HP (Hewlett-Packard) HP 11793A TV Converter Box User Manual


 
Model 11793A
Frequency
(MHz)
2
000
1
0
000
17
200
18
000
18 000
Microwave Converter
level
(dBm)
Frequency
(MHz)
-1
5
2
000
-1
5
10
000
-1
5
17
200
-1
5
18
000
-15 18
000
Table
6.
Performance Test Instrument Settings
25
900
25
900
LO
Source
-1
5
25
900
-15
25
900
Frequency
(MHz)
I
Level
(dBm)
2 063
10
063
17
263
18
063
18
063
+8
+8
+8
0'
+8'*
25
963'"
0'
25
963"'
I
+8"
Signal Source
Measuring Instrument
I
Display
'Use
this
level
only if the
LO
amplifier is installed (Option
001,
011
or
021).
"Use this
level
only if the
LO
amplifier
is
not installed (Option
001.
011
or
021).
"'Omit this step if maximum system frequency is
18
GHz.
25.
Adjustments
The only adjustment necessary is setting the +12V power supply. Connect a dc voltmeter to the case of
VR3. (See Service Sheet
3.)
Adjust AIR5 on the AI Switch Control Assembly until the voltage
is
between
+11.9
and
+I21
Vdc.
26.
Replaceable Parts
Table
7
lists all replaceable parts
in
alphanumeric order by reference designator. Table
8
contains the
names and addresses that correspond to the manufacturer's code numbers.
27.
Replaceable Parts
List
Table 7,
Replaceable Parts.
is organized as follows:
a.
Electrical assemblies and their components in alphanumeric order by reference designation.
b.
Chassis-mounted parts and mechanical parts in alphanumeric order by reference designation.
The following information
is
provided for each part:
a. The Hewlett-Packard part number.
b.
Part number check digit
(CD).
c. The total quantity (Qty) is provided on the first entry of the part number.
d.
The
description of the part.
e.
A
typical manufacturer of the part in a five-digit code.
f.
The manufacturer's number for the part.
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