TABLE OF CONTENTS
AL TRONIC CPU-2000 SERVICE INSTRUCTIONS
SECTION ITEM
PAGE
1.0
SYSTEM DESCRIPTION
3
2.0
4
2.1
4
2.2
6
2.3
8
2.4
11
3.0
13
4.0
15
4.1
15
4.2
15
5.0
15
5.1
15
6.0
16
6.1
16
6.2
16
6.3
16
7.0
17
7.1
17
7.2
17
8.0
17
8.1
PARTS IDENTIFICATION AND SPECIFICATION
CPU-2000 LOGIC MODULE
CPU-2000 OUTPUT MODULE: 291116-1
CPU-2000 OUTPUT MODULE: 291132-1, 291132-2
CPU-2000 DIAGNOSTIC MODULE: 291105-1
TEST STAND REQUIREMENTS
TESTING PROCEDURE-OUTPUT MODULE: 291116-1, 291132-1
Voltage Output Test
Operational Test
OHMMETER CHECKS
CPU-2000 Output Module
OSCILLOSCOPE TESTS
Test Set-up
Storage Capacitor Voltage Pattern
Multi-Strike Tests
TESTING PROCEDURE - CPU-2000 LOGIC MODULE
Operational Tests
Timing Tests
TESTING PROCEDURE - CPU-2000 DIAGNOSTIC MODULE
Operational Tests
17
9.0
TROUBLESHOOTING
18
9.1
Power Module
18
9.2
Logic Module
18
9.3
Logic Module Diagnostic Messages
18
9.4
Diagnostic Module
19
10.0
BOARD REPLACEMENT PROCEDURE - OUTPUT MODULE TOP POWER
19
10.1
Disassembly Procedure
19
10.2
Assembly Procedure
19
11.0
BOARD REPLACEMENT PROCEDURE - OUTPUT MODULE BOTTOM POWER
19
11.1
Disassembly Procedure
19
11.2
Assembly Procedure
19
12.0
BOARD REPLACEMENT PROCEDURE - LOGIC MODULE DISPLAY BOARD
20
12.1
Disassembly Procedure
20
12.2
Assembly Procedure
20
13.0
BOARD REPLACEMENT PROCEDURE - LOGIC MODULE LOGIC BOARD
20
13.1
Disassembly Procedure
20
13.2
Assembly Procedure
20
14.0
BOARD REPLACEMENT PROCEDURE - DIAGNOSTIC MODULE
20
14.1
Disassembly Procedure
20
14.2
Assembly Procedure
20
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