Panasonic KX-TS2350CAB Service Manual Download | Manualshive

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KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW

G/N
KXTS2350CAB
KXTS2350CAC
KXTS2350CAH
KXTS2350CAR
KXTS2350CAW

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Summary of Contents for KX-TS2350CAB

Page 1: ...pying and distribution is a violation of law KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW Integrated Telephone System Black Version Blue Version Gray Version Red Version White Version for Kazakhstan for Uzbekistan Telephone Equipment ORDER NO KM40608170CE ...

Page 2: ...it and Redial Back up Circuit 14 8 OPTION JUMPER TABLE 15 9 CPU DATA 16 10 CABINET AND ELECTRICAL PARTS LOCATION 17 11 ACCESSORY AND PACKING MATERIALS 18 12 TERMINAL GUIDE OF ICs TRANSISTORS AND DIODES 19 13 REPLACEMENT PARTS LIST 20 13 1 Base Unit 20 13 2 Accessories and Packing Materials 21 14 FOR SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM 23 15 SCHEMATIC DIAGRAM 24 16 CIRCUIT BOARD 27 16 1 Main Compon...

Page 3: ... irons Do not heat 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 1 Suggested PbF Solder There are seve...

Page 4: ...s Used Example Main P C B IC2 1 3 1 1 4 8 5 IC1 28 CN1 1 2 3 4 5 6 7 8 9 10 11 12 PbF Marked Component View Note The location of the PbF mark is subject to change without notice 4 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 5: ...following precautions will help prevent recurring malfunctions 1 Cover the plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch IC or LSI pins with bare fingers 5 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 6: ...3 OPERATING INSTRUCTIONS 3 1 Location of Controls 3 2 Connection 3 3 Troubleshooting 6 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 7: ...4 DISASSEMBLY INSTRUCTIONS Shown in Fig To remove Remove 1 Cabinet Cover Screws 2 6 10 A 5 2 P C Boards Remove the P C Boards 7 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 8: ... tone no pulse or tone dial Check Q1 Q2 D17 Q3 and IC1 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 Adjust the setting of buttons No pulse dial Check Q1 Q2 and IC1 5 2 Pulse Dialing Problems 8 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 9: ...5 3 Problems With the Handset 5 4 Tone Dialing Problems 9 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 10: ...5 5 Problems With Ringer 10 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 11: ...5 6 How to Check IC1 Scanning to the key 11 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 12: ...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 TS2350 BLOCK DIAGRAM R102 5 8 1 2 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW 12 ...

Page 13: ... 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 of IC1 Q3 R9 Q1 Tel Lin...

Page 14: ...n 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 14 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 15: ...8 OPTION JUMPER TABLE Note Refer to Main Flow Solder Side View P 28 15 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 16: ...is the output for driving a dynamic earpiece with an impedance of 140 to 300 This is the supply pin for the circuit This is the analog ue ground for the amplifiers This is the input for side tone cancellation For complex impedance a capacitor should be connected to this pin PDM output of the melody generator for tone ringing Hi Z when not active Select pin for line loss compensation LLC AGND 20 50...

Page 17: ...10 CABINET AND ELECTRICAL PARTS LOCATION 17 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 18: ...11 ACCESSORY AND PACKING MATERIALS 18 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 19: ...12 TERMINAL GUIDE OF ICs TRANSISTORS AND DIODES 19 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 20: ...CABINET BODY for KX TS2350CAW PS HB 3 L0DDFD000002 BUZZER 4 PQSX10248Y KEYBOARD SWITCH 16 KEY for KX TS2350CAB CAC CAR 4 PQSX10248X KEYBOARD SWITCH 16 KEY for KX TS2350CAH 4 PQSX10248Z KEYBOARD SWITCH 16 KEY for KX TS2350CAW 5 PQKF10600X2 CABINET COVER for KX TS2350CAB PS HB 5 PQKF10600X4 CABINET COVER for KX TS2350CAC PS HB 5 PQKF10600X3 CABINET COVER for KX TS2350CAH PS HB 5 PQKF10600X5 CABINET ...

Page 21: ...V1H153KBV 0 015 C22 ECEA1CKA100 10 C26 ECEA1HKA010 1 C27 ECUV1C683KBV 0 068 C29 ECEA1CKA100 10 C30 ECUV1H120JCV 12P C31 ECUV1C563KBV 0 056 C34 ECEA0JU471 470 C38 F1B1H1030003 0 01 C102 ECEA1HKA100 10 C103 ECUV1C563KBV 0 056 OTHERS SA1 PQVDDSS301L VARISTOR SURGE ABSORBER VR1 PQNVZ6TLTB13 VARIABLE RESISTOR S VR2 EVNDXAA03B24 VARIABLE RESISTOR X1 PQVBZTA3 58M CRYSTAL OSCILLATOR 13 1 3 Operational P C...

Page 22: ...Memo 22 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 23: ...chematic 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 23 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 24: ...C2 4 C1 5 R4 6 R3 7 R2 8 R1 9 Flash 10 row5 Vol Q3 VSS SP TP4 TP5 TP6 JACK1 1 R 2 T C29 16V 10 0 056 C31 JJ1 JJ2 JJ3 JJ4 C12 0 047 C13 0 047 C23 NC 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 47k R101 22K R102 0 33k R105 NC C103 K0 056 2 2K 1 2W R2 1 L 2 GND 3 4 5 OUT 6 7 8 L Ringer 1 Red 2 Black S1 2 6 4 5 R104 NC Q1 JP29 0 JP3 Q7 R19 NC C20 NC ...

Page 25: ...L 100ms JP24 JP27 0 AL JP26 D9 AL Tone82ms JP28 JP15 20pps33 JP16 20pps40 S2 TP_SWITCH 2 3 1 JP17 10pps JP23 0 10pps 40 JP14 10pps33 D8 AL 600ms JP25 R37 5 6k 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 Tone116mS D11 D10 FLT1 FLT2 D15 D16 JP21 270ms JP20 100ms JP22 600ms C24 NC L3 0 R16 220K 6 3V22u C9 6 3V470u C34 TONE PULSE IC1 KX TS2350 SCH...

Page 26: ...Memo 26 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW ...

Page 27: ...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 TS2350 CIRCUIT BOARD Main Component View B KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW 27 ...

Page 28: ...16 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 15 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350...

Page 29: ... Operation Flow Solder Side View 1 1 2 3 10 4 CN1 V V FLASH REDIAL PbF 5 6 7 8 9 0 KX TS2350 CIRCUIT BOARD Operation Flow Solder Side View KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW 29 ...

Page 30: ...30 KX TS2350CAB KX TS2350CAC KX TS2350CAH KX TS2350CAR KX TS2350CAW G N KXTS2350CAB KXTS2350CAC KXTS2350CAH KXTS2350CAR KXTS2350CAW ...

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