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5. AUDIO BLOCK DIAGRAM
AD2 BOARD
INT MIC
WIND ON/O FF
SW
TB2 BOARD
AUDIO L OUT
AUDIO R OUT
LCD AUDIO
LINE ON
AD1 BOARD
IC291
LA7471M
NR
CIRCUIT
p
R
R
'R
_i:_
1.5MHZ
MOD
STEREO
MATRIX
1. 7MHZ
MOD
t R
-
p
p
R
NR
CIRCUIT
IC201
LA7492W
- 4-6 -
REC LEVER
ADJ
cu
DEV ADJ
DEV ADJ
CR)
REC A
1.
1. 5MHZ
SMHZ
BPF
DEMOD
PB RF
1. 7MHZ
DE MOD
1. 7MHZ
BPF
S P/LP
FADE
FROM
PB/REC
SISCON
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