Sony HCD-EA20 - Audio Section

3131
HCD-EA20
– AUDIO SECTION –
• SIGNAL PATH
: AUDIO
: AUX IN
: TUNER
• R-ch is omitted due
to same as L-ch.
J
AV SEL0 – AV SEL2
VIDEO
SECTION
ADC_DATA
BCK
LRCK
ADC_DATA, BCK, LRCK, XCK
84
PLL_DI
81
PLL_CLK
83
PLL_CE
80
TUNED
82
PLL_DO
IC501 (1/3)
SYSTEM CONTROLLER
Q123
J102 (2/2)
J171
Q122
IC101
AMP
FM/AM TUNER PACK
IC121
AUDIO INPUT
SELECTOR
IC352
A/D CONVERTER
Q103
AMP
4
Y3
2
Y2
3
10 9
Y
AB
15
DOUT
14
BCK
13
LRCK
5
Y1
1
VINL
5
VINR
R-CH
DO
CK
CE
TUNED
FM-DET
FM ANT
GND
AM ANT
GND
L-CH
R-CH
DI
TUDO
TUCLK
TCE
TUNED
TUDI
RDSC
RDSD
R-CH
R-CH
R-CH
TUDO
TUCLK
TCE
TUNED
TUDI
COAXIAL
FM
75Ω
AM
XCK
16
SYSCK
77
AV SEL1
78
AV SEL2
76
AV SEL0
60
RDS_CLK
61
RDS_DATA
RDSC
RDSD
AV SEL3
AV SEL1
79
AV SEL3
AV SEL1
AV SEL2
AV SEL0
AV SEL3
69
AU OUT-MUTE
39
VL-DATA1
40
VL-DATA2
41
VL-DATA3
42
VL-CLK
DATA1 DATA2 DATA3
CLK
31
ATT
VIDEO
AUDIO IN
AUDIO IN
L
R
L
R
4
13 14
2
Q291
DET AMP
16
X291
4.332MHz
IC291
RDS DECODER
MUX
XI XO
RDATA
RCLK
IC111
LOW-PASS
FILTER
Q112, 212
MUTING
Q507
MUTING
CONTROL
J101 (2/2)
VIDEO
AUDIO OUT
L
R
Q121
ATT
VIDEO
SECTION
E
34
TA-MUTE
Q972
MUTING
CONTROL
Q521, 522
MUTING
Q551, 552
MUTING
Q511, 512
MUTING
IC522
ELECTRONIC
VOLUME
1
VIN1
8
4 5
2
7
VIN2
DATA CLK
VO1
VO2
IC552
ELECTRONIC
VOLUME
1
VIN1
8
4 5
2
7
VIN2
DATA CLK
VO1
VO2
IC502
ELECTRONIC
VOLUME
1
VIN1
8
4 5
2
7
VIN2
DATA CLK
VO1
VO2
31
DATA4
DATA3
CLK
45
DATA1
46
DATA2
47
DATA3
41
LRCK
40
BCK
IC521
LPF
IC551
LPF
IC501
LPF
IC302
D/A CONVERTER
14
VOUT1
13
VOUT2
10
VOUT5
12
VOUT3
34
MDI
35
MC
36
ML
MDI
MC
ML
11
VOUT4
9
VOUT6
FL
FR
C
SL
SR
57
31
57
31
57
31
SW
FL
FR
C
SL
SR
SW
DATA1
DATA0
DATA3
DATA2
LRCK-ZIVA
BCK-ZIVA
XCK
38
SCKI
AMP
SECTION
K
VIDEO
SECTION
H
VIDEO
SECTION
F
16
VOUT7
20
VOUT8
DM-L
DM-R
FL
FR
C
SL
SR
SW
DATA2
CLK
DATA1
CLK
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
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