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| "RC-550L/LB
.
Amplifier Circuit Board Ass'y
Transistors
Ref. No.
Parts No.
Description
Pc
fT
X101,102
2SC644(R,S)
Silicon (MATSUSHITA)
0.15W
160MHz
X 103,104
25C828(0,R)
Beast
i"
)
0.25W
220MHz
X109,110
2SD468(C)
" — (HITACHI)
0.9W
190MHz
X111
2SC828(R)
"
(MATSUSHITA)
0.25W
220MHz
ICs & Diodes
Parts No.
Parts Name
Description
BA313
Integrated Circuit
TOYO
DENGU
LB1415
i"
SANYO
AN7145K(M)
7
MATSUSHITA
HV80
Silicon Diode
HITACHI
1N34A
Germanium
Diode
"
HZ7C
Zener Diode
Ht
Resistors
Ref. No.
Parts No.
Parts Name
Description
#0
R108
QRD141K4R7
Carbon
4.7Q
Yaw
R116
"
-562
"
5.6kQ
"
:
R124
"
-221
"
2202
"
ee
R125
"
684
"
680kQ
"
&
<~——
R128
OVP8A0B-014
Variable
10kQ — B-curve
§
eA.
R133
QRD141K-471
Carbon
4702
%W
ao
oe
R136
n
274
0"
2702
"
f o
ae
R137
"
271
"
2702
"
R138
QRD121J-1RO
"
12
~W
R139
QRD141K-683
"
68kQ
YAW
R140
"
-100
"
102
"
R141
"
-682
"
6.8Q
"
aaa
R143
"
-563
"
56k
"
a
R144
"
-274
"
270kQ
"
os
R146
QRD121J-106
"
10MQ
YW
R148
QRD141K-103
"
10kQ
YW
R150
"
-102
"
1kQ
"
R151
"
-103
"
10kQ
"
R156
"
-334
"
330k
"
R157
"
-181
"
180Q
"
R159
"
-102
"
1kQ
"
R160
"
-101
"
100Q
"
R161
"
-103
"
10kQ
"
R162
"
-222
"
2.2kQ
"
'R163
"
-221
"
2202
"
R164
-564
R166
R167
M8
Positive line
=
=~ Common line (Negative
R168
QVP8A0B-054
Variable
(Neg
R170
QRD141K-4R7
Carbon
:
R171
-220
Poa
R172
221
R173
-100
;
;
R174
-271
Note: The circuit board assembly will not be available as spare part.
R180,189
-104
R187
-103
No. 1384
—20-
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