Panasonic KX-TC1709LBB Service Manual

ORDER NO. KM40109678C3

Telephone Equi pment

KX-TC1709LBB

900MHz Digital Cordless Phone

Black Version
(for Brazil)

© 2001 Kyushu Matsushita Electric Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.

KX-TC1709LBB

CONTENTS

Page Page

1 STANDARD BATTERY LIFE 4
2 LOCATION OF CONTROLS

2.1. Base unit

2.2. Handset

3 DISPLAY
4 CONNECTIONS

4.1. Adding Another Phone

5 OPERATION

5.1. Making Calls

5.2. Answering Calls

5.3. FLASH Button

6 DISASSEMBLY INSTRUCTIONS
7 ASSEMBLY INSTRUCTIONS

7.1. Assembly the LCD to P.C. Board (Handset)

8 TROUBLESHOOTING GUIDE

8.1. Check Power

8.2. Check Battery Charge

8.3. Check Link

8.4. Check the RF Unit

8.5. Check Handset Transmission

8.6. Check Handset Reception

8.7. Check Call ID

9 TEST MODE

9.1. Test mode flow chart for Base Unit

9.2. Test mode flow chart for Handset

9.3. X101 Check

9.4. Base Unit Reference Drawing

9.5. Handset Reference Drawing

9.6. FREQUENCY TABLE

10 DESCRIPTI ON

10.1. Frequency

10.2. Time Division Duplex (TDD) operation

10.3. Signal Flowchart in the Whole System

11 EXPLANATION OF BBIC (Base Band IC) DATA

6

6
7

8

10

11

12

12
16
17

18
20

20

21

22
23
23
24
29
29
29

30

30
31
32
32
33
34

35

35
35
36

COMMUNICATION

11.1. Calling

11.2. To Terminate Communication

11.3. Ringing

11.4. Ports for Transmitting and Receiving of Data

12 BLOCK DIAGRAM (Base Unit)
13 CIRCUIT OPERATION (Base Unit)

13.1. DSP (Digital Speech/Signal Processing: IC501)

13.2. EEPROM (IC551)

13.3. Power Supply Circuit

13.4. Reset Circuit

13.5. Telephone Line Interface

13.6. Parallel Connection Detect Circuit

13.7. Signal Route

13.8. Calling Line Identification Circuit (Caller ID)

14 BLOCK DIAGRAM (Handset)
15 CIRCUIT OPERATION (Handset)

15.1. Construction

15.2. Power Supply Circuit

15.3. Charge Circuit

15.4. Ringer and Handset SP-Phone

15.5. Sending Signal

15.6. Reception Signal

16 CPU DATA (Base Unit)

16.1. IC501

17 CPU DATA (Handset)

17.1. IC201

18 EXPLANATION OF IC TERMINALS (RF Unit)

18.1. IC101

19 HOW TO REPLACE FLAT PACKAGE IC

19.1. Preparation

19.2. Procedure

2

37

37
37
37
37

38
39

39
39
40
41
42
43
44
45

47
48

48
48
49
49
49
50

51

51

52

52

53

53

54

54
54

19.3. Modification Procedure of Bridge 54

20 CABINET AND ELECTRICAL PARTS (Base Unit)
21 CABINET AND ELECTRICAL PARTS (Handset)
22 ACCESSORIES AN D PACKING MATERIALS
23 TERMINAL GUIDE OF ICｴS, TRANSISTORS AND DIODES

23.1. Base Unit

23.2. Handset

24 REPLACEMENT PARTS LIST

24.1. Base Unit

24.2. Handset

25 FOR SCHEMATIC DIAGRAM

25.1. Base Unit (27 SCHEMATIC DIAGRAM (Base Unit))

25.2. Handset (28 SCHEMATIC DIAGRAM (Handset))

55
56
57
58

58
58

59

59
60

63

63

25.3. Memo

26 SCHEMATIC DIAGRAM (RF Unit)
27 SCHEMATIC DIAGRAM (Base Unit)
28 SCHEMATIC DIAGRAM (Handset)
29 CIRCUIT BOARD (RF Unit)
30 CIRCUIT BOARD (Base Unit)

30.1. Component View

30.2. Flow Solder Side View

31 CIRCUIT BOARD (Handset)

31.1. Component View

31.2. Flow Solder Side View

KX-TC1709LBB

63
64

65
66
68
70
71

71
72

73

73
74

3

KX-TC1709LBB

1 STANDARD BATTERY LIFE

4

KX-TC1709LBB

5

KX-TC1709LBB

2 LOCATION OF CONTROLS

2.1. Base unit

6

2.2. Handset

KX-TC1709LBB

7

KX-TC1709LBB

3 DISPLAY

The handset shows you instructions and information on the display. These display prompts are shown below.

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KX-TC1709LBB

9

KX-TC1709LBB

4 CONNECTIONS

Note:

· USE ONLY WITH Panasonic AC ADAPTOR PQLV2LBZ.

· The AC adaptor must remain connected at all times. (It is normal for the adaptor to feel warm during use.)

· If your unit is connected to a PBX which does not support Caller ID, you cannot access the service.

10

KX-TC1709LBB

4.1. Adding Another Phone

This unit will not function during a power failure. To connect a standard telephone on the same line, use the Panasonic T-adaptor.

11

KX-TC1709LBB

5 OPERATION

5.1. Making Calls

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KX-TC1709LBB

13

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14

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KX-TC1709LBB

5.2. Answering Calls

When a call is received, the unit rings and the CALLER ID indicator on the base unit flashes quickly. If you subscribe to a Caller
Display service, the calling party information will be displayed after the first ring. In order to view the Caller ID information,
please wait until the second ring to answer a call.

5.2.1. With the Handset

16

5.3. FLASH Button

KX-TC1709LBB

17

KX-TC1709LBB

6 DISASSEMBLY INSTRUCTIONS

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KX-TC1709LBB

Shown in Fig. To Remove Remove

1 Lower Cabinet Screws (2.6 X 12).....(A) × 4

2 Main P.C. Board Tapes and solder

Main P.C. Board
3 Battery Cover Battery Cover

4 Rear Cabinet Screws (2.6 X 12).....(B) × 2

5 Rear Cabinet Rear Cabinet

6 Main P.C. Board Screw (2.6 × 12).....(C) × 1

Screws (2.6 × 10).....(D) × 2

Lead wire

Main P.C. Board

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KX-TC1709LBB

7 ASSEMBLY INSTRUCTIONS

7.1. Assembly the LCD to P.C. Board (Handset)

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8 TROUBLESHOOTING GUIDE

KX-TC1709LBB

Cross Reference:

8.1. Check Power (P.22)

8.2. Check Battery Charge (P.23)

8.3. Check Link (P.23)

8.4. Check the RF Unit (P.24)

8.5. Check Handset Transmission (P.29)

8.6. Check Handset Reception (P.29)

8.7. Check Call ID (P.29)

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KX-TC1709LBB

8.1. Check Power

Cross Reference:

13.3. Power Supply Circuit (P.40)

13.4. Reset Circuit (P.41)

NOTE:

EEPROM is IC551.
DSP is IC501.
** Models with no LCD can skip.

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8.2. Check Battery Charge

KX-TC1709LBB

8.3. Check Link

NOTE:

EEPROM is IC551.
DSP is IC501.

NOTE:

EEPROM is IC551.
DSP is IC501.

Cross Reference:

8.1. Check Power

(P.22)

(*1) Refer to

Cross Reference:

8.4. Check the RF Unit

13.3. Power Supply Circuit

15.2. Power Supply Circuit

8.4.1. Finding out the Defective Unit

(P.24).

(P.24)

(P.40)
(P.48)

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