VRX775VD
VRX776VD
- 7 -
20-3.Adjustments FM S-meter
20-3-1.Set SG output to 65dBuV.(FM)
20-3-2.Click [Adj,HI] of "FM S-Meter".(Wait until the value
stops.)
20-3-3.Set SG output to 55dBuV.(FM)
20-3-4.Click [Adj,LO] of "FM S-Meter".(Wait until the value
stops.)
20-3-5.Click [Check].If the display is not /-0.5dBuV
of ANT-output level of SG, readjust with "MOD-
ON"(22.5kHz 400Hz).
20-4.Set up FM-IF-Offset data
* Exchange the antenna for "AM-ANT-dummy"
20-4-1.Click [Setting-prn] under "AM IF-COUNT".(The AM-
IF-Offset data of EEPRON is effective.)
20-4-2.Click [Check], and confirm the display is /-
500.0.
20-5.Adjustments AM S-meter
20-5-1.Set SG output to 70dBuV.(AM)
20-5-2.Click [Adj,HI] of "AM S-Meter".(Wait until the value
stops.)
20-5-3.Set SG output to 40dBuV.(AM)
20-5-4.Click [Adj,LO].(Wait until the value stops.)
20-5-5.Click [Check]. If the display is not /-0.5dBV
of ANT-output level of SG, readjust with "MOD-ON"(30%
400Hz).
Finally, push the reset button of the unit.
When computer continues to freeze, click [RESET] of
"MENU", and readjust the lost adjustment point.IF not re-
turning, press the RESET-button of CeNET-analyzer.and
restart adjustment from the first step.
21. OSD dot adjustment
An adjustment screen is performed on the "T-PNL"
screen, or the 9th screen (five-step display) of "COLOR-
BAR" in the test mode.
Please choose the screen which is easy to adjust from
either.
21-1.The hole has opened in the Lower case and it adjusts
by VR451 mounted in the MAIN-PWB solder side.
21-2.In the case of adjustment in a T-PNL screen
It adjusts so that the white line of a 1-dot display long
may be vividly displayed.
21-3.In the case of adjustment by 9th COLOR-BAR
It adjusts so that the white line of top, the bottom and
inside may be displayed as clear white.
Slide mechanism section
23 Horizontally position
Calibration jig is used in order to memorize a horizontal
level position.
Please refer to an attached figure 3.
It is made to memorize horizontally among a figure in
the position of points.
It is performing giving about 3 degrees of angles inten-
tionally.
If the MUTE button and the ISR button are pushed, a
beep sound will sound.
A calibration begins at the time.
Flow of operation
a. Slide OPEN
b. Tilt up: Memory of 110 degree position
c. Tilt down: Memory of horizontally position (Jig used)
d. Tilt up
e. Tilt down
f. Slide CLOSE
g. Calibration end
#
Figure 3.
