1
HDW-250
Table of Contents
Manual Structure
Purpose of this manual .............................................................................................. 3
Related manuals ......................................................................................................... 3
Contents ..................................................................................................................... 3
1. Service Overview
1-1.
Operating Environment ............................................................................... 1-1
1-2.
Locations of Main Parts and Circuit Configuration .................................... 1-2
1-2-1.
Circuit Configuration and Printed Circuit Board
Layout Diagram ......................................................................... 1-2
1-2-2.
Locations of Main Mechanical Parts .......................................... 1-5
1-2-3.
Functions and Locations of Sensors ........................................... 1-7
1-3.
Matching Connectors .................................................................................. 1-9
1-4.
Signal Inputs and Outputs ......................................................................... 1-10
1-5.
Removing and Reinstalling the Cabinets .................................................. 1-13
1-6.
Removing and Reinstalling the Cassette Compartment ............................ 1-15
1-7.
Removing and Reinstalling the Connector Panel ...................................... 1-15
1-8.
Replacing the Battery Terminal ................................................................ 1-16
1-9.
Setting Switches and Slit Lands on the Boards ......................................... 1-17
1-9-1.
CP-337 Board ........................................................................... 1-17
1-9-2.
ADA-44 Board ......................................................................... 1-19
1-9-3.
DCP-22 Board .......................................................................... 1-20
1-9-4.
EQ-76 Board ............................................................................ 1-21
1-9-5.
SST-13 Board ........................................................................... 1-22
1-10. Ejecting the Cassette Tape Manually ........................................................ 1-23
1-11. Cleaning when the Heads are Clogged ..................................................... 1-24
1-12. Tracking Adjustment and Audio Meter Brightness Adjustment ............... 1-24
1-12-1. Tracking Adjustment ................................................................ 1-24
1-12-2. Audio Meter Brightness Adjustment ....................................... 1-24
1-13. Optional Accessories ................................................................................. 1-25
1-13-1. Optional Accessories ................................................................ 1-25
1-13-2. Tools for Adjustment ............................................................... 1-26
2. Error Messages and Error Logs
2-1.
Error Messages ............................................................................................ 2-1
2-2.
Error Logs ................................................................................................... 2-2