Sanyo PLV-Z5 - Location of Test Points; Main Board

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-70-

K8J

K8N

K8L

K8H

K4800

IC801

IC301

IC561

TP35R

K801

K8M

K35R

IC4401

IC8201

K3471

K35G

IC401

IC531

IC501

K35B

K8A

K8C

K8D

K8B

K78B

K8P

K78A

K8R

K78C

K8Q

K8G

TP35G

TP35R

TP35B

TPFAN1

TPFAN2

TPFAN3

TPFAN4

Electrical Adjustments

MAIN BOARD

●

Location of Test Points

Table of Contents

Table of Contents2
Safety Precautions3
Safety Instructions3
- Technical Specifications4
- Fuse5
- Thermal Switch5
- How to Replace the Fuse5
Circuit Protections5
- Lamp Cover Switch6
- Door Switches for Automatic Slide Shutter6
- Warning Temperature and Power Failure Protection6
- Cleaning with Air Spray7
Maintenance and Cleaning7
- Cleaning the RGB Panels8
- If the Nozzle Is Pulled out8
- Bottom View9
- Clean by Using the Cleaning Function in the Setting Menu9
- Which Hole to Put the Nozzle In?9
- Cleaning the Air Filters10
- Cleaning the Projection Lens11
- Cleaning the Projector Cabinet11
- Lamp Handling Precautions12
Lamp Replacement12
- Lamp Replacement Counter13
- How to Check Lamp Used Time13
- Cabinet Top Ass'y Removal14
Mechanical Disassemblies14
- Cabinet Top Ass'y Disassemblies15
- Cover Lens Top and Spacer Removal16
- Cabinet Front Ass'y Removal16
- Cabinet Front Ass'y Disassemblies17
- Lamp Exhaust Duct Ass'y Removal19
- Main Board Removal19
- Main Power Ass'y Removal21
- Main Power Ass'y Disassemblies21
- Lamp Duct Ass'y Removal23
- Lamp Cooling Fan(FN902) Ass'y Removal23
- Optical Base Lamp Ass'y Removal24
- Optical Base Lamp Ass'y Disassemblies24
- Optical Unit Removal25
- Filter Board Removal25
- Duct Cover Removal26
- LCD Duct Top Removal26
- Fans(Fn904, FN905) Removal27
- LCD Duct Bottom Removal27
- Cabinet Bottom Ass'y Disassemblies28
- Lamp Ass'y and Filters Removal29
- Integrator Lens (IN) Disassemblies30
- Integrator Lens Ass'y Removal30
- Lens Shift Panel Removal30
Optical Parts Disassemblies30
- LCD Panel / Prism Ass'y Removal31
- Panel Type Check31
- LCD Panel / Prism Ass'y Disassemblies32
- Optical Filter(WV-G) Ass'y Disassemblies33
- Optical Filter(WV-G) Ass'y Removal33
- Polarized Glass Ass'y (IN-R) Removal34
- Polarized Glass(IN-R) Removal34
- Polarized Glasses Removal.35
- Polarized Glass Ass'y (IN-B)36
- Projection Lens Ass'y Removal37
- Projection Lens Removal37
- Lamp Iris Unit and Relay Lens Ass'y Removal38
- Optical Base Top Removal38
- Condenser Lenses Removal39
- Relay Lens (OUT) Ass'y Disassemblies39
- Mirrores Removal40
- PBS and Integratoe Lens (OUT) Removal40
- Optical Parts Location and Direction41
- Memory IC Replacement45
- Caution to Memory IC Replacement45
- Caution of Main Board Replacement45
Adjustments after Parts Replacement45
Optical Adjustment46
- Before Adjustment47
- Integrator Lens Adjustment48
- Relay Lens Adjustment50
- Contrast Adjustment (Polarized Glass-G,B)52
- Contrast Adjustment (Polarized Glass-R)53
- If the Un-Uniformity Appears on the Corner53
- Contrast Adjustment (Optical Filter WV-IN)54
Electrical Adjustment55
- Service Adjustment Menu Operation55
  - To Enter Service Mode55
  - To Adjust Service Data55
- Circuit Adjustment56
- Service Adjustment Data Table60
- Electrical Adjustments61
- Location of Test Points70
- Main Board70
Waveform71
Chassis Overview72
Chassis Block Diagram72
- Video Signal Processing Circuit and LCD Panel Driving Circuit73
- Chassis Block Diagrams73
- Main Board73
- System Controls74
- Description of System Control Circuit75
- Power Saving System Control75
- Remote Control75
- Motor Driving Circuit76
- Description of Motor Driving Circuit77
- Lamp Iris Motor and Lens Iris Motor77
- Lamp Iris Motor77
- Lens Iris Motor77
- Fan Control Circuit78
- Fan and Sensor Location78
- Description of Fan Control Circuit79
- Power Failure Protection of Fan79
- Temperature Sensor for Fan Control79
- Power Supply Circuit and Protection Circuit80
Power Supply Lines80
- Description of Power Supply Circuit81
- Power Failure Protection of Secondary Power Circuit81
- Flow Chart of Projector Condition81
Troubleshooting82
- No Power82
- No Picture84
I/O Port Table of Main CPU (IC301, PW386)86
Control Port Functions86
- Sub CPU (IC4801, PIC16F873)87
- IIC Bus D/A Converter87
- Parallel Bus I/O Expander87
IC Block Diagrams88
- Electrical Parts List93
- Read Description in the Parts List93
Service Parts List93
- Assemblied Boards94
- Out of Circuit Board94
- Remote Control108
- Mechanical and Optical Parts List109
- Diagrams & Drawings125
- Capacitor Reading126
- Resistor Reading126
- Diode/Transistor Type Reading126
Parts Description and Reading in Schematic Diagram126
Power Unit127
Schematic Diagrams127
Printed Wiring Board Diagrams133
- Pin Description of Diode, Transistor and IC137
- Soldering Iron138
- Solder138
Note on Soldering138

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