Sony DNW-A75 Maintenance Manual page 6

2. Service Overview
2-1. Notes on Power Supply Block .................................................................... 2-1
2-2. Cleaning when the Heads are Clogged ....................................................... 2-1
2-3. Removing/Reattaching Cabinet .................................................................. 2-2
2-4. Removing/Reattaching Plate MD Assembly .............................................. 2-5
2-5. Removing/Reattaching Cassette Compartment ........................................... 2-6
2-6. Removing/Reattaching Lower Control Panel Assembly ............................ 2-7
2-7. Circuit Function .......................................................................................... 2-8
2-8. Location of Main Parts .............................................................................. 2-10
2-9. Function and Location of Sensors ............................................................. 2-14
2-10. System of Cassettes ................................................................................... 2-16
2-11. Function of LEDs on Circuit Boards ........................................................ 2-18
2-12. Taking Out the Cassette in Tape Slacking ................................................ 2-22
2-13. Removing/Reattaching Plug-in Boards ..................................................... 2-23
2-14. Fixtures and Adjustment Equipment List ................................................. 2-24
2-15. ISR ............................................................................................................. 2-27
2-16. Battery for Memory Backup ..................................................................... 2-28
2-17. Setup Menu (F-Series) .............................................................................. 2-29
3. Error Message
3-1. Overview of Error Message ........................................................................ 3-1
3-2. Details of Error Messages ........................................................................... 3-3
2
2-1-1. Warning on Primary Circuit Block and Electric Shock ............. 2-1
2-1-2. Note on Resetting the Circuit Breaker ....................................... 2-1
2-3-1. Upper Lid, Side Panels, and Bottom Plate ................................. 2-2
2-3-2. Control Panels ............................................................................ 2-3
2-3-3. Connector Panel Assembly ........................................................ 2-4
2-3-4. Power Supply Panel Assembly .................................................. 2-5
2-8-1. Printed Circuit Boards and Power Supply Unit Locations ....... 2-10
2-8-2. Main Mechanical Part Locations ............................................. 2-13
2-14-1. Fixtures ..................................................................................... 2-24
2-14-2. Equipment for Adjustment ....................................................... 2-26
2-17-1. Menu Operation ....................................................................... 2-29
2-17-2. F-Series Items ........................................................................... 2-30
DNW-A75/A75P