Read Sony DAV-HDX275 / DAV-HDX277WC / DAV-HDX279W / DAV-HDX475 / DAVHDX576WF / DAV-HDX675 / HCD-HDX275 / HCD-HDX277WC / HCD-HDX279W / HCD-HDX475 / HCD-HDX576WF / HCD-HDX675 Service Manual online
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
30
30
6-3. BLOCK DIAGRAM - TUNER/S-AIR Section -
A_SEL4
A_SEL5
A_SEL0
A_SEL1
A_SEL2
A_SEL3
AUDIO SELECTOR
IC411
R-CH
R-CH
72 ST_DI
91
MONO/ST_DET
90
A.CAL_MIC
_LEVEL
28
DC_CONT
70 ST_DO
69 ST_CLK
71 ST_CE
68 TUNED
69 ST_CLK
71 ST_CE
68 TUNED
R-CH
TUNER (FM/AM)
AM
FM ANT
AM ANT
L-CH
R-CH
DIN
TUNED
DO
CLK
CE
FM 75
Ω
COAXIAL
ANTENNA
4 Y3
2
3
Y2
Y
1 Y0
10
A
9
B
J405
(HCD-HDX576WF)
(EXCEPT HCD-HDX576WF)
J402 (2/2)
TV
AUDIO IN
TV/VIDEO
AUDIO IN
L
R
R-CH
SAT/CABLE
AUDIO IN
L
R
R-CH
Q413
Q412
LINE AMP
IC410
XIN
15
XOUT
13
S-AIR_ADC_SEL
54
S-AIR_RST(SRC RST)
58
S-AIR_I2C_SDA
77
S-AIR_I2C_SCL
78
S-AIR_GPIO_2
67
X501
5MHz
SYSTEM CONTROLLER
IC501 (3/5)
• SIGNAL PATH
: TUNER
: AUDIO
• R-ch is omitted due to same as L-ch.
: AUDIO IN
AUDIO IN/
A.CAL MIC
J100
5 Y1
DATA SELECTOR
IC801
3 1B
2
4
1A
1Y
7
2Y
9
3Y
6 2B
1
SEL
5 2A
10 3B
11 3A
ASYNC SAMPLE
RATE CONVERTER
IC804
6 LRCKI
4
23
SDIN
SDOUT
25
BCKO
24
LRCKO
5 BCKI
13
RST
2
RCKI
ASYNC SAMPLE
RATE CONVERTER
IC803
6 LRCKI
4
23
SDIN
SDOUT
25
BCKO
24
LRCKO
5 BCKI
13
RST
2
RCKI
LINE AMP
IC104
LINE AMP
IC105
MUTING
Q115
MUTING
CONTROL
Q111
GAIN
CONTROL
Q112, 113
MIC_GAIN
26
G
DMPORT_L
J
A_SEL
AUDIO SELECTOR
IC409
5
3
Y1
Y
11 Y0
10
A
9
B
2 Y2
AUDIO SELECTOR
IC407
5
3
Y1
Y
11 Y0
10
A
9
B
2 Y2
A/D CONVERTER
IC805
9
VOUT
8
BCK
7
LRCK
13 VINL
Q409
Q408
D4
D2
BCK
LRCK
Q411
Q410
B
M
K
X800
12.288MHz
OSC BUFFER
IC802
17
BCK
15
LRCK
12
RESET
RESN
GPI02
I2D_SCL
I2D_SDA
GND
ADC_SEL
Lch
Rch
SD1
SD2
BCK1
BCK2
LRCK1
LRCK2
7
INIT
11
I2D_SCL
14
3
I2D_SDA
GND (for DET)
CN803
EZW-RT10
CN113
EZW-T100
13
SDIN_B(Surr)
20
7
11
19
18
15
26
24
23
14
4
12
16
2
SDIN_A(2nd)
(HCD-HDX277WC/HDX279W/HDX576WF)
AUDIO1
6
SCKI
25
R-CH
(HCD-HDX275/HDX475/HDX675)
EEPROM_SDA/I2C_DA
TA
EEPROM_SCL/I2C_CLK
47
48
EEPROM
IC510
5
6
SDA
SCL
(MIC_/A.CAL_SW)/
(HP_SW and MIC2_SW)/S-AIR_DET
66
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