Sony STR-DG910 Service Manual ▷ View online
STR-DG910
17
17
STR-DG910
5-1. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
(Page 18)
(Page 23)
C-CH
SR-CH
R-CH
SL-CH
L-CH
R-IN
L-IN
SW
SEL
C
SEL
SL
SEL
R-CH
R-CH
R-CH
ANALOG SOUND
PROCESSOR
IC401
VCC
VEE
+7V
SEL
SW
AUDIO SELECT
IC2560 (1/2)
MCU
I/F
–7V
SW OUT
C OUT
SL OUT
L OUT
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
• Abbreviation
CND : Canadian model
117
27
26
26
AUDIO
L
R
VIDEO 3 IN/
PORTABLE AV IN
AUX
AM
US,CND MODEL
AEP,UK MODEL
BUFFER
IC211
TN1
FM/AM TUNER UNIT
SYSTEM
CONTROL
IC1010 (1/7)
SA-CD/CD/CD-R
L
R
L
R
J298 (2/2)
J301 (1/2)
R-CH
TUNLAT
R–CH
22 T_DI
13 T_CLK
VOL DA
VOL CL
RDS SIGNAL
TUNDO
L-CH
R-CH
TUNED
CE
DO/ST
DI
CL
DET
RXD
TXD
L
7
5
6
6
13
14
2
4
R
VBUS
+5V
+5V
+6.3V
+4.1V
+3.3V
R-CH
R-CH
R-CH
R-CH
DA
CLK
R-CH
R-CH
R-CH
R-CH
TU+9V
100 CLINK_RX
101 CLINK_DET
99 CLINK_TX
11
A_SW_CLK 24
ANALOG SW DATA 31
10
FM 75Ω
COAXIAL
ANTENNA
DMPORT
J1302
-5
-6
-1
-2
-2
-3
84 RDS CLK/XMDPOWER
86 RDS_DATA
RDS_CL
RDS_DATA
AUDIO IN
L
R
VIDEO 1
J304 (1/2)
R-CH
-3
-4
AUDIO IN
L
R
VIDEO 2/BD
J303 (1/2)
R-CH
-3
-4
OUT
L
R
J301 (2/2)
AUDIO SELECT
IC2560 (2/2)
SA-CD/CD/CD-R
-3
-4
R-CH
AUDIO OUT
L
R
J304 (2/2)
VIDEO 1
-1
-2
R-CH
AUDIO OUT
L
R
J303 (2/2)
VIDEO 2/BD
-1
-2
IN
IN
TV
L
R
IN
DVD
L
R
L
R
J302
-3
-4
-1
-2
-5
-6
AUDIO IN
SAT
AUDIO IN
68
66
60
59
59
42
R-CH
82
88
87
85
84
SW-CH
SBL-CH
SBR-CH
86
56
51
52
49
26
24
38
5
14
3
1
22 23
9
7
22
81
SBL
SEL
SEL
SBLOUT
54
83
41
46
44
11
16
18
L
SEL
5
7
4
2
+5V REG
IC1012
2
1
+6.5V REG
IC4001
3
1
+5V REG
IC1031
4
2
+3.3V REG
IC1013
2
1
+4V REG
IC4100
F4001
RECT
D4001
R2 AC
R2 AC
F4002
DIGITAL
SECTION
B
XML
XMR
XM
SECTION
D
MIC_L
DIGITAL
SECTION
C
DIGITAL
SECTION
A
POWER
SECTION
F
POWER
SECTION
E
34
28
32
32
36
(Page 18)
(Page 23)
(Page 21)
(Page 18)
STR-DG910
18
18
STR-DG910
5-2. BLOCK DIAGRAM — DIGITAL SECTION —
(Page 17)
(Page 20)
24
XMCK
20
CKOUT 13
BCK 14
LRCK 15
DATAO
X1301
12.288MHz
63
21
22
SCKI
15
BCK
11
LRCK
10
45
46
47
48
38
37
36
35
46
17
INPUT
DATA
DEMODULATOR
Pa,Pb DETECTION
LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION
16
SA-CD/
CD/CD-R
IN
DIGITAL
(ASSIGNABLE)
AUTO CAL MIC
J2500
(COAXIAL)
1
VIDEO 1
IN
(OPTICAL)
OUT
IC1351
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1301
J1301
-1
2
3
WAVE
SHAPER
IC2502
1
3 +3.3V REG
5
+3.3V
+5V
VDD
L-IN
ADC
IC1603
DIR DATAO
7
DIR CLK
DIR CE
DIR DI
DIR DO
DIR XSTATE
CLK
CE
DI
DO
CKSEL0
38
3
48
DIR XMODE
39
DIR CKST
XMODE
XSTATE
5
XOUT
DIN2
DVD
IN
(COAXIAL)
IC1304
-2
2
3
WAVE
SHAPER
4
DIN1
DIN0
1
VIDEO 2/
BD IN
(OPTICAL)
OUT
IC1352
3
XIN
X1302
25MHz
D1301
SYSTEM
CONTROL
IC1010 (2/7)
TUNER/
AUDIO
SECTION
B
TUNER/
AUDIO
SECTION
A
∆Σ
MOD.
36
33
1
28
DACDO
67
SF_DSP_MAS
DSP MISO
SF_CPU_CE
DSP MOSI
SPI CLK
DAC DI/XMDACMDI
DAC CLK/XMDACMC
DAC ATC
AD/DA RST
MDO
MOSI
SPICLK
SPI_MAS
MISO
ML
35
2
MC
34
72
MDI
37
69
RST
DATA3
L OUT
R-CH
VOUT5
VOUT6
VOUT1
VOUT2
VOUT3
VOUT4
47
3
R-CH
9
10
1
AMP
IC1403
BUFFER
IC1004
3
1
9
MIC AMP
IC2501
38 SCKI
40 BCK
LRCK
41
8CH DAC
IC1452
DAC
SL OUT
R-CH
5
13
14
7
AMP
IC1405
DAC
VOUT7
VOUT8
SBL OUT
5
20
16
7
AMP
IC1406
DAC
C OUT
3
12
1
SW OUT
5
2
5
6
5
1
11
7
AMP
IC1404
DAC
6
5
4
SELECTOR
IC1302
14 2
1
OUT
IC1354
SAT
IN
(OPTICAL)
3
7
1
L IN
R-IN
MIC_L
TUNER/
AUDIO
SECTION
C
R-CH
R-CH
HDMI
SECTION
H
SD0–SD3
LRCK
SPDIF
MUTE ERROR
BCK
MCK
VIDEO
SECTION
G
DCAC_ON/OFF
TC74HC153_A
TC74HC153_B
HDMI SELECT
+3.3V(MIC)
2
R IN
PDWN 7
SPI SELECT
IC1003
S.FLASH
IC1011
BUFFER
Q2500
AUDIO
SD IN
8
DOUT
12
DIGITAL
DECIM.
FILTER
2
4
79
7
88
9
12
89
78
64
142
143
65
70
94
16
15
122
121
97
5
6
10
11
13
14
3
1
8
1
1
2
64
DSP RESET
65
DSP SPIDS
83
DSP INT
49
DIR ERROR
50
HDMI_FSRATE
80
I
82
45
DATA1
71
46
DATA2
31
DATA4
87
86
86
98
125
6
127
3
5
2
63
1
7
126
91
90
66
89
7
5
2
1
1
DPSIB
DPLRCK
DPBCK
NON AUDIO
DIR_ERR
INT_REQ
XSPIDS
XSPIDS
XRESET
SO
SI
SCK
DPSIA
DPSOA
CLKIN
XTAL
DPSOB
DPSOC
DPFSCK
DPSOD
DPDVBCK
DPDVLRCK
XSF_CE
DSPIC
I
DSPIE
CLOCK
GENERATOR
IC1016
IC1014
CE
ERROR
34
ERROR DETECT
IC1017
CLOCK SELECTOR
IC1008
DSP EX3
IC1009
SWITCH
A B
SD0
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: DVD (DIGITAL)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 17)
(Page 19)
(Page 17)
STR-DG910
19
19
STR-DG910
5-3. BLOCK DIAGRAM — VIDEO SECTION —
1
CH1 IN1
CH2 IN2
CH2 IN1
CH3 IN2
CH3 IN1
CH1 IN2
CH2 IN3
CH3 IN3
CH1 OUT
CH2 OUT
CH3 OUT
2
4
Y
P
B/
C
B
P
R/
C
R
Y
SW1
SW2
VC_SEL1
VC_SEL2
P
B/
C
B
P
R/
C
R
Y
P
B/
C
B
P
R/
C
R
J6102
J6401 (1/3)
24
75Ω
DRIVER
6dB AMP
22
75Ω
DRIVER
6dB AMP
20
75Ω
DRIVER
6dB AMP
23
PS
VC MUTE
14
D6402
D6401
10
4
13
J6403
5
3
SAT
IN
DVD
IN
VIDEO 1
IN
VIDEO
IN
VIDEO
IN
COMPONENT
VIDEO
–1
–2
–3
–4
–5
–6
–7
–8
–9
Y
P
R/
C
R
P
B/
C
B
J6101
MONITOR
OUT
COMPONENT
VIDEO
–1
1
75Ω
DRIVER
6dB AMP
15
2
1
75Ω
DRIVER
6dB AMP
-3
J6401 (3/3)
J6401 (2/3)
–2
–3
–2
VIDEO 1
DVD
SAT
–2
VIDEO
IN
–1
VIDEO
IN
–2
VIDEO
OUT
SW
MUTE
SW1
INPUT SELECT
IC6701
VIDEO 1
-1
VIDEO
OUT
J6402 (2/2)
VIDEO 2/BD
-1
VIDEO
OUT
MONITOR
+5V
REG
IC6601
+5V-3
3
2
–5V
REG
IC6602
–5V-3
QA
QC
QF
QH
QD
QE
VC_SEL2
VC_SEL1
VIDEO_SW3
VIDEO_SW1
VC MUTE
VIDEO_SW4
VIDEO CONTROL
IC6201
VIDEO CONTROL
BUFFER
IC1602
SYSTEM CONTROL
IC1010 (3/7)
BUFFER
IC6202
ON SCREEN
DISPLAY CONTROL
IC6501
VEE
–5V-3
VCC
+5V-3
+7V
–7V
M.OUT
1
11
2
VIN3
3
VIN2
12
10
VIN1
VOUT2
VOUT1
V1 OUT
11
75Ω
DRIVER
6dB AMP
V2 OUT
V-1,-2
–5V-3
V+1,+2
+5V-3
V1 IN
9
V2 IN
J298 (1/2)
7
VIDEO
–1
VIDEO 3 IN/
PORTABLE AV IN
J6402 (1/2)
VIDEO 2 /BD
V3
LD
TV
VIDEO_SW1
VIDEO_SW2
VIDEO_SW3
SW1
SW2
SW3
6
VIDEO_SW4
SW4
VIDEO SELECTOR
IC6402
COMPONENT VIDEO SELECT
IC6101
2
SW5
46
20
UP CONVERTER
IC6307
X6301
24.576MHz
4
41
42
21
38
15
2
3
3
4
5
5
QG
VIDEO_SW2
6
7
S-IN
HDMI SELECT
DCAC_ON/OFF
TC74HC153_A
TC74HC153_B
HP RY
14
LAT 12
CLK 11
CLK
CS
SIN
VOUT
SCLK
EXS
AEP,UK,E2 MODEL
US,CND,KR,TW
MODEL
XS
Q6504
LAT
S-OUT
11
12
9
D595DATA
D595CLK
D595LAT
32
S-IN
OSD LATCH
VIDEO IN 1
VIDEO IN 2
X0
X1
SDA
SCL
RESET
UP_CON I2C DA
UP_CON I2C CLK
UPCON_RESET
14
3
CH1 IN3
5
8
10
12
17
15
13
QA
15
QB
1
QC
2
+5V-OSD
+3.3V-3
QF
5
QG
6
QE
+5V-3
3
QD
MUTE
OSD ON/OFF
4
33
OSD_SW
34
41
73
9
8
24
42
4
35
G
POWER
SECTION
DIGITAL
SECTION
CY IN
CVBS IN
CR IN
CB IN
I
HDMI SW
SECTION
J
5
Y BUFFER
Q6306
VIDEO
BUFFER
Q6304
POWER CONTROL
Q6501,6502
+3.3V
REG
3
1
OSD
DATA
74
5
6
23
25
OSD CLK
CLOCK GENERATOR
IC6503
BUFFER
IC6502
75
12
11
22
8
9
3
10
13
7
5
1
3
X6503
17.3734MHz
X6502
14.31MHz
X6501
14.31MHz
IC6308
• Signal path
: VIDEO
• Abbreviation
E2 : AC 120V area in E model
CND : Canadian model
KR : Korea model
TW : Taiwan model
(Page 18)
(Page 23)
(Page 20)
Ver. 1.1
STR-DG910
20
20
STR-DG910
5-4. BLOCK DIAGRAM — HDMI SW SECTION —
58 A34
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
CEC
SCL(5V)
SDA(5V)
SDA(5V)
+5V POWER
HOT PLUG DET
HOT PLUG DET
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
CEC
SCL(5V)
SDA(5V)
SDA(5V)
+5V POWER
HOT PLUG DET
HOT PLUG DET
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
CEC
SCL(5V)
SDA(5V)
SDA(5V)
+5V POWER
HOT PLUG DET
57 B34
55 A33
54 B33
55 A33
54 B33
39
SDA_SINK
1
3
4
6
7
7
9
10
12
13
15
15
16
18
19
19
1
3
4
6
7
7
9
10
12
13
15
15
16
18
19
19
1
3
4
6
7
7
9
10
12
13
15
15
16
18
19
19
CN3501
SWITCHER
IC3503
SAT IN
10
7
38
SCL_SINK
52 A32
51 B32
49 A31
48 B31
51 B32
49 A31
48 B31
46 SCL3
45 SDA3
45 SDA3
44 HPD3
A24
B24
A23
B23
A22
B22
A21
B21
SCL2
SDA2
HPD2
A14
B14
A13
B13
A12
B12
A11
B11
SCL1
SDA1
HPD1
41 DSDA
42 DSDL
42 DSDL
51 RXC+
1
VSYNC
QE23
I
QE0
128
HSYNC
127
DE
70
SPDIF
75
WS
76
SCK
SD3
I
SD0
79
MCLK
39
CSDA
40
CSCL
67
MUTE
50 RXC–
55 RXO+
54 RXO–
59 RX1+
58 RX1–
63 RX2+
62 RX2–
55 RXO+
54 RXO–
59 RX1+
58 RX1–
63 RX2+
62 RX2–
44 PWR5V
91 INT
89 RESET
91 INT
89 RESET
21 RX_HPDI
51 TMDS_S1
52 TMDS_S2
51 TMDS_S1
52 TMDS_S2
RX_RST
RX_INT
XOUT
XIN
11
13
EEPROMSEL1
41
TX_5VPWR
42
TX_RST
43
28
27
TX_INT
65
MUTE
33
TX
34
RX
30 HDMI_ERR
102 FLASH_SO/HDMI_UART_TX
103 FLASH_SO/HDMI_UART_RX
103 FLASH_SO/HDMI_UART_RX
29
CEC OUT
104
HDMI RESET
HDMI+3.3V
10
RESET
29
232_OUT
30
232_IN
7
CNVSS
AD_SW
AD_INT
AD_RST
PROU_OUT_SW
PROU_RST
53 TMDS_S3
54 TMDS_OEB
55 P5V_SELA
56
54 TMDS_OEB
55 P5V_SELA
56
66 67 68 69 70
P5V_SELB
19
20
35
3
9
10
EEPROM DATA SELECT
IC3521
EEPROM
IC3509
HDMI RX
IC3511
35
33
36
32
2
SPDIF
MUTE ERROR
LRCK
BCK
MCK
MCK
SD0–SD3
HDMI TX
IC3513
1
80
5
11
12
6
44
43
30
29
27
26
20
19
+6.3V
42
18
17
49-58
61-70
75-79
61-70
75-79
40
HPD_SINK
21
S1
22
S2
23
S3
42
XOE
35
Z1
34
Y1
32
Z2
31
Y2
29
Z3
28
Y3
26
Z4
25
Y4
DATA BUFER
Q3504
POWER DETECT
IC3501 (2/2)
5
4
1
15
14
12
11
9
8
6
5
3
2
80
77
76
74
73
71
70
68
67
64
63
62
+5V REG
Q305–307
POWER DETECT
IC3501 (1/2)
POWER SELECT
IC3504
1
5
2
4
9
3
6
8
5
5
14
1
3
5 SDA
13
6 SCL
CN3502
DVD IN
CN3503
VIDEO 2/BD
IN
HDMI
HDMI
CN3504
OUT
CN3510
2
RESET
232_OUT
232_IN
CNVSS
3.3V
3
5
1
7
+4.1V
HDMI+1.8V3
HDMI+3.3V
HDMI+3.3V2
HDMI+3.3V3
HDMI+3.3V4
4
2
HDMI+1.8V
HDMI+1.8V2
+3.3V REG
IC3526
SYSTEM CONTROL
IC1010 (4/7)
X3501
28.322MHz
X3801
28.63636MHz
84 XTALOUT
85 XTALIN
X3502
10MHz
HDMI CONTROL
IC3519
DIGITAL
SECTION
H
I
VIDEO
SECTION
12
7
I
10
CSCL
CSDA
CEC BUFFER
Q1103–1106
Q1103–1106
CSDA
CSCL
66 IDCK
RESET
HPD
INT
TX2–
TX2+
TX1–
TX1+
TX0–
TX0+
TXC–
TXC+
VSYNC
D23
I
D0
HSYNC
DE
SPDIF
WS
SCK
MCLK
DSCL
DSDA
SD3
I
SD0
POWER
CONTROL
IC3516
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
CEC
SCL(5V)
SDA(5V)
+5V POWER
HOT PLUG DET
1
3
4
6
7
7
9
10
12
18
15
16
19
13
DATA BUFFER
IC3507
3 SDAA
6
SDAB
2 SCLA
SCLB 7
WP
11
12
A
B
+3.3V REG
IC3807
+3.3V REG
IC3806
3
1
4
5
+1.8V REG
IC3805
3
1
3
1
+1.8V REG
IC3808
+3.3V REG
IC3527
4
2
3
1
+1.8V REG
IC3528
HDMI+2.5V
+3.3V REG
IC3815
3
1
4
2
+2.5V REG
IC3816
72
CR IN
X TAL
CB IN
CY IN
CVBS IN
AD_INT
AD_RST
38
AIN4
INTERGRATED MULTI-FORMAT
SDTV/HDTV VIDEO DECODER AND
RGB GRAPHICS DIGITIZER
IC3801
BUS SWITCH
IC3802,3811–3814
PROGRESSIVE
SCAN CONVERTER
IC3803
AIN5
AIN6
SOY
AIN11
INT
RESET
RESET
LLC1
V0/Y0
I
V7/Y7
V02
I
Y09
C02
I
C09
36
CLKI
P12–19
2
NHSI
15
NVSI
16
SDA
135
SCL
136
NVSO
20
NHSO
P12–19
Y2–9
CBY2–9
IP_HSYNC
IP_VSYNC
IP_VSYNC
IP_DCK
H SYNC
V SYNC
ODCK
AD_SW
PROU_OUT_SW
DE
PROU_RST
21
PLL_EN
4
SRN
137
7–14
CLKO
40
CS/HS
4
SCLK
82
SDA
81
VS
C0–7
VS
CS/HS
99 22,23,25-28
41,42
7–10
91–94
41–45
48–50
48–50
58–60
63–67
63–67
A0
I
A11
DQ0
I
DQ15
MD0
I
MD15
MA0
I
MA11
15
35
16
14
17
36
WE
CLK
CAS
DQML
DQMU
RAS
WE 104
MCLK 103
CAS 102
CKEDQE 101
RAS 100
110–113
116–119
122–125
129–132
116–119
122–125
129–132
80–83
86–89
94–97
86–89
94–97
2,3,5,6
8,9,11,12
39,40,42,43
45,46,48,49
45,46,48,49
21–24
27–32
27–32
19,20
73
3
78
74
76
77
HDMI SDRAM
IC3804
D2,3,6–23
C0–7
92-96
99-105
108-111
114-117
114-117
119,
121-124
71
I
74
1
HDMI+3.3V5
(Page 18)
(Page 19)
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