REPLACEMENT PARTS LIST - MODEL 7-2880A
CAT. NO. SYM.
DESCRIPTION
CAPACITORS
EA30X78 C1
Tuning Capacitor
EA1BX268 C2,10,18
75pf, 50V
(C)
EA18X201 C3,5,6
15pf, 50V
(C)
EA18X186 C4,58,59
100pf, 50V
(C)
EA18X283 C7,8,9,14,17
820pf, 500V
(C)
RT6494
C11
1pf, 50V
(C)
EA18X246 C12
47pf, 50V
(C)
EA18X273 C13
5pf, 50V
(C)
EA30X26 C15
Trimmer
EA18X151 C16,56
22pf, 50V
(C)
EA18X301 C19,21,26,27,44
.0047MF, 50V
(C)
EA31X187 C20,31
2.2MF, 50V
(E)
EA20X79 C22,39
220pf, 500V
(C)
EA18X299 C23,28,30,33,35,43 .047MF, 50V
(C)
EA18X174 C24, 25
3pf, 50V
(C)
EA18X307 C29
.0022MF, 50V
(C)
EA18X203 C32
390pf, 50V
(C)
EA31X211 C34
4.7MF, 35V
(E)
RT5045
C36,37
220MF, 6.3V
(E)
EA18X113 C38
8pf, 50V
(C)
RT4635
C40,41
470MF, 6.3V
(E)
RT5047
C42
220MF, 16V
(E)
RT3860
C45,52
.1MF, 50V
(P)
EA22X4
C46
.047MF, 50V
(P)
EA31X204 C47
1MF, 50V
(E)
EA23X2
C48
.1MF, 50V
(E)
EA22X17 C49
.0033MF, 50V
(P)
EA22X16 C50
.033MF, 50V
(P)
EA22X6
C51,54,55
.01MF, 50V
(P)
EA31X200 C53
1000MF, 16V
(E)
EA18X224 C57
.001MF, 50V
(C)
(C) CERAMIC (P) POLY (E) ELECTROLYTIC
COILS and TRANSFORMERS
EA36X144 L1
FM Antenna Coil
RT4722
L2
FM RF Coil
RT5370
L3
Input Choke
RV2291
L4
FM Oscillator Coil
EA35X160 L5
AM Oscillator Coil
EA83X128 L6
AM Antenna
RT5373
L7
Choke Coil
EA61X281 T1
1st FM IF
EA61X282 T2
2nd FM IF
EA61X282 T3
3rd FM IF
EA61X283 T4
1st AM IF
EA61X284 T5
2nd AM IF
EA61X285 T6
3rd AM IF
EA61X162 T7
FM Det. Primary
RS6795
T8
FM Det. Secondary
EA61X178 T9
4th AM IF
EA61X286 T10
AM RF
CAT. NO.
SYM.
DESCRIPTION
POTENTIOMETERS
RT2410
R17
AFC Bias Trim Pot, 50K
EA49X501
R24
Treble Control, 100K
EA49X501
R25
Bass Control, 100K
EA49X502
R20
Volume Control, 50K
CAT. NO.
SYM.
DESCRIPTION
TRANSISTORS and INTEGRATED CIRCUITS
Note: When replacing transistors and integrated circuits with
the type specified below, corresponding changes must also be
made.
CAT. NO.
SYM.
COMPONENT CHANGES
EA15X7244
Q1
R2 (470K)
EA15X7244
Q2
R4 (330K)
EA15X7244
Q3
R7 (270K)
EA15X7244
Q4
R12 (270K)
EA15X7244
Q5
R13 (56K)
EA15X7590
Q6
R14 (15K), R21 (39K)
EA15X8447
Q7
None
EA33X8525
IC1
R1B Omit
MISCELLANEOUS
EA36X4B3
CF-1
Ceramic Filter, 10.7MHz
EA39X328
SW1
FM/AM Switch
EA39X328
SW2
AFC Switch
EA39X196
SW3
Power ON/OFF Switch
EA95X143
LS101
Speaker 6 1/2", 8 Ohm
EA41X42
JK-1
Earphone Jack
5-1082
MS-1
Earphone, 8 Ohm
EA2X50
MS-2
Whip Antenna w/Sleeve
EA66X48
MS-3
Power Cord
RT2988
MS-4
AMP Connector f/Power Cord
EA69X92
MS-5
Tuning Shaft
EA6X348
MS-6
Tuning Drum
RT8129
MS-7
Spring, f/Dial Stringing
RS4675
MS-8
Pulley
RS2618
MS-9
Dial Cord
RS4556
MS-10 Battery Contact, Positive
RT7977
MS-11
Battery Spring, Negative
EA2X196
MS-12 Battery Spring, Neg/Pos.
EA9X418
MS-13 Main Chassis Mtg. Bracket
EA1X751
MS-14 Cover f/Power Cord Strain Relief
EA3X47
MS-15 Mylar Washer f/Handle
RT5361
MS-16 Nut f/Handle End Caps
RV1532
MS-17 Clip f/Whip Antenna
EA1X752
MS-18 Screw f/Bracket
EA1X752
MS-19 Screw f/Tuning Drum
EA1X754
MS-20 Screw f/Handle Caps
GE Superadio (1) Manual
http://earmark.net/gesr/sr1_manual.htm
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