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Docking Audio
Model Name DA-E750
Model Code DA-E750/EN
SERVICE MANUAL
Docking Audio Contents
1. Precaution
2. Product Specification
3. Disassembly and Reassembly
4. Troubleshooting
DA-E750 5. PCB Diagram
6. Schematic Diagram
Refer to the service manual in the GSPN (see the rear cover) for more information.
Contents
Contents
1. Precaution........................................................................................................................................ 1 - 1
1.1. Safety Precautions ................................................................................................................... 1 - 1
1.2. Servicing Precautions ............................................................................................................... 1 - 3
1.3. Precautions for Electrostatically Sensitive Devices (ESDs) .............................................................. 1 - 4
2. Product Specification ......................................................................................................................... 2 - 1
2.1. Product Feature ....................................................................................................................... 2 - 1
2.2. Specifications.......................................................................................................................... 2 - 3
2.3. Specifications Analysis ............................................................................................................. 2 - 5
2.4. Accessories ............................................................................................................................ 2 - 6
2.4.1. Supplied Accessories ................................................................................................... 2 - 6
3. Disassembly and Reassembly .............................................................................................................. 3 - 1
3.1. Overall Disassembly and Reassembly .......................................................................................... 3 - 1
4. Troubleshooting ................................................................................................................................ 4 - 1
4.1. Checkpoints by Error Mode ....................................................................................................... 4 - 1
4.1.1. No Power................................................................................................................... 4 - 2
4.1.2. No Output .................................................................................................................. 4 - 3
4.2. Measures to be taken when the Protection Circuit operates............................................................... 4 - 5
4.2.1. Operation of Power Block Protection Circuit .................................................................... 4 - 5
4.2.2. Power Protection ......................................................................................................... 4 - 5
4.2.3. Check AMP in Power Protection .................................................................................... 4 - 6
4.3. Initialization & Update ............................................................................................................. 4 - 7
4.3.1. USB Update procedure ................................................................................................. 4 - 7
4.3.2. How to initialize.......................................................................................................... 4 - 7
5. PCB Diagram ................................................................................................................................... 5 - 1
5.1. DA-E750 Wiring Diagram......................................................................................................... 5 - 1
5.2. DA-E760 Wiring Diagram......................................................................................................... 5 - 2
5.3. MAIN PCB Top ...................................................................................................................... 5 - 3
5.3.1. Pin Connection ........................................................................................................... 5 - 4
5.3.2. Test Point Wave Form .................................................................................................. 5 - 5
5.4. MAIN PCB Bottom.................................................................................................................. 5 - 6
5.5. SMPS PCB Top....................................................................................................................... 5 - 7
5.6. SMPS PCB Bottom .................................................................................................................. 5 - 8
5.7. VT PCB Top........................................................................................................................... 5 - 9
5.8. VT PCB Bottom ...................................................................................................................... 5 - 10
5.9. JACK PCB Top ....................................................................................................................... 5 - 11
5.10. JACK PCB Bottom .................................................................................................................. 5 - 12
5.11. REMOTE PCB Top/Bottom....................................................................................................... 5 - 13
5.12. KEY PCB Top ........................................................................................................................ 5 - 14
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