Sanyo PLC-XC10 Multimedia Projector

FILE NO.

SERVICE MANUAL

Multimedia Projector

Model No. PLC-XC10 PLC-SC10 PLC-XU60 PLC-SU60 U.S.A., Canada, Europe, Asia, Africa U.K.

Original Version

Chassis No. MF7-XC1000 MF7-XU6000 MG7-SC1000 MG7-SU6000 NOTE: Match the Chassis No. on the unit’s back cover with the Chassis No. in the Service Manual. If the Original Version Service Manual Chassis No. does not match the unit’s, additional Service Literature is required.You must refer to “Notices” to the Original Service Manual prior to servicing the unit.

PRODUCT CODE PLC-XC10 1 122 195 00 (MF7A) 1 122 196 00 (PF7A) 1 122 196 02 (PF7C)

PLC-SC10 1 122 197 00 1 122 198 00 1 122 198 02

(MG7A) (PG7A) (PG7C)

PLC-XU60 1 122 241 00

PLC-SU60 1 122 242 00

(MG7AA)

(MF7AA)

REFERENCE NO. SM5110535-00

■ Contents ■ Safety Instructions ________________________________________________3 ■ Specifications ____________________________________________________4 ■ Circuit Protections ________________________________________________5 ● Fuse ____________________________________________________5 ● Thermal switch ____________________________________________5 ● Lamp cover switch __________________________________________5 ● Warning temperature and power failure protection ________________6 ■ Lamp Replacement ______________________________________________7 ■ Mechanical Disassemblies__________________________________________8 ■ Optical Parts Disassemblies ______________________________________15 ■ Adjustments ____________________________________________________20 ● Adjustments after Parts Replacement __________________________20 ● Note on the Servicing ______________________________________20 ■ Optical Adjustments ______________________________________________21 ■ Electrical Adjustments ____________________________________________25 ● Service Adjustment Menu Operation____________________________25 ● Circuit Adjustments ________________________________________26 ● Test Points and Locations ____________________________________32 ● Service Adjustment Data Table ________________________________33 ■ Chassis Block Diagrams __________________________________________42 Chassis over view ____________________________________________42 Inputs & video signal processing stage ____________________________43 LCD panel driving stage ______________________________________44 Audio signal processing circuit __________________________________45 System controls ______________________________________________46 Power supply & protection circuit ________________________________47 Motor drive circuit ____________________________________________48 Principle of operation for Auto-Focus and Auto-Keystone Correction ____49 ■ Troubleshooting ________________________________________________51 No Power __________________________________________________51 No Picture __________________________________________________52 Motor problems ______________________________________________54 No Sound __________________________________________________54 ■ Control Port Functions ____________________________________________55 ■ Cleaning ______________________________________________________62 ■ IC Block Diagrams ____________________________________________63-68 ■ Service Parts List ____________________________________________69-102 Electrical Parts List ________________________________________69-96 Mechanical Parts List ______________________________________97-102

Drawings & Diagrams ■ ■ ■ ■

Parts description and reading in schematic diagram ____________________ A2 Schematic diagrams ________________________________________ A3-A10 Printed wiring board diagrams ________________________________ A11-A14 Pins description of ICs, transistors, diodes __________________________ A15

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■ Safety Instructions SAFETY PRECAUTIONS WARNING: The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is identified with the line ( ) in the schematic diagram. For continued product