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Block Diagram -tuner Section - Sony CDX-CA850X Service Manual

Fm/mw/lw compact disc player; fm/am compact disc player.
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CDX-CA850/CA850X/CA860X
3-3. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TUX201
CN201
(ANTENNA)
AM ANT
MPX
1
2
FM ANT
AMDET
RDS DET
S METER
SDA IIC
SCL IIC
SDA EEPROM
SCL EEPROM
• Signal path
:CD
:FM
:AM/MW/LW
1
CDL
CD
ELECTRONIC VOLUME
SECTION
(Page 23)
4
AUXL
ADSO(L-CH)
IC304
43 MDL
3
1
33 AC INL
38 ACOUTL
10
12
MPX1
8
9
AM
16
QUAL
14
MP IN
19
SDA
20
SCL
17
SM
CA850
SYSTEM CONTROL
IC501 (2/3)
IC202
31
VOL ATT
RF AMP
NOISE
2
7
50
QUALITY
Q204
DET
Q205
16 NS MASK
RDS DECODER
IC201
MPT
2
52
MPTH
DAVN
8
75
DAIN
SCA
10
9
16
MPX
9
SDA
LVIN
20
14
53
VSM
12
70 I2CSIO
13
71 I2CCKO
10 E2PSIO
17
18
11 E2PCKO
CA850/CA850X
CA860X
IC301
OUT FL
28
3
1
2
13
BUFFER
BUFFER
IC308
IC302
OUT RL
27
5
7
7
12
CA850/CA850X
CA860X
SUB WOOFER AMP
IC310
OUTSW
24
1
4
SA CLK
21
23
SA OUT
CA850/CA850X
4
MUTE
ATT
CONTROL
CD
Q303, 304
SECTION
(Page 23)
SA CLK
SA OUT
DISPLAY
PWON
SECTION
(Page 25)
15
BEEP
AMP ATT
9
POWER
BATT
CONT.
Q104(1/2),105
AMP ON
30
TEL ATT
109
ILL IN
110
117
ACC IN
73
XIA
DET
X501
ACC
Q102
32.768kHz
DET
XDA
74
Q101
TEST
108
83
PW ON
XO
92
POWER
X502
CONT
3.68MHz
BATT
XI
93
Q801-803
TUN ON
113
POWER
CONT
COM8.5V
Q201,202
24
24
CN302
–1
L
–2
R-CH
R
–5
L
Q306
–6
R-CH
R
–3
L
Q308
–4
R-CH
R
CN301
L
R
POWER AMP
IC351
CN101
Q310
1
FL+
5
12
9
3
3
FL–
2
9
RL+
11
10
7
RL–
16 BEEP
22
MUTE
4
STBY
4
FR+
12
FR–
Q103
R-CH
3
RR+
ILL
11
RR–
13
TEL MUTE
14
ILL
7
ACC
15
TEST
5
AMP REM
POWER
6
COM 8.5V
BATT
CONT.
ANT REM
Q104(2/2),106
16
TU 8V
BATT
BATT
CA860X
+5V
REG
TU 5V
Q207
+10V
1
REG
3
10V
IC801
BUS AUDIO IN
AUDIO OUT
FRONT
AUDIO OUT
REAR
SUB OUT

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Cdx-ca850Cdx-ca860xCdx-860x

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