Table of Contents
Advertisement
6-3. PA-239 Board Adjustment
6-4. VA-196 Board Adjustment
6-3-3. RPN Adjustment
Preparations
. Adjust the monitor manually for a clearer view.
. Setting for MSU-700A
CLOSE button → ON (lit)
DETAIL OFF button → OFF (lit)
MASTER GAIN → 12
. Menu setting
MENU :
SERVICE
PAGE :
RPN ADJUST
Adjustment Procedures
1. Set the cursor to the RPN0 R and press the Rotary
*1
Encoder.
2. The RPN appears on the monitor. Turn the rotary
encoder until RPN disappears.
3. Perform steps 1 and 2 in the same way for the remain-
ing 5 channels.
4. When the RPN disappears for all channels, adjust the
cursor to STORE DATA, and press the rotary encod-
*1
er.
*1 : For HDC-950/930
HDC-900/910 : Press the MENU SELECT switch toward the "ENTER"
side.
*2 : For HDC-950/930
HDC-900/910 : Turn the MENU SELECT control until RPN disappears.
6-10 (E)
*2
6-4. VA-196 Board Adjustment
6-4-1. VA Gain Adjustment
n
For the VA gain adjustment, using an 89.9%-reflective
grayscale chart is preferable.
Before beginning adjustment, be sure to set the illumina-
tion of the light source (or the lumirous intensity on the
chart surface) and to set the color temperature exactly.
For details, refer to Section 6-1-5 "Maintaining the Gray-
scale Chart"
Eauipment : Oscilloscope
Object :
Grayscale chart
Preparations
. Extend the VA-196 board with the extension board
(EX-738).
. Shoot the grayscale chart as shown below.
(Lens: Cannon HJ18, F10, 2000 lx, 3200 K).
(When using the 4:3 type)
(When using the 16:9 type)
Chart frame
Underscanned monitor frame
. Setting for MSU-700A
TEST1 → ON
Adjust the white R, G, B of the MSU-700A so that A
becomes the specified value.
Measuring point R : TP21/EX-738 board
G : TP13/EX-738 board
B : TP5/EX-738 board
Adjustment point : white R, G, B
A
200mV
A = 1000 ± 10 mV
Specification :
TEST1 → OFF
CLOSE button → OFF (dark)
ECS/SHUTTER ON button → OFF (dark)
5us
HDC-900/950 MM
Advertisement
Table of Contents
