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3. LCD Drive Stage
The digital converted RGB signals are scan-converted in the IC301<SCAN CONVERTER> , and then applied to
IC401<DIGITAL GAMMA & TIMING CONTROL> through IC9401<AI>. The signals clock for "SC_DCLK", H-Sync
for "SC_DHSYNC", V-Sync for "SC_DVSYNC" are output from pins 237, 231 and 142 of IC301 and applied to IC401
through IC4481.
The timing pulses applied to digital gamma correction and LCD panel circuit are generated in IC401, and applied to
the RGB panel drive circuits. Digital/Analog conversion is carried out at IC501, IC521, IC541, IC561, IC1501, IC1521,
IC1541, IC15461, IC2501, IC2521, IC2541 and IC2561.
[NO PICTURE]
Point of Repair
Check that the timing signals are correct. H-Sync signal, V-Sync signal and other clock signals. Observe signals at test
points "TPGMHIN, TPGMVIN, TPG_DCLK"
Check that the proper drive signals are applied on the LCD panels. Observe signals at test points "TP_RV101, TP_
RV102, TP_GV101, TP_GV102, TP_BV101, TP_BV102".
Check that the panel power supply (15.5V) is applied on the panels.
Chassis Description & Troubleshooting
Содержание PLC-EF60A
Страница 100: ... 100 IC Block Diagrams BA7078AF Sync Separator IC9033 L3E01031F0A RGB Level Shift IC3501 IC3521 IC3541 ...
Страница 101: ... 101 IC Block Diagrams LB1641 Motor Driver IC1601 IC1611 IC1621 IC1631 TB1274AF RGB Matrix IC3101 ...
Страница 102: ... 102 IC Block Diagrams TC4052BFT Selector IC9005 TC90A69F PAL Y C Separator IC2101 ...
Страница 103: ... 103 IC Block Diagrams TE7780 I O Expander IC4801 IC4802 MAS1390 G Sensor IC5711 ...
Страница 104: ... 104 IC Block Diagrams ...
Страница 149: ...KJ6 EF60A00 149 Mechanical Parts List 149 A B M02 1 M02 Lens Mount M02 4 M02 4 M02 3 M02 2 Lens Mount Ass y M02 3 ...
Страница 151: ...KJ6 EF60A00 151 Mechanical Parts List Optical Filter UV IR Mirrors L12 Optical Filter UV IR L11 Mirror Cold ...
Страница 153: ...KJ6 EF60A00 153 Mechanical Parts List L15 R G Optical Filter WV Optical Filter WV S05 S05 ...
Страница 154: ...KJ6 EF60A00 154 Mechanical Parts List 1 2 0 5 L03 Integrator In Integrator In ...
Страница 155: ...KJ6 EF60A00 155 Mechanical Parts List 1 2 0 5 L02 PBS L04 Integrator Out Integartor Out PBS S05 S05 ...
Страница 156: ...KJ6 EF60A00 156 Mechanical Parts List L09 Mirror R Mirror R S05 S05 ...
Страница 157: ...KJ6 EF60A00 157 Mechanical Parts List 157 Relay lens Out L08 Relay Lens Out ...
Страница 160: ... KJ6A Feb 2006 BB 400 Printed in Japan SANYO Electric Co Ltd ...
Страница 184: ...Diagrams Drawings KJ6 EF60A00 ...