Tektronix 213 DMM Instruction Manual page 117

Oscilloscope with options
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3
nent.
.0 for
s set to
Jlay
Hin
ng
1ange
13.
VI
V)
2
4
5
MORE~
A
B
6 7
mg,
r·f·
.
R215
Li, : "-·' •~,-,,·. '
,j
f ',.
·:.
R235
q . .
, ' - -' - . . .
A~----- -
-
I
1 2 3
[II]
C
D
E
15 16 17 18 19
DD
•••
8 9
10
n
12 13
•• ••••
0
0
U260
• • •
4 5
••
Fig. 9-12A. A3 A/0 Converter circuit board (late SN version).
CKT
GRID
CKT
GRID
CKT
GRID
CKT
GRID
CKT
NO
LOC
NO
LOC
NO
LOC
NO
LOC
NO
C222
4B
0204
28
R205
3C
R253
4D
R282
C227
3C
0206
2C
R206
3C
R254
4D
R284
C237
4E
0212
28
R213
38
R255
4E
U220
C238
3C
0214
28
R215
2A
R256
4C
U250
C242
4G
0230
JC
R216
2B
R258
4E
U260
C245
58
0240
4C
R217
4B
R260
4F
U270
C255
3E
0245
4C
R220
3C
R261
3F
C258
4E
0247
4D
R222
48
R262
4F
VR217
C261
3D
0254
4D
R224
48
R263
4F
C263
3E
0256
4D
R231
4C
R264
4F
C268
2C
0258
4E
R232
4C
R265
4F
C270
3G
0260
4E
R234
48
R266
4F
C280
JC
0262
4E
R235
2A
R267
2C
C284
3F
0264
4F
R236
3B
R268
2C
0266
4F
R240
4C
R269
4F
CR206 2C
0275
4G
R243
4C
R270
3G
CR217A3B
0278
4G
R245
4C
R272
JG
CR217B 38
0280
3F
R246
4C
R274
4G
CR230 JC
R247
4C
R275
4G
CR261
JF
R203
JC
R249
4F
R280
4G
CR263 3F
R204
3C
R252
4E
CR268 2C
F
G
A
B
l
,
6 7
14
L-l
-
2
R215
0215
R235
DC
-
CAL
JUMPER
3
~
-
-
~
-
~,
/ ' ; '
.
.
tit'T,
U270
I
'
l!t~O}
··-~©
4
i~
N
\.
""
1
2 3
5
GRID
LOC
CKT
GRID
CKT
NO
LOC
NO
4G
C222
4C
CR268
JG
C227
3C
4C
C237
4E
0204
4D
C238
3C
0206
4E
C245
5C
0214
4G
C255
3E
0215
C258
4E
0230
3B
C261
3E
0240
C263
3G
0245
C268
2C
0247
C270
3G
0254
C280
3D
0256
C282
4H
0258
C284
3G
0260
CR206
2C
0262
CR217A 38
0264
CR2178 3C
0266
CR230
3C
0275
CR261
3F
0278
CR263
3F
0280
REV C DEC 1980
C
D
E
F
G
H
15 16 17 18 19
8 9
10 11 12 13
14
I
CR206
R267
R268
0214
0204 0206
C268
CR268
~
R216
l
M
R236
c:,
N
C227
a::
CZJB
~~
M
0
I
~
""
a:: a::
N
U')U:,
....
Q O
N
----
0280
a:
C:,C:,c:,
N M
u
C..,U
N N N
N
N
C270
a::a::a::
a:
a:
-
C263
u
0230
C26t
C255
'
CR261
CR263
R261
R270
C284
.....,
Ln
' c ,
. ,,
a,
R272
~
N
" ' C )
N
c;nc.ou:,,q
R280
M
~ M N
'-l')
C:O
U270
N
~~
U260
C.CNN N
.,. ........
N
N
U220
U250
Ln
LMLnLnLn
N0:a:::
a:
M N -
a::
a: a:
a::
N N N N N
a::
N N N
a:a:a:a:a:
a:: a::a::
R275
R260
R274
N
C222
R2.47
R262
00
8256
C258
N N
0247 0256 0254
0258 0260 0262 0264 0266
R264
0278 0275
a:: ~
CJ:> -
R243
(.)
.... M
C237
R266
N
N
a: a:
0240 0245
C245
4 5
Fig. 9-128. A3 A/0 Converter circuit board (early SN version).
GRID
CKT
GRID
CKT
GRID
CKT
GRID
LOC
NO
LOC
NO
LOC
NO
LOC
2C
R203
3C
R247
40
R274
4G
R204
3C
R249
4G
R275
4G
2C
R205
3C
R252
4E
R280
4H
2C
R206
3C
R253
4E
R282
4H
2B
R213
3C
R254
4E
R284
3H
2B
R215
2B
R255
4E
30
R216
2B
R256
4D
U220
4D
4D
R217
4C
R258
4E
U250
4D
40
R220
3C
R260
4G
U260
4F
4D
R222
4C
R261
3G
U270
4G
4E
R224
4C
R262
4G
4D
R231
4C
R263
4F
VR217
3B
4E
R232
4C
R264
4G
4E
R234
48
R265
4F
4F
R235
28
R266
4G
4F
R236
38
R267
2C
4F
R240
4C
R268
2C
4H
R243
4D
R269
4F
-
4G
R245
4C
R270
3G
3F
R246
4C
R272
3G

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