Sony HXCU-FB80 Service Manual

Table of Contents
Manual Structure
Purpose of this manual....................................................................................................................5
Related manuals...........................................................................................................................5
Trademarks................................................................................................................................5
1. Service Overview
1-1. Location of Printed Wiring Boards............................................................................................1-1
1-2. Functions of Onboard Parts................................................................................................... 1-2
1-2-1. Description of Onboard LED Indicators................................................................................1-2
1-2-2. Functions of Onboard Switches........................................................................................ 1-4
1-3. Note on Replacement of Lithium Battery.....................................................................................1-6
1-4. Notes on Replacement of Circuit Board...................................................................................... 1-7
1-4-1. EEPROM Data......................................................................................................... 1-7
1-4-2. Actions to Be Taken after Board Replacement/Repair.................................................................1-7
1-5. Circuit Protection Parts........................................................................................................1-8
1-5-1. Thermistor.............................................................................................................. 1-8
1-6. Flexible Flat Cable and Coaxial Cable........................................................................................1-9
1-6-1. Connecting and Disconnecting Flexible Card Wires...................................................................1-9
1-6-2. Disconnecting/Connecting Fine-Wire Coaxial Cable.................................................................1-10
1-7. Lead-free Solder............................................................................................................. 1-12
2. Periodic Maintenance and Inspection
2-1. Cleaning of Connector/Cable................................................................................................. 2-1
2-1-1. Cleaning Connectors/Cables of NEUTRIK............................................................................ 2-1
2-1-2. Cleaning Connectors/Cables of LEMO................................................................................ 2-3
3. Replacement of Main Parts
3-1. Tightening Torque.............................................................................................................3-1
3-2. Cover.......................................................................................................................... 3-2
3-3. Front Panel Assembly.........................................................................................................3-3
3-4. PS-934 Board..................................................................................................................3-4
3-5. DC Fan........................................................................................................................ 3-6
3-6. Switching Regulator (Large)..................................................................................................3-8
3-7. Switching Regulator (Small)..................................................................................................3-9
3-8. AT-196 Board and Lithium Battery..........................................................................................3-10
3-9. Optical Connector Assembly................................................................................................ 3-11
3-9-1. Neutrik Model.........................................................................................................3-11
3-9-2. LEMO Model......................................................................................................... 3-12
3-10. CN-3958 Board.............................................................................................................. 3-15
3-11. CN-3968 Board.............................................................................................................. 3-16
3-12. DPR-386 Board..............................................................................................................3-17
3-13. CN-3972 Board.............................................................................................................. 3-19
3-14. SW-1736 Board..............................................................................................................3-20
3-15. CN-3985 Board.............................................................................................................. 3-22
HXCU-FB80
1

Sony HXCU-FB80 Specifications

General

Brand	Sony
Model	HXCU-FB80
Category	Control Unit
Language	English