2.4 USING THE ADJUSTMENT MENUS
(1) Display adjustment menu ADJUST 1 or 2 as described in
1.7, "SERVICE MENU".
(2) Select an item by tilting the pan/tilt control lever of the RM-
P2580 up or down, and change the setting by tilting it to the
left or right.
(3) Press the MENU button of the RM-P2580 to enter the
changed value in the memory. The screen will show "DATA
SAVED".
2-2
2.5 TEST POINTS USED IN ADJUSTMENTS
TP3
TP3
TP7
TP1
DSP board (side B)
MOTOR board (side B)
Item
Mode
Adjustment steps
Measuring
instrument &
Input signals
No.
Measuring point
(
*
)
Adjustment points (
-
)
Adjustment level (
+
)
2.6 VIDEO SIGNAL, SENSOR AND BACK-FOCUS
Remove the dome cover before proceeding to
adjustment.
(1) Adjust the frequency as specified.
1
FSC
adjustment
Frequency
indicator
Remove the dome cover before proceeding to
adjustment.
(1) Adjust the voltage as specified.
2
FH
adjustment
Multimeter
Leave the dome cover attached during adjust-
ment.
(1) Maximize the ALC LEVEL so that the gray
scale waveform is dense.
(2) Move the cursor to Y GAIN and adjust the
white level at the center of the gray scale as
specified.
(3) Set the ALC LEVEL to the original value.
3
Y GAIN
adjustment
Oscilloscope
Gray scale chart
*
TP3 DSP board
-
PAN/TILT control lever
+
3.579545 MHz (U)
+
4.433618 MHz (E)
SERVICE MENU
ADJUST 1: FSC
*
TP7 DSP board
-
PAN/TILT control lever
+
3.5 V
SERVICE MENU
ADJUST 1: FH
SERVICE MENU
ADJUST 1:
ALC LEVEL
ADJUST 1: Y
GAIN
Leave the dome cover attached during adjust-
ment.
(1) Adjust the level as specified.
4
BURST
Adjustment
Oscilloscope
Gray scale chart
*
VIDEO OUT
-
PAN/TILT control lever
+
286 mVp-p (U)
+
300 mVp-p (E)
SERVICE MENU
ADJUST 1:
BURST
*
VIDEO OUT
-
PAN/TILT control lever
+
790 mVp-p (U)
+
780 mVp-p (E)