Read Panasonic KX-TEA308UA / KX-TE82460X / KX-TE82492X / KX-TE82493X / KX-A227X Service Manual online
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
4
1.1.
SUGGESTED PbF SOLDER
4
1.2.
HOW TO RECOGNIZE THAT Pb FREE SOLDER IS
USED
5
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
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4.2.
CHARACTERISTICS
9
4.3.
SYSTEM CAPACITY
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5 SYSTEM OVERVIEW
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5.1.
SYSTEM COMPONENTS
10
5.2.
SYSTEM CONNECTION DIAGRAM
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6 NAMES AND LOCATIONS
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7 CONNECTION
12
7.1.
SERIAL INTERFACE CONNECTION
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8 DISASSEMBLY INSTRUCTIONS
13
8.1.
DISASSEMBLY INSTRUCTION
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9 BLOCK DIAGRAM
15
9.1.
SYSTEM BLOCK DIAGRAM
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9.2.
POWER BLOCK DIAGRAM
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9.3.
KX-TEA308UA MAIN BLOCK DIAGRAM
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9.4.
KX-TEA308UA CO BLOCK DIAGRAM
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9.5.
KX-TEA308UA POWER SUPPLY UNIT BLOCK
DIAGRAM
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10 EXPLANATION OF BLOCK DIAGRAM
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10.1. MAIN UNIT (KX-TEA308UA)
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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
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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
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11.9. DTMF GENERATOR CIRCUIT
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11.10. DTMF RECEIVER CIRCUIT
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11.11. INT CALLID INTERFACE CIRCUIT
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11.12. MODEM INTERFACE CIRCUIT
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11.13. USB INTERFACE CIRCUIT
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11.14. OGM INTERFACE CIRCUIT
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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-TE82460X)
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11.18. BUILT IN VOICE MESSAGE CARD INTERFACE (KX-
TE82492X)
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11.19. 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 and 2AP BOARD)
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12.2. NO DIAL TONE
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12.3. CANNOT DIAL
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12.4. CANNOT CALL EXTENSION
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12.5. CANNOT USE PROPRIETARY TELEPHONE
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12.6. CANNOT RECEIVE INCOMING CALL
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12.7. CANNOT SEND DTMF DIALING
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12.8. CANNOT RECEIVE CALL DIAL TONE
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12.9. CANNOT SEND A HOLD ON MUSIC
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13 IC DATA
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13.1. IC700
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13.2. IC7
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13.3. IC8
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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
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16 FIXTURES AND TOOLS
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17 CABINET AND ELECTRICAL PARTS LOCATION
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18 ACCESSORIES AND PACKING MATERIALS
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19 REPLACEMENT PARTS LIST (KX-TEA308UA)
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19.1. CABINET AND ELECTRICAL PARTS
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19.2. ACCESSORIES AND PACKING MATERIALS
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19.3. MAIN BOARD PARTS
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19.4. CO BOARD PARTS
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19.5. POWER SUPPLY BOARD PARTS
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19.6. FIXTURES AND TOOLS
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19.7. MEMO
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20 FOR THE SCHEMATIC DIAGRAM
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21 SCHEMATIC DIAGRAM (KX-TEA308UA)
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21.1. MAIN No.1 (Extention A-D Block)
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21.2. MAIN No.2 (Extention E-H Block)
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21.3. MAIN No.3 (Cross-Point Block)
74
21.4. MAIN No.4 (ASIC, Memory Block)
78
21.5. MAIN No.5 (CO Block)
82
21.6. POWER SUPPLY
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21.7. MEMO
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22 PRINTED CIRCUIT BOARD (KX-TEA308UA)
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22.1. MAIN BOARD
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22.2. CO BOARD
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22.3. POWER SUPPLY
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23 KX-TE82460X (2-PORT DOORPHONE CARD)
93
23.1. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS
USED
94
CONTENTS
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KX-TEA308UA
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