Qty Part Description Location
RES. CF 3.9K 1/4W 5% R1
RES. CF 2.7 1/4W 5% R2
RES. CF 1K 1/4W 5% R3
RES. MOX .47 1W 5% R4
RES. CF 1K 1/4W 5% R5
RES. CF 120 1/4W 5% R6
RES. CF 22 1/4W 5% R7
RES. CF 27K 1/4W 5% R8
RES. CF 27K 1/4W 5% R9
RES. CF 27K 1/4W 5% R10
RES. CF 27K 1/4W 5% R11
RES. CF 10 1/4W 5% R12
RES. CF 560 1/4W 5% R13
RES. CF 560 1/4W 5% R14
RES. CF 1K 1/4W 5% R15
RES. CF 27K 1/4W 5% R16
RES. CF 2.2K 1/4W 5% R17
RES. CF 33K 1/4W 5% R18
RES. CF 33K 1/4W 5% R19
RES. CF 470K 1/4W 5% R20
RES. CF 3.9K 1/4W 5% R21
RES. CF 33K 1/4W 5% R22
RES. CF 33K 1/4W 5% R23
RES. CF 33K 1/4W 5% R24
RES. CF 3.9K 1/4W 5% R25
RES. CF 3.9K 1/4W 5% R26
RES. CF 150K 1/4W 5% R27
RES. CF 15K 1/4W 5% R28
RES. CF 33K 1/4W 5% R29
RES. CF 68K 1/4W 5% R30
RES. CF 33K 1/4W 5% R31
RES. CF 33K 1/4W 5% R32
SELECTED VALUE R33
RES. MF 324K 1/4W 1% R34
RES. MF 402K 1/4W 1% R35
RES. MF 402K 1/4W 1% R36
RES. CF 2.2K 1/4W 5% R37
RES. CF 10K 1.4W 5% R38
RES. CF 3.3M 1/4W 5% R39
RES. CF 10K 1.4W 5% R40
*RES. MF 402K 1/4W 1% R41
*RES. MF 402K 1/4W 1% R42
RES. CF 27K 1/4W 5% R43
RES. MF 4.02K 1/4W 1% R44
RES. MF 4.02K 1/4W 1% R45
RES. CF 27K 1/4W 5% R46
RES. CF 15K 1/4W 5% R47
RES. MF 2.00K 1/4W 1% R48
RES. MF 9.31K 1/4W 1% R49
POT 1K 1 TURN VR1
POT 25K 20 TURN VR2
CAP ELE 470UF 25V C1
CAP ELE 4.7UF 50V C2
CAP TANT 1UF 35V C3
CAP CER NPO 22PF 50V C4
CAP CER 100PF 50V C5
CAP ELE 47UF 25V C6
CAP ELE 470UF 25V C7
CAP CER 1UF 35V C8
CAP MY .47UF 100V C9
CAP ELE .47UF 16V C10
CAP ELE 100UF 25V C11
CAP ELE 470UF 25V C12
CAP MONO CER .22PF 50V C13
CAP ELE 4.7UF 50V C14
CAP TAN 1UF 25V C15
CAP PS AX .0047UF 50V C16
CAP CER .001UF 50V C17
CAP MONO CER .1UF 25V C18
CAP MONO CER .1UF 25V C19
CAP PC AX .1UF 100V C20
CAP PC AX .1UF 100V C21
Qty Part Description Location
CRYSTAL 6.0 MHz C22 X1
OPTICAL 7-SEG.-RED MAN 4710A D1
OPTICAL 7-SEG.-RED MAN 4710A D2
OPTICAL 7-SEG.-RED MAN 4710A D3
OPTICAL 7-SEG.-RED MAN 4710A D4
IC SOCKET 14 PIN LOW-PRO D1
IC SOCKET 14 PIN LOW-PRO D2
IC SOCKET 14 PIN LOW-PRO D3
IC SOCKET 14 PIN LOW-PRO D4
OPTICAL DISCRETE-RED LT4223 D5
OPTICAL DISCRETE-RED LT4223 D6
RES. NETWORK 47 RN1
TRANS. PNP PWR 2N6728 Q1
TRANS. PNP PWR 2N6728 Q2
TRANS. PNP PWR 2N6728 Q3
TRANS. PNP PWR 2N6728 Q4
TRANS. PNP PWR TIP32 Q5
TRANS. NPN GEN MPS3704 Q6
TRANS. PNP PWR TIP32 Q7
TRANS. PNP GEN MPS3702 Q8
TRANS. NPN GEN MPS3704 Q9
TRANS. NPN GEN MPS3704 Q10
TRANS. NPN GEN MPS3704 Q11
TRANS. NPN GEN MPS3704 Q12
TRANS. NPN GEN MPS3704 Q13
TRANS. NPN GEN MPS3704 Q14
TRANS. NPN GEN MPS3704 Q15
TRANS. NPN GEN MPS3704 Q16
TRANS. NPN GEN MPS3704 Q17
TRANS. NPN GEN MPS3704 Q18
TRANS. NPN GEN MPS3704 Q19
TRANS. NPN GEN MPS3704 Q20
IC SOCKET 16 PIN J1
HEADER 2PIN .156C J2
HEADER 2PIN .156C J3
2 HEADER 3PIN .100C J4
HEADER 5PIN .156C J5
DIODE SIGNAL 1N4148 CR1
DIODE ZENER 9.1V 1N4739A CR2
DIODE REC 600V 1N4005 CR3
DIODE REC 600V 1N4005 CR4
DIODE REC 600V 1N4005 CR5
DIODE REC 600V 1N4005 CR6
DIODE SIGNAL 1N4148 CR7
DIODE REC 600V 1N4005 CR8
DIODE REC 600V 1N4005 CR9
DIODE REC 600V 1N4005 CR10
DIODE REC 600V 1N4005 CR11
DIODE REC 600V 1N4005 CR12
DIODE REC 600V 1N4005 CR13
CIODE SIGNAL 1N4148 CR14
2 IC REGULATOR 5V 7805 U1
IC REGULATOR 5V 7805 U2
IC MICROPROCESSOR 8748 U3
IC DUAL OP-AMP LM358N U4
IC HEX INVERT BUFF CD4049UBE U5
IC QUAD BILAT SW CD4016BE U6
IC DUAL OP-AMP LM358N U7
IC OP-AMP ICL7652CPD U8
IC DUAL COMPARATOR LM393N U9
IC SOCKET 40PIN U3
CABLE ASMBLY 16 PIN DRB TO
DIP 15 INCH J1
HEADER 6PIN .100C J2
RES. FILM 120 1/4W 5% R1
RES. FILM 120 1/4W 5% R2
TRANS. NPN GEN MPS 3704 Q1
HEAT SINK TO-220 Q7
4 SCREW, 4-40 X 3/8
4 NUT, 4-40 KEPS
3 JUMPER .6 22GA.
PCB SCALE DISPLAY
PARTS LIST
COMPUTER BOARD
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
* Value may change depending on gain requirements of scale model
Qty Part Description
1RES.CF 120 1/4W 5%
1RES. 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
DISPLAY BOARD
PARTS AND ACCESSORIES
7