-41-
Electrical Adjustments
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 for more than ten minutes.
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.
[Adjustment Condition]
●
Input signal
Computer signal ......................... 0.7Vp-p/75
Ω terminated (XGA)
Video signal .............................. 1.0Vp-p/75
Ω
terminated (Composite video signal)
Component video signal ............ 1.0Vp-p/75
Ω
terminated (Component video signal) (480i)
●
Image mode ..................... Standard
●
Lamp power ..................... Normal
Note:
* Please refer to "Service adjustment menu operation" for entering the service mode and adjusting the service data.
White 100%
White 0%
16 steps gray scale pattern
8 color 100% full color bar
W
Y
C
G
M
R
B
BK
White 100%
White 0%
Summary of Contents for PT-VX500U
Page 83: ...83 IC Block Diagrams CXA3828GL E S H IC561 TLV320AIC3105 Audio control IC5001...
Page 84: ...84 IC Block Diagrams PW190 Scaler IC301 TB6608FNG IRIS Driver IC601...
Page 85: ...85 IC Block Diagrams SSC9512S Power Switching IC604 PIC32MX695F512H Netwrok IC8801...
Page 86: ...86 IC Block Diagrams TPS54286 DC DC converter IC7811 STR A6079 Power switching IC603...
Page 116: ......