Model 3030 & 3030E Series Technical Manual Section 9
Ludlum Measurements, Inc. Page 50 November 2017
Reference Description Part Number
T1 L8050 40-0902
T2 M177 AUDIO ASSY 4275-083
JP1 JUMPER 13-8571
P1 640456-5 MTA100 13-8057
P3 747020-2 13-8555
P4 1-640456-0 MTA100 13-8066
P5 640456-3 MTA100 13-8081
P6 640456-6 MTA100 13-8095
W1-W10 CLOVERLEAF 18-8771
SW1 SWITCH DIP-2 08-6712
B1 LITHIUM BATTERY 3V 22-9786
BOARD Completely Assembled
Display Board 5337-084
C1 47uF, 10V 04-5666
C2-C5 0.1uF, 50V 04-5663
C6-C7 27pF, 100V 04-5658
Q1-Q2 2N7002L 05-5840
U1 PCF8574TD 06-6402
U2 U5 AY0438-I/L 06-6358
R1-R2 4.75K, 1/8W, 1% 12-7858
R3-R4 22.1K, 1/8W, 1% 12-7843
R5 200 OHM, 1/4W, 1% 12-7904
R6-R11 100 OHM, 1/8W, 1% 12-7966
R12-R16 10K, 1/8W, 1% 12-7839
R17 100K, 1/8W, 1% 12-7834
R19 200 OHM, 1/4W, 1% 12-7904
R20 100K, 1/8W, 1% 12-7834
DS1-DS4 LED-HLMP2300/2304 07-6377
DS5-DS6 LED-HLMP2500 GRN 07-6403
DS7-DS8 LED-BACKLITE 07-6451
DSP1-DSP2 LCD-3918-365-920 07-6252
P2 CONN-MTA100 1-640457-0 13-8168
SW1 SWITCH - PUSHBUTTON 08-6716
Display Board,
Drawing 337 × 88