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Table
6-2. Model
177 Mother
Board,
Parts
List ICont.1
Circuit
Desig.
R166
R167
SlOl
5102
s103
TlOl
TlOl
UlOl
u102
u103
u104
u105
U106
u107
U108
u109
UllO
Ulll
VRlOl
VR102
VRl03
VR104
YlOl
Description
Resistor.
80.6kO.
1%. 1/8W
Resistor;
lOOk0,'1%,'1/8W
Switch,
Line Selector
Switch,
Line Battery
Switch,
12 Station
Pushbutton
Transformer,
Power (115, 23OV)
Transformer,
Power 1100, 2OOVl
IC, E-Pin Op-Amp
JFET, TL081
IC, BI-FET, Op-Amp,
LF351
IC, True RMS-TO-DC
Converter,
AD536
(TO-100)
IC, E-Pin Op-Amp
, 741
IC, 4% Digit Analog-Processor,
8052
IC, 4% Digit Logic-Processor,
7103
IC, Linear Op-Amp
E-Pin, LM308
IC, J-FET Input Op-Amp,
LF355 (selected)
IC, Linear Op-Amp
E-Pin, LM308
IC, CMOS
14.Stage
Binary Converter,
4060
CMOSIMOS
Hex Converter,
4089
Regulator,
+ 5V. 3-Term,
TO-220.
7805
Regulator,
+ 15V. 500mA.78M15
Regulator,
-15V. 500mA.
79M15
Regulator,
Diode, Selected
with R137
Clystal,
Quartz
fO.Ol%,
1OOkHz
T
Location
Sch
-
-
c7
D7
SEV
D6
D6
c4
D4
E4
Jl
H3
H4
Gl
c5
D5
A6
A7
E7
E8
E8
A6
'cb
A4
B4
E3
A5
A5
c5
c4
05
A2
A2
c2
c2
c3
c3
82
c2
85
85
85
83
-
T
Keithley
Part No.
R-88.80.6k
R-88.100k
SW-318
SW-397
294348
TR-168
TR-169
K-196
K-176
IC-172-l
IC-42
LSI-12
LSI-11
IC-203
IC-205
IC-203
IC-197
IC-139
IC-93
IC-194
IC-195
27699A
CR-8
6-7
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