Panasonic KX-TS550MEB Service Manual Download Page 21 | Manualshive

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15 ACCESSORY AND PACKING MATERIALS

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KX-TS550MEB / KX-TS550MEW

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Summary of Contents for KX-TS550MEB

Page 1: ...ations Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law KX TS550MEB KX TS550MEW Integrated Telephone System Black Version White Version for Mexico Telephone Equipment ORDER NO KM40706334CE ...

Page 2: ...e Interface and Pulse Dial Circuit 15 12 2 Tone Dial Circuit 15 12 3 Power Circuit and Redial Back up Circuit 17 13 CPU DATA 18 14 CABINET AND ELECTRICAL PARTS LOCATION 20 15 ACCESSORY AND PACKING MATERIALS 21 16 TERMINAL GUIDE OF ICs TRANSISTORS AND DIODES 22 17 REPLACEMENT PARTS LIST 23 17 1 Base Unit 23 17 2 Accessories And Packing Materials 24 17 3 Screw 24 18 FOR SCHEMATIC DIAGRAM 25 19 SCHEM...

Page 3: ...eat the PCB for too long time in order to prevent solder splash or damage to the PCB PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See the figure below 1 ABOUT LEAD FREE SOLDER PbF Pb free 1 1 Suggested PbF...

Page 4: ... replaced 3 FASTON terminals shall be plugged straight in and unplugged straight out ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on worktable 4 Do not grasp IC or LSI pins with bare fingers 3 CAUTION Danger of exp...

Page 5: ...4 LOCATION OF CONTROLS 5 KX TS550MEB KX TS550MEW ...

Page 6: ...5 SETTINGS 5 1 Connection 6 KX TS550MEB KX TS550MEW ...

Page 7: ...6 OPERATIONS 6 1 Making Calls 6 2 Answering Calls 7 SPECIAL FEATURES 7 1 For Call Waiting Service Users 7 2 Temporary Tone Dialing For Rotary or Pulse Service Users 7 KX TS550MEB KX TS550MEW ...

Page 8: ...8 DISASSEMBLY INSTRUCTIONS Shown in Fig To remove Remove 1 Lower Cabinet Screws 2 6 10 A 5 2 P C Boards Remove the P C Boards 8 KX TS550MEB KX TS550MEW ...

Page 9: ...and D17 Rings no dial tone no pulse or tone dial Check Q1 Q2 Q7 D17 and Q3 No rings Check C1 R2 and IC2 No volume Handset Check IC1 VR1 C15 and C22 Buttons stick under upper cabinet assembly From key board Adijust the setting of buttons No pulse dial Check Q1 Q2 and IC1 9 2 Pulse Dialing Problems 9 KX TS550MEB KX TS550MEW ...

Page 10: ...9 3 Problems With the Handset 9 4 Tone Dialing Problems 10 KX TS550MEB KX TS550MEW ...

Page 11: ...9 5 Problems With Ringer 11 KX TS550MEB KX TS550MEW ...

Page 12: ...9 6 How to Check the IC1 Scanning to the key 12 KX TS550MEB KX TS550MEW ...

Page 13: ...R LINE CURRENT SENSE SOFT CLIP AGC V DD LI CI LS RI STB A GND LED V DD V SS MO FCI HS DP LLC OSC MFL MODE C1 C2 C3 C4 R1 R2 R3 R4 M2 M1 RO CS IC1 KEY PAD R9 sv1 AGND 3 58 ADL RS R T Q1 Q2 D23 R55 R103 S3 L H OFF D24 R14 IC2 R2 C1 Q8 Q3 Ringer D2 C34 D17 C22 HS Speaker HS MIC R10 C5 C9 R5 R6 KX TS550 BLOCK DIAGRAM R102 5 8 1 2 KX TS550MEB KX TS550MEW 13 ...

Page 14: ...11 OPTION JUMPER TABLE Note Refer to Main Flow Solder Side View P 30 14 KX TS550MEB KX TS550MEW ...

Page 15: ...rcuit for outputting the signal to line The DTMF circuit identifies inputs from the 12 keys 1 2 3 4 5 6 7 8 9 0 and by means of a total of seven frequencies that is four low frequencies Low group and three high frequencies High group Circuit Description When a dial key is pressed a DTMF signal is output from Pin 25 of IC1 as an analog synthetic wave The signal flow to the line is as follows Pin 25...

Page 16: ...16 KX TS550MEB KX TS550MEW ...

Page 17: ...Tel Line D17 Q1 R9 Pin 27 of IC1 to become the power supply for IC1 speech network The voltage from the line is turned into a constant voltage by D2 and then supplied to the IC1 reset circuit Through Tel Line R1 R3 D17 R14 to become the power supply for IC1 and the redial Back up will be done 17 KX TS550MEB KX TS550MEW ...

Page 18: ...cillator Input Signalling Mode Select Input Keyboard Column Keyboard Column Symbol Function C2 C1 R4 R3 R2 R1 FCI LED M1 M2 CS VSS VSS LI RI Keyboard Column Keyboard Column Keyboard Row Keyboard Row Keyboard Row Keyboard Row Frequency Comparator Input LED Output Driver Microphone Input Microphone Input Current Shunt Control Output Negative Power Supply Line Input EMC ground connection Receive Inpu...

Page 19: ...19 KX TS550MEB KX TS550MEW ...

Page 20: ...14 CABINET AND ELECTRICAL PARTS LOCATION 20 KX TS550MEB KX TS550MEW ...

Page 21: ...15 ACCESSORY AND PACKING MATERIALS 21 KX TS550MEB KX TS550MEW ...

Page 22: ...16 TERMINAL GUIDE OF ICs TRANSISTORS AND DIODES 22 KX TS550MEB KX TS550MEW ...

Page 23: ... CABINET COVER for KX TS550MEW PS HB 6 PQHA10018Y RUBBER PARTS FOOT CUSHION 7 PQKL10058Z2 STAND WALL MOUNT ADAPTOR for KX TS550MEB PS HB 7 PQKL10058Z1 STAND WALL MOUNT ADAPTOR for KX TS550MEW PS HB 8 PQHA10025Z RUBBER PARTS FOOT CUSHION 9 PQGT19820Z NAME PLATE for KX TS550MEB PS HB 9 PQGT19819Z NAME PLATE for KX TS550MEW PS HB 10 PQGD10167Z CARD TELCARD 11 PQGV10044Z TRANSPARENT PLATE TELCARDCOVER...

Page 24: ...KS010 1 S C29 ECEA1CKA100 10 C30 ECUV1H100JCV 10P C31 ECUV1C393KBV 0 039 C34 ECA0JM222 0 0022 C38 F1B1H1030003 0 01 C102 ECEA1HKA100 10 C103 ECUV1C563KBV 0 056 OTHERS SA2 PQVDDSS301L VARISTOR SARGE ABSORBER S X1 PQVBZTA3 58M CRYSTAL OSCILLATOR 17 2 Accessories And Packing Materials Note 1 You can download and refer to the OperatingInstructions Instruction book on TSN Server Ref No Part No Part Nam...

Page 25: ...al 2 This schematic diagram may be modified at any time with the development of new technology Important Safety Notice Components identified by mark have special characteristics important for safety When replacing any of these components use only the manufacturer s specified parts 25 KX TS550MEB KX TS550MEW ...

Page 26: ... C12 0 018 C13 0 018 C23 NC C27 NC C18 NC C19 Q8 S D G R55 1M NC R54 D23 D22 NC D17 2 1 4 3 JJ5 JJ7 JJ6 JJ8 JJ9 S3 1 4 3 2 R103 12K R101 22K R102 330 R105 NC C103 K0 056 6 8K 1 2W R2 Ringer 1 Red 2 Black S1 2 6 4 5 R104 NC R24 NC VR1 1K VR2 50K R29 0 R23 NC D24 Q1 C102 50V10 SA2 WBH201 T1 1 4 3 2 CN3 1 R 2 T WBH201 IC2 1 L 2 GND 3 4 OUT 6 5 7 8 L 50V 0 0068 C7 JP3 0 Q7 JP29 NC 1 Flash 9 0 4 6 Paus...

Page 27: ... FCI 22 LED 23 M1 24 M2 25 CS 26 VSS 27 L1 28 R1 AL 100ms JP24 JP27 0 AL JP26 D9 AL Tone82ms JP28 JP15 20pps33 JP16 20pps40 S2 TP_SWITCH 2 3 1 JP17 10pps D8 AL 600ms JP25 6 3V2200u C34 R37 18 R32 CN1 1 C4 2 C3 3 C2 4 C1 5 R4 6 R3 7 R2 8 R1 9 Flash 10 row5 11 row7 12 row8 JP18 Tone82ms JP19 Tone116m S FLT1 FLT2 JP21 270ms R16 220K JP22 600ms JP20 100ms C24 K1000p L3 10uH D1 0 D1 1 JP14 10pps 33 JP2...

Page 28: ...19 1 Memo 28 KX TS550MEB KX TS550MEW ...

Page 29: ...Q7 Q8 Q2 E C B E C B E C B G D S E C B Q3 Q1 JJ3 JJ4 JJ5 JP29 IC2 JP3 R9 1 4 3 2 D13 D24 D22 FLT2 R2 FLT1 1 3 S1 S2 4 1 S3 D8 C29 C11 VR1 VR2 JACK3 C15 C26 D9 PQUP11224Y D10 D11 1 1 4 8 5 C102 IC1 28 C1 YELLOW GREEN JP27 JJ8 JJ1 JJ9 CN1 1 2 3 4 5 6 7 8 9 10 11 12 X1 SA1 C16 C17 D23 D2 PbF KX TS550 CIRCUIT BOARD Main Component View B 29 KX TS550MEB KX TS550MEW ...

Page 30: ...17 JP14 JP23 JP15 JP16 JP24 JP20 JP21 JP22 JP25 R37 R32 R43 R38 R26 RING R3 R1 R47 JP26 JP28 R29 R20 C27 C13 C19 C12 C18 C23 R51 R21 C24 C103 C21 SP SP SP MC 12 3 9 1 28 25 R10 R106 VSS FLT1 15 A 5 1 1 4 8 5 SP MC MC MC C30 C3 G Y TP4 TIP TP3 TP5 D17 TP2 FLT2 VDD BLACK RI RED 1 1 3 4 RINGER1 for PULSE for T ONE for Ringer for Flash PbF Refer to OPTION JUMPER TABLE P 14 30 KX TS550MEB KX TS550MEW ...

Page 31: ...20 3 Operation Flow Solder Side View 1 1 2 3 10 4 CN1 V V FLASH REDIAL PbF 5 6 7 8 9 0 KX TS550 CIRCUIT BOARD Operation Flow Solder Side View 31 KX TS550MEB KX TS550MEW K I KXTS550MEBAK KXTS550MEWAK ...

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