Tektronix TAS 475 - Figure 9-8: A4 Front Panel Board

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B
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R306 R307 R468 C421 I ~II~II~II ~I
OS208.. C404 [] U a: ~ a:
a()a C405 R3Q5
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R208 R469 I~II~II~II~I
- Ua:Ua:
U421
o
o
U305 C305 C304 U304 CR332
~R300 DO ~~
CR331
OS.;91 ~ CR333
R201 ~ CR337 CR334
R202~ ~~~
~ CR338 ~ CR335
OS202
CR336
o
R304
o
o
o
R450
o
o
R452
o
S341
o
o
~o
CR339
o
o
R337
R336
R330
R332
R333
R335
R334
TP C131 (
12
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a: a: a: J30 ® Igl ~181
a: C
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Front
TAS 475 and TAS 485 Service Manual
2
C121
R302
C122
R207
~
--lI-
OS207
R206
~
C202 ~
--lI-
~ OS206
~
o
o
o
o
0
0
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0'
o
o
o
o
R205
~
--lI-
OS205
R301
R204
~
--lI-
OS204
R203
d@C
--lI-
OS203
S303
~
00000
OS302
0
0
~ 0
o
o
o
o
o
o
o
o
o
-
•
-
o
o
o
S309
~
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o
S317
~
-
•
-
S304
~
o
S312
~
d
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o
,0
o 0
I
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Back
o
S321
~
o
S322
~
0000
Diagrams and Circuit Board Illustrations
S306
o
S314
~
S316
~
S301
umrn
o
o
o
S324
~
389-1422-00
671-2220-00
Q9A-1422-00
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S307
~
S315
~
o
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PT1
S323
~
COMPONENT NUMBER EXAMPLE
Component Number
, ..
A23 A2 R1234
As,ombly.TT----C C;"'U
Number Number
Subassembly
Number (if used}
Chassis-mounted compooenls have no Assembly Number
prefix-see end of Replaceable EJectncaJ Parts list.
IfI:\ STATIC
\3:1 SENSITIVE
DEVICES
Figure 9-8: A4 Front Panel Board
9-11
Scan by Zenith