-24-
● Circuit Adjustments
CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow-
ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of perfor-
mance and product safety.
Electrical Adjustments
[Adjustment Condition]
● Input signal
Computer signal .................... 0.7Vp-p/75Ω terminated, 16 steps gray
scale, 1 line dot pattern (720p format)
Component Video signal........ 0.7Vp-p/75Ω terminated, 16 steps gray
scale pattern (480i, 480p and 1080i
format)
● Picture control mode ................ “NATURAL” mode unless otherwise
noted.
Note:
* Please refer to “Service Adjustment Menu Operation” for entering to the
service mode and adjusting the service data.
16 steps gray scale pattern
Equipment Digital voltmeter
1. Enter the service mode.
2. Change data values of each test points to adjust the
fan minimum output voltage.
Item no. Fan Location Test Point Adjustment value
102 - 0 FN901 TPFAN1 3.5 ±0.05Vdc
102 - 1 FN902 TPFAN2 3.5 ±0.05Vdc
102 - 2 FN903 TPFAN3 3.5 ±0.05Vdc
102 - 3 FN904/5 TPFAN4 3.5 ±0.05Vdc
Note:
The location of each fan is refer to the parts list.
z Fan minimum voltage adjustment
Equipment Digital voltmeter
Input mode Computer [RGB(Analog)]
Image mode Powerful
Input signal 16-step gray scale computer signal
(720p format)
1. Enter the service mode.
2. Change data values for each test points to adjust the
video signal reference voltage (V1).
Item no. Test Point Adjustment value
8 - 0 TPV1R 7.0 ±0.05Vdc
8 - 1 TPV1G 7.0 ±0.05Vdc
8 - 2 TPV1B 7.0 ±0.05Vdc
x Video signal center adjustment