Sony DAV-HDX678WF / DAV-HDX975WF / HCD-HDX678WF / HCD-HDX975WF Service Manual ▷ View online
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
41
41
6-14. SCHEMATIC DIAGRAM - MAIN Board (6/12) -
• See page 66 for IC Block Diagrams.
POWER
CN906
BOARD
J
BOARD
H
CN103
JACK-KEY
MAIN
(5/12)
12
BOARD
(8/12)
20
BOARD
MAIN
(9/12)
17
BOARD
MAIN
23
(7/12)
MAIN
BOARD
BOARD
MAIN
(8/12)
25
(12/12)
36
MAIN
BOARD
IC B/D
IC B/D
(1/12)
1
MAIN
BOARD
11
(5/12)
BOARD
MAIN
BOARD
18
(11/12)
MAIN
(7/12)
MAIN
BOARD
15
(4/12)
8
BOARD
MAIN
IC B/D
IC B/D
MAIN
BOARD
16
(9/12)
19
MAIN
(9/12)
BOARD
MAIN
BOARD
5
(3/12)
13
BOARD
(5/12)
MAIN
(10/12)
14
BOARD
MAIN
5
5
6.8
3.1
3.3
3.3
4
3.1
3.1
6.8
11.3
4.9
3.1
1.3
6.8
4.9
3.3
3.3
3.3
R569
0
R568
0
R567
0
R566
0
R565
0
R564
0
OVF2
OVF1
DIAG
10V
100
C526
0.1
C531
0.1
C533
TP541
TP529
TP531
TP533
TP538
TP534
TP537
TP535
FB510
FB506
100
R579
0.1
C532
1000p
C538
TP553
TP551
TP550
TP542
TP539
TP540
TP543
TP544
TP545
TP547
R636
0
IFSCK
IFSDO
CEC_RX_IN
M+12V
6.3V
1000
C528
DC-DET
SL501
SL502
SL503
SL504
10k
R631
2SC3052EF-T1-LEF
Q631
47k
R632
TP635
TP636
TP637
2SC3052EF-T1-LEF
Q632
R584 1k
P_CONT2
+6V
16V
100
C539
1
2
3
4
5
6
7
8
9
9P
CN504
D-GND
TXD1
RTS1
3.3V
CLK1
RXD1
CNVSS
RESET
D-GND
0.01
C581
0.01
C592
1.5k
R598
10k
R587
39k
R588
0.1
C582
22k
R597
10V
100
C583
1k
R589
10k
R596
0.01
C591
1
2
3
4
5
SI-3010KM-TLS
IC506
Vcont
Vi
n
GND
Vo
ut
Sense
10V
100
C593
100
R580
R590
1k
R599
1k
TP536
16V
100
C594
16V
100
C584
M-GND
1
3
4
5
6
7
8
9
10
11
12
13
14
14P
CN506
P_CONT1
EN
P_CONT3
E4V
6V
6V
D-GND
D-GND
M+9V
M-GND
M+14V
12V
A-GND
M+14V
TP552
LAT3
EN
NS_INIT
D3.3V
A12V
SOFT_MUTE
HPMUTE
SCDT
SHIFT
LAT1
D-GND
LAT2
XSYSRST
5V
XIFCS
IFSDI
XIFBSY
CEC_TX_OUT
M+9V
A-GND
A5V
E4V
1000p
C574
1
C571
0.1
C572
50V
22
C573
5
4
3
2
1
TK11150CSCL-G
IC507
CONT
GND
NP
VOUT
VIN
R546
1k
MC2836
D502
R540
10k
TP582
TP583
TP584
TP585
TP586
TP587
TP588
FB508
FB505
R508
0
C527
1000
6.3V
Bup3.3V
R592
0
HDMI_PCONT
1
2
3
4
5
SI-3010KM-TLS
IC505
Vcont
Vi
n
GND
Vo
ut
Sense
1k
R526
TP514
1
C509
0.1
C510
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN501
LED_LATCH
6V
GAIN-CONT
PLAG-DET2
MO/ST-DET
A.CAL
DC-CONT
ENCODER_A
PLAG-DET1
ENCODER_B
D-GND
KEY2
E+4V
KEY1
SIRCS
KEY0
D-GND(FL)
5V
FL_CS
FL_DATA
FL_CLK
R547
0
TP512
100
R530
TP519
TP508
TP515
1
C516
R537
1k
100
R533
R608
4.7k
TP503
TP501
100
R518
R609
4.7k
TP520
TP507
R548
0
TP518
TP502
TP505
TP521
TP510
TP504
0.1
C512
TP506
C511
0.1
100
R535
100
R517
TP517
TP509
8
7
6
5
4
3
2
1
S-24CS16A0I-J8T1G
IC510
A0
A1
A2
GND
SDA
SCL
WE
VCC
R648
0
1
2
3
4
5
6
TK11250CMCL-G
IC502
CONT
GND
Np
Vout
GND
Vin
TP513
E3.3V
A5V
D-GND
D3.3V
+6V
D3.3V
M-GND
A12V
M-GND
D-GND
P_CONT3
D3.3V
D3.3V
+6V
5V
5V
D-GND
D-GND
OVF2
OVF1
LAT3
LAT2
LAT1
SHIFT
SCDT
SOFT_MUTE
NS_INIT
IFSCK
IFSDO
IFSDI
IFSCK
IFSDO
CNVSS
RESET
XIFBSY
IFSDI
XSYSRST
XIFCS
HDMI_PCONT
CEC_RX_IN
CEC_TX_OUT
P_CONT1
DIAG
EN
KEY2
KEY2
JACK2
JACK2
MIC_GAIN
FL_CLK
LED_LAT
JACK1
JACK1
KEY1
KEY1
KEY0
KEY0
EN_A
EN_A
I2C_CLK
DC_CONT
FL_CS
MONO/ST_DET
MONO/ST_DET
EN_B
EN_B
SIRCS
FL_DATA
I2C_DA
TA
P_CONT3
XIFBSY
P_CONT3
DC-DET
HPMUTE
P_CONT2
IC507
+5V REGULATOR
+3.3V REGULATOR
IC506
+5V REGULATOR
IC505
52
60
55
59
58
57
51
54
56
64
61
IC510
+5V REGULATOR
EEPROM
IC502
MAIN BOARD (6/12)
(NC)
4
2
1
8
6
F
J
15
C
A
D
H
16
10
12
11
B
E
7
13
14
I
3
9
G
5
Q631, 632
DC DETECT
(Page 38)
(Page 40)
(Page 44)
(Page 44)
(Page 45)
(Page 40)
(Page 59)
(Page 47)
(Page 42)
(Page 43)
(Page 43)
(Page 44)
(Page 46)
(Page 40)
(Page 36)
(Page
65)
(Page 39)
(Page 42)
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
42
42
6-15. SCHEMATIC DIAGRAM - MAIN Board (7/12) -
• See page 49 for Waveforms. • See page 66 for IC Block Diagrams.
INC
K
CN800
BOARD
S-AIR
BOARD
L
CN410
I/O
CN701
BOARD
DSP
N
M
DSP
BOARD
CN700
BOARD
MAIN
15
(6/12)
IC B/D
6
MAIN
BOARD
(3/12)
IC B/D
IC B/D
IC B/D
23
(6/12)
MAIN
BOARD
9
BOARD
MAIN
(5/12)
(12/12)
22
BOARD
MAIN
(8/12)
21
BOARD
MAIN
5
0
1.5
3.3
0
0
0
3.3
1.2
0
0
1.7
0
1.5
1.6
1.7
1.6
1.7
1.7
1.7
1.7
1.7
1.6
0
1.5
1.6
3.3
3.3
0
1.6
1.6
0.1
1.7
3.3
0
0
0
3.3
0
3.3
3.3
1.8
3.3
3.3
0
3.3
3.3
1.6
0
0
2.5
2.5
3.3
1.2
1.6
2.5
4.9
3.3
1.7
1.6
R652
100
R655
100
R656
100
R657
100
R654
100
TP651
TP652
TP653
TP658
TP655
TP656
TP657
S-AIR
TP707
TP706
TP705
TP704
TP703
TP702
TP701
TP711
TP710
TP709
A5V
A-GND
OPT-IN
COAX-IN
E4V
100
R724
100
R723
R722
100
0
R721
100
R771
47
R725
47
R727
0
R728
47
R729
100
R730
1k
R731
0.1
C722
TP729
1M
R733
12.288 MHz
X701
100
R736
ICT527
ICT526
ICT528
ICT529
100
R738
100
R739
100
R740
100
R741
0.1
C727
100
R735
100
R734
100
R726
100
R719
100
R718
100
R717
0.1
C723
0.01
C721
ICT523
ICT524
10V
220
C720
0.01
C716
0.1
C719
0.1
C71
1
0
R713
220
R716
ICT533
ICT532
10V
220
C709
R754
100
R753
100
R756
100
R755
100
R752
100
R751
100
R759
100
R760
100
R761
100
R762
47
C751
0.01
C752
0.1
ICT520
R758
0
D-GND
D3.3V
R774
0
ASD0
ASD1
ASD2
BCKO
LRCKO
MCKO
SPDIF
R778
0
47
R780
47
R781
JL001
JL002
JL003
JL004
JL005
JL006
JL007
JL008
JL009
JL010
JL012
JL013
JL015
JL018
JL019
JL020
JL021
JL023
JL024
JL026
ICL522
CL682
ICT588
ICT587
ICT580
ICT581
ICT589
ICT582
ICT555
ICT556
ICT557
ICT558
ICT559
ICT560
ICT561
TP654
TP660
ICT568
ICT569
ICT570
ICT571
ICT572
ICT573
0
R790
R791
0
470p
C772
470p
C773
R792
0
C774
0.1
50V
C775 10
DSP_DIR
50V
10
C706
50V
10
C717
50V
10
C705
0.1
C707
0.1
C708
0.1
C718
1
2
3
4
5
5P
CN702
MUSIC L+R
A-GND
R-IN
A-GND
L-IN
C3073
0.1
8
7
6
5
4
3
2
1
TC7WH157FK(TE85R)
IC3003
A
B
Y
GND
Y
A/B
G
VCC
R3079
100
M_ST
0.1
C3072
R3097
100
R3077
100
R3078
100
C710
0.068
R757
100
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC707
PCM1808PWR
V
ref
AGND
AV
cc
DVdd
DGND
SCKI
LRCK
BCK
DOUT
MOD0
MOD1
FMT
Vi
nL
Vi
nR
15p
C724
15p
C725
3.3k
R732
MC2837
D701
E
EB702
R663
100
R664
100
R662
100
JL027
JL028
R743
100
JL029
JL016
TP661
TP662
TP663
TP664
JL701
JL702
JL703
JL011
TP665
R651
100
100
R683
R793
0
100
R787
R788
0
100
R690
R666
100
R667
100
TP659
R794
0
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
LC890561W
IC702
DISEL(I)
SPDIF(O)
DIN0(I)
DIN1(I)
DIN2(I)
DGND
DVDD
SDIN / R
AGND / VIN
LPF(O)
AVDD
AGND
CKOUT(O)
BCK(O)
LRCK(O)
D
ATA
(O
)
XST
A
TE(O)
DGND
DVDD
XMCK(O)
XOUT(O)
XIN(I)
EMPHA(O)
AUDIO-(O)
CSFLAG(O)
F0(O)
F1(O)
F2(O)
VF(O)
DVDD
DGND
VREF
BPSYNC(O)
ERROR(O)
DO(O)
DI(I)
CE(I)
CL(I)
XSEL(I)
MODE0(I)
MODE1(I)
DGND
DVDD
DOSEL0(I)
DOSEL1(I)
CKSEL0(I)
CKSEL1(I)
XMODE(I)
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
AMP_D1
R775
0
R776
0
R795
0
R798
0
TP700
10uH
L702
10uH
L703
R711
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
30P
CN703
SF_CE
SF_MASTER
DIR_XSTATE
P_CONT_DSP
DSP_SPICLK
DSP_MOSI
DSP_MISO
DSP_SPIDS
DIR_ERR
DSP_RESET
DSP_INT
DIR_NONAU
AMP_MCKO
D-GND
LRCK
BCK
D-GND
SI_D
SI_C
SI_B
SI_A
D-GND
AMP_LRCKO
AMP_BCKO
D-GND
D-MIX
AMP_D3
AMP_D2
AMP_D1
D-GND
1
2
3
3P
CN704
D3.3V
E4V
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN651
I2C_SCL
ADC_SEL
SRC_MUTE
SD1(DMIX/XM)
BCK2(SL/SR)
LRCK1(DMIX/XM)
SD2(SL/SR)
GND
S-AIR_DET
GPIO2
LRCK2(SL/SR)
BCK1(DMIX/XM)
IFMT0
RESET(S-AIR)
I2C_SDA
GND
A5V_SW
TP667
R661
0
R621
100
P_CONT3
R660
0
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74LCX157FT(EKJ)
IC704
A/B
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
G
VCC
10uH
L701
DIR_ZERO
CSFLAG
DIR_XSTATE
DSP_RESET
DSP_INT
DSP_MASTER
DSP_SPICLK
DIR_XSTATE
DSP_MOSI
P_CONT_DSP
DSP_MISO
DSP_SPIDS
DIR_CE
S-AIR_ADC_SEL
I2C_CLK_S-AIR
GPIO2
S-AIR_RST
I2C_SDA_S-AIR
S-AIR_DET
SACD_SEL
DIR_RST
DIR_CLK
DIR_ERR
DIR_DIN
DSP_SF_CE
DIR_DO
AUDIO SELECTOR
IC3003
MAIN BOARD (7/12)
(CHASSIS)
IC704
DATA SELECTOR
A/D CONVERTER
IC707
I
8
D
B
E
2
11
7
17
H
13
G
14
9
16
12
K
5
C
4
3
6
1
L
F
J
A
15
10
INTERFACE RECEIVER
DIGITAL AUDIO
IC702
(Page
53)
(Page 47)
(Page 43)
(Page
56)
(Page 41)
(Page 40)
(Page 38)
(Page 41)
(Page 51)
(Page
51)
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
44
44
6-17. SCHEMATIC DIAGRAM - MAIN Board (9/12) -
• See page 66 for IC Block Diagrams.
Note: IC1103 on the MAIN board cannot exchange with single. When IC1103 on the MAIN
board is damaged, exchange the entire mounted board.
(8/12)
MAIN
29
BOARD
MAIN
(8/12)
BOARD
32
28
BOARD
(8/12)
MAIN
IC B/D
IC B/D
IC B/D
BOARD
(8/12)
MAIN
30
(6/12)
BOARD
19
MAIN
BOARD
(6/12)
MAIN
16
BOARD
(6/12)
MAIN
17
6.8
4.9
3.3
1.3
3.3
2.7
2.7
1.7
2.8
3.3
0
3.1
2.8
0
3.3
1.6 (0)
0.8 (2.4)
1.6 (0.7)
1.8
1.4
2.1 (1)
2.1
2.5 (1.8)
1.3
0
0
3.3
3.3
3.3
3.3
0
1.4 (3)
1.5
(1.8)
2.1
2 (1.7)
2.1
2.1
2.1
1.9
2.1 (1.1)
2
2
0.7 (1.6)
3.3
(1.6)
1.9
1.5
1.3
0
0
2
0.7
2.3
3.2
4.9
3.3
3.3
4.9
3.2
0
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
1.3
5
3.3
(1.6)
(0)
(0)
1.7
0
0
0
3.3
1.5
1.8
1.9 (
∗)
3.3
(∗
)
(∗
)
(∗
)
3.3
(∗
)
1 (
∗)
(∗
)
(∗
)
(∗
)
(∗
)
3.3
3.3
1.1
0.7
1.2
2.2
1.9
1.1
0.5
1.1
1.4
0.9
1.3
1.1
(∗
)
(∗
)
(∗
)
(∗
)
2 (
∗)
1 (
∗)
(∗
)
3 (
∗)
(∗
)
0 (
∗)
(∗
)
(∗
)
(∗
)
(∗
)
(∗
)
(∗
)
(∗
)
1.1
0.8
3.3
0.6
0.3
3.3
3.3
3.2
2.9
1.4
1.4
0.6
0.9
1.5
1.9
3.3
47
RB1106
1
C1
102
0.1
C1
179
54
3
2
1
TK11133CSCL-G
IC1105
CONT
GND
NOISE
VOUT
VIN
2.7k
R2110
10k
R1105
1k
R1193
0.22
C1182
0.1
C1184
47
RB1105
10k
R1
106
1k
R1
191
0.1
C1
191
0.1
C1197
0.1
C1
180
JL1107
JL1108
JL1109
JL1110
JL1111
JL1112
0
R2133
D3.3V
5V
0.22
C1186
10k
R1151
FB1108
0.1
C1181
1k
R1
135
0.01
C2130
FB1111
C1
110 0.1
FB1106
47
RB1107
47
RB1108
D1
G2
S2
D2
G1
S1
UM6K1N-TN
Q1701
5
4
3
2
1
TK11150CSCL-G
IC1707
CONT
GND
NOISE
VOUT
VIN
5
4
3
2
1
TC7SZ08FU(TE85R)
IC1705
VSS
VDD
0
R1786
0
R1784
0
R1783
0
R1747
0
R1748
0
R1751
1.8k
R1750
0
R1752
CL1701
0.01
C1725
0.1
C1727
0
R1753
0.22
C1730
0.22
C1729
10V
47
C1728
CL1702
0
R2746
220
R9945
0
R9935
RT1N141C-TP-1
Q9729
2SC4154TP-1EF
Q9728
2SC4154TP-1EF
Q9726
27k
R9941
22k
R9928
1k
R9924
10k
R9934
22k
R9929
10k
R9922
R9920
0
1k
R9918
0.1
C9972
48
43
6
5
46
4
3
2
1
47
45
44
42
41
37
38
39
40
12
10
11
9
8
7
36
31
32
33
34
35
18
17
16
15
14
13
30
29
28
27
26
25
24
23
22
21
20
19
S29AL032D70TF-CHE1-0802UC
IC1
102
A15
A14
A13
A12
A1
1
A10
A9
A8
A19
N.C
WE
RESET
N.C.
N.C.
R
Y/BY
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
VSS
OE
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ3
DQ1
1
VCC
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15/A-1
VSS
BYTE
A16
E3.3V
CEC_TX_OUT
XSYSRST
1.8k
R1749
100
R1198
+6V
1
2
3
4
5
6
6P
CN1105
TXD
RXD
GND
+3.3V
V2REFO
RFMON
ISA1602AM1TP-1EF
Q9724
R1754 0
0.01
C2100
47k
R1742
CEC_RX_IN
MA2J1110GLS0
D9712
10V
100
C1190
47
48
49
8
50
51
52
53
54
1
2
3
4
5
6
7
41
42
43
44
45
46
14
13
12
11
10
9
34
40
35
36
37
38
39
16
15
17
18
19
20
21
28
27
29
30
31
32
33
26
25
24
23
22
V54C365164VEI7
IC1
104
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VDD
LDQM
/WE
/CAS
/RAS
/CS
BA0
BA1
A10
A0
A1
A2
A3
VDD
VSS
A4
A5
A6
A7
A8
A9
A1
1
NC
CKE
CLK
UDQM
NC
VSS
DQ8
VDDQ
DQ9
DQ10
VSSQ
DQ1
1
DQ12
VDDQ
DQ13
DQ14
VSSQ
DQ15
VSS
R2203
0
1
23
4
L1701
90uH
1
23
4
L1704
90uH
1
23
4
L1702
90uH
1
23
4
L1703
90uH
8
7
6
5
4
3
2
1
S-24CS64A01-J8T1G
IC1
103
A0
A1
A2
GND
SDA
SCL
WE
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CN1701
19P
TMDS DATA2+
TMDS DATA2 SHIELD
TMDS DATA2-
TMDS DATA1+
TMDS DATA1 SHIELD
TMDS DATA1-
TMDS DATA0+
TMDS DATA0 SHIELD
TMDS DATA0-
TMDS CLOCK+
TMDS CLOCK SHIELD
TMDS CLOCK-
CEC
Reserved
SCL
SDA
DOC/CEC GND
+5 POWER
HPD
5
4
3
2
1
TK11133CSCL-G
IC1708
CONT
GND
NOISE
VOUT
VIN
C1732
0.01
C1731
0.22
5V
C1733
0.22
C1734
1
R2201
0
0.01
C1726
5
4
3
2
1
TC7SZ08FU(TE85R)
IC1706
VSS
VDD
HDMI_PCONT
0
R1743
A17
A0
A1
A16
A15
A14
A13
A12
A1
1
A10
A9
A20
A19
A18
A8
A7
A6
A5
A4
A3
A2
HD7
HD6
HD5
HD4
HD3
HD2
HD1
HD0
XRD
XROMCS
XWR
RD8
RD7
RD6
RD5
RD4
RD3
RD2
RD1
RD0
A21
RD12
RD13
RD14
RD15
RD9
RD10
RD1
1
DQM1
RA3
RA2
RA1
RA0
RA10
BA1
BA0
RCS
DQMO
RW
E
CAS
RAS
CLKE
RA1
1
RA9
RA8
RA7
RA6
RA5
RA4
72
71
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
96
97
92
95
98
93
99
94
101
100
102
IC1705
LEVEL SHIFT
IC1708
+3.3V REGULATOR
IC1707
+5V REGULATOR
IC1706
LEVEL SHIFT
IC1104
SD-RAM
IC1103
EEPROM
IC1102
FLASH ROM
IC1105
+3.3V REGULATOR
(9/12)
MAIN BOARD
HDMI OUT
CEC DATA SWITCH
Q9724, 9726, 9728, 9729
(FOR JIG)
Q1701
LEVEL SHIFT
18
9
11
7
J
15
G
2
10
E
1
8
3
14
5
K
6
D
B
C
16
13
A
12
17
4
I
F
H
(Page 43)
(Page 43)
(Page 43)
(Page 43)
(Page 41)
(Page
41)
(Page
41)
Click on the first or last page to see other DAV-HDX678WF / DAV-HDX975WF / HCD-HDX678WF / HCD-HDX975WF service manuals if exist.