully charged, remains on the display.

Note:

•

• •

• It is normal or the handset to eel warm during charging.

•

• •

• It takes 7 hours to ully charge the batteries, however, you can use the handset be ore the batteries are ully charged.

•

• •

• Clean the charge contacts o the handset and base unit with a so t, dry cloth, otherwise the batteries may not charge

properly. Clean i the unit is exposed to grease, dust or high humidity.

•

• •

• When lashes, recharge the handset batteries. will continue to lash until the batteries have been charged or at

least 15 minutes.

•

• •

• I the handset is turned o , it will be turned on automatically when it is placed on the base unit.

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

4.1.3. Battery Life

A ter your Panasonic batteries are ully charged, you can expect the ollowing per ormance:

Ni-MH batteries (700 mAh)

Operation Operating Time

While in use (talking) 20 hours max.

While not in use (standby) 170 hours max.

Note:

•

• •

• Actual battery per ormance depends on a combination o how o ten the handset is in use (talking) and how o ten it is not

in use (standby).

•

• •

• Battery operating time may be shortened over time depending on usage conditions and ambient temperature.

4.1.4. Battery Replacement

I lashes even a ter the handset batteries have been charged or 7 hours, the batteries must be replaced.

Important:

•

• •

• We recommend the use o Panasonic rechargeable Ni-MH batteries HHR-4EPT. I you install non-rechargeable batteries

and start charging, the batteries may leak electrolyte.

•

• •

• Do not mix old and new batteries.

1. Press the notch on the handset cover irmly and slide it in the direction o the arrow.

2. Remove the old batteries positive ( ) terminal irst and install the new ones.

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

4.2. Location of Controls

4.2.1. Base Unit

4.2.2. Handset

Note:

•

• •

• Up to 3 menu items can be displayed at a time. To select a menu item not shown on the current page, scroll up or down

by pressing the navigator key, or , respectively.

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

4.3. Connections

4.3.1. Base Unit

When the AC adaptor is connected, a short beep will be heard. I it is not heard, check the connections.

Important:

•

• •

• Use only the AC adaptor PQLV19ALX and telephone line cord supplied with this unit.

Note:

•

• •

• A ter connection, you must charge the batteries to make or answer calls with the handset.

•

• •

• Never install telephone wiring during a lightning storm.

•

• •

• The AC adaptor must remain connected at all times. (It is normal or the adaptor to eel warm during use.)

•

• •

• The AC adaptor should be connected to a vertically oriented or loor-mounted AC outlet. Do not connect the AC adaptor to

a ceiling-mounted AC outlet, as the weight o the adaptor may cause it to become disconnected.

•

• •

• The unit will not work during a power ailure. We recommend connecting a standard telephone to the same telephone line

or to the same telephone socket using a telephone double adaptor.

•

• •

• This unit is not designed to be used with rotary (pulse dialling) services.

4.3.2. Charger Unit

Important:

•

• •

• Use only the AC adaptor PQLV200ALX.

Note:

•

• •

• The AC adaptor must remain connected at all times (It is normal or the adaptor to eel warm during use).

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

4.4. Guide to Settings

For your re erence, a chart o all items which can be customised or the base unit and the handset is printed below.

•

• •

• When customising the base unit and the handset, the current item or setting is indicated by .

4.4.1. Base Unit Settings

•

• •

• These items are customised using the handset.

Note:

•

• •

• Up to 3 menu items can be displayed at a time. To select a menu item not shown on the current page, scroll up or down

by pressing the navigator key, or , respectively.

4.4.2. SMS Settings

Note:

•

• •

• I the base unit is reset to its de ault settings, the contents o the receive and send lists will be erased.

4.4.3. Answering System Settings

KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS

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