CDR-3250/80 TECHNICAL MANUAL
iv Issue 2.2
TABLE OF CONTENTS - Cont.
Chapter Page Chapter Page
5 MAINTENANCE INSTRUCTIONS 5-1
Section I. PREVENTIVE
MAINTENANCE .......... 5-1
5-1 INTRODUCTION .................... 5-1
5-2 CLEANING AND LUBRICATION ...... 5-1
5-3 INSPECTION........................ 5-1
5-3.1 External Inspection ............. 5-1
5-3.2 Internal Inspection ............. 5-1
5-4 PERFORMANCE VERIFICATION ...... 5-1
5-4.1 Receiver Sensitivity ............. 5-2
5-4.2 Line Audio ................... 5-2
5-4.3 Reference Frequency ........... 5-2
5-4.3.1 Receiver Check ................ 5-3
5-4.3.2 TCXO Check .................. 5-3
Section II. CORRECTIVE
MAINTENANCE ........ 5-4
5-5 TROUBLESHOOTING ................ 5-4
5-5.1 Troubleshooting Philosophy ... 5-4
5-5.2 Built-In Tests. ............... 5-4
5-5.2.1 POST ..................... 5-4
5-5.2.2 BITE ...................... 5-4
5-5.2.3 BIT ....................... 5-5
5-5.3 Troubleshooting Procedure .... 5-5
5-5.3.1 Fault Identification .......... 5-5
5-5.3.2 Initial Checks ............... 5-5
5-5.3.3 Front Panel Display
Interpretation ...............
5-5
5-5.3.4 Signal Tracing .............. 5-5
5-6 SUBASSEMBLY REMOVAL AND
REPLACEMENT .....................
5-8
5-6.1 Synthesizer Module. ........... 5-8
5-6.2 RF Analog Module ............ 5-8
5-6.3 Power Supply Module ......... 5-8
5-6.4 AC Line Filter Board .......... 5-8
5-6.5 Digital Module ............... 5-8
5-6.6 Remote Control Board (optional) 5-9
5-6.7 Keypad Board ............... 5-9
5-6.8 Keypad. .................... 5-9
5-6.9 Display Module .............. 5-9
5-6.10 Power/Volume Knob .......... 5-9
5-6.11 Main Adjustment Knob ........ 5-9
5-6.12 Optical Shaft Encoder ........ 5-10
5-6.13 Fan Assembly............... 5-10
5-6.14 Support Handles ............ 5-10
5-7 SOFTWARE UPLOADING ............. 5-10
6 PREPARATION FOR
RESHIPMENT ................. 6-1
6-1 INTRODUCTION. .................... 6-1
6-2 DISASSEMBLY AND REMOVAL ...... 6-1
6-3 PACKAGING ........................ 6-1
6-4 SHIPPING .......................... 6-1
7 STORAGE..................... 7-1
7-1 INTRODUCTION .................... 7-1
7-2 STORAGE ENVIRONMENT ........... 7-1
7-3 PRESERVATION .................... 7-1
8 PARTS LIST ................... 8-1
8-1 INTRODUCTION. .................... 8-1
8-2 REPLACEABLE PARTS LISTING....... 8-1
ANNEX
A REMOTE CONTROL ONLY OPTION . . AN-1A
B DC POWER SUPPLY OPTION ....... AN-1B
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