Sony STR-DG910 Service Manual ▷ View online
STR-DG910
21
21
STR-DG910
5-5. BLOCK DIAGRAM — XM SECTION (US, Canadian MODEL) —
18 COMRXP
23 COMTXP
J101
XM AUDIO
DIGITAL PROCESSOR
IC102
X101
45.158MHz
XM
+D
–D
2
3
22 COMTXM
1
39
I2SSCLK
5
SCRXIN
3
SCTXOUT
2
37
I2SDATA
3
41
I2SLRCLK
16
43
I2SOCLK
93 XM MIXMI
92 XM MIXMO
11
RESET
26 OSCOUT
28 OSCIN
13
MD
14
MC
BCK
DATA
LRCK
SCK
15
ML
7
VOUTL
XML
XMR
+6.3V
72 DAC DI/XMDACMDI
2 DAC CLK/XMDACMC
7 XM DAC MS
97 XMRESET
84 RDSCLK/XMDPOWER
SYSTEM CONTROL
IC1010 (5/7)
19 COMRXM
6
7
8
VOUTR
XM+3.3V
XM+5V
XM+5.3V
2
4
2
1
3
1
3
1
D/A CONVERTER
IC105
AUDIO AMP
IC104
IC106
IC107
XM+5V
REG
IC101
XM+3.3V
REG
XM+5V
REG
POWER CONTROL
SWITCH
Q105,106
TUNER/AUDIO
SECTION
D
(Page 17)
STR-DG910
22
22
STR-DG910
5-6. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
57
FL DISPLAY DRIVER
IC100
14
I
29
•
31
58
98
78
5
6
16
15
82
SW NETWORK
S101-108
RV102
MASTER
VOLUME
VOLUME
D105
MULTI
CHANNEL
DECODING
85
52
103
102
55
12.5MHz
12.5MHz
EEPROM DATA
EEPROM CLK
POWERKEY
FLASH_SO/HDMI_UART_TX
FLASH_SI/HDMI_UART_RX
MD2
INIT
62 RST TGR
SDA
SCL
EEPROM
IC1131
X1300
12.5MHz
SIRCS IN
F1
F2
F2
71
FL_DATA
7 DIN
68
FL_LAT
9 STB
70
FL_CLK
8 CLK
1
SW1
GRID1
I
GRID11
SEG1
I
SEG17
V_ENCODER(A)-DOWN
V_ENCODER(B)-UP
INPUT ENCODER A
INPUT ENCODER B
A/D KEY2
SW NETWORK
S109–115
A/D KEY1
2
3
79
80
RV101
INPUT
SELECTOR
2
3
TUNING ENCODER+/- A
TUNING ENCODER+/- B
36
37
RV103
– TUNING +
2
3
TONE JOG A
TONE JOG B
6
5
RV104
– TONE +
2
3
2
REMOTE
CONTROL
SIGNAL
RECEIVER
IC103
OUT
SIRCS
SYSTEM
CONTROL
IC1010 (6/7)
BUFFER
IC101
CNS504
S100
FLASH-SI
MD2
XRESET
1
2
SDA
SCL
FLASH-SO
FLASH-SO
9
8
7
5
FLASH
PROGRAMMING
I
/ I
114
115
FL101
VACUUM
FLUORESCENT
DISPLAY
42
I
32
9
4
2
8
6
3
IC1005–1007
LED
DRIVER
Q110
RESET
STR-DG910
23
23
STR-DG910
5-7. BLOCK DIAGRAM — POWER SECTION —
(Page 17)
-45V
8
12
11
DRIVE
POWER AMP
Q671-674
CURRENT
DETECT
Q675,676
RY2891
PRE DRIVER
IC600
IN 2
+VOUT2
-VOUT2
R
L
AUDIO
OUT
SUB
WOOFER
CENTER
SURROUND
BACK
SURROUND
R-CH
R
L
R-CH
R
L
R-CH
R-CH
L-CH
R-CH
SL-CH
C-CH
R-CH
SR-CH
R-CH
SBR-CH
R-CH
TUNER/
AUDIO
SECTION
E
TUNER/
AUDIO
SECTION
F
VIDEO
SECTION
J
RY901
D251
D1001
+3.3V
F1
F2
-20V
+3.3V
(STBY)
-7V
+7V
TU+9V
-20V
RECT
D910-913
D914
D924
D915
(SUB)
D1107
D1110
OVERLOAD
DETECT
D675,Q677
6
12
2
3
DRIVE
POWER AMP
Q721-724
CURRENT
DETECT
Q725,726
-B SWITCH
Q221,228,235
RELAY
DRIVER
Q901
AC IN
DETECT
Q921
SUB TRANSFORMER
VOLTAGE CONTROL
Q922,923
PRE DRIVER
IC700
PRE DRIVER
IC500
IN 1
+VOUT1
-VOUT1
OVERLOAD
DETECT
D725,Q727
8
12
11
DRIVE
POWER AMP
Q471-474
CURRENT
DETECT
Q475,476
PRE DRIVER
IC400
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D475,Q477
RY600
RY351
D290
D291
R290
R291
BRIDGEABLE RY
+B SWITCH
Q220,225
PROTECTOR
D201-204
Q200-203,255,256
9
81
17
D1111
–7V2
OVERLOAD
DETECT AMP
7
2
IC210
Q210
PROTECTOR
–45V
-B
+A5V
+5V
REG
1
3
IC1001
+3.3V
REG
1
3
IC1904
+1.2V
+1.2V
REG
1
3
IC1002
+9V
REG
1
3
IC1902
-15V
+15V
+7V2
+7V
REG
1
3
IC260
-7V
REG
2
3
IC265
+B
+45V
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
RECT
D801,802
RECT
D920-923
RECT
D851-854
T901
POWER
TRANSFORMER
TM601
TM2880
TM602 (1/2)
TM602 (2/2)
J305
(MAIN)
FRONT A
FRONT B
AC OUTLET
J911
US,CND MODEL
JW905
EXCEPT E2 MODEL
US,CND,E2
MODEL
EXCEPT
E2
MODEL
E2
MODEL
AC OUTLET
CN005
RY500
PHONES
J790
R-CH
FRONT A RY
FRONT B RY
SW RY
C/SB/REAR RY
HP DETECT
FRONT_RY
PROTECTOR
HP DETECT
STOP
94
SUB T
25
SP_BRY
BRIDGEABLE RY
20
POWER_RY
23
SW_RY
21
C/SB RY
FRONT A RY
HP DETECT
FRONT B RY
8
BRIDGEABLE RY
SW RY
C/SB/REAR RY
SYSTEM
CONTROL
IC1010 (7/7)
PRE
DRIVE
PRE
DRIVE
SW-CH
-45V +45V
SBL-CH
6
2
3
DRIVE
POWER AMP
Q521-524
CURRENT
DETECT
Q525,526
IN 1
+VOUT1
-VOUT1
OVERLOAD
DETECT
D525,Q527
PRE
DRIVE
-45V
+45V
+45V
-45V +45V
PRE
DRIVE
R810
R2 AC
R2 AC
R2 AC
HP RY
R811
R851
R852
JW907
T903
POWER
TRANSFORMER
AC IN
~
F901
F905
S901
S901
E2 MODEL
240V
220V
120V
VOLTAGE
SELECTOR
-1
-2
-3
F904
F902
SPEAKERS
IMPEDANCE
USE 8-16Ω
RELAY
DRIVER
Q600
RY400
RELAY
DRIVER
Q400
RY700
RELAY
DRIVER
Q700
RELAY
DRIVER
Q351
RY801
RELAY
DRIVER
Q809
RELAY
DRIVER
Q2890
RY2881
RELAY
DRIVER
Q2880
RELAY
DRIVER
Q500
RELAY
SW
-20V REG
Q250
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
• Abbreviation
CND : Canadian model
E2 : AC 120V area in E model
(Page 19)
(Page 17)
Ver. 1.1
STR-DG910
24
24
STR-DG910
for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : OSD ON
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: DVD (DIGITAL)
c
: CD (ANALOG)
• Abbreviation
CND : Canadian model
E2
E2
: AC 120 V area in E model
KR
: Korea model
TW
: Taiwan model
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• Waveforms
— DIGITAL Board —
— DIGITAL Board —
— HDMI RE Board —
— XM Board (US, Canadian Model) —
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
• Abbreviation
CND : Canadian model
E2
E2
: AC 120 V area in E model
KR
: Korea model
TW
: Taiwan model
1
IC1301
qd
(CKOUT)
3.5 Vp-p
3.1 Vp-p
1 V/DIV, 50 nsec/DIV
3
IC1301
wa
(XOUT)
1 V/DIV, 50 nsec/DIV
2
IC1301
qf
(BCK)
3.5 Vp-p
1 V/DIV, 0.2
µ
sec/DIV
12.288 MHz
3.07 MHz
12.288 MHz
1.2 Vp-p
0.5 V/DIV, 20 nsec/DIV
25 MHz
3.2 Vp-p
1 V/DIV, 50 nsec/DIV
5
IC1010
tj
(12.5MHz)
12.5 MHz
4
IC1009
<zvc
(XTAL)
1.8 Vp-p
1 V/DIV, 20 nsec/DIV
24.576 MHz
1
IC6307
ra
(XO)
2.2 Vp-p
1 V/DIV, 50 nsec/DIV OSD ON
14.31 MHz
2
IC6501
8
(EXS)
2.2 Vp-p
1 V/DIV, 20 nsec/DIV
28.322 MHz
1
IC3511
if
(XTALOUT)
3.4 Vp-p
1 V/DIV, 50 nsec/DIV
10 MHz
2
IC3519
qa
(XOUT)
2.2 Vp-p
1 V/DIV, 50 nsec/DIV
28.63636 MHz
3
IC3801
ek
(XTAL)
1
IC102
wh
(OSCOUT)
0.8 Vp-p
1 V/DIV, 50 nsec/DIV
45.158 MHz
— VIDEO Board —
Ver. 1.1
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