TABLE
OF
CONTENTS
(cont)
Japanese Version Page
THE FOLLOWING SERVICING INSTRUCTIONS ARE
FOR USE BY QUALIFIED PERSONNEL ONLY
.
TOAVOID
PERSONAL INJURY.
DO
NOT PERFORM ANY SER-
VICING OTHER THAN THAT CONTAINED IN
OPERATING INSTRUCTIONS UNLESS YOU ARE
QUALIFIED TO DO SO
.
Section
3
THEORY OF OPERATION
Introduction
..................
3-1
Input Amplifier
......
3-1
Automatic Gain Control
0
....
3-2
Notch Filter
a
.............
3-2
v
Frequency Band Discriminator
Notch Filter Control
$$
:
:
:
...
:
Distortion Amplifier
Filters and AC-DC Converters
@
dB
Converter
........
......
dB Offset Generator
6
dB Ratio Circuitry
@
........
6
V
Reference
@
...........
Dvm
@
...
............
Display Board
Logic Circuitry
Power Supplies
.........
...............
..
15
V
Supply
IM
option
@
.............
Page
Section
4
CALIBRATION
Performance Check Procedure
....
4-1
Introduction
................
4-1
Test Equipment Required
......
4-1
List of Check and Adjustment Steps
4-3
Performance Check Summary
....................
Sheet 4-4
Internal Adjustment Procedure
....
4-18
Introduction
................
4-18
Services Available
...........
4-18
Test Equipment Required
......
4-18
Adjustment Access
...........
4-18
Section
5
MAINTENANCE
General Maintenance Information
. .
Static-Sensitive Components
....
Cleaning
..................
Obtaining Replacement Parts
...
Soldering Techniques
.........
Semiconductors
.............
Interconnecting Pins
..........
Coaxial Cables
..............
Square Pin Assemblies
........
Multipin Connectors
..........
Circuit Board Removal
........
Front Panel Latch Removal
.....
Magnetic Shield
.............
Jumper Selection for CCIF. AUTO.
or
SMPTWDIN Measurements
...
30 kHz Filter Modification
......
Rear Interface Information
.......
Functions Available at Rear
Connector
.................
Section
6
OPTIONS
Section
7
REPLACEABLE ELECTRICAL PARTS
REV
JUL
1981
Scam
by
ARTEK
MEm
+
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