■
BLOCK DIAGRAM (2/2)
36
37
AM IF COIL
CONTROL
DECODER
S.CURVE
LEVEL DET
FM DET
COIL
Q4
S.METER
SD
ANT
COIL
VCO
STOP
OSC
COIL
AGC
PLL
MIX
OSC
MUTE
PROGRAMABLE
DIVIDER
UNIVERSAL
COUNTER
PHASE DETECTOR
CHARGE PUMP
DATA SHIFT
REGISTER LATCH
UNLOCK
DETECTOR
T5
L.P.F.
L
R
L.P.F.
T4
XL2
(456KHz)
FM ANT
GND
TUNER
CONTROL
AM ANT
AM COIL PACK PK2
RF AMP
LOCAL OSC
BUFFER
PK1
VT
OSC
STRQ
AM
OSC
FM OSC
VT
STSG
MONO
D1
D2
METER
VR1
SEPARATION
VR2
Q5
/FM
/ST
TCE
SDT
SCK
DO
/TMUTE
METER
/ST
MIX
AM/FM IF DET.
IC1
LA1266
MPX
IC3
LA3401
FM IF
POST AMP
AM IF
AM DET
T2
AM RF
IF
/AM
AM IF
FM IF
IF
QUADRATURE
DET
T1
IF AMP
Q1,2
q
CERAMIC
FILTER
Fi 1
CERAMIC
FILTER
Fi 2
Fi 3
REFERENCE
DIVIDER
FM/AM
BAND CHANGE
FM/AM
MUTING
TUNER
CONTROL
PLL
IC2
LC72131
TUNER
t i
u
q
!0
!1
!8
@0
@1
@3
@4
!2
!5
!6
!8
!9
@0
q
i
!1
o
!0
e
r
t
y
!3
!6
i
ty
!2
!5
w
q
!7
ST.IND
!0
!3
!5
t
u
@1
r
Q3
!3
u
RX-V320
•
See page 60
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SCHEMATIC DIAGRAM [TUNER]
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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