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Optical Parts Disassembly

3 Polarized glass(IN) assy removal

1 Remove 1 screw A (M2.5x5) on each stopper and take the

polarized glasses upward off.

Polarized glass

(IN) assy

Stopper

Blue

Red

Green

Polarized glass(IN/B)1

Blue

Green

Red

Green marker

Red marker

Blue marker

(Behind)

Polarized glass(IN/R)1

Polarized glass(IN/R)

Polarized glass(IN/G)2

Film side

R-holder A

R-holder

G-holder A

B-holder

R-holder

R-holder A

G-holder A

B-holder

Service Manual1
Table of Contents2
Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
Specifications4
Circuit Protections5
- Fuse5
- Thermal Protector (SW905)5
- Mechanical Sensor Switches (SW1891,SW1861)6
- Temperature Sensors, Wind Sensors7
- Power Failure and Fan Lock Detection8
Maintenance9
- Replacing the Filter Cartridge9
- Resetting the Filter Counter10
- Resetting the Scroll Counter10
- Lamp Replacement11
- Resetting the Lamp Counter12
- How to Check Lamp Used Time12
- Cleaning13
- Quick Maintenance14
Security Function Notice15
Mechanical Disassembly16
- Mechanical Disassembly Flow Chart16
- Mechanical Disassembly17
Optical Parts Disassembly29
Focus Adjustment32
Adjustments39
- Adjustments after Parts Replacement39
- Note on Main Board Replacement39
Optical Adjustments40
- Contrast Adjustment40
Electrical Adjustments41
- Service Adjustment Menu Operation41
- Memory IC (IC1387) Replacement41
- Circuit Adjustments42
- White Balance Adjustment44
- Test Points and Locations46
- Service Adjustment Data Table47
- Electrical Adjustment48
Chassis Description72
- Chassis over View72
- Input & Signal Processing Stage73
- LCD Drive Stage74
- Lamp Control Stage75
- Fan Control Stage76
- Motor Control Stage77
- Bus Control Stage78
- LED Drive & RC Control Stage79
- Power Supply & Power Failure Circuit80
- Indicators and Projector Condition81
- Power Failure Detection System84
- Error Information Table84
- Power Failure Detection Tree85
- Error History Log87
- Diagnosis of Power Failure with RS-232C Port88
- Diagnosis Procedure88
- Serial Control Interface89
- Status Read Command90
Control Port Functions91
- System Control I/O Port Functions (PW392, IC301)91
- I/O Expander (TE7783, IC4801)92
- Fpga (Xc3S50A, Ic5201)93
- IIC Bus D/A Converter (M62393FP Fan Control, IC7801)93
IC Block Diagrams94
Mechanical Parts List101
- Cabinet Parts Location101
- Mechanical Parts List108
Electrical Parts List110
- Electrical Parts Location111
- Electrical Parts List112
Diagrams & Drawings151
Parts Description and Reading in Schematic Diagram152
Note on Soldering154
Schematic Diagrams155
Printed Wiring Board Drawings165

Brand	Sanyo
Model	PLC-HP7000L
Category	Projector
Language	English

Sanyo PLC-HP7000L Service Manual

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