Text preview for : HWD770SEN_SB-SI_1348557584.pdf part of Samsung HWD770SEN SB-SI 1348557584 Samsung Audio HW-D770S HWD770SEN_SB-SI_1348557584.pdf
Back to : HWD770SEN_SB-SI_134855758 | Home
AV Receiver System
Model Name HW-D770S
Model Code HW-D770S/EN
SERVICE MANUAL
AV Receiver System Contents
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
HW-D770S 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. HW-D7** Product Feature ............................................................................................ 2 - 1
2.1.2. HW-D6** Product Feature ............................................................................................ 2 - 2
2.2. Specifications.......................................................................................................................... 2 - 3
2.2.1. HW-D7** Specifications............................................................................................... 2 - 3
2.2.2. HW-D6** Specifications............................................................................................... 2 - 4
2.3. Specifications Analysis ............................................................................................................. 2 - 5
2.4. Accessories ............................................................................................................................ 2 - 7
2.4.1. Supplied Accessories ................................................................................................... 2 - 7
3. Disassembly & Reassembly ................................................................................................................ 3 - 1
3.1. HW-D7** Overall Disassembly Reassembly ................................................................................. 3 - 1
3.2. HW-D6** Overall Disassembly Reassembly ................................................................................. 3 - 5
4. Troubleshooting ................................................................................................................................ 4 - 1
4.1. Checkpoints by Error Mode ....................................................................................................... 4 - 1
4.1.1. No Power................................................................................................................... 4 - 2
4.1.2. No Sound-1 ................................................................................................................ 4 - 6
4.1.3. No Sound-2 ................................................................................................................ 4 - 12
4.1.4. No Sound-3 ................................................................................................................ 4 - 14
4.2. Measures to be taken when the Protection Circuit operates............................................................... 4 - 20
4.2.1. Operation of Power Block Protection Circuit .................................................................... 4 - 20
4.2.2. Power Protection ......................................................................................................... 4 - 20
4.2.3. Check AMP in Power Protection .................................................................................... 4 - 21
4.3. Initialization & Upgrade Methods ............................................................................................... 4 - 22
4.3.1. SW Update Method ..................................................................................................... 4 - 22
4.3.2. Version & Initialization................................................................................................. 4 - 23
5. PCB Diagram ................................................................................................................................... 5 - 1
5.1. Wiring Diagram....................................................................................................................... 5 - 1
5.2. FRONT PCB Top (Only HW-D7**) ............................................................................................ 5 - 2
5.2.1. Pin Connection ........................................................................................................... 5 - 3
5.3. FRONT PCB Bottom (Only HW-D7**) ....................................................................................... 5 - 4
5.4. FRONT PCB Top (Only HW-D6**) ............................................................................................ 5 - 5
5.4.1. Pin Connection ........................................................................................................... 5 - 6
5.5. FRONT PCB Bottom (Only HW-D6**) ....................................................................................... 5 - 7
i Copyright