Read Panasonic KX-TES824RU / KX-TEM824RU / KX-TE82461X / KX-TE82474X / KX-TE82480X / KX-TE82483X / KX-TE82491X / KX-TE82492X / KX-TE82493X / KX-A227X Service Manual online
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
5
1.1.
SUGGESTED PbF SOLDER
5
1.2.
HOW TO RECOGNIZE THAT Pb FREE SOLDER IS
USED
6
2 FOR SERVICE TECHNICIANS
7
3 CAUTION
8
3.1.
SAFETY PRECAUTIONS
8
3.2.
INSULATION RESISTANCE TEST
8
3.3.
BATTERY CAUTION
8
3.4.
CAUTION
8
4 SPECIFICATIONS
9
4.1.
GENERAL DESCRIPTION
9
4.2.
CHARACTERISTICS
9
4.3.
SYSTEM CAPACITY
9
5 SYSTEM OVERVIEW
10
5.1.
SYSTEM COMPONENTS
10
5.2.
SYSTEM CONNECTION DIAGRAM
11
6 NAMES AND LOCATIONS
12
7 CONNECTION
12
7.1.
SERIAL INTERFACE CONNECTION
12
8 DISASSEMBLY INSTRUCTIONS
13
8.1.
DISASSEMBLY INSTRUCTION
13
9 BLOCK DIAGRAM
16
9.1.
SYSTEM BLOCK DIAGRAM
16
9.2.
POWER BLOCK DIAGRAM
17
9.3.
KX-TES824RU/KX-TEM824RU 1AP BLOCK DIAGRAM
17
9.4.
KX-TEM824RU 2AP BLOCK DIAGRAM
18
9.5.
KX-TES824RU/KX-TEM824RU POWER SUPPLY UNIT
BLOCK DIAGRAM
18
10 EXPLANATION OF BLOCK DIAGRAM
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10.1. MAIN UNIT (KX-TES824RU/KX-TEM824RU)
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11 CIRCUIT OPERATION
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11.1. POWER SUPPY CIRCUIT
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11.2. CO INTERFACE CIRCUIT
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11.3. CROSS POINT SWITCH CIRCUIT
27
11.4. INTERCOM CIRCUIT
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11.5. POWER FAILURE THROUGH CALL SWITCHING
CIRCUIT
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11.6. DATA COMMUNICATION CIRCUIT
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11.7. CONTROL CIRCUIT
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11.8. TONE GENERATOR CIRCUIT
34
11.9. DTMF GENERATOR CIRCUIT
35
11.10. DTMF RECEIVER CIRCUIT
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11.11. INT CALLID INTERFACE CIRCUIT
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11.12. MODEM INTERFACE CIRCUIT
37
11.13. USB INTERFACE CIRCUIT
38
11.14. OGM INTERFACE CIRCUIT
38
11.15. RINGING SIGNAL GENERATOR CIRCUIT
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11.16. SMDR INTERFACE CIRCUIT
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11.17. DOORPHONE CARD INTERFACE (KX-TE82461X)
40
11.18. OGM CARD INTERFACE (KX-TE82491X)
40
11.19. BUILT in VOICE MESSAGE CARD INTERFACE (KX-
TE82492X)
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11.20. CALL ID CARD INTERFACE (KX-TE82493X)
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12 TROUBLESHOOTING GUIDE
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12.1. NO OPERATION (Check POWER SUPPLY BOARD,
MAIN BOARD)
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12.2. NO DIAL TONE (KX-TES824RU, MAIN BOARD OF KX-
TEM824RU)
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12.3. CANNOT DIAL (KX-TES824RU, MAIN BOARD OF KX-
TEM824RU)
44
12.4. CANNOT CALL EXTENSION (KX-TES824RU, MAIN
BOARD OF KX-TEM824RU)
45
12.5. CANNOT USE PROPRIETARY TELEPHONE (KX-
TES824RU, MAIN BOARD OF KX-TEM824RU)
45
12.6. CANNOT RECEIVE INCOMING CALL (KX-TES824RU,
MAIN BOARD OF KX-TEM824RU)
45
12.7. CANNOT SEND DTMF DIALING (KX-TES824RU, MAIN
BOARD OF KX-TEM824RU)
46
12.8. CANNOT RECEIVE CALL DIAL TONE (KX-TES824RU,
MAIN BOARD OF KX-TEM824RU)
46
12.9. CANNOT SEND A HOLD ON MUSIC (KX-TES824RU,
MAIN BOARD OF KX-TEM824RU)
47
12.10. NO DIAL TONE (SUB BOARD OF KX-TEM824RU)
47
12.11. CANNOT DIAL (SUB BOARD OF KX-TEM824RU)
48
12.12. CANNOT CALL EXTENSION (SUB BOARD OF KX-
TEM824RU)
48
12.13. CANNOT USE PROPRIETARY TELEPHONE (SUB
BOARD OF KX-TEM824RU)
49
12.14. CANNOT RECEIVE INCOMING CALL (SUB BOARD OF
KX-TEM824RU)
49
12.15. CANNOT SEND DTMF DIALING (SUB BOARD OF KX-
TEM824RU)
49
12.16. CANNOT RECEIVE CALL DIAL TONE (SUB BOARD OF
KX-TEM824RU)
50
12.17. CANNOT SEND A HOLD ON MUSIC (SUB BOARD OF
KX-TEM824RU)
50
13 IC DATA
51
13.1. IC700
51
13.2. IC6
53
14 TERMINAL GUIDE OF ICS, TRANSISTORS AND DIODES
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15 HOW TO REPLACE A FLAT PACKAGE IC
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15.1. PREPARATION
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15.2. REMOVAL PROCEDURE
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15.3. INSTALLATION PROCEDURE
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15.4. REMOVING SOLDER FROM BETWEEN PINS
56
16 FIXTURES AND TOOLS
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17 CABINET AND ELECTRICAL PARTS LOCATION
58
18 ACCESSORIES AND PACKING MATERIALS
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19 REPLACEMENT PARTS LIST (KX-TES824RU/KX-TEM824RU)
60
19.1. CABINET AND ELECTRICAL PARTS
60
CONTENTS
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KX-TES824RU / KX-TEM824RU /
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