PARTS LIST

COMPUTER BOARD

Qty Part Description

Location

 

Qty

Part Description

Location

RES. CF 3.9K 1/4W 5%

R1

 

 

CRYSTAL 6.0 MHz

 

C22 X1

RES. CF 2.7 1/4W 5%

R2

 

 

OPTICAL 7-SEG.-RED MAN 4710A

D1

RES. CF 1K 1/4W 5%

R3

 

 

OPTICAL 7-SEG.-RED MAN 4710A

D2

RES. MOX .47 1W 5%

R4

 

 

OPTICAL 7-SEG.-RED MAN 4710A

D3

RES. CF 1K 1/4W 5%

R5

 

 

OPTICAL 7-SEG.-RED MAN 4710A

D4

RES. CF 120 1/4W 5%

R6

 

 

IC SOCKET 14 PIN LOW-PRO

 

D1

RES. CF 22 1/4W 5%

R7

 

 

IC SOCKET 14 PIN LOW-PRO

 

D2

RES. CF 27K 1/4W 5%

R8

 

 

IC SOCKET 14 PIN LOW-PRO

 

D3

RES. CF 27K 1/4W 5%

R9

 

 

IC SOCKET 14 PIN LOW-PRO

 

D4

RES. CF 27K 1/4W 5%

R10

 

 

OPTICAL DISCRETE-RED LT4223

D5

RES. CF 27K 1/4W 5%

R11

 

 

OPTICAL DISCRETE-RED LT4223

D6

RES. CF 10 1/4W 5%

R12

 

 

RES. NETWORK 47

 

RN1

RES. CF 560 1/4W 5%

R13

 

 

TRANS. PNP PWR 2N6728

 

Q1

RES. CF 560 1/4W 5%

R14

 

 

TRANS. PNP PWR 2N6728

 

Q2

RES. CF 1K 1/4W 5%

R15

 

 

TRANS. PNP PWR 2N6728

 

Q3

RES. CF 27K 1/4W 5%

R16

 

 

TRANS. PNP PWR 2N6728

 

Q4

RES. CF 2.2K 1/4W 5%

R17

 

 

TRANS. PNP PWR TIP32

 

Q5

RES. CF 33K 1/4W 5%

R18

 

 

TRANS. NPN GEN MPS3704

 

Q6

RES. CF 33K 1/4W 5%

R19

 

 

TRANS. PNP PWR TIP32

 

Q7

RES. CF 470K 1/4W 5%

R20

 

 

TRANS. PNP GEN MPS3702

 

Q8

RES. CF 3.9K 1/4W 5%

R21

 

 

TRANS. NPN GEN MPS3704

 

Q9

RES. CF 33K 1/4W 5%

R22

 

 

TRANS. NPN GEN MPS3704

 

Q10

RES. CF 33K 1/4W 5%

R23

 

 

TRANS. NPN GEN MPS3704

 

Q11

RES. CF 33K 1/4W 5%

R24

 

 

TRANS. NPN GEN MPS3704

 

Q12

RES. CF 3.9K 1/4W 5%

R25

 

 

TRANS. NPN GEN MPS3704

 

Q13

RES. CF 3.9K 1/4W 5%

R26

 

 

TRANS. NPN GEN MPS3704

 

Q14

RES. CF 150K 1/4W 5%

R27

 

 

TRANS. NPN GEN MPS3704

 

Q15

RES. CF 15K 1/4W 5%

R28

 

 

TRANS. NPN GEN MPS3704

 

Q16

RES. CF 33K 1/4W 5%

R29

 

 

TRANS. NPN GEN MPS3704

 

Q17

RES. CF 68K 1/4W 5%

R30

 

 

TRANS. NPN GEN MPS3704

 

Q18

RES. CF 33K 1/4W 5%

R31

 

 

TRANS. NPN GEN MPS3704

 

Q19

RES. CF 33K 1/4W 5%

R32

 

 

TRANS. NPN GEN MPS3704

 

Q20

SELECTED VALUE

R33

 

 

IC SOCKET 16 PIN

 

J1

RES. MF 324K 1/4W 1%

R34

 

 

HEADER 2PIN .156C

 

J2

RES. MF 402K 1/4W 1%

R35

 

 

HEADER 2PIN .156C

 

J3

RES. MF 402K 1/4W 1%

R36

2

HEADER 3PIN .100C

 

J4

RES. CF 2.2K 1/4W 5%

R37

 

 

HEADER 5PIN .156C

 

J5

RES. CF 10K 1.4W 5%

R38

 

 

DIODE SIGNAL 1N4148

 

CR1

RES. CF 3.3M 1/4W 5%

R39

 

 

DIODE ZENER 9.1V 1N4739A

 

CR2

RES. CF 10K 1.4W 5%

R40

 

 

DIODE REC 600V 1N4005

 

CR3

*RES. MF 402K 1/4W 1%

R41

 

 

DIODE REC 600V 1N4005

 

CR4

*RES. MF 402K 1/4W 1%

R42

 

 

DIODE REC 600V 1N4005

 

CR5

RES. CF 27K 1/4W 5%

R43

 

 

DIODE REC 600V 1N4005

 

CR6

RES. MF 4.02K 1/4W 1%

R44

 

 

DIODE SIGNAL 1N4148

 

CR7

RES. MF 4.02K 1/4W 1%

R45

 

 

DIODE REC 600V 1N4005

 

CR8

RES. CF 27K 1/4W 5%

R46

 

 

DIODE REC 600V 1N4005

 

CR9

RES. CF 15K 1/4W 5%

R47

 

 

DIODE REC 600V 1N4005

 

CR10

RES. MF 2.00K 1/4W 1%

R48

 

 

DIODE REC 600V 1N4005

 

CR11

RES. MF 9.31K 1/4W 1%

R49

 

 

DIODE REC 600V 1N4005

 

CR12

POT 1K 1 TURN

VR1

 

 

DIODE REC 600V 1N4005

 

CR13

POT 25K 20 TURN

VR2

 

 

CIODE SIGNAL 1N4148

 

CR14

CAP ELE 470UF 25V

C1

2

IC REGULATOR 5V 7805

 

U1

CAP ELE 4.7UF 50V

C2

 

 

IC REGULATOR 5V 7805

 

U2

CAP TANT 1UF 35V

C3

 

 

IC MICROPROCESSOR 8748

 

U3

CAP CER NPO 22PF 50V

C4

 

 

IC DUAL OP-AMP LM358N

 

U4

CAP CER 100PF 50V

C5

 

 

IC HEX INVERT BUFF CD4049UBE

U5

CAP ELE 47UF 25V

C6

 

 

IC QUAD BILAT SW CD4016BE

 

U6

CAP ELE 470UF 25V

C7

 

 

IC DUAL OP-AMP LM358N

 

U7

CAP CER 1UF 35V

C8

 

 

IC OP-AMP ICL7652CPD

 

U8

CAP MY .47UF 100V

C9

 

 

IC DUAL COMPARATOR LM393N

 

U9

CAP ELE .47UF 16V

C10

 

 

IC SOCKET 40PIN

 

U3

CAP ELE 100UF 25V

C11

 

 

CABLE ASMBLY 16 PIN DRB TO

 

 

CAP ELE 470UF 25V

C12

 

 

DIP 15 INCH

 

J1

CAP MONO CER .22PF 50V

C13

 

 

HEADER 6PIN .100C

 

J2

CAP ELE 4.7UF 50V

C14

 

 

RES. FILM 120 1/4W 5%

 

R1

CAP TAN 1UF 25V

C15

 

 

RES. FILM 120 1/4W 5%

 

R2

CAP PS AX .0047UF 50V

C16

 

 

TRANS. NPN GEN MPS 3704

 

Q1

CAP CER .001UF 50V

C17

 

 

HEAT SINK TO-220

 

Q7

CAP MONO CER .1UF 25V

C18

4

SCREW, 4-40 X 3/8

 

 

CAP MONO CER .1UF 25V

C19

4

NUT, 4-40 KEPS

 

 

CAP PC AX .1UF 100V

C20

3

JUMPER .6 22GA.

 

 

CAP PC AX .1UF 100V

C21

 

 

PCB SCALE DISPLAY

 

 

* Value may change depending on gain requirements of scale model

DISPLAY BOARD

Qty

Part Description

 

 

1

RES.CF 120 1/4W 5%

1

RES. CF 10K 1/4W 5%

1

TRANS. NPN GEN MPS3704

2

LED DISCRETE T-1 3/4 RED

4

7-SEG DISPLAY

4

IC SOCKET, 14 PIN

1

HEADER, 6 PIN .100C RT

3

JUMPER, .6 IN 22ga

1

RIBBON CABLE, 16 COND

PARTS AND ACCESSORIES

Description

Part No.

Display Board with cable

63663

Keypad

63911

3-Prong Jack

63894

5-Prong Jack

63932

Elastic Cord

64010

Leveling Feet

63879

Rubber Mat

64013

R4

63878

7 Segment Display

63999

Transformer Cable

63826

Locking Screw & Carriage Bolt

64012

Shipping Carton

63989

7

Page 8
Image 8
Tanita 4521 specifications Parts List, Computer Board