Tanita 4521 specifications Parts List, Computer Board

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

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