Panasonic KX-TSC62SXB Service Manual Download

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ORDER NO. KM41103334CE

Telephone Equipment

Model No.

KX-TSC62SXB
KX-TSC62SXW

Integrated Telephone System

B: Black Version
W: White Version
(for India)

Caller ID Compatible

Summary of Contents for KX-TSC62SXB

Page 1: ...td 2011 Unauthorized copying and distribution is a violation of law ORDER NO KM41103334CE Telephone Equipment Model No KX TSC62SXB KX TSC62SXW Integrated Telephone System B Black Version W White Version for India Caller ID Compatible ...

Page 2: ...ms Circuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer IMPORTANT INFORMATION ABOUT LEAD FREE PbF SOLDERING If lead free solder was used in the manufacture of this product the printed...

Page 3: ... 12 8 4 Tone Dialing Problems 13 8 5 No Ringing Sound When Ring Signal is Input 13 9 Disassembly and Assembly Instructions 14 9 1 Disassembly Instructions 14 9 2 Assembly Instruction 16 10 Miscellaneous 18 10 1 IC Block diagram 18 10 2 How to Replace the Flat Package IC 21 10 3 Terminal Guide of the ICs Transistors and Diodes 23 11 Schematic Diagram 24 11 1 For Schematic Diagram 24 11 2 Schematic ...

Page 4: ...ion below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that con tains lead We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin Sn Silver Ag and Copper Cu This model and others like it manufactured using lead free solder will have PbF stamped on the PCB For service and repair work we...

Page 5: ...ase check the manufac turer s specific instructions for the melting points of their products and any precautions for using their product with other materi als The following lead free PbF solder wire sizes are recommended for service of this product 0 3 mm 0 6 mm and 1 0 mm 2 2 Discarding of P C Board When discarding P C Board delete all personal information such as telephone directory and caller l...

Page 6: ...0 Caller ID memory Redial The unit redials the last 5 dialed numbers Microphone Electret condenser microphone Input Jack Telephone Line Approx 202 5 mm x 76 5 mm x 130 mm Dimensions H x W x D Mass weight Approx 453 Operating Enviroment 0 o C 40 o C 20 80 relative air humidity dry g Speaker Unit Unit 5cm 2 PM Cone type 32 Handset 3 cm 113 16 PM dynamic type 150 ...

Page 7: ...1 Q433 Handset Receiving Amp Q401 Sidetone Bridge Q301 Q302 Line ON OFF W Circuit ake Up Comparator IC DTMF CID Gain Control Circuit Ring Detect Circuit Q554 Q503 Power Supply Circuit Q101 Q102 Q103 SP MIC SP Phone Circuit Q501 Q502 Q422 Ringer IC D101 T R R201 C201 D413 D106 Buzzer DTMF Vdd Wakeup FSKIn DTMF_Gain_Cnt Bell in XIN XOUT Vss DTMFIn D601 IC501 IC201 IC601 2AP ...

Page 8: ... and voice signal flow is cut Off hook During Off Hook pin 1 3 of SW301 and Q301 is ON providing an off hook condition active DC current flow through the circuit and the following is the signal flow T POS101 L101 D101 Q301 Q401 R412 D413 D101 L102 R Receiving signal flows LINE Q301 C402 C431 R431 Q431 C434 C438 R443 Q433 C440 SP handset Transmission signal flows MIC handset C422 R422 R423 C425 Q42...

Page 9: ...esponding to the RX sig nal The Attenuator Control provides a control signal to the TX and the RX attenuator to switch the appropriate signals on and off The Attenuator Control also detects the level of the volume control to automatically adjust for changing ambient conditions 1 Transmission signal path The input signal from the microphone is sent through the circuit via the following path MIC Pin...

Page 10: ... modem signal which is modulated in an FSK Frequency Shift Keying format Data 1 is a 1200 Hz sine wave and data 0 a 2200 Hz sine wave There are two types of the message for mat which can be received i e the single message format and plural message format The plural message format allows to trans mit the name and data code information in addition to the time and telephone number data FSK Frequency ...

Page 11: ...nstructions Instruction book on TSN Server 6 Installation Instructions Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book on TSN Server 7 Operating Instructions Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book on TSN Server ...

Page 12: ...sn t work DTMF Check IC601 Can t speak with the speakerphone C507 and IC501 Check IC801 R621 R619 Can t change the volume for Speakerphone Is output of C106 positive about 3 6V Is the input voltage Q101 emitter about 48V line 24V PBX Check Tel Line Check Q103 Q102 and Q101 Is output of D808 cathod about 3 4V Check D808 Check IC801 and X2 YES NO YES YES NO NO Can a pulse sound be monitored Check TE...

Page 13: ...ck C481 C484 R481 R483 and Q401 Check C481 C484 and R481 R483 NO Check IC801 and X2 NO YES Is the voltage across Pin 8 and Pin 2 of Check the telephone line Check R201 and C201 Does a sine wave of approximately 60V or more appear across Tip and Ring YES NO YES Call the unit from another telephone Does the tone ringer output signal appear across Pin 5 and Pin 2 of IC1 NO NO Check IC1 R202 R203 C202...

Page 14: ...ructions 1 2 Remove 4 Screws to remove the Cabinet Cover Remove the Hook Button 1 3 2 4 Screws Hook Button 3 Main P C Board Tel Line Jack Handset Jack Unhook the Tel Line and Handset Jack then remove the Main P C Board Do not touch the capacitor when removing the Main P C Board Capacitor ...

Page 15: ...KX TSC62SXW 3 Screws 5 Remove the 3 screws to remove the Speaker 5 3 Screws Operation P C Board 6 Remove the 3 screws to remove the Operational P C Board 6 Speaker 2 Screws Remove the 2 screws to remove the Buzzer 4 4 ...

Page 16: ...this page They may differ from the actual product P C Board LCD New LCD Peel off the HSC Heat Seal Connector from the P C board in the direction of the arrow Use some IPA alcohol to gently remove glue stain on the P C board 2 1 Fit the heatseal of the new LCD 0 2 mm 0 2 mm Horizontal Interval Tolerance Vertical Interval Tolerance OK NG NG NG Horizontal interval tolerance is more than 0 2 mm Vertic...

Page 17: ...seconds each position in case of 60W soldering iron with 10kg pressure applied 3 times on position A C as shown below Note Make sure copper part of solder jig is not touch the new LCD which will cause burn Rubber of Soldering Iron Part No PQZZ430PRB Tip of Soldering Iron Part No PQZZ430PIR 3 ...

Page 18: ...it A D CONVERTERNOTE1 10 bit A D CONVERTERNOTE2 INTERRUPT CONTROL POC LVI CONTROL 78K 0 CPU CORE FLASH MEMORY INTERNAL HIGH SPEED RAM INTERNAL EXPANSION RAM P11 to P14 P20 to P27 P31 to P34 P40 to P44 P80 to P83 P100 to P103 P110 to P113 P121 to P124 P140 to P143 P150 to P153 PORT 15 P120 BUZ P33 EXLVI P120 KR0 P40 to KR4 P44 OCD0B X2 OCD0A X1 MCGO P32 RIN P41 RTC1HZ P34 RTCDIV RTCCL P33 X1 P121 R...

Page 19: ...wer supply pin for the lC It is connected to the pin of the diode bridge This is used to change the operation initiation current when connected to the GND pin This is connected to the time constant that determines the oscillation frequency on the warble This pin has the lowest potential on the lC It is connected to the pin of the diode bridge This is connected to the time constant that determines ...

Page 20: ... line sig nals The required V voltage is 6 0 to 11 V 7 5 V nominal at 7 0 mA 17 AGC A capacitor from this pin to VB stabilizes the speaker amp gain control loop and additionally controls the attack and decay time of this circuit The gain control loop limits the speaker amp input to prevent clipping at SKO The internal resistance at the AGC pin is nominally 110 kohms 18 CS Digital chip select input...

Page 21: ...he PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder Pbf Pb free P 4 10 2 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into the ...

Page 22: ...the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 10 2 4 How to Remove a Solder Bridge 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below ...

Page 23: ...3J0L B1ABDF000026 B1GBJCJJ0003 2SD1819KSL 2SB1218KSL B1ABDM000001 8 5 4 1 C1CB00002903 PQVINJU7014R MA111 DB2J31400L Cathode Anode B1AAKD000013 PQVT2N6517CA PNWITSC62SXH 49 64 1 16 17 32 33 48 C1CB00001673 1 14 15 28 E C B Cathode Anode 1SS133 E C B B1ACGP000007 B1BCAP000026 E C B Cathode Anode PQVDMZJ5R1C Cathode Anode MA4056 ...

Page 24: ...W 11 Schematic Diagram 11 1 For Schematic Diagram 1 DC voltage measurements are takens with electronic voltmeter from negative terminal 2 This schematic diagram may be modified at any time with the development of new technology ...

Page 25: ...25 KX TSC62SXB KX TSC62SXW Memo ...

Page 26: ...R602 2 7K C620 0 027u C610 1u R611 18k C619 4 7u 16 R604 4 7k C605 0 0027u R606 30k C616 0 1u C611 1u R612 820 R600 3 9K C615 22u 16 C603 0 0082u R607 68k C601 1000u 6 3V R613 100k R601 10k R618 6 8K R605 2 2M D305 R494 1M R496 1 5M R497 470k R498 2 7M R495 56k R482 10k C482 0 01u Q305 C624 0 D414 R620 NC TP21 BELLIN TP22 DTMF_GAIN_CNT TP20 WAKEUP TP23 DTMFIN TP15 BEEP TP13 RXMUTE TP19 VSS TP14 TX...

Page 27: ... R515 10k R508 3 3M R522 180k C511 0 1u R512 220k 3 6V RINGER 1 2 TP3 TP4 C551 560p Q554 C554 1000p GND D807 R202 27k R204 10k R203 330k IC201 1 LINE1 2 GND 3 Csw 4 Ra 5 OUT 6 NC 7 Cr 8 LINE2 C201 1u 250 R562 220k R563 2 2M R565 1M TP1 TP2 R523 330k R503 330k R505 680k R509 220k R514 150k C523 390p C503 390p R551 680k R554 47k R555 4 7K R556 47k 3 5 5 R M 7 4 Q503 3 6V R564 470k C557 0 1u C555 0 0...

Page 28: ...2 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 1 2 SEG21 TP25 HOOKDET TP17 PULSE TP12 SPCS C803 22p TP27 TP11 RELAY 4 1 2 D802 SEG10 C808 NC C809 1000u 6 3V D808 TP18 VDD X2 8M 1 2 3 C512 0 1u C107 0 047u CID 1 2 REDIAL 1 2 FLASH 1 2 DOWN 1 2 SP 1 2 SP1 1 2 PROG MUTE 1 2 UP 1 2...

Page 29: ...02 D321 J3 J14 D106 J8 C105 R105 Q102 SW201 Q101 Q103 D103 R103 J1 C203 POS101 JJ1 YELLOW GREEN SW301 Q401 R412 C419 D413 C413 J7 J10 JJ401 RED BLACK GREEN YELLOW CN1 E E E E E C201 R307 D414 C601 J5 J2 D601 C614 C618 J13 C615 C619 C621 C617 J4 CN2 RED WHITE J12 R615 J11 J9 J6 D305 KX TSC62SX CIRCUIT BOARD Main Component View A PNLB1988Z PbF ...

Page 30: ...24 TP25 TP4 TP3 Q503 D807 Q502 R517 R562 C556 C564 R565 R563 C557 R554 R555 R558 R557 C558 Q554 R553 C554 R556 R516 R515 R514 R497 C482 C481 C511 R513 Q501 R506 R505 R508 IC501 R512 C509 C551 C507 R507 R509 C555 R551 R523 C523 C508 C510 R510 R511 R503 C503 R502 R501 R521 R522 C502 C522 C439 R492 Q434 C490 R498 C484 C496 C435 R436 R434 Q433 C454 R443 R414 C438 C434 8 5 1 4 4 1 8 5 BLACK RED RINGER ...

Page 31: ...31 KX TSC62SXB KX TSC62SXW 12 2 Circuit Board Operation 12 2 1 Component View KX TSC62SX CIRCUIT BOARD Operation Component View PNLB1989Z PbF X2 X1 C809 C808 MIC MIC MIC CN1 RED WHITE CN2 1 A BOND ...

Page 32: ...619 FLMD0 C803 C802 RESET STB3 KEY1 KEY2 STB2 6 5 2 3 1 4 7 8 KEY3 9 GND0 D808 0 A KEY4 STB1 CID DOWN UP SP MIC SP1 MIC PROG MUTE CLEAR FLASH EXIT REDIAL STB4 STB5 D802 D803 D804 D805 D806 TP13 TP12 TP11 WHITE RED TP10 TP14 TP16 TP15 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 C630 TP25 RA1 1 1 6 1 7 3 2 3 3 4 8 4 9 6 4 KX TSC62SX CIRCUIT BOARD Operation Bottom View ...

Page 33: ...33 KX TSC62SXB KX TSC62SXW 13 Exploded View and Replacement Parts List 13 1 Cabinet and Electrical Parts PCB2 E1 E2 PCB1 4 3 5 1 2 8 7 6 MIC1 C 9 Ref No Figure C A B B A ...

Page 34: ...34 KX TSC62SXB KX TSC62SXW 13 2 Accessories P1 A3 A1 A2 ...

Page 35: ...JK1134Z KEYBOARD SWITCH RUB BER KEY for KX TSC62SXW 5 L0AA05A00096 SPEAKER 6 L0DDFD000002 BUZZER 7 PQMG10025W RUBBER PARTS MIC 8 PNKF1167Z2 CABINET COVER for KX TSC62SXB PS HB 8 PNKF1167Z1 CABINET COVER for KX TSC62SXW PS HB 9 PQHA10023Z RUBBER PARTS FOOT CUSHION Safety Ref No Part No Part Name Description Remarks PCB1 PNWP1TSC62SX MAIN P C BOARD ASS Y RTL IC IC201 C1CB00002903 IC IC501 PQVINJU701...

Page 36: ...7k S R603 ERJ3GEYJ332 3 3k S R604 ERJ3GEYJ472 4 7k S R605 ERJ3GEYJ225 2 2M S Safety Ref No Part No Part Name Description Remarks R606 ERJ3GEYJ303 30k S R607 ERJ3GEYJ683 68k S R608 ERJ3GEYJ472 4 7k S R609 ERJ3GEYJ185 1 8M S R610 ERJ3GEYJ104 100k S R611 ERJ3GEYJ183 18k S R612 ERJ3GEYJ821 820 S R613 ERJ3GEYJ104 100k S R614 ERJ3GEYJ473 47k S R615 ERDS2TJ103 10k R616 ERJ3GEYJ472 4 7k S R617 ERJ3GEYJ222...

Page 37: ... ARRAY RESISTORS R619 ERJ3GEYJ333 33k S R621 ERJ3GEYJ683 68k S R801 ERJ3GEYJ473 47k S R808 ERJ3GEYJ123 12k S R810 ERJ3GEYJ395 3 9M S R811 ERJ3GEYJ395 3 9M S CAPACITORS C107 ECUV1C473KBV 0 047 C512 ECUV1C104KBV 0 1 C801 ECUV1C104KBV 0 1 C802 ECUV1H220JCV 22p C803 ECUV1H220JCV 22p C805 ECUV1C104KBV 0 1 C806 ECUV1C104KBV 0 1 C807 ECUV1C104KBV 0 1 C809 ECA0JM102 0 001 S C820 ECUV0J105KBV 1 OTHERS E1 P...

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