Sanyo PLC-EF60 Service Manual

Also see for PLC-EF60: Owner's manual Specifications

Contents

- 2 -ContentsSERVICE MANUAL ................................................... 1Contents ........................................................................ 2Safety Instructions ......................................................... 3Safety Precautions...................................................... 3Product Safety Notice ................................................. 3Service Personnel Warning ........................................ 3Specifications ................................................................ 4Safety Protections ......................................................... 51. Fuse ........................................................................ 52. Thermal switches .................................................... 53. Mechanical switches ............................................... 64. Temp. and airflow sensors ...................................... 75. Power failure and fan lock detection ....................... 7Air filter replacement...................................................... 8Lamp Replacement ....................................................... 9How to Reset the Lamp or Filter Timer ........................ 10Mechanical disassemblies ........................................... 11Optical Parts Disassemblies ........................................ 23LCD Panel Replacement ............................................. 30Adjustments ................................................................. 31PIN Code Reset ........................................................ 31Adjustments after Parts Replacement ...................... 31Optical Adjustments..................................................... 321. Optical Center adjustment .................................... 322. Contrast adjustment .............................................. 383. Convergence service adjustment.......................... 394. Back focus adjustment .......................................... 41Electrical Adjustments ................................................. 421. Service Adjustment Menu Operation .................... 422. Circuit Adjustments ............................................... 433. Test points and locations ....................................... 474. Service Adjustment Data Table ............................. 48Chassis Description & Troubleshooting ....................... 651. Chassis Overview ................................................. 652. Signal Input and Decoding Stage ......................... 663. Audio Signal Processing Stage ............................ 684. LCD Drive Stage ................................................... 705. Lamp Control ........................................................ 726. Fan Control ........................................................... 747. Motor Control ........................................................ 768. System Control .................................................... 789. Power Supply and Failure Detection ..................... 8110. Diagnosis of Failure with LED indication ............. 8311. Diagnosis of Power Failure with RS-232C port ... 85Control Port Functions ................................................. 89Cleaning .................................................................... 100IC Block Diagrams .............................................. 101-106Electrical Parts List .................................................... 107Electrical Parts Location ......................................... 108Electrical Parts List ................................................. 111Mechanical Parts List ................................................ 151Cabinet Parts Location ........................................... 151Chassis Parts Location ........................................... 152Optical Parts Location ............................................ 154Mechanical Parts List ............................................. 164Diagrams & Drawings ..................................................A1Parts description and reading in schematic diagram ....... A2Schematic Diagrams ........................................... A3-A14Printed Wiring Board Diagrams ......................... A15-A24Pin description of diode, transistor and IC .................A25