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DLP Projector
Chassis :H4VA
Model :SP-A400B

SERVICE Manual

DLP Projector Contents

1.Precautions

2. Product specifications

3.DisassemblyandReassemble

4.Troubleshooting

5.ExplodedView&PartList

6.WiringDiagram

7.SchematicDiagram

SP-A400B

Refer to the service manual in the GSPN (see the rear cover) for the more information.
Contents
1.Precautions.............................................................................................................. 1-1
1-1. Safety Precautions ......................................................................................................... 1-1
1-2. Servicing Precautions ..................................................................................................... 1-2
1-3. Static Electricity Precautions .......................................................................................... 1-2
1-4. Installation Precautions .................................................................................................. 1-3
2. Product specifications............................................................................................ 2-1
2-1. Feature & Specifications ................................................................................................. 2-1
2-2. Spec Comparison to the Old Models .............................................................................. 2-2
2-3. Accessories .................................................................................................................... 2-3
3.DisassemblyandAssembly.................................................................................... 3-1
3-1. Disassembly ................................................................................................................... 3-1
3-2. Precision Disassembly ................................................................................................. 3-13
4.Troubleshooting...................................................................................................... 4-1
4-1. LED Indicators.............................................................................................................................4-1
4-2. Actions to Take according to LED Indications (Users) .................................................... 4-1
4-3. Troubleshooting .............................................................................................................. 4-3
4-4. When the Standby LED Does Not Turn On .................................................................... 4-4
4-5. When the Power Does Not Turn On ............................................................................... 4-5
4-6. Troubleshooting 1. The Standby and TEMP LEDs blink ................................................. 4-6
4-7 Troubleshooting Point 2. The LAMP and TEMP LEDs Blink............................................ 4-8
4-8. Troubleshooting Point 3. The TEMP LED Blinks ............................................................ 4-9
4-9. Troubleshooting 4. The Standby LED is On and the LAMP and TEMP LEDs blink...... 4-10
4-10. Troubleshooting 5. The Standby, LAMP, and TEMP LEDs blink................................. 4-12
4-11. When a Blank Screen Is Displayed............................................................................. 4-15
4-12. When an Input Screen Error occurs ........................................................................... 4-17
4-13. Adjustment .................................................................................................................. 4-18
5.ExplodedView&PartList...................................................................................... 5-1
5-1. Exploded View ................................................................................................................ 5-1
5-2. Parts List ......................................................................................................................... 5-4
6.WiringDiagram........................................................................................................ 6-1
6-1. Wiring Diagram ............................................................................................................... 6-1
6-2. Wiring Diagram with Photos ........................................................................................... 6-6
7.SchematicDiagrams............................................................................................... 7-1
7-1. Circuit Description - System Block Diagram ................................................................... 7-1
7-2. Circuit Description - Digital Board Block Diagram .......................................................... 7-2
7-3. Circuit Description - Formatter Board Block Diagram ..................................................... 7-3
7-4. Circuit Description - DMD Board Block Diagram ............................................................ 7-4
7-5. Schematic Diagrams ..................................................................................................... 7-5
GSPN(GlobalServicePartnerNetwork)
Area WebSite
NorthAmerica http://service.samsungportal.com
LatinAmerica http://latin.samsungportal.com
CIS http://cis.samsungportal.com
Europe http://europe.samsungportal.com
China http://china.samsungportal.com
Asia http://asia.samsungportal.com
Mideast&Africa http://mea.samsungportal.com