Eico 753 - EICO 753 SCHEMATIC DIAGRAM

EICO 7 5 3 SCHEMATIC DIAGRAM
++----+
L_ _
RB
IOOK
C9
05
ITF7TR; -- -- -·
NOTES
_rl.
-=- .0015
I PC SOARD --
I
I
I
-+----<>-- ,,NV--
0
R90
IM
5%
C89
J.005
1t
R91
IOK
C90
62
::
L7
"
R92
IOK
C91
90
11'
ii
II
II
LS
1l'
R93
22K
C92
22
© ?NS, S
:REFER TO
::
L9
ii
0 g.
lNB - REFER TO PIN
SJB
JI
MIC
JACK
RI
4.7K
ALL RESISTORS l/2W, IOYa
UNLESS OTHERWISE NOTED.
SI• FUNCTION SWITCH
52 • MODE SWITCH
53 • BAND SWITCH
-
Cl3
.005
R7
IK
R6
47K
1
c
.0
a
05
R20
5K
CAR BAL
Rl7
2.7K
RIB
2.7K
Rl9
IOOK
I
I
I
I
I
I
,-- ------'.J
R9'
470K
5%
R21
IM
C25
,---
-
$
r
.05
R34
2.2K
Rl22
680!l
C94
47
C24
100
R35
IOK
R37
l.5K
5%
V4A
1/2 7199
en I
R70
2.2K
C96
22
.01
S3C
CIOO
62
C22
90
C23
.001
C7 i
-01
CR3
IN295
C66
-005
R ll9
47K
RIIS
47K
R32
IM
I'
CR2
IN295
.,.
C72
.I
R16
2.2M
"
41
"
K
RY5
J.005
C9B
CRI
IN295
vox
DELAY
C21
.00
5
470K
X5
R2'
220K
R33
470K
CR5
IN295
CllO
.01
1>%
Riii
470fl
IW
I
ch
CB5
IOOK
.05
.005
""
r,>-r-----J r:-i-++i-+--
RI02
---' ·"2w-+-+-.!..-- :
.c;;; :': l
:===============l
T6 PHONES
S2A
C87
.QQ5
Rl07
IOK
52 MODE
C15
7
1
J2
KEY
RI03
2.21.4
RBO
IM
= JACK
V9
6A05
1,7
R82
470K
R41
220K
.
RB6
IM
CB4
.01
J3
SIA
SI FUNCTION
·
o ---
RELAY
R43
IM
R01
22K
2W
VII
6BE6
R58
47K
$4 ON R5
R62
47fi
,--c:c-!W'-.; -+__.
5
R44
68K
R46
3K
IOW
SIB
R45
15K
C48
R55 10
47fi
R56
21K