File name PLC-SU20B.pdfFILE NO.
SERVICE MANUAL
Multimedia Projector
Model No. PLC-SU20E
(Europe, Asia, Africa, M.E.)
PLC-SU20B
(U.K.)
Original Version
Service Ref. No.:
PLC-SU20E-00 PLC-SU20B-00
Give complete "Service Ref. No." for parts order or servicing, it is shown on the rating sheet on the projector.
PRODUCT CODE
(PA6A) (PA6C) PLC-SU20E: PLC-SU20B:
1 122 068 00 1 122 068 02
REFERENCE NO. SM5110048
s Contents
s s s s
Safety instructions ________________________________________________3 Specifications __________________________________________________ 4 Adjustments after parts replacement ________________________________ 5 Circuit protections ______________________________________________ 6-7 Fuse ______________________________________________________ 6 Thermal switch ______________________________________________ 7 Warning temperature and power failure protection ____________________ 7 s Mechanical disassemblies ______________________________________ 8-13 s Optical parts disassemblies ____________________________________ 14-18 s LCD panel replacement __________________________________________ 19 s Lamp replacement ____________________________________________ 20-22 s Optical adjustments __________________________________________ 23-25 q Convergence adjustment ____________________________________ 23 q Contrast adjustment ________________________________________ 24 q Integrator lens adjustment __________________________________ 25 s Electric adjustments __________________________________________ 26-35 q Service adjustment menu operation ____________________________ 26 q Circuit adjustments ______________________________________ 27-32 q Service adjustment data table ______________________________ 33-34 q Test points and locations ____________________________________ 35 s Troubleshooting ______________________________________________ 36-40 q No power ______________________________________________ 36-38 q No picture ________________________________________________ 39 q No sound ________________________________________________ 40 s Control port functions ________________________________________ 41-42 s Waveforms __________________________________________________ 43-45 s Cleaning ______________________________________________________ 46 s IC block diagrams ____________________________________________ 47-58 s Pins description of ICs, transistors, diodes____________________________ 59 s Parts description in schematic diagram ______________________________ 60 s Service parts lists ____________________________________________ 61-87 q Electrical parts list ______________________________________ 61-81 q Mechanical parts list ____________________________________ 82-87
s s s s
Circuit block diagram ____________________________________________ A1 Power supply lines ______________________________________________ A2 Schematic diagrams __________________________________________ A3-A9 Printed wiring board diagrams ________________________________ A10-A12
2
s Safety I |