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MX-J30/MX-J330/MX-J35R
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1. Block Diagram
PILOT
19kK/LS
DET
3. Pin Function
FM IN
This is an input terminal of FM IF
signal.
AM MIX
This is an out put terminal for AM
17
mixer.
FM IF
A Bypass of FM IF
MIF
fh Input of AM IF Signal.
GN
| This is the device ground terminal.
TUNED
When the set is tunning,this terminal
21
becomes "L".
STEREO
Stereo indicator output. Stereo "L",
Mono: "H"
vec
This is the power supply terminal.
FM DET
FM detect transformer.
AM SD
This is a terminal of AM ceramic filter.
Adjust FM SD sensitivity.
AM VSM
Adjust AM SD sensitivity.
27
MUTE _ |I/O| When the signal of IF REQ of IC121(
LC72131) appear, the signal of FM/AM
IF output. //Muting control input.
M
Change over the FM/AM input.
"H" :-FM, "L": AM
1
L OUT
i Left channel signal output.
R OUT
ie Right channel signal output.
LIN
Input terminal of the Left channel post
AMP.
>
9
Input terminal of the Right channet
post AMP.
Mpx Right channel signal output
Mpx Left channel signal output.
FM detection output.
AM detection output.
nN w
FM OU
AM DET
+
>
M AG
i?)
This is an AGC voltage input terminal
for AM
G Mpx input terminal
AFC
This is an output terminal of voltage
for FM-AFC.
7 = <
n
=
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= e)
AM RF
AM PF signal input.
Register value between pin 26 and pin28
desides the frequency width of the
input signal.
AM OSC
This is a terminal of AM Local
oscillation circuit.
OSC BUFFER
14
MONO/ST
7
=
>
15
Stereo : "H", Mono: "L"
AM Local oscillation Signa! output.
2-3
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