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5. AUDIO BLOCK DIAGRAM
BLOCK DIAGRAM
AD2 BOARD
AD1 BOARD
NR
CIRCUIT
p
R
REC LEVER
INT MIC
WIND ON/OFF
SW
TB2 BOARD
IC291
LA7471M
p
STEREO
MATRIX
R
NR
CIRCUIT
R
_i:_
'R
1.5MHZ
MOD
1. 7MHZ
MOD
tR
-
p
1. 5MHZ
DEMOD
1. 7MHZ
DE MOD
1.
SMHZ
BPF
1. 7MHZ
BPF
AUDIO L OUT
S P/LP
AUDIO R OUT
LCD AUDIO
IC201
LA7492W
FADE
PB/REC
CAM/LINE
A.MUTE
LINE ON
- 4-6 -
ADJ
DEV ADJ
cu
DEV ADJ
CR)
REC A
PB RF
FROM
SISCON