1
HDW-750/750CE V1
Table of Contents
Manual Structure
Purpose of this manual ............................................................................................ 11
Related manuals ....................................................................................................... 11
Contents ................................................................................................................... 12
1. Service Overview
1-1.
Locations of Main Parts and Circuit Configuration .................................... 1-1
1-1-1.
Circuit Configuration and Locations of the Printed
Wiring Boards ............................................................................ 1-1
1-1-2.
Locations of Main Mechanical Parts .......................................... 1-4
1-1-3.
Functions and Locations of Sensors ........................................... 1-6
1-2.
Matching Connectors .................................................................................. 1-8
1-3.
Signal Inputs and Outputs ........................................................................... 1-8
1-4.
Removing and Reinstalling the Outside Panel Assembly ......................... 1-11
1-5.
Opening and Closing the Inside Panel Assembly ..................................... 1-12
1-6.
Removing and Reinstalling the Connector Box ........................................ 1-13
1-7.
Removing and Reinstalling the Plug-in Boards ........................................ 1-14
1-7-1.
DCP Board Assembly .............................................................. 1-14
1-7-2.
DVP Board Assembly .............................................................. 1-15
1-8.
Removing and Reinstalling the Flexible Card Wires ................................ 1-17
1-9.
Removing and Reinstalling the Cassette Compartment ............................ 1-18
1-10. On-Board Switch/Slit Land Description ................................................... 1-21
1-10-1. AT-143 Board .......................................................................... 1-21
1-10-2. EQ-88 Board ............................................................................ 1-22
1-10-3. FP-121 Board ........................................................................... 1-23
1-10-4. MDC-13 Board ......................................................................... 1-24
1-10-5. SS-92 Board ............................................................................. 1-25
1-10-6. RP-127 Board ........................................................................... 1-25
1-10-7. AXM-24 Board ........................................................................ 1-26
1-11. How to Eject a Cassette Tape Manually ................................................... 1-27
1-12. How to Insert a Cassette Tape While the Outside Panel
Assembly Is Being Removed .................................................................... 1-28
1-13. How to Clean the Heads When the Heads Are Clogged ........................... 1-28
1-14. List of Tools and Measuring Equipment ................................................... 1-29
1-14-1. Tools ......................................................................................... 1-29
1-14-2. Measuring Equipment .............................................................. 1-32
1-14-3. Alignment Tapes ...................................................................... 1-33