M52722 Mitsubishi, M52722 Datasheet - Page 6

• Manufacturer Part Number: M52722
• Description: 3-CHANNEL VIDEO PREAMPLIFIER PROVIDED WITH OSD MIX AND RETRACE LINE BLK FOR HIGH-RESOLUTION
• Manufacturer: Mitsubishi

V
1. Follow the electrical characteristics table except changing V4,V9
2. Read the output amplitude of T.P25 (T.P30 or T.P35) to let the
3. Sub-contrast control characteristics V
through respective calculation.
V
1. Follow the electrical characteristics table except changing V4, V9
2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time
3. Relative sub-contrast control characteristics V
V
characteristics (at typ.)
1. Follow the electrical characteristics table except changing V17 to
2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time,
3. Relative sub-contrast control characteristics V
V
1. The conditions shall be as specified in the electrical
2. Measure the output of T.P25 (T.P30 or T.P35) at this time with an
3. For relative control characteristics, further, measure difference
V
1. The conditions shall be as specified in the electrical
2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35)
V
V
V
V
V
SCR1
SCR2
SCR3
B1
B2
SCR1
and V14 to 4.0V.
reading be V
contrast control characteristics V
SCR2
and V14 to 1.0V.
to let the reading be V
V
SCR3
3.0V, and V4, V9 and V14 to 3.0V.
and let the reading be V
represents V
B1
characteristics table.
ammeter, and let it be V
respectively.
between channels from V
B2
characteristics table.
at this time to let the value be V
represents V
V
V
SCR2.
brightness control characteristics and
brightness control characteristics and
SCR2
SCR3
V
relative brightness characteristics (at max.)
relative brightness control characteristics (at typ.)
V
sub-contrast control characteristics and
SCR1
sub-contrast control characteristics and
contrast and sub-contrast control characteristics and
V
relative sub-contrast control characteristics (at typ.)
SCR1
relative sub-contrast control characteristics (at min.)
relative contrast and sub-contrast control
B1
=V
=V
=V
=V
=V
=20LOG
OR5
=V
OR6
OR7
OG7
OB7
OR4
OR4
/V
SCR3
B2
/V
OG5
.
OG6
/V
(V
.
V
V
V
OG4
, V
OG7
OR7
OG4
, V
OB7
V
OG5
, V
OG6
OR4
OR5
or V
OG4
/V
/V
(
OR7
V
OR7
OB5
(V
OB4
OB6
OG4
/V
OR
, V
OG5
0.7
OB4
, V
).
, V
,
(V
[V]
OG7
6 (V
V
OB5
OB6
, V
or V
OG7
OR7
OB4
SCR1
OB4
or V
/V
/V
)
OG6
OB5
(V
or V
OR5
OR6
/V
are found by
OB7
OG7
[
[
SCR1
V
V
). This value represents
OR4
or V
P-P
P-P
OB7
.
or V
]
]
) to let it be V
and relative sub-
SCR2
SCR3
OB6
3-CHANNEL VIDEO PREAMPLIFIER PROVIDED WITH OSD MIX
OB7
). This value
is found by:
is found by:
). This value
B1
AND RETRACE LINE BLK FOR HIGH-RESOLUTION
,
3. For relative brightness control characteristics
V
1. The conditions shall be as specified in the electrical
2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35)
3. For relative control characteristics
F
frequency characteristics (f=50MHz at max.) and
F
frequency characteristics (f=180MHz at max.)
1. The conditions shall be as specified in the electrical charactristics
2. Whilst SG1 and SG2 are used, input SGA first, apply voltage to
3. Now, when letting this test value be
4. For relative frequency bands F
B
V
C1
C1'
calculate difference between channels from V
characteristics table.
at this time to let the value be V
represents V
difference between channels from V
table.
the input pin (pin
resistor so as to provide 2.5V on the lower side of input signal. In
addition, apply voltage to the hold pin (pin
ensure that the output wave of T.P25 (T.P30 or T.P35) will not be
jammed so as to allow the lower side of the sine wave, an output
signal to be 2V. Adjust the main contrast voltage (17V) at this
time to allow the output amplitude to be 4.0V
the input signal to SG1 or SG2 to measure each output
amplitude.
frequency characteristics F
in F
3 brightness control characteristics and
B
output amplitude 4.0V
output amplitude V
output amplitude V
and F
3 relative brightness control characteristics (at min.):
and F
F
F
V
V
C1
C1
C1
B3
B2
=20LOG
’=20LOG
=V
=V
and F
=V
=V
=V
=V
C1
OR7’
OR7’’
C1'
OG7’’
OB7’’
OG7’
OB7’
frequency characteristics 1 and relative
frequency characteristics 1 and relative
C1
B3
.
for each channel.
V
V
V
V
V
V
OG7’
OG7’’
OR7’
OR7’’
OB7’
OB7’’
V
V
OR 8
OR9
3
OR8
OR9
when SG1 is input, and
, pin
P-P
(V
(
(
(V
V
V
MITSUBISHI ICs (Monitor)
OG8
OG9
OG9
when SGA is input,
OG8
C1
8
4.0
4.0
,
,
or F
[V]
or V
V
V
or pin
or V
[V]
C1
OB8
OB9
OR7"
C1'
OB9
and F
OB8
)
)
OR7"
(V
is calculated from:
M52722SP
),
)
13
OG7"
, V
) through about 2k
VB3, further, calculate
[V
[V
[V
[V
C1
23
OG7"
P-P
P-P
P-P
P-P
', calculate difference
or V
, pin
OR7
]
]
]
]
P-P
or V
OB7"
, V
. Then, change
28
OB7".
V
OG7
). This value
or pin
B2
, further,
or V
33
OB7
) to
of
.
6