Sony DAV-HDX678WF / DAV-HDX975WF / HCD-HDX678WF / HCD-HDX975WF Service Manual ▷ View online
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
53
53
6-26. SCHEMATIC DIAGRAM - S-AIR INC Board -
• See page 49 for Waveforms. • See page 66 for IC Block Diagrams.
(7/12)
CN651
K
MAIN
BOARD
I/O
Q
CN409
BOARD
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
POWER
CN908
T
BOARD
31
3.3
1.5
1.2
1.7
1.7
1.6
1.6
1.7
1.6
(1.6)
(0)
1.2
3.3
0.1
3.3
1.6
0 (1.4)
1.7
1.7
3.3
0
0
0
0
0
0.1
0
3.3
3.3
3.3
3.3
3.3
3.3
1.6
3.3
0
0.1
(1.6)
0.1
1.6
0
1.6
3.3
3.3
3.3
0
0
3.3
0
3.3
0
1.6
1.6
1.2
3.3
3.3
3.3
3.3
2.5
2.5
2.5
4.9
1.7
1.2
3.7
4.9
4.1
3.3
1
4.1
3.3
1.7
1.7
1.6
1.6
3.3
14
13
12
11
10
98
7
6
5
4
3
2
1
PCM1808PWR
IC805
VREF
AGND
AVCC
VDD
DGND
SCKI
LRCK
BCK
DOUT
MD0
MD1
FMT
VINL
VINR
R842 100
100
R847
100
R859
100
R829
0.1
C818
220
R860
100
R830
0
R845
100
R839
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
SRC4182
IC803
LGRP
RCKI
NC
SDIN
BCKI
LRCKI
VIO
DGND
BYPAS
IFMT0
IFMT1
IFMT2
RST
MUTE
RDY
OWL1
OWL0
OFMT1
OFMT0
TDMI
DGND
VDD
SDOUT
LRCKO
BCKO
MODE0
MODE1
MODE2
100
R848
100
R840
100
R846
100
R841
100
R858
100
R836
220
R864
100
R835
0
R849
100
R843
0.1
C819
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
SRC4182
IC804
LGRP
RCKI
NC
SDIN
BCKI
LRCKI
VIO
DGND
BYPAS
IFMT0
IFMT1
IFMT2
RST
MUTE
RDY
OWL1
OWL0
OFMT1
OFMT0
TDMI
DGND
VDD
SDOUT
LRCKO
BCKO
MODE0
MODE1
MODE2
100
R834
220
R863
220
R865
0
R850
100
R844
220
R837
100
R838
100
R855
CL835
CL836
CL837
CL831
CL832
CL833
C817
100p
C814
100p
100
R831
CL834
CL830
0.1
C801
100
R809
100
R81
1
100
R808
100
R874
R878
10k
R873
10k
R872
10k
100
R876
R879 10k
R877 10k
CL850
CL852
CL853
CL854
CL855
CL856
CL857
CL858
CL859
CL860
CL861
CL862
CL863
CL864
CL865
CL867
CL868
CL869
CL847
CL848
CL849
CL828
CL829
CL838
CL839
CL800
CL801
CL802
CL803
CL804
CL805
CL808
CL811
CL812
CL813
CL814
CL815
CL816
CL820
CL821
CL822
10
R800
10
R801
100
R821
0
R856
100
R832
47
R828
47
R826
47
R827
8765
4
3
2
1
TC7WHU04FK(T5RSOYF
IC802
GND
VCC
15p
C802
100k
R815
18p
C807
3.3k
R813
12.288 MHz
X800
1k
R806
100k
R814
0.01
C800
100
R810
220
R812
100
R822
0
R851
0
R852
0
R805
50V
10
C805
0.1
C804
10uH
L800
0.1
C823
0.1
C824
10uH
L801
0.1
C822
CL845
CL842
50V
10
C826
0.1
C821
0.1
C820
50V
10
C825
100
R824
100
R861
100
R862
CL840
CL841
MC2837
D800
E
ET802
CL866
CL851
C833
47p
C836
47p
C834
47p
C835
47p
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN803
GND
VCC_3.3V
GND(for DET)
MCLK
A0
A1
INT
Debug_TXD
CONNECT
Link_IND
I2C_SCL
RESET
SDIN_B(Surr)
I2C_SDA
LRCK
SDIN_D
BCK
GND
SDIN_C
SDIN_A(2nd)
10uH
L802
10uH
L803
10V
220
C839
0
R880
0
R881
C840
1
C841
1
CL870
R889
0
1
C845
3.3k
R895
1
C844
5
4
3
2
1
S-T1
11B33MC-OGSTFG
IC806
xSD
VSS
NC
VOUT
VIN
10V
1000
C803
0.01
C808
22k
R818
1.5k
R817
CL826
1
2
3
4
5
SI-3010KM-TLS
IC800
VCONT
VIN
GND
VOUT
SENSE
R807
1k
0.01
C806
CL827
10k
R819
C843
470p
0.1
C830
CL871
CL872
C882
100p
100p
C886
100p
C885
FB801
10
C827
10
C829
10
C846
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN800
I2C_SCL
ADC_SEL
SRC_MUTE
SD1(DMIX/XM)
BCK2
LRCK1
SD2(SL/SR)
GND
S-AIR_DET
GPIO2
LRCK2
BCK1
IFMT0(DMIX/XM)
RESET
I2C_SDA
GND
A5V_SW
1
2
3
4
4P
CN804
LCH
AGND
RCH
A+5V
10
C828
1
2
2P
CN805
S-AIR-GND
E4V
10V
1000
C888
0
R904
L805
10uH
10V
470
C809
0
R896
0
R898
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC801
TC74VHC157FK(EL,K)
SEL
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
A/D CONVERTER
IC805
+3.3V REGULATOR
IC800
+3.3V REGULATOR
IC806
OSC BUFFER
IC802
DATA SELECTOR
IC801
S-AIR INC BOARD
(CHASSIS)
EZW-RT10
TRANSCEIVER
EZW-RT10
WIRELESS
WIRELESS
IC804
ASYNC SAMPLE RATE
CONVERTER
ASYNC SAMPLE RATE
CONVERTER
IC803
D
3
A
14
11
13
8
5
B
12
7
4
J
F
K
9
I
10
2
E
C
H
6
G
1
15
(Page
42)
(Page 65)
(Page 56)
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
54
54
6-27. PRINTED WIRING BOARD - I/O Board (Component Side) -
•
: Uses unleaded solder.
• See page 33 for Circuit Boards Location.
1
7
2
6
1
16
9
8
1
16
9
8
1
16
9
8
8
14
5
B E
B E
B
E
E
B E
15
14
28
1
B E
1
2
17
16
B E
CN402
R620
CN415
C420
C620
C621
C622
C454
C457
R495
C460
C471
C472
C476
IC404
C485
IC407
IC409
IC410
IC411
IC620
R500
R505
R509
R533
R536
R599
R598
R540
R539
R538
C504
R543
R550
R556
C526
C529
R566
R567
R575
R579
C542
R582
R584
Q408
Q409
Q410
Q411
Q412
Q413
L404
L407
1-875-182-
11
(11)
P
MAIN
BOARD
CN4302
1
3
6
4
R
SERIPARA
BOARD
CN653
I/O BOARD
(COMPONENT SIDE)
A
B
C
1
2
3
4
5
6
7
Ref. No. Location
• Semiconductor
Location
IC404
B-6
IC407
C-2
IC409
C-3
IC410
C-4
IC411
C-3
IC620
C-6
Q408
C-2
Q409
C-3
Q410
C-3
Q411
C-3
Q412
C-4
Q413
C-4
(Page 47)
(Page 34)
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
55
55
6-28. PRINTED WIRING BOARD - I/O Board (Conductor Side) -
•
: Uses unleaded solder.
• See page 33 for Circuit Boards Location.
R600
R601
R602
R603
R609
R610
R439
R444
R445
R446
R447
R448
R449
C415
R452
JL401
R461
R468
R479
R480
R481
R485
R486
R489
R490
R491
R494
R496
R497
D405
D406
D407
C468
D411
C482
C488
C489
C491
C496
R503
R504
R506
R507
R508
R513
R514
R515
R523
R527
R528
C505
R548
R549
C511
R551
R552
R553
R554
R555
C519
R557
R558
R559
C521
R561
C525
R563
R564
C535
C537
R574
R577
C548
R585
C552
C556
2
1
4
5
1
4
1
3
1
2
8
9
2
1
8
9
1
4
CN407
CN409
CN410
R621
CN412
CN414
C414
C424
C470
C475
IC413
C495
C499
R539
C503
C509
C512
C518
C522
C524
C527
C528
C530
C533
C536
C538
C540
C541
C549
C557
C558
C559
C569
D412
C456
C458
C462
C478
J405
J402
J404
F
MAIN BOARD
CN606
L
MAIN BOARD
CN702
S
JACK-KEY
BOARD
CN106
Q
S-AIR INC
BOARD
CN804
TUNER
(FM/AM)
FM 75
Ω
COAXIAL
ANTENNA
AM
COMPONENT
VIDEO OUT
Y
COMPONENT
VIDEO OUT
P
B
/C
B
COMPONENT
VIDEO OUT
P
R
/C
R
SAT/CABLE
AUDIO IN
R
SAT/CABLE
AUDIO IN
L
VIDEO
OUT
TV AUDIO
IN R
TV AUDIO
IN L
(CHASSIS)
(CHASSIS)
(CHASSIS)
1-875-182-
11
(11)
I/O BOARD
(CONDUCTOR SIDE)
A
B
C
1
2
3
4
5
6
7
Ref. No. Location
• Semiconductor
Location
D405
B-6
D406
B-4
D407
C-1
D411
C-7
IC413
C-1
(Page 34)
(Page 35)
(Page 58)
(Page 52)
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
56
56
6-29. SCHEMATIC DIAGRAM - I/O Board -
• See page 49 for Waveforms. • See page 66 for IC Block Diagrams.
(12/12)
BOARD
P
MAIN
CN4302
Q
INC
CN804
BOARD
S-AIR
R
BOARD
CN653
SERIPARA
F
CN606
BOARD
MAIN
(5/12)
BOARD
L
CN702
(7/12)
MAIN
BOARD
JACK-KEY
CN106
S
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
47
46
48
49
44
45
43
41
42
4.4
9
4.4
4.4
4.4
4.4
4.4
4.4
4.4
0
0
0
4.4
4.4
4.4
9
4.4
4.4
0
4.4
9 (0)
9 (0)
4.4
4.4
4.4
4.4
9
4.4
4.4
4.4
4.4
0
0
0 (9)
0 (9)
2.4
2.6
3.3
2.4
1.4
2.5
2.4
1.8
1.4
0
1
3.3
2.4
4.9
4.9
1.7
1.3
4.9
11.8
6.8
2.5
2.5
2.5
2.5
2.5
5
2.5
11.9
9
0
0
9 (0)
9 (0)
3.2
3.2
0 (3.2)
0 (3.2)
0 (9)
9 (0)
3.2 (0)
3.2 (0)
6.3V
1000
C462
75
R439
75
R452
L404
0
16V
100
C456
16V
100
C458
50V
10
C470
C488
1000p
150
R445
150
R448
150
R447
50V
10
C475
JL478
1
C457
1
C454
1
C460
150
R446
47k
R507
25V
22
C559
16V
100
C541
220
C505
47k
R491
10k
R505
47k
R552
RT1N241C-TP-1
Q413
4.7k
R551
4.7k
R559
25V
22
C499
220p
C491
4.7k
R561
4.7k
R564
C548
1
25V
22
C512
16V
100
C503
220
C51
1
220p
C525
RT1N241C-TP-1
Q412
0.1
C542
10uH
L407
47k
R496
220p
C535
47k
R508
16V
100
C557
47k
R599
25V
22
C509
1k
R579
25V
22
C495
47k
R567
10k
R495
4.7k
R486
10k
R582
1k
R509
50V
1
C540
1k
R500
1k
R584
4.7k R489
47k
R566
47k
R481
4.7k
R494
3.3k
R533
RT1N241C-TP-1
Q408
4.7k R485
4.7k
R503
0.1
C556
RB501V-40TE-17
D407
RT1N241C-TP-1
Q411
25V
22
C536
R574
0
100k
R603
47k
R553
220p
C496
0.1
C552
10k
R550
220p
C521
0.1
C529
16V
100
C528
RT1N241C-TP-1
Q409
0.1
C504
220p
C537
1k
R556
4.7k
R479
4.7k
R506
0
R609
3.3k
R538
16V
47
C549
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MC14052 BDR2
IC407
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
25V
22
C538
10k
R575
25V
22
C558
47k
R497
47k
R490
47k
R480
1
2
3
4
4P
CN412
F-AUDIO(L)
9V
F-AUDIO(R)
A-GND
C489
2200p
75
R468
6.3V
1000
C478
1000p
C468
JL459
JL447
JL444
JL453
JL491
JL486
JL484
JL481
JL530
JL532
JL533
JL460
JL456
JL452
JL451
JL449
JL466
JL467
JL468
JL469
JL470
JL488
JL487
JL490
JL497
JL499
JL493
JL492
JL495
JL498
JL510
JL502
JL512
JL500
JL508
JL528
JL526
JL524
JL543
JL544
JL545
JL547
JL550
JL548
JL549
JL551
0
R610
100k
R602
100k
R600
100k
R601
47k
R598
1
2
3
4
5
6
7
8
9
9P
CN414
L-CH
+ B 9V
R-CH
GND
TUNED
CE
DI
CL
DO
JL400
JL401
I
O
COM
TA7809LS
IC413
1
3
2
MC2837
D405
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MC14052 BDR2
IC411
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MC14052 BDR2
IC409
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
RT1N241C-TP-1
Q410
10k
R536
1k
R543
R577
0
R563
0
JL552
JL553
1
C622
1
C621
0.1
C620
1
2
3
4
5
6
TK11150CMCL-G
IC620
CONT
GND
NP
VOUT
GND
VIN
R620
1k
JL465
JL506
JL504
16V
100
C424
0.1
C420
0.1
C415
16V
100
C414
1
2
3
4
5
6
7
7P
CN415
A_SEL5
A_SEL4
A_SEL3
A_SEL2
A_SEL1
A_SEL0
V_SEL2
MC2837
D406
2200p
C482
JL482
75
R461
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
MM1758XFBE
IC404
Vcc1
CIN
MUTE1
CVBS IN
YC MIX
YIN
GND1
BIAS
I/P
CYIN
CLP
CbIN
MUTE2
CrIN
GND2
CR OUT
GND2
CB OUT
GND2
CY
OUT
Y O
U
T
GND2
CVBS OUT
S2
S1
C OUT
S-DC OUT
VCC2
150
R444
1
C485
JL450
1
2
3
4
5
5P
CN410
L-IN
A-GND
R-IN
A-GND
MUSIC L+R
1
2
3
4
5
6
7
8
9
9P
CN407
TV_SEL
V_SEL1
V_SEL0
A12V
ST_DI
ST_CE
ST_DO
ST_CLK
TUNED
0
R516
0
R515
0
R513
0
R514
100
R557
100
R558
C471
100p
C472
100p
MC2837
D411
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN402
WIDE
VGND
CR/R
VGND
CB/B
VGND
CY/G
VGND
C
VGND
Y
VGND
DMP_VIDEO
6V
DMP_RCH
AGND
DMP_LCH
1
2
3
4
4P
CN409
LCH
GND
RCH
A+5V
1W
R621
220
50V
C569
10
JL554
0
R585
R539
47k
R540
47k
R527
47k
R528
47k
25V
22
C530
25V
22
C524
470
R523
50V
1
C518
470
R548
8
7
6
5
4
3
2
1
NJM4558M-TE2
IC410
0.1
C526
16V
100
C527
75
R449
50V
1
C533
ASEL1
ASEL4
ASEL5
DI
CE
DO
ASEL1
ASEL2
ASEL3
ASEL4
ASEL5
VSEL1
VSEL2
VSEL0
VSEL1
ASEL2
ASEL3
VSEL0
VSEL2
ASEL0
ASEL0
TD
CK
TD
CE
DO
CK
DI
-
+
+
-
I/O BOARD
IC411
AUDIO SELECTOR
IC410
LINE AMP
IC413
+9V REGULATOR
IC620
+5V REGULATOR
AUDIO SELECTOR
IC407
AUDIO SELECTOR
IC409
INVERTER
INVERTER
INVERTER
INVERTER
INVERTER
INVERTER
GND
VCC
VIDEO, AMP, 75
Ω
IC404
DRIVER
R
L
L
R
P
B
/C
B
Y
P
R
/C
R
VIDEO OUT
SAT/CABLE
AUDIO IN
TV
AUDIO IN
COMPONENT
VIDEO OUT
2P
J405
3P
J402
3P
J404
TUNER
(FM/AM)
COAXIAL
FM 75
Ω
ANTENNA
AM
6
J
18
3
21
2
F
13
16
8
N
L
19
1
D
14
10
B
M
H
15
K
11
17
C
20
E
7
A
9
4
12
G
I
5
22
23
MAZ8051G0LS0
D411
(Page 47)
(Page 53)
(Page 48)
(Page 40)
(Page 42)
(Page 59)
Click on the first or last page to see other DAV-HDX678WF / DAV-HDX975WF / HCD-HDX678WF / HCD-HDX975WF service manuals if exist.