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Advanced 3320 User Manual
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24
The Advanced
®
Osmometer Model 3320 Service Manual
Model 3320
Osmometer
Description
Serial Suffix ‘A
’
Original model released.
June 2005
Serial Suffix ‘B’
New power supply
.
October 2009
The serial number suffix (referred to in this manual simply as the
suffix
) indicates the revision of the
instrument. The chart below lists the major changes made at each revision of the 3320 Osmometer
.
Design Changes
23
25
Table of Contents
Table of Contents
3
Default Chapter
1
Service Manual
1
1 Introduction
5
Specifications
7
General Description and Purpose
8
Service Assistance
8
Safety/Regulatory Information
9
Symbol Conventions
9
General Cautions
9
Service & Maintenance Cautions
10
Hazardous Material Cautions
11
Regulatory Notices
11
Symbol Conventions
11
FCC Requirements
12
2 General Overview
15
Overview
17
3320 Circuit Description
19
Power Supply
19
Front End
19
332620 Control Board Set
19
PCB120 Processor Board
19
PCB115 Application Board
21
Back Panel I/O Board
21
Instrument Software Updates
23
Design Changes
24
Replacement Parts
25
Default Chapter
25
Supplies & Accessories
25
3 Maintenance
27
Maintaining the Instrument
29
Solenoid Cleaning Procedure
31
4 Troubleshooting
33
Introduction
35
Diagnostic Menu
35
A/D Tests
35
Probe bin Test
35
Solenoid Test
35
Display/Print Test
35
Key/Beeper Test
35
Barcode Test
35
Troubleshooting Table
37
5 Replacement Instructions
41
Actuator Switch (332318R)
43
Actuator Switch
43
Back Panel I/O Board
47
Pcb140R
47
Block Probe (332340R)
49
Block Probe Cable
51
Block Probe
51
Cooling Assembly (332400R)
59
Cooling Assembly
59
Cooling Fan (330330R)
61
Cooling Fan
61
Display Module (330800R)
63
Display Module
63
Fuse Replacement
65
Keypad (202511R)
67
Keypad
67
NVRAM Battery (71027R)
69
Power Entry Module
71
332149R
71
Power Supply (332950R/ 332951R)
73
Sample Handling Assembly
77
332310R
77
Sample Probe (330700)
81
Sample Probe Cable
83
240725R
83
Secondary Cooling Fan
87
332087R
87
Plunger Wire (3M0828)
95
6 Schematics
97
A: Event Record
107
B: Symbol Definitions
113
C: Product Disposal and Recycling
119
D: Service Log
121
5
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Advanced 3320 Specifications
General
Brand
Advanced
Model
3320
Category
Measuring Instruments
Language
English
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