Block Diagram - Tuner Section - Sony MDX-CA680 Service Manual
Fm/am (mw/lw) minidisc player
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Also See for MDX-CA680:
- Operating instructions manual (132 pages) ,
- Installation/connections (2 pages)
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MDX-CA680/CA680X
4-2.
BLOCK DIAGRAM – TUNER Section –
FM/AM TUNER UNIT
TU10
J10
(FM/AM ANTENNA IN)
2 ANT-FM
ANT-AM
1
11
5
16
17
18
14
9
RDS DECODER
IC51
SC
57 kHz
OUT
CIN
16
BAND-PASS
18
19
MPX
FILTER
MULTI
LVIN
20
PATH
2
DETECTOR
86
87
2
8
BU B+
TUNER +8.7V
TUNER +5.6V
MPX
10
AM-DET
8
12 13
5
SIGNAL
QUALITY
DECODER
4
SDA
RDS/RDBS
IIC BUS
9
CLOCKED
INTERFACE
DEMODULATOR
SLAVE
SCL
COMPARATOR
REGISTER
10
& DECODER
TRANSCEIVER
OSCILLATOR
& CLOCK
5
4
8
X51
4.332MHz
27
SYSTEM CONTROLLER
IC501 (1/3)
24
24
(AEP, UK)
BUFFER
Q21
BAND-PASS
FILTER
IC20
Q22
NOISE DET
DISCHARGE
SWITCH
7
90
MPX
(Page 25)
E
AM
F
(Page 25)
DATA, CLOCK
I
(Page 25)
S-METER
H
(Page 25)
• SIGNAL PATH
: FM
: MW/LW
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