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MINI-Compact System
Model Name MX-F870
Model Code MX-F870/ZP
SERVICE MANUAL
MINI-Compact System Contents
1. Precaution
2. Product Specification
3. Disassembly and Reassembly
MX-F870
4. Troubleshooting
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
2.1.1. Product Feature MX-F830/MX-F830B ............................................................................ 2 - 1
2.1.2. Product Feature MX-F850............................................................................................. 2 - 2
2.1.3. Product Feature MX-F870............................................................................................. 2 - 3
2.2. Specifications.......................................................................................................................... 2 - 4
2.3. Specifications Analysis ............................................................................................................. 2 - 6
2.4. Accessories ............................................................................................................................ 2 - 7
2.4.1. Supplied Accessories ................................................................................................... 2 - 7
3. Disassembly and Reassembly .............................................................................................................. 3 - 1
3.1. Main 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 - 7
4.2.1. Operation of Power Block Protection Circuit .................................................................... 4 - 7
4.2.2. Check AMP in Power Protection .................................................................................... 4 - 8
4.3. MICOM, MPEG Initialization & Update ...................................................................................... 4 - 9
4.4. Buyer-Region Code Setting Method ............................................................................................ 4 - 10
4.4.1. The inserting method of Region Code after replacing the Main PBA ..................................... 4 - 10
5. PCB Diagram ................................................................................................................................... 5 - 1
5.1. Wiring Diagram....................................................................................................................... 5 - 1
5.2. MAIN PCB Top ...................................................................................................................... 5 - 2
5.2.1. Pin Connection ........................................................................................................... 5 - 3
5.2.2. Test Point Wave Form .................................................................................................. 5 - 4
5.3. MAIN PCB Bottom.................................................................................................................. 5 - 5
5.4. FRONT-JACK PCB Top ........................................................................................................... 5 - 6
5.5. FRONT-JACK PCB Bottom ...................................................................................................... 5 - 7
5.5.1. Pin Connection ........................................................................................................... 5 - 8
5.6. FRONT-VFD PCB Top ............................................................................................................. 5 - 9
5.6.1. Pin Connection ........................................................................................................... 5 - 10
5.7. FRONT-VFD PCB Bottom ........................................................................................................ 5 - 11
5.8. SPK LED PCB Top .................................................................................................................. 5 - 12
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