Panasonic KX-TS3MXB Service Manual Download Page 13 | Manualshive

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13 TROUBLE SHOOTING GUIDE

13.1. Service Hints

SYMPTOM

CURE

No Tone Dialing.

Check IC1, Q3, Q9, R37, R38, R34 and R35.

Dead.

Check IC1, Q2 and Q1.

Rings, no dial tone, no pulse or tone dial.

Check Q1, Q2, D1.

No rings.

Check C1, R1, R3 and IC2.

No pulse dial.

Check Q1 and Q2.

13.2. Pulse Dialing Problems

13

KX-TS3MXB / KX-TS3MXF / KX-TS3MXP / KX-TS3MXR / KX-TS3MXW

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Summary of Contents for KX-TS3MXB

Page 1: ...nd distribution is a violation of law KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW Integrated Telephone System Black Version Skeleton Blue Version Skeleton Pink Version Red Version White Version for Asia Middle Near East and Other areas Telephone Equipment ORDER NO KM40103772C3 ...

Page 2: ...Circuit 11 12 2 Tone Dial Circuit 11 12 3 Ringer Circuit 12 12 4 Power Circuit and Redial Back up Circuit 12 12 5 Sending Circuit Tx 12 12 6 Receiving Circuit Rx 12 13 TROUBLE SHOOTING GUIDE 13 13 1 Service Hints 13 13 2 Pulse Dialing Problems 13 13 3 Problems With the Handset 14 13 4 Tone Dialing Problems 14 13 5 Problems With Ringer 15 13 6 How to Check the IC1 Scanning to the key 15 14 CABINET ...

Page 3: ...1 LOCATION OF CONTROLS 3 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 4: ...2 CONNECTION 4 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 5: ...ls 3 1 1 To redial the last number dialed 3 2 Answering Calls 4 SPECIAL FEATURES 4 1 For Call Waiting Service Users 4 2 Temporary Tone Dialing For Rotary or Pulse Service Users 5 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 6: ...SSEMBLY INSTRUCTIONS Ref No Procedure Shown in Fig To remove Remove 1 1 1 Lower Cabinet Screws 2 6 10 A 5 2 1 2 2 Printed Circuit Board Remove the P C Board 6 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 7: ... 863 Original flux will be replaced daily 6 2 Procedure 1 Temporary fix FLAT PACKAGE IC by soldering on two marked 2 pins Most important matter is accurate setting of IC to the corresponding soldering foil 2 Apply flux for all pins of FLAT PACKAGE IC 3 Solder employing specified solder to direction of arrow as sliding the soldering iron 6 3 Modification Procedure of Bridge 1 Re solder slightly on ...

Page 8: ...7 CPU DATA 8 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 9: ...8 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 9 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 10: ... OPTION JUMPER TABLE 10 1 Dialing Mode SW IC1 SW Position Pin 13 LOW Tone dialing Pin 13 High Pulse dialing 10 pps Flash time Option 100 ms JP 4 600 ms JP 5 default 11 BLOCK DIAGRAM IC2 10 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 11: ...s 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 12 of IC1 as an analog synthetic wave The signal flow to the line is as follows Pin 12 of IC1 R37 Q9 Q3 Q1 Tel Line The DTMF signal is sent to the line via the following path Q...

Page 12: ...network The voltage from the line is turned into a constant voltage by D6 and then supplied to the IC1 and sending and receiving circuit of the set At ON HOOK status the voltage from the line via R40 R5 is turned into a constant voltage by D8 and then become power supply for IC1 Pin14 and the redial Back up will be done 12 5 Sending Circuit Tx When a person talk through the Handset the voice analo...

Page 13: ...Dialing Check IC1 Q3 Q9 R37 R38 R34 and R35 Dead Check IC1 Q2 and Q1 Rings no dial tone no pulse or tone dial Check Q1 Q2 D1 No rings Check C1 R1 R3 and IC2 No pulse dial Check Q1 and Q2 13 2 Pulse Dialing Problems 13 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 14: ...13 3 Problems With the Handset 13 4 Tone Dialing Problems 14 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 15: ...13 5 Problems With Ringer Check R1 C1 IC2 R3 C37 R2 C3 C2 13 6 How to Check the IC1 Scanning to the key 15 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 16: ...14 CABINET AND ELECTRICAL PARTS LOCATION 16 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 17: ...15 ACCESSORY AND PACKING MATERIALS 17 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 18: ... 3 PQSX10164Y RUBBER SWITCH 14KEY for KX TS3MXB for KX TS3MXR 3 PQSX10164X RUBBER SWITCH 14KEY for KX TS3MXF for KX TS3MXP 3 PQSX10164Z RUBBER SWITCH 14KEY for KX TS3MXW 4 PQYF10189Y2 LOWER CABINET for KX TS3MXB S 4 PQYF10189W4 LOWER CABINET for KX TS3MXF S 4 PQYF10189V5 LOWER CABINET for KX TS3MXP S 4 PQYF10189X3 LOWER CABINET for KX TS3MXR S 4 PQYF10189Z1 LOWER CABINET for KX TS3MXW S 5 L0DDFD00...

Page 19: ...3KBV 0 033 S C20 ECUV1H103KBV 0 01 C21 ECUV1H822KBV 0 0082 C22 ECUV1H101JCV 100P C23 ECUV1C104KBV 0 1 C24 ECUV1H561JCV 560P S C26 ECEA0JKA221 220 C27 ECUV1H330JCV 33P C28 ECUV1H330JCV 33P C33 ECUV1H103KBV 0 01 C35 ECUV1H102KBV 0 001 C37 ECEA1HKA010 1 C42 ECUV1C224ZFV 0 22 C43 ECUV1C104KBV 0 1 C44 ECUV1H271KBV 270P C45 ECUV1H271KBV 270P C46 ECUV1H271KBV 270P C47 ECUV1H271KBV 270P 16 2 ACCESSORIES A...

Page 20: ... from the loop simulator 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 20 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW ...

Page 21: ...M 18 1 Component View IC2 IC1 R59 R58 C46 R21 R19 R43 C29 C30 R41 R42 C31 Q8 B E E B C B E C B E C C E B C E B C E B C E B C C35 R32 C33 R25 C17 R27 R35 R24 R26 C16 R20 R22 C47 E B C E B C E B C KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW 21 ...

Page 22: ...18 2 Flow Solder Side View IC2 IC1 B C E E C B E C B E C B E C B B C E KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW 22 ...

Page 23: ...26 5 75 0 04 0 45 0 45 Q4 0 02 1 51 0 63 0 00 0 03 0 32 Q5 0 00 0 00 0 00 0 00 0 00 0 00 Q6 NC NC NC NC NC NC Q7 2 66 4 53 3 28 0 00 0 03 0 43 Q8 0 00 0 00 0 00 0 00 0 00 0 00 Q9 0 14 2 41 0 77 0 00 0 03 0 38 Q10 4 10 0 00 4 05 1 38 0 00 1 35 VOLTAGE CHECK IC1 MODE PIN NO 1 0 00 1 50 2 0 00 1 50 3 0 00 1 48 4 0 00 1 48 5 0 00 0 00 6 0 00 0 00 7 0 00 0 00 8 4 10 1 47 9 4 07 1 45 10 0 00 1 43 11 0 6...

Page 24: ...KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW 24 ...

Page 25: ...25 KX TS3MXB KX TS3MXF KX TS3MXP KX TS3MXR KX TS3MXW M KXTS3MXB KXTS3MXF KXTS3MXP KXTS3MXR KXTS3MXW Printed in Japan ...

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