Sony DAV-HDX678WF / DAV-HDX975WF / HCD-HDX678WF / HCD-HDX975WF Service Manual ▷ View online
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
37
37
6-10. SCHEMATIC DIAGRAM - MAIN Board (2/12) -
• See page 66 for IC Block Diagrams.
4
BOARD
MAIN
(4/12)
2
MAIN
(1/12)
BOARD
SPEAKER
BOARD
CN115
A
IC B/D
IC B/D
32.2
16.1
32.2
16.1
16.1
32.2
16.1
16.1
16.1
32.2
32.2
32.2
27.1
11.9
3.1
3.3
1.6
1
3.3
1.6
11.8
11.9
27.1
3.1
3.3
16.1
11.8
16.1
32.2
11.9
1
32.2
27.1
16.1
32.2
1.6
16.1
32.2
32.2
27.1
32.2
3.3
1.6
16.1
11.9
16.1
16
0
16
16
16
0
16
0
16
16
16
0
0.1
C3163
0.1
C3108
0.1
C3158
35V
100
C3159
35V
100
C3162
35V
100
C3109
35V
100
C3112
C3166
2200
35V
1
C31
14
1
C31
15
1
C3164
1
C3165
1000p
C3123
1000p
C3122
1000p
C3172
1000p
C3173
15k
R3157
100k
R3125
R3176
100k
R3175
100k
100k
R3126
0
R3104
0
R3154
C3113
0.1
C31
16
2200
35V
JL3059
JL3058
JL3057
JL3044
JL3043
JL3042
JL3041
JL3040
JL3039
JL3038
JL3037
JL3036
JL3035
JL3034
JL3033
TP3102
TP3103
TP3101
TP31
10
TP3150
TP3104
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
18
8
4
1
2
3
5
6
7
9
10 11 12 13 14 15 16 17
CXD9883M (FORMER) CXD9883AM (NEW)
IC3150
CXD9883M (FORMER) CXD9883AM (NEW)
IC3100
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
18
8
4
1
2
3
5
6
7
9
10 11 12 13 14 15 16 17
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
1
3
4
5
5P
CN3100
FR +
FR -
FL -
FL +
JL31
12
JL31
13
JL31
14
JL31
15
JL31
16
JL31
17
15k
R3107
JL3087
0.033
C3157
0.033
C3107
0.033
C3156
0.033
C3106
0.1
C3150
0.1
C3155
0.1
C3105
0.1
C3153
0.1
C3103
0.1
C3100
100k
R3127
100k
R3177
C3124
2.2
C3125
2.2
P6SMBJ33A-5
D31
12
P6SMBJ33A-5
D3151
P6SMBJ33A-5
D3152
0
R3103
0
R3153
0
R3165
0
R3115
0
R3166
0
R3116
P6SMBJ33A-5
D
3111
E
EB3002
0.1
C3117
0.1
C3167
0.1
C3154
0.1
C3104
ISA1235AC1TP-1EF
Q3152
ISA1235AC1TP-1EF
Q3101
ISA1235AC1TP-1EF
Q3151
ISA1235AC1TP-1EF
Q3102
3
2
1
4
10uH
L3101
3
2
1
4
10uH
L3102
17
18
19
20
21
22
23
25
28
24
26
27
29
MAIN BOARD (2/12)
IC3100
DIGITAL POWER AMP
IC3150
DIGITAL POWER AMP
OVER LOAD DETECT
Q3101, 3102, 3151, 3152
(CHASSIS)
9
4
7
A
E
5
C
F
6
2
G
8
1
3
D
B
(Page 36)
(Page 39)
(Page 57)
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
38
38
6-11. SCHEMATIC DIAGRAM - MAIN Board (3/12) -
• See page 66 for IC Block Diagrams.
IC B/D
MAIN
BOARD
(1/12)
3
BOARD
7
MAIN
(4/12)
BOARD
6
MAIN
(7/12)
BOARD
(6/12)
MAIN
5
1.6
3.3
3.3
3.3
3.3
1.7
1.8
3.3
3.3
3.3
0
0
3.3
3.3
1.6
3.3
3.3
1.7
1.6
0.8
3.3
1.8
1.7
3.3
1.6
1.6
3.3
1.6
∗
∗C3031
47 35V (FORMER)
56 16V (NEW)
C3031
0.1
C3040
0.1
C3039
0.1
C3038
0.1
C3037
0.1
C3036
0.1
C3035
0.1
C3034
0.1
C3033
0.1
C3032
R3502
100
R3501
100
R3402
100
R3401
100
100
R3302
100
R3301
47
R3076
47
R3075
100
R3073
100
R3072
100
R3071
100
R3070
100
R3069
100
R3068
100
R3067
100
R3066
R3057
100
R3037
47
R3035
47
R3034
470
R3032
470
R3031
1k
R3063
100
R3065
1k
R3064
10k
R3033
10k
R3059
10k
R3060
TP3004
TP3006
TP3003
TP3005
TP3236
TP3032
NS_INIT
SOFT_MUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
EN
DIAG
OVF1
OVF2
AMP_D1
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
0.01
C3071
TP3231
TP3230
TP3229
R3074
47
DC-DET
TP3007
0
R3914
0
R3913
0
R3917
0
R3911
0
R3912
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
CXD9788AR
IC3030
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR
VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DA
TA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
D-GND
SC_DT
SCSHIFT
SCSHIFT
SC_DT
SOFTMUTE
SOLA
TCH3
OVF
OVFFLAGR2
SOFTMUTE
SOLATCH3
INIT
OVFFLAGR2
INIT
SOLATCH1
PGMUTE
(DA
TA3)
STREAM PROCESSOR
IC3030
4
8
6
7
3
9
5
12
10
30
31
32
33
34
35
36
37
38
39
40
42
MAIN BOARD (3/12)
0
1
2
2
3
8
9
H
6
4
1
E
B
F
A
5
C
G
10
7
D
(Page 41)
(Page 42)
(Page
39)
(Page
36)
Note: Refer to the servicing notes “NOTE OF REPLACING THE
C3011 AND C3031 ON THE MAIN BOARD” (page 5) for how
to distinguish new or former.
to distinguish new or former.
Ver. 1.1
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
39
39
6-12. SCHEMATIC DIAGRAM - MAIN Board (4/12) -
• See page 49 for Waveforms. • See page 66 for IC Block Diagrams.
(2/12)
4
MAIN
BOARD
8
(6/12)
BOARD
MAIN
BOARD
D
CN904
POWER
BOARD
JACK-KEY
CN108
E
IC B/D
1
2
3
7
(3/12)
BOARD
MAIN
IC B/D
11
.9
6.6
∗
1.6
1.6
1.6
3.3
6.6
4.1
4
4.1
4
3.3
3.3
1.6
3.3
1.6
1.7
3.3
1.7
3.3
3.3
1.7
1.7
1.6
3.3
1.8
1.7
1.6
3.3
3.3
1.7
1.7
3.3
1.7
1.7
1.6
1.6
3.3
1.8
3.3
3.3
3.3
0
0
3.3
3.3
3.3
1.8
3.3
1.3
0
10V
100
C3090
47 35V (FORMER)
56 16V (NEW)
C3011
0.1
C3051
10V
220
C3056
16V
100
C3054
16V
220
C3091
5p
C3058
100p
C3083
100p
C3087
100p
C3088
100p
C3094
100p
C3085
100p
C3086
100p
C3084
0.1
C3053
1000p
C3059
0.01
C3055
0.01
C3057
0.1
C3018
0.1
C3012
0.1
C3020
0.1
C3019
0.1
C3017
0.1
C3016
0.1
C3015
0.1
C3014
0.1
C3013
100
R3054
100
R3102
R3152
100
R3151
100
100
R3101
47
R3055
470
R3053
100
R3017
47
R3015
47
R3014
470
R3012
470
R3011
10k
R3013
22k
R3091
22k
R3092
22k
R3093
22k
R3094
33k
R3085
33k
R3086
1M
R3052
1uH
L3054
49.1MHz
X3051
5
4
3
2
1
TK11118CSCL-G
IC3050
CONT
GND
NP
VOUT
VIN
RT1P141C-TP-1
Q3081
8
7
6
5
4
3
2
1
NJM4565M(TE2)
IC3001
C3060
10p
JL3004
JL3003
TP3084
TP3083
TP3082
TP3054
TP3030
TP3053
TP3015
TP3002
TP3081
TP3024
TP3036
TP3026
1
2
3
4
4P
CN3001
HP-R
GND
HP-L
H/P MUTE
D3.3V
A12V
1
C3052
0
R3041
0
R3042
0
R3044
0
R3040
0
R3043
TP3029
100p
C3092
100p
C3093
10k
R3087
10k
R3088
10k
R3090
10k
R3089
33k
R3099
33k
R3098
3.3k
R3095
4.7k
R3096
100k
R3051
C3003
1000p
10V
220
C3082
10V
220
C3081
C3008
0.1
1
2
3
4
4P
CN904
P-GND
P-GND
+31.5V
+31.5V
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
CXD9788AR
IC3010
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR
VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
D
ATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
R3056
0
10uH
L3053
10uH
L3051
L3052
10uH
8
7
6
5
4
3
2
1
TC7WHU04FK(T5RSOYF
IC3051
GND
VCC
0
R3050
Bup3.3V
R3049
0
R3047
10k
HPMUTE
SC_DT
PGMUTE
SCSHIFT
SOLA
TCH1
SOFTMUTE
INIT
OVF
-
-
+
+
(DA
TA1)
+1.8V REGULATOR
IC3050
OSC BUFFER
IC3051
STREAM PROCESSOR
IC3010
IC3001
HEADPHONE AMP
23
19
20
21
18
22
17
39
34
38
37
42
35
31
32
33
30
40
36
(4/12)
MAIN BOARD
GND
VCC
MUTING CONTROL
6
4
B
E
G
F
2
J
A
1
3
10
8
C
H
D
7
I
9
5
(Page 38)
(Page 59)
(Page 65)
(Page 41)
(Page 37)
Note: Refer to the servicing notes “NOTE OF REPLACING THE
C3011 AND C3031 ON THE MAIN BOARD” (page 5) for how
to distinguish new or former.
to distinguish new or former.
Ver. 1.1
HCD-HDX678WF/HDX975WF
HCD-HDX678WF/HDX975WF
40
40
6-13. SCHEMATIC DIAGRAM - MAIN Board (5/12) -
• See page 49 for Waveforms. • See page 66 for IC Block Diagrams. • See page 75 for IC Pin Function Description.
SERIPARA
G
BOARD
CN650
I/O
CN407
BOARD
F
(6/12)
BOARD
MAIN
12
BOARD
(6/12)
13
MAIN
4
IC B/D
11
MAIN
BOARD
(6/12)
BOARD
10
MAIN
(10/12)
BOARD
9
MAIN
(7/12)
3.3
3.5
4
0
3.3
0.4
0
3.3
2.2
3.3
3.3
3.3
3.3
3.1
3.3
3.1
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
3.3
0
0
0
0
0
0
0
3.3 (0)
3.3
3.1
3.4
3.3
3.3
3.3
3.3
1.9
1.6
3.3
3.3
0
3
0.2
3.3
3.3
3.3
3.3
3.3
3.3
2.6
2.3
0
0
3.3
3.3
0
3.3
3.3
3.3
0 (3.3)
0 (3.3)
3.3
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3 (0)
3.3 (0)
3.3
3.3
3.3
3.3
3.3
3.3
1.7
0.1 (3.2)
0.3
0 (3.3)
3
1.7
1.7
3.3
3.3
0.1
0.01
C505
R604
100
100
R605
100
R606
100
R607
R610
0
100
R611
100
R612
100
R613
47k
R506
R504
47k
R532
1k
R534
10k
R531
10k
R559
10k
10k
R524
10k
R527
R528
10k
C504
0.01
R522
10k
R505
22k
R507
ICT545
ICT543
ICT541
TP607
TP610
TP609
TP605
TP608
TP611
TP613
TP574
TP606
TP612
TP573
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC501
R5F3640MDFAR
DAMP_SCD/DIR_DIN
DAMP_SHIFT/DIR_CLK
CEC_RX_IN
SIRCS_IN
DSP_MOSI
DSP_MISO
DSP_SPICLK
BYTE
CNVss
EN_A
EN_B
RESET
XOUT
VSS
XIN
VCC
NMI
DIR_ZERO
DIR_CSFLAG
AC_CUT
FL_CLK/LED_CLK
CEC_TX_OUT
FL_STB
FL_D_OUT/LED_DA
TA
S-AIR_SRC_MUTE
MIC_GAIN
XM_AUDIO_SEL
DC_CONT
DMPOR
T_RX_IN
DMPORT
_TX_OUT
_TX_OUT
DVD_SID
DVD_SOD
DVD_SCO
DVD_XIFBUSY
NO_USE
NO_USE
DVD XIFCS
MTK_RST
P_CONT1
P_CONT2
P_CONT3
DRIVE_RST(EN)
DRIVE_OCP(DIAG)/POWER_DET
OVERFLOW1
OVERFLOW2
CE
EEPROM_SDA/I2C_DATA
EEPROM_SCL/I2C_CLK
DAMP_LATCH3
DAMP_INIT
DAMP_SOFT
_MUTE
_MUTE
M_ST
HP_MUTE
S-AIR_ADC_SEL
NO_USE
DAMP_LA
TCH2
DC_DET
S-AIR_RST(SRC RST)
DIR_HCE
DIR_ERROR
DIR_XST
A
TE
VCC
HDMI_PCONT
VSS
DAMP_LA
TCH1
(MIC/A.CAL_SW)/
(HP_SW and MIC2_SW)/
S-AIR_DET
S-AIR_GPIO_2
TUNED
ST_CLK
ST_DO
ST_CE
ST_DI
DSP_INTR
KEY
INT
LED_LA
T
XM_PCONT/XM_RESET
S-AIR_I2C_SDA
S-AIR_I2C_SCL
DSP_SF_CE
S-AIR_XMSEL/
S-AIR_IFMTO
S-AIR_IFMTO
DSP_SPIDS
V_SEL0
V_SEL1
IO_CE
IO_RESET
IO_DI
IO_DO
IO_CLK
DMPORT_DET
MONO/ST_DET
DSP_MASTER
DESTINATION
MODEL
KEY2
KEY1
VSS
KEY0
VREF
VCC
DIR_HD
OUT
R603
100
S-AIR
DSP_DIR
10k
R519
1k
R529
0.1
C515
0
R536
5MHz
X501
0.1
C517
10k
R539
47k
R556
ICT544
47k
R557
2SC3052EF-T1-LEF
Q503
ICT546
100k
R561
47k
R562
0.22
C520
10k
R563
0.01
C521
5
4
3
2
1
PST3635NR
IC503
OUT
VDD
GND
NC
Cd
0.1
C523
0.22
C522
R593 10k
R595 10k
0
R591
0.1
C518
ICT538
1k
R515
1k
R516
100
R509
10k
R512
0.1
C501
0.1
C502
0.1
C508
0.1
C503
0.1
C507
10k
R514
M+12V
100
R639
R640
100
R642
100
R645
100
1k
R552
10k
R553
ICT549
R555
10k
TP625
TP626
TP627
TP628
TP629
TP630
TP632
TP623
10k
R542
10k
R586
1M
R501
ICT591
ICT592
R644
100
0
R543
10k
R544
100
R502
R622
100
R623
100
R624
100
R625
100
R583
47k
1k
R511
1k
R513
TP564
TP563
ICT537
MC2836
D505
L302
10uH
R317
100
16V
C313
100
R328
75
R329
470
J302
16V
C315
100
L301
10uH
5
4
3
2
1
TC7SHU04FU(T5RSOJF)
IC302
R318
100
VCC
OUT
GND
TORX147L
IC301
3
1
2
DMP_TXD
DMP_RXD
R685
0
R686
0
R687
0
R688
0
R689
0
R698
0
R699
0
R550
0
C314
0.1
C312
0.1
C317
0.1
M-GND
47k
R628
22k
R627
10k
R626
4.7k
R577
4.7k
R576
4.7k
R578
100
R650
100
R551
R629
100
R643
100
TP624
TP633
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN625
M-GND
M+12V
D-GND
D3.3V
IORST
IOCE
IOCLK
IODO
IODI
SACD_SEL
C_SWR_SEL
DIR_S-AIR_RST
DSP_RST
COAX-IN
M_ST
OPT-IN
10k
R510
MA2J1110GLS0
D501
DMP_DET
R638
0
R582
10k
1
2
3
4
5
6
7
8
9
9P
CN606
10k
R558
TUNED
ST_DI
ST_CE
ST_DO
ST_CLK
EN
DIAG
OVF1
OVF2
LAT3
NS_INIT
HPMUTE
SHIFT
ST_CLK
ST_DO
ST_CE
CEC_RX_IN
CEC_TX_OUT
DSP_MASTER
IODI
IODO
IOCLK
IOCE
IORST
DIR_ERR
LA
T1
SACD_SEL
I2C_CLK
DIR_RST
DIR_CE
S-AIR_RST
HDMI_PCONT
P_CONT2
I2C_DATA
P_CONT3
DIR_XST
A
TE
JACK2
LA
T2
SOFT_MUTE
M_ST
S-AIR_ADC_SEL
LED_LAT
TUNED
DC-DET
GPIO2
ST_DI
DSP_INT
JACK1
I2C_CLK_S-AIR
DSP_SF_CE
S-AIR_DET
I2C_SDA_S-AIR
DIR_CLK
DIR_DIN
SCDT
RESET
CNVSS
M_ST
DIR_DO
KEY2
MONO/ST_DET
KEY1
KEY0
DSP_SPIDS
IOCE
IORST
IODI
IODO
IOCLK
IFSDI
IFSDO
IFSCK
XIFBSY
XIFCS
XSYSRST
P_CONT1
P_CONT_DSP
EN_A
DSP_RESET
DC_CONT
MIC_GAIN
FL_DA
TA
FL_CS
FL_CLK
DIR_ZERO
EN_B
DSP_SPICLK
DSP_MOSI
SIRCS
DSP_MISO
RESET SWITCH GENERATOR
IC503
SYSTEM CONTROLLER
IC501
WAVE SHAPER
IC302
(5/12)
MAIN BOARD
IC301
OPTICAL RECEIVER
51
52
54
55
56
57
58
59
60
61
64
CSFLAG
RESET SWITCH
4.7k (HDX975WF)
10k (HDX678WF)
TUNED
ST_CLK
ST_DO
ST_CE
ST_DI
A12V
V_SEL0
V_SEL1
TV_SEL
VCC
NC
GND
COAXIAL
OPTICAL
DIGITAL IN
TV
(HDX678WF)
2
E
J
1
5
8
F
D
H
B
6
9
12
10
G
17
16
11
7
3
15
C
I
14
A
4
13
K
R319
47k
(Page 42)
(Page 56)
(Page 41)
(Page 48)
(Page 45)
(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.