Table Of Contents - Sony GY-8240UWD Maintenance Manual

Manual Structure
Purpose of this manual .............................................................................................. 7
Relative manual ......................................................................................................... 7
Contents ..................................................................................................................... 7
Trademarks ................................................................................................................ 8
1. Service Overview
1-1. Removal/Installation of Cabinet ................................................................. 1-1
1-2. Cassette Compartment Removal/Installation .............................................. 1-2
1-3. Main Parts Layout ....................................................................................... 1-4
1-4. Internal Switch Setting ................................................................................ 1-9
1-5. Connector/Cable Information .................................................................... 1-10
1-6. Taking Out the Cassette in Tape Slacking ................................................ 1-14
1-7. Fixtures and Measuring Equipment for Adjustment ................................. 1-15
1-8. Power Block .............................................................................................. 1-18
1-9. Replacement of the Boards ....................................................................... 1-21
1-10. Functions of LED Indicators on Circuit Boards ....................................... 1-27
1-11. Line Mode ................................................................................................. 1-28
GY-8240UWD
GY-8240FC

Table of Contents

1-3-1. Main Mechanical Parts Layout .................................................. 1-4
1-3-2. Printed Circuit Boards Layouts .................................................. 1-5
1-3-3. Function Descriptions and Sensors Layouts .............................. 1-7
1-7-1. Fixtures ..................................................................................... 1-15
1-7-2. Measuring Equipment .............................................................. 1-16
1-7-3. Alignment Tapes ...................................................................... 1-17
1-8-1. Switching Regulator Replacement ........................................... 1-18
1-8-2. Fan Motor (Power Supply) Replacement ................................. 1-19
1-8-3. Voltage and Power Requirements ............................................ 1-19
1-8-4. Power Cord ............................................................................... 1-20
1-9-1. Index ......................................................................................... 1-21
1-9-2. DPR-160 and FM-75 Boards Replacement .............................. 1-22
1-9-3. IF-780 and SCS-28, FC-82 Boards Replacement .................... 1-22
1-9-4. CCM-33 Board Replacement ................................................... 1-23
1-9-5. DSP-90 Board Replacement .................................................... 1-23
1-9-6. CT-205 Board Replacement ..................................................... 1-24
1-9-7. HN-258 Board Replacement .................................................... 1-24
1-9-8. SV-205 Board Replacement ..................................................... 1-25
1-11-1. Overview .................................................................................. 1-28
1-11-2. Starting/Ending the Line Mode ................................................ 1-29
1-11-3. Switch Function ....................................................................... 1-30
1-11-4. Setting Mode ............................................................................ 1-31
1