Panasonic KX-TC1468LBB User manual

©2002 Kyushu Matsushita Electric Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of la .
KX-TC1468LBB
900MHz Cordless Phone
Black Version
(for Brazil)
Telephone Equipment
ORDER NO. KM40206883C3

1 STANDARD BATTERY LIFE 4
1.1. Recharge 4
1.2. Battery Information 4
2 LOCATION OF CONTROLS 5
2.1. Base unit 5
2.2. Handset 5
2.3. Battery Replacement 6
3 CONNECTIONS 7
3.1. Adding Another Phone 9
4 OPERATIONS 10
4.1. Making Calls 10
4.2. Ans ering Calls 10
5 DISASSEMBLY INSTRUCUTIONS 11
6 HOW TO REMOVE TEL JACK 13
7 TROUBLESHOOTIN UIDE 14
7.1. Check Po er 15
7.2. Bell Reception 16
7.3. Check Battery Charge 17
7.4. Check Link 18
7.5. Check Handset Transmission 20
7.6. Check Handset Reception 20
8 ADJUSTMENTS (BASE UNIT) 21
8.1. Test Mode Flo Chart (Base Unit) 21
8.2. Adjustment 22
8.3. Adjustment Standard (Base Unit) 23
9 ADJUSTMENTS (HANDSET) 25
9.1. Test Mode Flo Chart (Handset) 25
9.2. Adjustment 26
9.3. Adjustment (Handset) 27
10 FREQUENCY TABLE (MHz) 29
11 BLOCK DIA RAM (Base Unit) 30
12 CIRCUIT OPERATION 31
12.1. Outline 31
12.2. Po er Supply Circuit 31
12.3. Reset Circuit 32
12.4. Charge Circuit 33
12.5. Telephone Line Interface 34
12.6. Transmitter/Receiver 34
12.7. Signal Route 35
13 BLOCK DIA RAM (Handset) 36
14 CIRCUIT OPERATION (HANDSET) 37
14.1. Outline 37
14.2. Reset Circuit/Charge Circuit 37
14.3. Battery Lo / Po er Do n Detector 38
CONTENTS
Page Page
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15 HOW TO REPLACE FLAT PACKA E IC 39
15.1. Preparation 39
15.2. Procedure 39
15.3. Modification Procedure of Bridge 39
16 CPU DATA (Base Unit) 40
16.1. IC3 40
16.2. Digital Security Coding System 40
17 CPU DATA (Handset) 41
17.1. U1 41
18 EXPLANATION OF IC TERMINALS (RF Unit) 42
18.1. IC1 42
19 CABINET AND ELECTRICAL PARTS LOCATION (BASE UNIT)
43
20 CABINET AND ELECTRICAL PARTS LOCATION (HANDSET)
44
21 ACCESSORIES AND PACKIN MATERIALS 45
22 TERMINAL UIDE OF THE ICs TRANSISTORS AND DIODES
46
22.1. Base Unit 46
22.2. Handset 46
23 REPLACEMENT PARTS LIST 47
23.1. Base Unit 47
23.2. Handset 50
23.3. Accessories and Packing Materials 52
24 FOR SCHEMATIC DIA RAM 53
24.1. Base Unit 53
24.2. Handset 53
25 SCHEMATIC DIA RAM (Base Unit) 54
25.1. Main 54
25.2. RF Module 55
26 SCHEMATIC DIA RAM (Handset) 56
26.1. Main 56
26.2. RF Module 57
27 CIRCUIT BOARD (Base Unit) 58
27.1. Main (Component Vie ) 58
27.2. Main (Flo Solder Side Vie ) 59
27.3. Locator (Component Vie ) 60
27.4. Locator (Flo Solder Side Vie ) 60
27.5. RF Module 61
28 CIRCUIT BOARD (Handset) 62
28.1. Main (Component Vie ) 62
28.2. Main (Flo Solder Side Vie ) 63
28.3. RF Module 64
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1 STANDARD BATTERY LIFE
1.1. Recharge
1.2. Battery Information
After your Panasonic battery is fully charged:
Operation
Operating time
While in use (TALK) Up to about 5 hours
While not in use (Standby) Up to about 5 days
· The battery operating time may vary depending on usage conditions and ambient temperature.
· Clean the handset and the base unit charge contacts with a soft, dry cloth. Clean if the unit is subject to grease, dust
or high humidity. Otherwise the battery may not charge properly.
· If the battery is fully charged, you do not have to place the handset on the base unit until the I USE indicator flashes. This will
maximize the battery life.
· The battery cannot be overcharged.
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2 LOCATION OF CONTROLS
2.1. Base unit
2.2. Handset
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2.3. Battery Replacement
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3 CONNECTIONS
· USE O LY WITH Panasonic AC ADAPTOR PQWATC1468LB.
· The AC adaptor must remain connected at all times. (It is normal for the adaptor to feel warm during use.)
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3.1. Adding Another Phone
This unit will not function during a power failure. To connect a standard telephone on the same line, use a T-adaptor.
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4 OPERATIONS
4.1. Ma ing Calls
4.2. Answering Calls
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5 DISASSEMBLY INSTRUCUTIONS
Show in Fig.
To remove.
Remove.
1Lo er Cabinet Scre s (2.6 × 8)................ ....... (A) × 4
2Locator P.C.Board Scre s (2.3 × 6)................ ....... (B) × 4
Locator P.C.Board
3RF P.C.Board Scre s (2 × 6)................ ....... (C) × 3
RF P.C.Board
4Main P.C.Board Scre s (2.3 × 6)................ ....... (D) × 4
Main P.C.Board
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Show in Fig.
To remove.
Remove.
5
Rear Cabinet
Battery compartment cover.
6Scre s (2.6 × 8)................ ......(E) × 2
7
8Antenna Scre (2.6 × 8)................ ......(F) × 1
RF P.C.Board Scre s (2 × 6)................ ......(G) × 2
RF P.C.Board.
9Main P.C.Board Scre s (2 × 6)................ ......(H) × 2
Main P.C.Board
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6 HOW TO REMOVE TEL JACK
1. Keep 2 hooks for TEL JACK fixing open in the direction of arrow 1, then pull the top of TEL JACK forward as shown arrow 2
until the hooks click. (Refer to Fig. 1.)
2. Remove TEL JACK pulling just above in the direction of arrow 3. (Refer to Fig. 2.)
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7 TROUBLESHOOTING GUIDE
Cross Reference:
Check Power (P.15)
ell Reception (P.16)
Check attery Charge (P.17)
Check Link (P.18)
Check Handset Transmission (P.20)
Check Handset Reception (P.20)
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Cross Reference:
Reset Circuit (P.32)
Power Supply Circuit (P.31)
** : CONNECTIONS (P.7)
Cross Reference:
Charge Circuit (P.33)
Note:
CPU: IC3
Note:
CPU: U1
7.1. Chec Power
* : Each measurement points are shown in CIRCUIT OARD ( ase Unit) (P.58) or CIRCUIT OARD (Handset) (P.62)
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Cross Reference:
Telephone Line Interface (P.34)
Note:
CPU : IC3
7.2. Bell Reception
* : Each measurement points are shown in CIRCUIT OARD ( ase Unit) (P.58) or CIRCUIT OARD (Handset) (P.62)
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Cross Reference:
Charge Circuit (P.33)
Power Supply Circuit (P.31)
** : CONNECTIONS (P.7)
Cross Reference:
Reset Circuit/Charge Circuit (P.37)
Note:
CPU: IC3
Note:
CPU: U1
7.3. Chec Battery Charge
*: Each measurement points are shown in CIRCUIT OARD ( ase Unit) (P.58) or CIRCUIT OARD (Handset) (P.62)
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**: Refer to Adjustment (P.22) Note:
CPU: IC3
RF IC: IC1
7.4. Chec Lin
*: Each measurement points are shown in CIRCUIT OARD ( ase Unit) (P.58) or CIRCUIT OARD (Handset) (P.62)
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**: Refer to Adjustment (P.26). Note:
CPU: U1
RF IC: IC1
*: Each measurement points are shown in RF Module (P.64)
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7.5. Chec Handset Transmission
Cross Reference:
Signal Route (P.35)
7.6. Chec Handset Reception
Cross Reference:
Signal Route (P.35)
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