Panasonic KX-TS620BX1 Page 26 Service Manual Download

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KX-TS620BX1

11.2. Schematic Diagram (Main)

R952

2.2K

C909

Z0.01

Z0.1

C94

10.36

X900

R913

R704

5.6K

R702

5.6K

R914

R915

R925

39K

R701

15K

6.3V22

C937

K3300P

C904

W101

120K

R924

LCD

Vcc

GND

R/W

D/C

R932

100

C910

C911

J15P

2.2K

R934

Z1.0

C927

C929

K220P

C915

K3300P

VDDIO

AD9

AD10

AD11

AD12

AD13

AD14

PLED

D/C

VDD

RFCLK

VDDRF

XTAL

CAP

AVD

RDI

CMPREF

TDO

AD15

AD16

EXHOOOKDET

dsetDET

MI/READY

CLK

UTX

URX

JTIO

ROW0

ROW1

ROW2

ROW3

ROW4

VDDIO

ACFL

HOOKDET

DAB10

DAB3

DAB11

VDD

VDDIO

PUL

R/W

AGC

DAB4

DAB12

DAB5

DAB13

DAB6

DAB14

DAB7

DAB15

RLY

P1[6]/PON/INT6n

P1[7]/CHARGE/INT7n

P2[6]/stop_ch

rge

RINGING

LINEREF

100

LINEOUT

101

102

LINE_IN-

109

AVD2

110

R+/REF

111

R-/REF

112

CIDIN-

113

CIDOUT

114

MIC-

115

VREF-

116

VBUF

117

AGND

MIC+

119

VREF+

120

121

AD0/EXT_MEMORY

122

AD1

123

AD2

124

AD3

125

AD4

126

AD5

127

AD6

AD7

DAB2

DAB9

DAB1

DAB

DAB0

DA2

NEW_M

BE0n

BELL

ROW5

IOC

104

LD01_CTRL

106

VBAT2

107

CIDIN+

AD23

AD22

AD21

AD19

105

LD02_CTRL

AD17

AD1

AD20

BE1n

103 LD01_

ence

16MB

A15

A14

A13

A12

A11

A10

A19

A17

22 A3

DQ0

DQ1

DQ9

DQ2

DQ10

DQ3

DQ11

VCC

DQ4

DQ12

DQ5

DQ13

DQ6

DQ14

DQ7

DQ15

BYTE

A16

23 A2
24 A1

FC2

FC1

VO1

VCC

GND

VO2

C925

6.3V220

Z1.0

C92

C926

K0.1

Q701

C702

16V10

Q702

R703

2.2K

C703

16V10

K0.015

C930

+3.2V

+1.

+3.2V

Z0.22

C901

+3.2V

D901

+3.2V

16V10

R951

2.2K

R906

K0.056

C903

+1.

CLR

GND

CLK

VCC

+3.2V

TP601

CN403

G_LED

P_LED

VDD

TB5

TB4

TB3

TB2

TB1

TB0

KIN5

KIN4

KIN3

KIN2

KIN1

KIN0

MIC

GND

R933

R935

220

R926

220

R927

Q902

Q901

PH+

PH-

TP604

+3.2V

Z0.1

C924

D701

D902

+3.2V

C93

C939

Z0.1

C940

Z0.1

C941

Z0.1

+1.

C704

C706

K0.1

C707

16V1000

C705

C942

R903

100

Z0.1

C914

+1.

100K

R909

K220P

C907

K0.047

C90

R904

C946 K0.1

R991 100

100

R905

100

R90

C950

J10P

C952

J10P

Z0.1

C913

R992

100

C943

Z0.1

C955

C949

K1000P

R993

100

TP901

TP902

TP903

TP904

RA3

220

1
2
3
4

D907

D90

D909

D910

D911

D912

R997 10K

R99

10K

C947

J10P

2.7V

VCC

VOUT

GND

RA5

220

RA6

220

RA7
220

RA4
220

L301

2KA213

TP602

L302

2KA213

TP603

L311

L304

TP905

L305

L306

L312

K0.1

C956

C944

K220P

K0.022

C906

C945

K0.1

100K

R902

R990

R133

L321

L322

L324

L323

L326

L327

L325

L32

L329

L31

D920

L313

L314

L316

L317

L315

K1000P

C957

C959

K1000P

C95

K1000P

AD16
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD21

AD19

AD7
AD6
AD5
AD4
AD3
AD2

AD9

AD10

AD11

AD12

AD13

AD14

AD15

AD16

AD17

AD1

AD21

AD1
AD2
AD3
AD4
AD5
AD6
AD7

AD19

DAB15

DAB7

DAB14

DAB6

DAB13

DAB5

DAB12

DAB4

DAB11

DAB3

DAB10

DAB2
DAB9
DAB1
DAB

DAB0

AD1

ROW5

ROW4
ROW3
ROW2
ROW1
ROW0

DAB4

DAB5

DAB6

DAB3
DAB2

DAB7

AD1

AD17

DAB1

DAB0

DAB11

DAB3

DAB10

DAB2

DAB9

DAB1

DAB

DAB0

DAB15

DAB7

DAB14

DAB6

DAB13

DAB5

DAB12

DAB4

IC901

IC902

NC: No Components

IC904

IC905

IC90

(1)

(2)

(3)

(4)

(5)

(7)

(6)

(

)

(9)
(10)
(11)
(12)

(13)

(14)

(15)

(17)

(16)

)

(19)

(20)
(21)
(22)

)

(23)
(24)

(25)

(26)
(27)

(29)

.2V

.2V DC

V DC

4.0V
DC

.2V

P-Phone RX

- Audio
- Bell

nal

- Tone

RX (OFF Hook)
- Audio
- Call waitin

P-Phone TX

- Audio

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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