3. S2·1:
4. S2-2:
Notes:
1. S1-1:
2.
S1-2:
f
25
REG
I
h.I
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RVOK.8265G
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ICIO
RVIM51203L
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CONTROLLER
•
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IC4
RVI5TK2110D
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c
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SCHEMATIC DIAGRAM (MAIN)
MODE'
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RVITA78L006P
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IC3
RVILAtl40
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ICI
AN7254
FM
FRONT
END
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i
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IC6
RVITD6104P
PRE-SCALOR
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o
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01,2,3
RVDI5VI03
FM
TUNING
014,33,35,36
MAI51WK
SWITCHING
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<'3
015,16,31,34
MAtlUWA
SWITCHING
Ot
3SKI14
FM RF AMP
1Cb
r,L-.:il
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I
....
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33
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D42
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27
2SD601
SWITCHING
04,5
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SWITCHING
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t-<-;TT
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elm
TO
TAPE
EQ
8.
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CN505
038
IC7
019
020
021,22
.
023
TO
Pagel11J
IC9
32:37,39,42'!9
lell
TO
Page~
014,17
015,16,
MAI056
RVITC9137P
25060t
258709
25C1623
250601
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MAI50
AN6550
251709
25060
REGURATOR PLL a
00NT1l0U.ER
SWITCHING SWITCHING
LOW
PaSS
FILTER
LPF
SWITCHING
REGULATOR
SWITCHING
DUAL OPERATIONAL AMP SWITCHING SWITCHING
024
258709
SWITCHING
------_.
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fi
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u
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-:"11.11.
I
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I I I I I
. --
TO
MAIN
CIRCUIT
eNIOBA
,~
,~
'~
9
10
1
IC1
1C6
IC12
42
Gl
22~
S
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21
23
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IC7
01
~
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,~
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ill.
Input
Common
IC3
ICB
02
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..
-
..
-
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3
45
E
1C4
IC10
03-27,30
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9
•
IC5
IC11
028,29
Power switch
in
"OFF" position.
RadiofTape switch in "RADIO" position.
(1
...
RAOIO,
3...TAPE)
Intercom switch "OFF"·position.
SpeakerlHeadset switch
in
"Headset" position.
(1
...Headset, 3.::§peaker)
5.
3-1, 3-2: Band switch in
"FM"
position.
(1
...
FM,
3...
AM)
6.
84: Ambience switch
in
"OFF" position.
7.
S5: 8ensitivityswitch
.in
"LOCAL" position.
(1
...LOCAL, 2...
OX)
8.
56: MemorylMetal switch.
9.
S7: Preset ch1/program switch
10.
$8: Preset
002
switch.
11.
S9:
Preset
003
switch.
12.
$10: Preset
eM
switch.
13.
DC
Voltage measurements are takan with electronic voltmeter
. from negative voltage line.
eFM position.
14.
VR1
:8eparation adjustment
VR
VR2:
Pilot
VCO
adjustment
VR
VR3:
Volume control
VR
VR4:
Intercom control
VR
VR5:
Muting level control
VR
.--
FM
Signal - + - -
AM
Vcap Control Signal
+ - -
FM
Vcap Control Signal
+--
AM
OSC Signal
~~
,.'
~
FM
OSC Signal
<".~.
Tape &
AF
Signal
+Voltage Line
--
[!!J
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