9-15
DVW-250/250P
n
Before adjustment, perform the following items.
• Clean the heads.
• Set the switches S700-2, -3 (C-1) /EQ-54 to ON and
turn the power on and warm up the unit for about 10
minutes.
Preparation
• S700-1 to 4 (C-1) /EQ-54
→
OFF
• S151-1 (F-1) /SST-3
→
ON :Into the changeable mode
in DIAG menu
•
1
RV401 (A-4) /SST-3
→
Mechanical center (Click point)
• MODE switch/connector panel
→
PB/EE
• CONFI switch/connector panel
→
ON
• CAMERA/VIDEO/SDI input select switch/connector
panel
→
VIDEO
• Inputs the black burst or color bars signal to the VIDEO
IN connector on the connector panel.
It is necessary to stop the AUTO tracking and AUTO EQ
before RF adjustment as follows.
1.
On the SETUP menu, set PAGE and ITEM as follows.
PAGE : <TRACKING><AUTO TR>
ITEM : OFF
2.
Push the SET button on the front panel.
3.
Set PAGE and ITEM as follows.
PAGE : <TRACKING><AUTO EQ>
ITEM : OFF
4.
Push the SET button on the front panel.
When RF adjustment is completed, save the adjustment
data certainly. (Refer to Section 9-5-13.)
If the adjustment is finished without saving data, data is
returned to the former condition.
9-5. RF System Adjustment
SST-3 Board A side
1
A
B
C
D
E
G
H
J
2
3
4
5
6
7
8
9
10
F
S151
RV401
Notice in RF adjustment
Care of video cassette tape
• Do not use same portion of an alignment tape (ZR5-1/P)
about 50 times or more.
• Do not use same portion of a blank tape about 10 times
or more.
• Do not use within about two minutes of the end of a
blank tape.
• If scratch is observed to the tape, exchange the tape
immediately, and check the servo system adjustment and
tape running adjustment of the unit which causes the tape
scratch.
• If the contents of an alignment tape is erased by the
trouble of the unit, exchange the tape immediately, and
check and repair the unit (especially check the connec-
tion between CN913 (D-3) on the MB-601 board and
CN1 on the DR-239 board on the drum assembly.
In case of “ABORT” is displayed during the automatic
adjustment;
If the unit detects the servo unlock or tape near-end during
the automatic adjustment, The “ABORT” is displayed and
stop the unit.
In this case, remedy the ploblem and adjust again.
EQ-54 Board A side
1
2
3
4
A
B
C
D
E
F
G
S700
