C1
1
0.22uF 10% 50V Polystyrene
C2
1
1.0 µF 50V
Polystyrene
C202
1
0.022uF, 100V, Mylar, 5%
WIMA MKC2-0.022uF (MKC1858.322..014)
C4
1
0.1uF, 250V, Polyester, 5%
02-50000
02-90006
02-60015
02-60017
IC1
1
4 ½ Digit A/D IC Chip Set
Harris ICL8068ACJD 14 pin dip -
IC2
1
4 ½ Digit A/D IC Chip Set
Harris ICL71C03ACPI 28 pin dip -
IC3
1
Precision DC Voltage Reference
National Semi LM399
IC4
1
BCD/ 7 segment LED Driver
7447AN , or 74LS47N
IC5
1
Quartz Oscillator, 1 MHz
IC6
1
Divide by Ten IC -CMOS 4000 series
CD4017
IC7
1
DC to DC Convertor
IC8
1
General Purpose JFET Op-Amp
LF356N
IC10, IC101
2
V. Regulator, +5V, 100 mA, TO92
Motorola 78L05ACP
IC11, IC102
2
V. Regulator, -5V, 100 mAmp, TO92
Motorola 79L05ACLP
IC201
1
General Purpose JFET Op-Amp Metal Can
LF356H
IC202
1
Quad Op-Amp, General Purpose
LM324N
03-30113
03-30114
03-30122
03-30106
03-30050
03-30048
03-30523
03-30090
03-30168
03-30035
03-30074
03-30031
Q1 thru Q6
6
D101 - D104, D202
5
General Purpose Diode
1N4148 or 1N914
D1, D2, D3
3
Low Leakage Current Diode
1N3595
D201
D203
CHG1
1
6 VDC 250 mA Battery Charger
Digikey # T203-ND
PLG1
1
2.5 mm Female Adapter plug for Charger
Switchcraft 760 -
03-10003
03-20000
03-20006
05-79393
05-79394
NPN Darlington Transistor (TO92)
2N5172
Q101 thru Q104
4
NPN Transistor (T092)
2N4401
Q201
1
N-Channel JFET
01899E or PN4392 or J111
Q202
1
NPN Transistor (T0220)
MJE3439
1
Zener, reference, 6.3V, 20ppm/°C, 5%
1N825
1
Single LED, Red, Small Hewlett -Packard,
HLMP1000
T101 and T102
2
620A Transformer (DC to DC Converter)
DWG 620A-010
92
1
Chassis
PAKTEK CH250 -PC BONE ETC,
94
1
620A Rear Panel
DWG 620A-214
Main Board
1
620A Main Board
DWG 620A-700N (REV D)
Display Board
1
620A Display Board
DWG 620A-701 (REVC D)
SK1
1
Socket - 20 pin disp. PCB mount (90°)
3M #2520
P1
1
Plug - 20 pin main PCB mount (for Sk1)
3M #8520
DS2,DS3,DS4,DS5
4
LED Display, 7 Segment (0-9), Red
HP 5082-7650
DS1
1
LED D/-1, Red
HP 5082-7656
S1
1
Switch , 4 Station, Int-Lock, 2 Pole,
E-SWITCH PUSHBUTTON
S3
1
Toggle Switch, 2PDT
C&K, 7201-SYZQE -9701 or E-switch 100-DPI T6 BII MIQE
F1
1
2 Ampere, Fuse (¼“ x 1 ¼”)
Littlefuse, 3AG
FSHDL
1
Fuse Holder (1.7 “ long)
J1,J2
2
Banana jack, red
J3,J5
2
Banana jack, white
J4
1
Battery Charging Jack
Switchcraft 712A -
87
1
Box, battery holder, four Dcells
Digikey BH24DL-ND
B1,B2,B3,B4
4
Battery, Ni-Cad, Heavy Duty, D cell, 5700mAhr
Energizer EE 5700D
03-10013
03-10000
03-10015
03-20041
05-01005
04-20006
04-10130
04-10235
04-30009
04-30010
05-12520
05-18520
05-01010
05-01020
05-03006
05-03015
05-04001
05-04011
05-10030
05-10031
05-10033
05-10049
05-10117
PCB REF
STOCK #
# per unit -- - -Description ---------------------------
------- Manuf./ Supplier -----------Alternate
PARTS LIST
620A-400
ASSEMBLY/PARTS LIST
PAGE 2 of 2
:
Revision D
AMPTEC
Summary of Contents for 620A SERIES
Page 18: ......