Service Manuals, User Guides, Schematic Diagrams or docs for : Tektronix 7a21n_imos
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T EKT R O N IX
721
DI R ECT ACC E SS UN IT
(SN B040000-up)
I N ST RU CTIO N M A NU A L
Tektronix, Inc.
.. Box 500
Beave r to n , Oregon 97077 Se r ial Nu mbe r
070-1962-00 Fi rst Pri n ti ng A PR 1975
WA RR A NTY
All T EK T R O N IX inst ruments are warranted against
defective mate r ials a nd wor k ma n s h i p for o n e year .
Any q uestio n s wit h respect to t h e wa rr a n ty s h o u ld
be ta k en up with yourT EK T R O N IX F ield E nginee r o r
re prese n tative .
All req uests fo r re p ai r s a nd re p laceme n t pa rts
s h o u l d b e d irecte d to t h e T EK T R O N IX F ield Office
o r represe n tative in yo ur area . T h is will ass u re you
t he fastest p ossible service . P lease i n clu d e t h e
i n strument Ty p e N um b er or Part N umbe r and Se r ial
Number wit h all requests for parts or service .
S p ecifications and price c h a n ge privileges reserve d .
Copyrig h t ~, 1975 b y Te k tronix, Inc ., B eaverto n ,
O rego n . Pr inted in th e Un ited States of America . All
rig h ts reserve d . Conte n ts of t h is p u b licatio n may not -
be rep roduce d i n any form wit h out pe r miss i on of
Tek tronix, Inc .
U.S .A . and fo reig n T EK T RO N IX products cove r ed
by U .S . a n d fo r eig n p ate n ts and/or patents pend ing .
T EK T R O N IX is registered t ra d emar k of Te k t r o n ix,
721 (040000- )
TA BLE O F CO NT EN TS
Page
Specifications 1
Circuit Description 1
Maintenance 2
Calibration 3
Performance Check 3
Test Equipment 4
Installation Information 6
Installation 6
Removal 7
General Operating Instructions 8
E lectrical Parts L ist 9
Diagram and Circuit B oard Illustrations
7844 Installation P rocedure
R7844 Installation P rocedure
R7903 Installation Procedure
7904 Installation Procedure
R7912 Installation Procedure
Mechanical Parts List
F ig. 1 E xploded
F ig. 2 Accessories and Repackaging
.:DE : ..C F.7E RMI N F
R v R ! L
tG r, : C _$ S,
7 21 F eatures
T he 721 Di rect Access p lug-i n is desig ned for use with Te ktron ix 7800 and 7900-Series oscilloscopes. Th is unit
provides AC coup ling of high-fre que ncy or fast-risetime signals d irectly to the crt vertical deflection p lates. Two front-
panel i nput connectors p ermit either si ngle en d ed or d iffe r ential operatio n (i nternally selected ) . Trace p ositioning is
acco m plished with front-pa nel cont rol .
7A21 N ( 040000- )
721 ( 113040000- )
SPE CI F ICATIO N
T he following electrical characteristics are valid for instruments calibrated at an ambient temperature between +20◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo