Sony STR-DN1050 Service Manual ▷ View online
STR-DN1050
25
Flow of Repair (when sound is not outputted) (5/5)
Check that the sound is outputted from
each speaker, when the sound field is
“MULTI ST”.
Check that the speaker pattern setting is normal.
Explain the settings of this unit to the customer.
Check the surrounding circuit of power transistor
of the channel to which data is not outputted
(example: Q600 on the MAIN board) and the
surrounding circuit of power amplifier circuit
(example: FL, FR on the MAIN board), and
exchange the defective parts.
OK
NG
NG
STR-DN1050
26
SECTION 6
DIAGRAMS
• Circuit Boards Location
Ver. 1.1
STANDBY board
V-SELECT board
(BR)
(BR)
DCDC board
DIGITAL board
NETWORK board
TUNER1 board
MAIN board
NFC ICON PC board
RC-S801/A5 (WW)
(EXCEPT TW)
(EXCEPT TW)
POWER KEY board
GND BRACKET board
HEADPHONE board
FRONT JACK board
DISPLAY board
BLUETOOTH module
HDMI FRONT IN board
• Abbreviation
BR
BR
: Brazilian model
TW :
Taiwan
model
STR-DN1050
STR-DN1050
27
27
6-1. BLOCK DIAGRAM – ANALOG AUDIO Section –
4
J401
J402 (1/2)
J100
CN103
CN104
CN102
AUTO CAL
MIC
J402 (2/2)
12
TUN_RDS_SIGNAL
AM
FM RECEIVER
IC101
ROUT
FM
75ȍCOAXIAL
ANTENNA
ARF1
ARF2
SBLIN
-2
OUT2
SBRIN
-1
OUT1
INL9
INR9
INL7
INR7
INL11
INR11
ADCR
ADCL
OUTSW
OUTC
OUTSR
OUTSL
OUTSBR
OUTSBL
OUTFR
OUTFL
LINE AMP
IC412
66
6
2
1
67
7
R-ch
R-ch
R-ch
SL
SBL
FL
L-IN
INL2
INL3
INR3
INR2
DIR FUNCTION SELECT
IC421
SBL
SLIN
-2
OUT2
SRIN
-1
OUT1
LINE AMP
IC411
68
6
2
1
69
7
R-ch
R-ch
R-ch
SL
CIN
-2
OUT2
SWIN
-1
OUT1
LINE AMP
IC413
70
6
2
1
71
7
C
SW
INL1
-2
OUT2
INR1
-1
OUT1
LINE AMP
IC410
63
6
2
1
64
7
R-ch
R-ch
R-ch
FL
INL5
-2
OUT2
INR5
-1
OUT1
LINE AMP
IC2002
55
3
5
1
56
7
AOUTL
INL4
BT LOut
INR4
BT ROut
LINE AMP
IC420
57
2,3,5,6
1
58
7
R-ch
R-ch
R-ch
BT_R
BT_L
SYSTEM
CONTROL
IC2100 (1/5)
11
TUNER_MOSI
10
TUNER_CLK
EV
O
L_
D
ATA
D
ATA
CLK
EVOL_CLK
3
2
ZONE2_PREOUT_SW_R
Y
89
59
60
10
11
61
62
62
75
14
13
20
19
15
SUB2R 24
C
18
R-ch
R-ch
R-ch
R-ch
17
43
44
51
52
47
48
16
76
AUDIO AMP
IC101
R-ch
R-ch
R-ch
R-ch
R-ch
R-ch
R-ch
INL10
INR10
45
46
R-ch
R-ch
R-ch
R-ch
R-ch
7
5
1
3
14
LOUT 15
DA 13
CK 10
IIC/RDSI 8
6
7
FRF1
4
RY301
RY302
SUB2L 23
AEP, UK, TW, AUS
MX, BR, US, CND
6LJQDOSDWK
: AUDIO
: TUNER
: MIC
5FKLVRPLWWHGGXHWR
: TUNER
: MIC
5FKLVRPLWWHGGXHWR
VDPHDV/FK
RELAY
DRIVER
Q301
RELAY
DRIVER
Q302
AUDIO
SUBWOOFER OUT
R
L
AUDIO
ZONE 2 OUT
R
L
AUDIO
SA-CD/CD IN
R
L
AUDIO
SAT/CATV IN
R
L
AUDIO
TV IN
R
L
AUDIO
VIDEO 1 IN
R
L
>003B
DIGITAL SECTION
(1/2)
(Page 28)
>004B
ANALOG VIDEO/USB SECTION
(Page 31)
>005B
DIGITAL SECTION
(1/2)
(Page 28)
>001B
DIGITAL SECTION
(1/2)
(Page 28)
>002B
AMP SECTION
(Page 30)
Ver. 1.2
STR-DN1050
STR-DN1050
28
28
6-2. BLOCK DIAGRAM – DIGITAL Section (1/2) –
95
94
5
6
E2P_SDA
E2P_SCL
DQ0-DQ15
147-150,152,154-155,157,
161-163,165-168,170
2,4-5,7-8,10-1
1,13,42,
44-45,47-48,50-51,53
6,9-13,16-17, 20-21,26,30
23-26,29-34,
22,35
ADDR0-ADDR11
ADDR17-ADDR18
20-21
32,35
A0-A11
26-29
61,1
19
4-9
3,6,10,13
4,7,9,12
1-4
CLOCK
MULTIPLIER
IC2118
DATA0-DATA15
BA0-BA1
L-IN
R-ch
R-CH
J2100
X2500
25MHz
CEC DATA
SWITCH
Q2102 ~ Q2105
44
45
73
94
86
X2102
24.576MHz
CLKIN
SBL/SBR_OUT
SL/SR_OUT
C/SW1_OUT
L/R_OUT
24
XTAL2 25
BCLK_OUT 98
LRCLK_OUT 99
MOSI 38
SPICLK 40
MISO 39
DSP_CS 43
31
32
1
OUT
5
2
1
Y
B
A
DIGITAL OPTICAL RECEIVER
IC230
DIGITAL AUDIO
INTERFACE RECEIVER
IC2107
WAVE SHAPER
IC2105
DSP
IC2502
63
62
XOUT
RXIN6
OPTICAL TV RXIN1
10 MPIN4
60 RXIN4
CEC_PCONT
61
1
OUT
DIGITAL OPTICAL RECEIVER
IC231
51 OPTICAL SAT RXIN2
XIN
SYSTEM CONTROL
IC2100 (2/5)
4
5
16 38
15
DAC_IIC_SDL
DAC_IIC_SCA
INITX
SCK
3
MC/SCL/DEMP
MD/SDA/MUTE
DATA4
DATA3
FL
R-CH
VOUT1
VOUT2
VOUT5
VOUT6
VOUT3
VOUT4
13
26
27
6
7 BCK
LRCK
8
MPOUT1
MPOUT4
DATAOUT
19
SL/SR_IN
A/D_2CH
DIR_IN
L/R_IN
74
MPOUT2 20
16
22
22
103
100
96
C/SW_IN
95
MPOUT3 21
SBL/SBR_IN
101
D/A CONVERTER
IC2104
DATA2
SL
R-CH
19
20
DATA1
C
22
SW
21
ADINL
ADINR
12
VOUT7
VOUT8 15
16
SBL
11
EEPROM
IC2102
BINARY
COUNTER
IC2111
MUTING
IC2112
SD-RAM
IC2501
D2104
56 36
HDMI_CECIN
HDMI_CECOUT
DIR FSRA
TE
CKA
2QD
88
SCL
SDA
4
RESET
IC2101
IC2101
VOUT
6LJQDOSDWK
: AUDIO
: AUDIO (DIGITAL)
5FKLVRPLWWHGGXHWR
VDPHDV/FK
: AUDIO (DIGITAL)
5FKLVRPLWWHGGXHWR
VDPHDV/FK
5
2
3
6
MCKOUT 13
MCLK_IN
92
LRCKOUT 15
LRCLK_IN
97
BCKOUT 14
BCLK_IN
75
MUTEB
XMCK 30
24
B
Y
SELECT
2
5
A
1
6
MPIN5
11
MCKOUT
13
BCKOUT
14
HDMI_MUTE
ARC_SPDIF
1
2
2
CEC
CEC_PCONT
MUTE SELECTOR
IC2108
D/A CONVERTER
IC2001
SIGNAL SELECTOR
IC2000
8
1
14
DIR_SIGNAL
19
DIR_XST
ATE
18
SERIAL
FLASH
IC2503
IC2503
SCK
6
SO
2
CE#
1
SI
5
EEPROM
IC2102
95 94
E2P_SDA
E2P_SCL
COAXIAL
BD/DVD
(ASSIGNABLE) IN
IN 1
(SAT/CATV
ASSIGNABLE)
IN 2
(TV ASSIGNABLE)
OPTICAL
16
12
2
4
4
7
2
4
3
SDTI
6
SMUTE
11
AOUTL
10
AOUTR
9
9
M1
10
M0
43
M1
8
M0
7
>001B
ANALOG AUDIO
SECTION
(Page 27)
>003B
ANALOG AUDIO
SECTION
(Page 27)
>007B
DIGITAL VIDEO
SECTION
(Page 32)
CLK_IN
5
CLK_OUT
3
>005B
ANALOG AUDIO
SECTION
(Page 27)
61
3
4
5 LRCKIN
BCKIN
MCKIN
RXIN3
MCKIN
RXIN3
SP_WS
SP_SCK
SP_MCK
SP_SPDIF
>006B
DIGITAL SECTION
(2/2)
(Page 29)
R-ch
AOUTL
Click on the first or last page to see other STR-DN1050 service manuals if exist.