Schematic Diagram - Main Board (7/12) - Sony HCD-HDX275 Service Manual

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675

6-14. SCHEMATIC DIAGRAM - MAIN Board (7/12) -

1
A
B
HDX277WC/
HDX279W/
HDX576WF
(Page 51)
K1
C
S-AIR
INC
BOARD
CN800
K2
S-AIR
CON
D
BOARD
CN112
(Page 49)
HDX275/
HDX475/
HDX675
E
F
(Page 47)
G
H
BOARD
I (Page 43)
J
L
I/O
BOARD
CN410
(Page 54)
MAIN
BOARD
(6/12)
(Page 41)
K
BOARD
(Page 40)
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
2 3 4
MAIN BOARD (7/12)
R690
100
CN651
17P
R651
TP651 I2C_CLK_S-AIR
100
I2C_SCL 1
R652
TP652 S-AIR_ADC_SEL
100
ADC_SEL
2
TP653
SRC_MUTE 3
R654
TP654
100
SD1(DMIX/XM) 4 R683
R655
TP655 100
100
BCK2(SL/SR) 5
R656
TP656
100
LRCK1(DMIX/XM) 6
R657
TP657
R793
100
0
SD2(SL/SR) 7
TP658
GND 8
TP659 S-AIR_DET
S-AIR_DET R788
9
R662
TP660 0
100 GPIO2
GPIO2 10
R663
TP661
100
LRCK2(SL/SR) 11
R664
TP662
100
BCK1(DMIX/XM) 12
TP663
IFMT0 13
R666
TP664
S-AIR_RST
100
RESET(S-AIR) 14
R667
TP665 I2C_SDA_S-AIR
100
I2C_SDA 15
R621
100
GND
16
TP667
A5V_SW 17
R660 R661
0
0
EB702
(CHASSIS)
TP707
ASD0
TP706
ASD1
22 TP705
ASD2
TP708
ASD3
MAIN TP704
BOARD BCKO
TP703
(12/12)
LRCKO
TP702
MCKO
R782 0
21 ACLK
R784 0
ABCK
R783 0
ALRCK
MAIN
R785 0
R709
ADIN
(8/12)
CN702
5P
MUSIC L+R 1
A-GND 2
TP711
R-IN 3
TP710 R790 0
A-GND 4
TP709
L-IN 5
TP700
R791 0
23
A-GND
A5V
C707
9 OPT-IN
0.1
COAX-IN
S-AIR
MAIN
M_ST
(5/12)
• See page 64 for Waveforms. • See page 65 for IC Block Diagrams.
5 6 7 8
ICT523
C723 C720
220
0.1
10V
L703
10uH
R796 0
IC B/D 48
C716
0.01
1 DISEL(I)
SPDIF(O)
2
ICT571 R719 100 1.6
3 DIN0(I)
ICT570 R718
100 0.1
4 DIN1(I)
ICT572
R717 100 1.7
5 DIN2(I)
DGND
6
3.3
R715
7 DVDD
5.6k
0
8 SDIN / R
0
AGND / VIN
9
ICT532
R714 0
ICT573
L702 10 LPF(O)
4.7k
10uH
3.3
11 AVDD
12 AGND
TP729
C719
0.1
13 14 15 16 17 18 19 20 21 22 23 24
ICT558
0
ICT561
ICT560
14 13 12 11 10 9 8 R724 100
R722 100
R723 100
IC707
PCM1808PWR
1 2 3 4 5 6 7
R778
C708
0
0.1
ICT557
L701 10uH ICT556 R721
0
ICT568
C706
10 50V
IC707
C705 IC B/D
10
D701
50V
MC2837 A/D CONVERTER
42 42
9 10 11 12
IC B/D
IC3003
AUDIO SELECTOR
R726
100 ICT524
C721 0.01
ICT588
R734
100
ICT587
R735
100
47 46 45 44 43 42 41 40 39 38 37
R741 0 ICT529
0
DI(I) 36
R740 0 ICT528
3.3
DO(O) 35
3.3 R743 100 ICT581
ERROR(O) 34
BPSYNC(O) 33
IC702 VREF 32
DGND
31
DIGITAL AUDIO 3.3
DVDD 30
INTERFACE RECEIVER
IC702 C727
VF(O) 29
0.1
LC89056W-E
F2(O) 28
C722
F1(O) 27
0.1
ICT526
F0(O) 26
3.3
CSFLAG(O) 25
R738
100
AUDIO-(O)
5
ICT527
R733
R732 1M
R736
330
100
C724
C725
10p
10p
R748 0
13 14 15
AMP_D2
AMP_D1
AMP_D3 6
ICT520
AMP_BCKO
MAIN
ICL522 BOARD
AMP_LRCKO (3/12)
(Page 38)
R3077 R3078
100 100
AMP_MCKO
R3079
100
4 3 2 1
15
D-GND
5 6 7 8
P_CONT3
MAIN
D3.3V BOARD
(6/12)
XSYSRST
(Page 41)
C3073
0.1
C3072 0.1
R749 0
R765 0
MDIR_CK
R766 0
MDIR_CE
R767 0
MDIR_DI
R768 0
MDIR_DO
37
MAIN
BOARD
R769 0
(8/12)
MDIR_CSFLAG
(Page
43)
R3097
100
R744 0
MDIR_XSTATE
R745 0
SPDATA
R747 0
SPBCK
R746 0
SPLRCK
R764 0
SPMCKO
38
R763 0
MDIR_ERROR
R750 100
MDIR_AUDIO
MAIN
BOARD
(8/12)
(Page 43)