1
DXC-190
Table of Contents

Manual Structure

Purpose of this manual ..............................................................................................5
Related manuals......................................................................................................... 5

1. Operating Instructions

2. Service Overview

2-1. Removal of Filter Block ASSY................................................................... 2-1
2-2. Initial Switch Setting................................................................................... 2-1
2-3. Compensation of Residual Point Noise.......................................................2-2

3. Operational Description

3-1. BI-135 Board............................................................................................... 3-1
3-2. PR-229 Board.............................................................................................. 3-1
3-3. PS-477 Board ..............................................................................................3-1
3-4. FC-75 Board................................................................................................ 3-2
3-5. IR-29 Board................................................................................................. 3-2
3-6. CT-194 Board.............................................................................................. 3-2

4. Electrical Alignment

4-1. Preparations................................................................................................. 4-1
4-1-1. Equipment Required................................................................... 4-1
4-1-2. Connection for Adjustment........................................................ 4-2
4-1-3. Adjustment Commander ............................................................4-2
4-1-4. Terminals to Determine Signals for Adjustment .......................4-3
4-1-5. Chart to Select Items Requiring Adjustment .............................4-3
4-2. Adjustment Method..................................................................................... 4-4
4-2-1. Preparations for Adjustment ......................................................4-4
4-2-2. Writing in Initial Data ................................................................4-4
4-3. PRE ADJUSTMENT ..................................................................................4-4
4-3-1. 28MHz Adjustment.................................................................... 4-4
4-3-2. VCO Adjustment........................................................................ 4-4
4-3-3. fsc Adjustment ...........................................................................4-4