-27-
Electrical Adjustments
[Adjustment Condition]
●
Input signal
Video signal ........................ 1.0Vp-p/75
W
terminated, 16 steps gray scale
(Composite video signal)
Component Video signal ...... 1.0Vp-p/75
W
terminated, 8 color 100% color
bar or 16 step gray scale (Component video
signal)
Computer signal ................... 0.7Vp-p/75
W
terminated, 16 steps gray scale
pattern
●
Image control mode ......... “STANDARD” mode unless otherwise not-
ed.
Note:
* Please refer to “Service Adjustment Menu Operation” for entering the
service mode and adjusting the service data.
White 100%
Black 100%
Circuit Adjustments
CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following
adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance
and product safety. Before adjustment, please turn on the projector more than ten minutes.
16 steps gray scale pattern
WArNING : uSe uV rAdIAtIoN eYe ANd SKIN
ProtectIoN durING SerVIcING.
cAutIoN:
to prevent suffer of uV radiation, those adjustments
must be completed within 25 minutes.
W
Y
C
G
M
R
B
BLK
White 100%
Black 100%
Summary of Contents for LC-WB42N
Page 67: ... 67 IC Block Diagrams FA7701 DDC Control IC7841 FA7703 Fan Power Control IC7811 Component2 ...
Page 68: ... 68 IC Block Diagrams MP2106 DC DC Converter IC5721 IC8018 IC8019 FA5502 P F Control IC601 ...
Page 70: ... 70 IC Block Diagrams L3E07111 LCD Driver Gamma Correction IC401 LM4889 Audio Output IC5031 ...
Page 72: ... 72 IC Block Diagrams STR Z2156 Power OSC IC651 TE7783 Parallel I O Expander IC1802 ...
Page 73: ... 73 IC Block Diagrams MP2307 DC DC Conventer IC5860 IC5842 ...
Page 113: ...KY7 WB42N00 113 Mechanical Parts List ...
Page 114: ... KY7BC July 2009 Japan 2009 Eiki Internatinal Inc A key to better communications ...
Page 132: ...A16 PCB_KY7AC NO DATA ...