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Micro Component
System
Model Name MM-E320
Model Code MM-E320/EN
SERVICE MANUAL
Micro Component System Contents
1. Precaution
2. Product Specification
3. Disassembly and Reassembly
4. Troubleshooting
MM-E320
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 - 2
2.3. Specifications Analysis ............................................................................................................. 2 - 3
2.4. Accessories ............................................................................................................................ 2 - 4
2.4.1. Supplied Accessories ................................................................................................... 2 - 4
3. Disassembly and Reassembly .............................................................................................................. 3 - 1
3.1. Main Set Disassembly and Reassembly........................................................................................ 3 - 1
3.2. DECK Disassembly and Reassembly ........................................................................................... 3 - 6
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 - 4
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. Check AMP in Power Protection .................................................................................... 4 - 6
4.3. MICOM, MPEG Initialization & Update ...................................................................................... 4 - 7
4.4. Buyer-Region Code Setting Method ............................................................................................ 4 - 8
4.4.1. The inserting method of Region Code after replacing the Main PBA ..................................... 4 - 8
5. PCB Diagram ................................................................................................................................... 5 - 1
5.1. Wiring Diagram....................................................................................................................... 5 - 1
5.2. FRONT PCB Top .................................................................................................................... 5 - 2
5.2.1. Pin Connection ........................................................................................................... 5 - 3
5.3. FRONT PCB Bottom ............................................................................................................... 5 - 4
5.4. MAIN PCB Top ...................................................................................................................... 5 - 5
5.4.1. Pin Connection ........................................................................................................... 5 - 6
5.4.2. Test Point Wave Form .................................................................................................. 5 - 7
5.5. MAIN PCB Bottom.................................................................................................................. 5 - 8
5.6. SMPS PCB Top....................................................................................................................... 5 - 9
5.7. SMPS PCB Bottom .................................................................................................................. 5 - 10
6. Schematic Diagram ........................................................................................................................... 6 - 1
6.1. Overall Block Diagram ............................................................................................................. 6 - 1
6.2. FRONT ................................................................................................................................. 6 - 2
6.3. MAIN-1................................................................................................................................. 6 - 3
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