KERN EMB Service Manual

GB
KERN EMB
Version 3.3 4/2009
Service manual
School balance
Table of Contents
1 Basic Information ________________________________________________ 3
2 Features________________________________________________________ 3
3 Calibration Procedure (CAL) _______________________________________ 4
4 Internal Calibration Procedure (Linearity Adjustment)__________________ 5
4.1 Readout of the Internal Counts _______________________________________ 6
5 Display Segment Test_____________________________________________ 6
6 Functional Block Diagram / Description______________________________ 7
6.1 Functional Block Diagram ___________________________________________ 7
6.2 Function Description _______________________________________________ 8
7 Trouble Shooting ________________________________________________ 9
8 To Replace PCB ________________________________________________ 10
9 To Replace Load Cell Assembly ___________________________________ 11
10 Schematics ____________________________________________________ 12
10.1 For EMB 220-1, EMB 2200-0, EMB 5.2K5 ________________________________ 12
10.2 For EMB 500-1, EMB 1200-1, EMB 5.2K1 ________________________________ 13
10.3 For EMB 200-2, EMB 600-2 ___________________________________________ 14
10.4 For EMB 100-3, EMB 1000-2 __________________________________________ 15
11 Components Layout _____________________________________________ 17
11.1 For EMB 220-1, EMB 2200-0, EMB 5.2K5 ______________________________ 17
11.2 For EMB 500-1, EMB 1200-1, EMB 5.2K1 ______________________________ 18
11.3 For EMB 200-2, EMB 600-2__________________________________________ 18
11.4 For EMB 100-3, EMB 1000-2_________________________________________ 19
EMB-SH-e-0933
2

KERN EMB Specifications

General

Calibration	External
Display	LCD
Weighing Plate Material	Stainless steel
Weighing Units	g, oz
Interface	RS232
Protection Class	IP54