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14
14
XR-4300RV/C5300RV
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER Section –
1
2
FM-ANT
AM-ANT
53
VSM
56
TUNATT
14
S-METER
10
MPX
8
AM-DET
9
RDS/SW
05
MUTING
Q151
MUTING
CONTROL SWITCH
Q82
MUTING
Q121
D80
FM/AM TUNER UNIT
TU1
SYSTEM CONTROLLER
IC501 (1/3)
17
E2P-SIO
J1
(FM/AM ANTENNA)
5
TU8.7V
TUNER +8.7V
16
TU5V
TUNER +5V
11
E2P+B
9
52
MPTH
64
DAVN
RDS DECODER
IC51
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X51
4.332MHz
4
8
5
OSCI
OSCO
SDA
SCL
DAVN
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
& DECODER
SIGNAL
QUALITY
DECODER
16
18
19
MPX
CIN
4
5
SC
OUT
MULTI
PATH
DETECTOR
20
2
LVIN
MPTH
50
QUALITY
32
NS MASK
BAND-PASS
FILTER
IC90
Q90
NOISE DET
DISCHARGE
SWITCH
DATA
CLOCK
DATA, CLOCK
(Page 15)
MPX
(Page 15)
A
AM
(Page 15)
B
LEVEL
(Page 15)
D
5V
E2P-SIO
• SIGNAL PATH
: FM
: MW/LW
18
E2P-CKO
10
E2P-CKO
SDA
SCL
4
FM AGC
51
FM AGC
BUFFER
Q91
DATA
12 13
AM-IF
19
CLOCK
10
C
AM-IF
(Page 15)
E
9
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2
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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
TEL 13942296513 QQ 376315150 892498299