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-162-

Troubleshooting

- 162 -

Check the MOTHER board.

Check the signals (RGB signals, H/V

sync signals, Component signals and

vide signals) at connector "K90E".

No Picture

IC9071

RGB SW

A_R1

A_G1

A_B1

SLOT_R

SLOT_G

SLOT_B

DSUB_R

DSUB_G

DSUB_B

DSUB_H

DSUB_V

5BNC_R

5BNC_G

5BNC_H

5BNC_V

S_Y

S_C

SCART_CV

5BNC_B

IC9091

SYNC SW

SLOT_H

SLOT_V

SLOT_C

A_R2

A_HS1

A_VS1

A_HS2

A_VS2

A_G2

A_B2

IC9001

K90BK90A

TO MAIN BOARD “K22A”

SLOT2

SLOT1

K90E

LVDS SW

K80A

K90C

THS_SLOT TCLK1_SLOT

TVS_SLOT TCLK2_SLOT

TA2_SLOT TA1_SLOT

TB2_SLOT TB1_SLOT

TC2_SLOT TC1_SLOT

TD2_SLOT TD1_SLOT

THS_AV TCLK1_AV

TVS_AV TCLK2_AV

TA2_AV TA1_AV

TB2_AV TB1_AV

TC2_AV TC1_AV

TD2_AV TD1_AV

Service Manual1
Table of Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
- Operating Environment4
- Remote Control4
Specifications4
Circuit Protections5
- Fuses (F601, F60, F603)5
- Thermostats (SW903, SW904, SW905, SW906)6
- Temperature Sensors, Wind Sensors7
- Power Failure, Fan Lock and Filter Error Detection8
Maintenance9
- Maintaining the AMC Unit9
- Replacing the Filters10
- Resetting the Filter Counter11
- Lamp Management12
- Lamp Replacement13
- Checking the Projector Used Time and Lamp Used Time14
- Quick Maintenance15
- Cleaning the Optical Parts16
- Cleaning the Projection Lens16
- Cleaning the Projector Cabinet16
- Resetting Procedure17
- Function Description17
Security Function Notice17
Lens Mounting18
Lens Mounting21
Mechanical Disassembly22
- Mechanical Disassembly Flow Chart22
Optical Parts Disassembly44
- Lcd Panels Removal47
- Lcd Panel Type Check47
- Integrator Assy Removal51
- Optical Unit Top Removal53
- Optical Parts Locations in the Optical Unit54
- Optical Lamp Unit Top Removal55
- Optical Parts Locations in the Optical Lamp Unit55
- Mirror Assy Removal56
- Optical Filters Assy Removal56
Adjustments58
- Adjustments after Parts Replacement58
- Note on Main Board Replacement58
Optical Adjustments59
- Optical Adjustment Location59
- Before Adjustment60
- Optical Center Adjustment62
  - Relay Lens Adjustment63
  - Condenser Lens Adjustment64
- PBS Adjustment66
- Contrast Adjustment67
- Back Focus Adjustment68
- Convergence Adjustment69
  - Adjustment Tool Installation70
  - Adjustment Tool Removal71
- Adjustment72
Electrical Adjustments73
- Service Adjustment Menu Operation73
- Circuit Adjustments74
  - Output Voltage Adjustment74
  - White Balance Adjustment77
- Test Points and Locations78
- DC Power Board78
- Service Adjustment Data79
Chassis Description157
- Chassis over View157
- Chassis Description158
- Boards Connection158
Troubleshooting159
- No Picture159
- Main Board161
- No Power163
- Power Supplies to Boards164
- AC-DC Power Board165
- DC Power Borad166
- PFC- Board167
- Power Supply and Power Failure Detection168
- Power Drive and Power Failure Signals171
- Fan Control System172
- Motor Control System173
- Temperature Abnormality174
- Lamp Abnormality175
- Lamp Control System176
- Power Failure Detection System177
- Error Information Table177
- Error History Log178
- Diagnosis of Power Failure with RS-3C Port179
- Diagnosis Procedure179
- Indicators and Projector Condition180
Serial Control183
- Serial Control Interface183
  - Functional Execution Command183
  - Status Read Command184
Control Port Functions185
IC Block Diagrams188
Parts Location Diagrams194
Mechanical Parts List212
Electrical Parts List214
Diagrams & Drawings279
Parts Description and Reading in Schematic Diagram280
Schematic Diagrams283
Printed Wiring Board Diagrams299

Brand	Sanyo
Model	PLC-HF15000L
Category	Projector
Language	English

Sanyo PLC-HF15000L Service Manual

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