-40-
IC BLOCK DIAGRAM-1/3
IC, BA6898S
FIN
VCC
IN
IN
NC
OP IN
OP OUT
GND
IN
IN
GND
NC
NC
VCC
BIAS
IN
–
GND
REG-B
REG-D
MUTE
FIN
RESET
IN
IN
+
–
+
–
+
–
+
IC, BU2092F
N.C
N.C
(RW2)
SLEEP
TU ON
BIAS
REC MUTE
CD ON
(BEAT)
CD MUTE
PB/REC
N.C
IC, LA1837NL
FM-IN
AM-IF OUT
FM-IF REF
AM-IF IN
GND
TUNE
ST/
AM-IFO
VCC
FM DET
AM SD BW
FM VSM
AM-VSM/
SD ADJ
IF BO
FM/AM
MONO
AM RF
S CUR
VE
AG
C
AM
FM
DET IN
L-OUT
R-OUT
L-I
R-I
L-O
R-O
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