Panasonic KX-TS620BX1 Page 29 Service Manual Download

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KX-TS620BX1

12 Printed Circuit Board

12.1. Circuit Board (Main)

12.1.1. Component View

C914

RED

WHITE

PC1

D102

D901

D902

D904

D905

D90

LCD

PbF

Q106

Q104

Q109

Q10

Q108

Q702

Q701

RING

CP2

CP1

WHITE

RED

GREEN

YELLO

GREEN

JJ101

JJ102

YELLO

POS101

TIP

RING

TIP

LED804

R11

R10

R502

R50

R998

R997

R992

R951

R952

R906

R904

R91

R99

R915

RA5

RA4

RA6

RA7

R985

R996

R914

C505

C924

C111

C705

D701

R701

C942

C904

IC901

IC1

IC303

IC304

KX-TS620

C910

C911

C91

C948

C958

C94

C959

C941

C905

R910

C118

C114

128

102

GND

UTX

URX

UP11370X

PQ
UP11370X

PC2

CP2

JP102

PbF

CP1

D101

D10

D502

D501

D106

R988

R124

C107

R111

R118

R117

JP101

R909

R902

R991

R704

R70

R702

R905

C950

R908

R501

R504

X900

R90

R986

R995

R987

R994

C106

C120

C102

R116

R107

R418

R924

R416

R41

R417

R990

R410

R412

R414

R927

R926

R415

R411

R108

08 L

07 R4

CN402

CN401

C101

C502

C501

C949

C908

C110

C907

C947

C946

C906

C704

C70

C901

C90

C915

C504

C506

C50

C952
C9

C909

C957

C706

C702

C940

C954

C956

C945

C95

R989

C944

C951

Q105

R110

R109

R119

R120

R121

R12

R125

C104
C11

C117

C116

C115

SA101

SA102

D90

D920

D104

D105

Q902

Q901

Q401

Q402

Q102

SW101

Q107

R925

IC305

IC905

IC903

IC902

IC904

R419

R422

R420

R106

R115

R122

R112

R10

R101

R114

R102

C10

R105

R104

R11

CN40

C925

C422

C420

C421

C42

C417

C105

C108

C112

BLA

RED

GREEN

YELLO

D910
D909

D911

D912

D10

Q101

Q110

C929

C926

D907

C955

C41

C416

C415

C428

C418

C414

C928

C927

C419

KX-TS620 CIRCUIT BOARD (MAIN) Component View

Summary of Contents for KX-TS620BX1

Page 1: ...tworks Co Ltd 2012 Unauthorized copying and distribution is a violation of law ORDER NO KM41204567CE Telephone Equipment KX TS620BX1 Telephone Answering System 1 White Version for UAE and Saudi Arabia Caller ID Compatible ...

Page 2: ...cuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these cirtical parts should be replaced with manufactuer 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 circui...

Page 3: ...oubleshooting Guide 14 8 1 Troubleshooting Guide 14 9 Disassembly and Assembly Instructions 21 9 1 Disassembly Instructions 21 10 Miscellaneous 22 10 1 How to Replace the Flat Package IC 22 10 2 How to Remove the IC 22 10 3 How to Install the IC 23 10 4 How to Remove a Solder Bridge 23 10 5 Terminal Guide of the Ics Transistor and Diodes 24 11 Schematic Diagram 25 11 1 For Schematic Diagram 25 11 ...

Page 4: ...ead 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 suggest using the same type of solder Caution PbF solder has a melting point that is 50 F 70 F 30 C 40 C higher than Pb so...

Page 5: ... 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 3 Discarding of P C Board When discarding P C Board delete all personal information such as telephone directory and caller list or sc...

Page 6: ...notice Power Supply AC adaptor AC 220 V 240 V 50 60 Hz PQLV219EW Power Consumption Standby Approx 2 4 W Maximum Approx 3 0 W Dimensions H x W x D Approx 91 mm x 165 mm x 220 mm Mass Weight Approx 670 g Dialing Mode Tone DTMF Pulse Operating Environment 5 C 40 C Ringer Equivalence No REN 1 0 B ...

Page 7: ...dset MIC SP IC904 Q402 Q108 Ringer indication LED LED 804 1AP SUB IC901 DSP MICON N S B B IC JOHN SMITH 1234567890 Keyboard Switch RINGER IC BELL Line ON OFF Handset Sending Amp Headset Detection FLASH MEMORY CIDIN CIDIN V SP Phone Amp MIC LSR HeadsetDET MIC LSR LINE IN LINE OUT Sidetone Bridge Reg 1 8V Reg 3 2V RSTn VDD AVD VDDIO VBAT2 Reset IC Regulator 4 0V Regulator 4 0V ACFL Power Down Detect...

Page 8: ...or for bell detection purpose Refer to Ringer IC P 10 SP AMP IC904 Low voltage audio power amplifier Additionally Power Supply Circuit 4 0V 4 0V 3 2V 1 8V output Telephone Line Interface Circuit Bell Detection Circuit SP Phone Circuit Handset Circuit TAM Circuit 4 2 2 Power Supply Circuit The power is supplied to the BBIC Flash ROM SP AMP Logic IC LCD LED from AC adaptor 6 5V as below BBIC IC901 C...

Page 9: ...IC Caller ID signal is sent through the circuit via following path T C501 R503 R905 IC901 107 R C502 R504 R908 IC901 112 4 2 3 3 On Off Hook Circuit In standby mode SW101 is open and Q104 is OFF Consequently Q103 is open and cut the DC loop current and voice signal This is an on hook condition When handset is picked up or SP Phone key is pressed Q104 turns on and then Q103 turns on thus providing ...

Page 10: ...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 the oscilla...

Page 11: ...Supply 2 VSS 0V Power Supply 3 DB4 Data Bus Line H L 4 DB5 Data Bus Line H L 5 DB6 Data Bus Line H L 6 DB7 Data Bus Line H L 7 R W Read Write H L 8 E Enable Signal H 9 D C Data Command Control H L 10 CS Chip Signal L 11 RES Reset Signal Input L 1 VDD LCD SSD1801AV CONTROLLER SEG 80 COM 24 ICON 2 VSS 3 6 DB4 DB7 7 R W 8 E 9 D C 10 CS 11 RES ...

Page 12: ...RX T D7 from Tel Line R D8 Q103 C113 R125 C118 L311 R992 IC901 102 IC901 110 C930 R925 IC904 4 IC904 8 C925 SP IC904 5 SP Headset TX Headset MIC CN402 5 C415 R411 R412 C416 Q401 to Tel Line C417 R952 IC901 118 IC901 100 L312 R936 R937 C951 Q108 Q103 D9 T D10 R Headset RX T D7 from Tel Line R D8 Q103 C113 R125 C118 L311 R992 IC901 102 IC901 111 C423 R422 C428 CN402 3 Headset ICM Recording T D7 from...

Page 13: ...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 7 1 For Service Hint 1 If the current password is forgotten enter 726276642 at the change password menu and you will be able to change the password After you ente...

Page 14: ...t No LCD display Power ON Base Unit Check Power OK No bell Check Bell Detection OK Not playback Playback Greeting Check Playback OK Not record Record Message Check Record OGM ICM OK No voice SP Phone Voice Transmission Check SP Phone Voice Transmission OK No voice SP Phone Voice Reception Check SP Phone Voice Reception OK No voice Handset Voice Transmission Check Handset Voice Transmission OK No v...

Page 15: ...ltage of test point TP302 about 1 8V Is the voltage of BBIC 57 low Is the voltage of test point TP905 high NO Does BBIC 21 oscillate at 10 368MHz Check IC303 R301 Q301 R307 C309 Check IC903 C901 D901 Check X900 C910 C911 Check BBIC NO NO NO NO NO NO NO Check Power Supply Circuit YES YES YES YES YES NO NO NO NO NO Input bell signal from LINE Is there bell signal at IC1 8 Check around R1 C1 D1 D6 C2...

Page 16: ...around R924 R925 C926 C930 Check speaker and C925 NO NO NO NO NO YES YES YES YES YES YES Check MIC flat cable connection R932 R934 C937 Check OGM Record in Signal Route Check BBIC and IC902 Incoming Message ICM not recorded Is the MESSAGE indicator LED on Input bell signal from LINE Is BBIC 63 become low when bell signal comes in Does the unit catch line after few ringings Is there any signal at B...

Page 17: ... the microphone of BASE UNIT and SP PHONE on Is there signal at BBIC 114 Is there output signal at BBIC 100 Is there output signal at base of Q108 Is there output signal at T R Check Tel Cord YES YES YES YES NO NO NO NO Check On Off Hook Circuit Input signal 1 0kHz 30dBm to Tel Line and SP PHONE on Does the unit catch line Check SP phone RX in Signal Route Check BBIC Check IC905 BBIC Check around ...

Page 18: ...al at BBIC 100 Is there output signal at base of Q108 Is there output signal at T R Check Tel Cord Check Handset TX in Signal Route Check BBIC Check Handset TX in Signal Route Check On Off Hook Circuit YES YES YES YES NO NO NO NO Input signal 1 0kHz 20dBm to Tel Line and off hook Does the unit catch line Is there input signal at BBIC 102 Is there output signal at test point TP904 Is there output s...

Page 19: ...NO Set dial mode to PULSE mode dial a number Is there pulse monitor sound Is there pulse signal 3 2V 0 at base of Q109 Is there pulse signal 0 6V 0 at base of Q104 Check Q104 Q103 R108 R113 Check R910 C905 and C428 Check BBIC and L316 Check Q109 Set dial mode to TONE mode dial a number Check DTMF tone output to LINE in Signal Route ...

Page 20: ...hanger Contact the telephone company to subscribe Caller ID features Check around R501 R503 C501 C503 R905 Check around R502 R504 C502 C504 R908 Data in 1200Hz or 1300Hz Data 1 2100Hz or 2200Hz Data 0 A Input Caller ID sigal Did bell ring Message indicator blinks Was Caller ID signal sent between 1st bell and 2nd bell at T R Is there CID signal at BBIC 107 Is there CID signal at BBIC 112 Check R98...

Page 21: ...he sheet and the tape Detach the main p c board from the hook Remove the tape and solders to remove the main p c board Remove the 9 screws to remove the operational p c board LINE DATA SERIAL NO 5 screws K0L1LB000016 L G K S M K T O P Hook Detach the main pcb from this hook FFC Tape Sheet Button Main p c board 9 screws Remove the operational p c board Remove the main p c board Tape and solders ...

Page 22: ...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 1 1 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 joint b...

Page 23: ... 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 1 3 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 24: ...07 B1AAKD000013 C1BB00001024 C1CB00002315 C0CBACC00036 B E C E C B Cathode Anode MA4180 MA4300 B0EAAD000001 PQVD1T4R1T Cathode Anode MA8047 MA111 B0JCDD000002 Cathode Anode E C B Cathode Anode PSVD1SRCT 1 3 2 4 PQVIPS3450UT PQVIPS3327UT B1CEDF000003 C1CB00001879 PQWITS620BX 1 24 25 48 103 128 1 38 39 64 65 102 20 11 10 1 PSVISNLV273A MA4047 ...

Page 25: ...chematic 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 26: ... 7 GND 8 VO2 C925 6 3V220 Z1 0 C928 C926 K0 1 Q701 C702 16V10 Q702 R703 2 2K C703 16V10 K0 015 C930 3 2V 1 8V 3 2V 3 2V Z0 22 C901 3 2V D901 3 2V C7 16V10 1K R8 R951 2 2K 1K R906 K0 056 C903 1 8V 1 CLR 2 1Q 3 1D 4 2D 5 2Q 6 3Q 7 3D 8 4D 9 4Q 10 GND 11 CLK 12 5Q 13 5D 14 6D 15 6Q 16 7Q 17 7D 18 8D 19 8Q 20 VCC 3 2V 3 2V TP601 CN403 1 MSG_LED 2 SP_LED 3 VDD 4 STB5 5 STB4 6 STB3 7 STB2 8 STB1 9 STB0 ...

Page 27: ...K R304 100K 4 0V 1 VIN 2 VSS 3 NC 4 NC 5 VOUT C108 K0 01 4 0V 1 VIN 2 VSS 3 NC 4 NC 5 VOUT D306 C311 Z0 1 C313 Z0 1 Q109 R107 680K 50V1 C4 R6 0 5 0V VCC VOUT NC GND R301 22K D3 D4 D5 D6 D7 D8 D9 D10 30V D1 PC3 NC 1 2 3 4 R10 NC R9 NC R7 10K C6 K0 1 D905 4 7V D904 4 7V D903 4 7V 47K R106 C107 10V330 C103 Z0 01 4 7K R115 R114 NC 2 2M R102 2 7M R104 NC R105 Q101 10M R101 Q102 6 3V330 C307 D105 R303 1...

Page 28: ...ICM KIN5 OK VOL_DOWN STOP KIN1 3 6 CN801 1 MSG_LED 2 SP_LED 3 VDD 4 STB5 5 STB4 6 STB3 7 STB2 8 STB1 9 STB0 10 KIN5 11 KIN4 12 KIN3 13 KIN2 14 KIN1 15 KIN0 16 NC 17 MIC 18 GND NC No Components REDIAL PAUSE KIN4 VCC MIC 7 FLASH STB5 SP PHONE KIN3 KEYLOCK STB3 SP_LED SP_LED LED801 ANS_LED LED802 MSG_LED KIN2 STB0 KIN5 STB3 STB4 KIN0 KIN4 STB1 KIN3 KIN1 STB2 KX TS620 SCHEMATIC DIAGRAM OPERATION ...

Page 29: ... C303 C305 C316 R1 R988 R124 C107 R111 R118 R117 R8 C302 8 1 4 5 JP101 R909 R902 R991 R704 R703 R702 R905 C950 R908 R501 R504 X900 R903 R986 R995 R133 R987 R994 C106 C120 C102 R116 R107 R418 R924 R416 R413 R417 R990 R410 R412 R414 R927 R926 R415 R411 R108 C B E C B E C B E C B E C B E C L303 L308 L307 R430 CN402 CN401 B E C101 C502 C501 C7 C949 C908 C110 C907 C947 C946 C906 C704 C703 C901 C903 C91...

Page 30: ...01 TP302 TP901 UTX TP303 TP402 TP401 MIC SP TP403 SW101_1_1 SW101_1_2 VDD KIN5 KIN3 STB1 STB3 STB4 STB5 TP604 TP603 SP_LED MSG_LED SP_PHONE WHITE WHITE RED RED STB2 STB0 KIN0 KIN1 KIN2 KIN4 URX GND JTIO TP602 TP601 TP304 PQUP11370X PQUP11370X PbF A KX TS620 CIRCUIT BOARD MAIN Flow Solder Side View ...

Page 31: ...31 KX TS620BX1 12 2 Circuit Board Operation 12 2 1 Component View CN801 MIC 17 18 1 2 PQUP11371Z KX TS620 CIRCUIT BOARD OPERATION Component View A PbF ...

Page 32: ...OL_UP OK NAVI_LEFT NAVI_RIGHT FUNCTION GREETING ERASE_620 STOP MESSAGE SP PHONE MUTE T S 6 0 0 T S 6 2 0 M1 M2 M3 KX TS620 CIRCUIT BORAD OPERATION Flow Solder Side View PbF KEYLOCK ANS_ON_620 ERASE_600 LED802 LED801 KIN5 KIN1 STB2 STB5 ANS_LED VCC STB4 STB1 STB3 KIN4 KIN0 KIN2 CN801 MICM MICP SP_LED STB0 KIN3 A T S 6 2 0 ...

Page 33: ... KX TS620BX1 13 Exploded View and Replacement Parts List 13 1 Cabinet and Electric Parts 18 20 9 3 8 1 2 12 13 10 11 4 5 6 7 17 19 21 Ref No Figure A B B PCB2 PCB1 E1 15 14 MIC 16 B A 2 6 x 12mm 2 6 x 8mm ...

Page 34: ...34 KX TS620BX1 13 2 Accessories and Packing Materials A2 A3 A5 A6 A4 P2 P1 A1 ...

Page 35: ...ECST EEE Electlytic ECQP Polypropylene Wattage Type Voltage Of Capacitor 10 16 1 8W 14 25 1 4W 12 1 2W 1 1W 2 2W 3 3W Voltage ECQ Type ECQG ECQV Type 05 50V 1 100V 2 200V ECSZ Type 0J 6 3V 1A 10V 1C 16V 1E 25 25V 1V 35V 50 1H 50V 1J 16V 2A 100V 0F 3 15V 1A 10V 1V 35V 0J 6 3V Others 1H 50V 2A 100V 2E 250V 2H 500V 13 PQSX10309Z KEYBOARD SWITCH 13 KEY 14 PQMG10025W RUBBER PARTS MIC 15 PQHG10622Z RUBB...

Page 36: ...2 1K R101 PQ4R10XJ106 10M R102 ERJ3GEYJ225 2 2M R103 D0GB104JA057 100K R104 ERJ3GEYJ275 2 7M R106 D0GB473JA057 47K R107 ERJ3GEYJ684 680K R108 ERDS2TJ472 4 7K R112 ERDS2TJ683 68K Ref No Part No Part Name Description Remarks R113 PQ4R10XJ104 100K S R115 ERJ3GEYJ472 4 7K R116 D0GB473JA057 47K R117 ERJ3GSYJ682 6 8K R118 ERJ3GEYJ472 4 7K R119 ERJ3GEYJ182 1 8K R120 ERJ3GEY0R00 0 R121 D0GB103JA057 10K R1...

Page 37: ...3 ECUV1C563KBV 0 056 C904 ECUV1H332KBV 0 0033 C905 ECUV1H103KBV 0 01 C906 ECUV1H223KBV 0 022 C907 ECJ1VB1H221K 220P C908 ECUV1C473KBV 0 047 C909 ECJ1VF1H103Z 0 01 S C910 ECUV1H180JCV 18P C911 ECUV1H150JCV 15P C913 ECUV1C104ZFV 0 1 C914 ECUV1C104ZFV 0 1 C915 ECUV1H332KBV 0 0033 C924 ECUV1C104ZFV 0 1 Ref No Part No Part Name Description Remarks C925 ECEA0JKA221 220 C926 ECUV1C104KBV 0 1 C927 ECUV1C1...

Page 38: ...38 KX TS620BX1 13 3 3 Screws YANI KXTS620BX1 Safety Ref No Part No Part Name Description Remarks A PQHV2612PJ65 TAPPING SCREW B XTW26 8PFJ7 TAPPING SCREW ...

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Panasonic KX-TS620BX1, Service Manual

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