Table Of Contents - Panasonic KX-TEA308NE Service Manual

KX-TEA308NE
CONTENTS
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
1.1. SUGGESTED PbF SOLDER
1.2. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS
USED
2 FOR SERVICE TECHNICIANS
3 CAUTION
3.1. SAFETY PRECAUTIONS
3.2. INSULATION RESISTANCE TEST
3.3. BATTERY CAUTION
3.4. CAUTION
4 SPECIFICATIONS
4.1. GENERAL DESCRIPTION
4.2. CHARACTERISTICS
4.3. SYSTEM CAPACITY
5 SYSTEM OVERVIEW
5.1. SYSTEM COMPONENTS
5.2. SYSTEM CONNECTION DIAGRAM
6 NAMES AND LOCATIONS
7 CONNECTION
7.1. SERIAL INTERFACE CONNECTION
8 DISASSEMBLY INSTRUCTIONS
8.1. DISASSEMBLY INSTRUCTION
9 BLOCK DIAGRAM
9.1. SYSTEM BLOCK DIAGRAM
9.2. POWER BLOCK DIAGRAM
9.3. KX-TEA308NE MAIN BLOCK DIAGRAM
9.4. KX-TEA308NE CO BLOCK DIAGRAM
9.5. KX-TEA308NE POWER SUPPLY UNIT BLOCK
DIAGRAM
10 EXPLANATION OF BLOCK DIAGRAM
10.1. MAIN UNIT (KX-TEA308NE)
11 CIRCUIT OPERATION
11.1. POWER SUPPY CIRCUIT
11.2. CO INTERFACE CIRCUIT
11.3. CROSS POINT SWITCH CIRCUIT
11.4. INTERCOM CIRCUIT
11.5. POWER FAILURE THROUGH CALL SWITCHING
CIRCUIT
11.6. DATA COMMUNICATION CIRCUIT
11.7. CONTROL CIRCUIT
11.8. TONE GENERATOR CIRCUIT
11.9. DTMF GENERATOR CIRCUIT
11.10. DTMF RECEIVER CIRCUIT
11.11. INT CALLID INTERFACE CIRCUIT
11.12. MODEM INTERFACE CIRCUIT
11.13. USB INTERFACE CIRCUIT
11.14. OGM INTERFACE CIRCUIT
11.15. RINGING SIGNAL GENERATOR CIRCUIT
11.16. SMDR INTERFACE CIRCUIT
11.17. DOORPHONE CARD INTERFACE (KX-TE82460NE)
Page
4 11.18. BUILT IN VOICE MESSAGE CARD INTERFACE (KX-
4 TE82492NE)
11.19. CALL ID CARD INTERFACE (KX-TE82493NE)
5 12 TROUBLESHOOTING GUIDE
7 12.1. NO OPERATION (Check POWER SUPPLY BOARD,
8 MAIN BOARD and 2AP BOARD)
8 12.2. NO DIAL TONE
8 12.3. CANNOT DIAL
8 12.4. CANNOT CALL EXTENSION
8 12.5. CANNOT USE PROPRIETARY TELEPHONE
9 12.6. CANNOT RECEIVE INCOMING CALL
9 12.7. CANNOT SEND DTMF DIALING
9 12.8. CANNOT RECEIVE CALL DIAL TONE
9 12.9. CANNOT SEND A HOLD ON MUSIC
10 13 IC DATA
10 13.1. IC700
11 13.2. IC7
12 13.3. IC8
12 14 TERMINAL GUIDE OF ICS, TRANSISTORS AND DIODES
12 15 HOW TO REPLACE A FLAT PACKAGE IC
13 15.1. PREPARATION
13 15.2. REMOVAL PROCEDURE
15 15.3. INSTALLATION PROCEDURE
15 15.4. REMOVING SOLDER FROM BETWEEN PINS
16 16 FIXTURES AND TOOLS
16 17 CABINET AND ELECTRICAL PARTS LOCATION
17 18 ACCESSORIES AND PACKING MATERIALS
19 REPLACEMENT PARTS LIST (KX-TEA308NE)
17 19.1. CABINET AND ELECTRICAL PARTS
18 19.2. ACCESSORIES AND PACKING MATERIALS
18 19.3. MAIN BOARD PARTS
20 19.4. CO BOARD PARTS
20 19.5. POWER SUPPLY BOARD PARTS
21 19.6. FIXTURES AND TOOLS
26 20 FOR THE SCHEMATIC DIAGRAM
28 21 SCHEMATIC DIAGRAM (KX-TEA308NE)
21.1. MAIN No.1 (Extention A-D Block)
21.2. MAIN No.2 (Extention E-H Block)
29
29 21.3. MAIN No.3 (Cross-Point Block)
31 21.4. MAIN No.4 (ASIC, Memory Block)
31 21.5. MAIN No.5 (CO Block)
32 21.6. POWER SUPPLY
32 22 PRINTED CIRCUIT BOARD (KX-TEA308NE)
33 22.1. MAIN BOARD
33 22.2. CO BOARD
34 22.3. POWER SUPPLY
34 23 KX-TE82460NE (2-PORT DOORPHONE CARD)
35 23.1. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS
35 USED
36 23.2. LOCATION OF OPTIONAL CARDS
2
Page
36
37
38
38
39
40
41
41
41
42
42
43
44
44
46
46
47
48
48
48
48
48
49
50
51
52
52
52
52
59
62
63
64
66
66
70
74
78
82
86
87
87
89
91
92
93
94