Sony STR-DG720 Service Manual ▷ View online
STR-DG720
STR-DG720
33
33
8
14
11
2
13
F
15
5
9
1
6
D
I
B
7
16
H
4
A
G
E
3
C
10
12
BOARD
MAIN
(1/3)
CNP411
A
BOARD
VIDEO
CNP242
N
B
(1/3)
MAIN
BOARD
CNP410
DIGITAL
(2/3)
4
BOARD
DIGITAL BOARD (1/3)
3
IC B/D
IC B/D
IC B/D
0
0
0
3.3
0
1.2
0
0
3.3
1.6
1.7
1.7
0
5
2.4
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5
5
5
6.2
3.3
1.6
1.2
3.3
1.8
1.8
1.6
1.7
3.3
5
1.9
2.4
2.5
2.5
6.9
2.5
2.5
6.9
-6.9
2.4
2.5
2.5
2.4
2.5
2.5
2.4
2.5
2.5
2.4
2.5
2.5
6.9
2.5
2.5
6.9
-6.9
2.4
2.5
2.5
2.4
2.5
2.5
6.9
2.5
2.5
6.9
-6.9
2.4
2.5
2.5
2.4
2.5
2.5
6.9
2.5
2.5
6.9
-6.9
5
6.9
1k
R1416
680p
C1474
CL042
50V
10
C1488
R1460
0
100p
C1320
16V
100
C1457
100
R1200
16V
100
C1009
R1940
0
0
R1019
1k
R1486
50V
10
C1653
330p
C1442
0
R1470
0.1
C1401
CL037
330p
C1433
0.1
C1459
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
11
12
13
14
15
16
17
18
18P
J1302
P GND
VBUS +5V
NC
VIDEO 5V
C LINK_RX
C LINK_TX
DET
DGND
WM DET
WM AD
L-
R-
L+
R+
WM RxD
WM TxD
DMPORT_VIDEO
VGND
6.8k
R1473
50V
10
C1458
10V
100
C1008
16V
100
C1460
C1005
0.1
680p
C1456
6.8k
R1498
R1496
6.8k
680p
C1441
6.8k
R1424
JL001
0
R1455
16V
100
C1923
33
R1148
R1415
0
330p
C1473
50V
1
C1660
0.1
C1012
50V
10
C1406
6.8k
R1493
1SS367-T3SONY
D1003
330p
C1453
8765
4
3
2
1
3
2
1
IC1406
NJM4565M(TE2)
6.8k
R1494
50V
10
C1448
0
R1435
50V
10
C1418
0.1
C1004
0.1
C1451
330p
C1413
0.1
C1450
10V
470
C1001
6.8k
R1434
0.1
C1454
6.8k
R1454
1k
R1466
6.8k
R1491
CL041
6.8k
R1463
330p
C1423
50V
1
C1659
330p
C1463
JL011
6.8k
R1483
16V
100
C1461
JL009
0.47
C1002
680p
C1462
0.01
C1362
680p
C1483
0
R1472
50V
10
C1438
JL007
0
R1464
6.8k
R1497
FB1453
1k
R1436
6.8k
R1414
R1420
0
6.8k
R1495
1k
R1426
680p
C1432
0
R1484
0
R1353
FB1403
JL014
1k
R1446
CL040
R1352
0
680p
C1411
C1915
0.1
FB1405
0
R1445
0
R1425
50V
10
C1468
6.8k
R1444
0.1
C1405
680p
C1422
R1461
0
0.1
C1007
6.8k
R1492
JL008
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CNS501
15P
CN1008
3P
AGND
SL OUT
+7V
SBR OUT
SBL OUT
FL IN
AGND
FR IN
TUNER R
AGND
TUNER L
DMPORT L-
DMPORT R-
DMPORT L+
DMPORT R+
50V
10
C1428
330p
C1481
1SS367-T3SONY
D1004
CL036
1k
R1476
CL043
FB1452
220p
C1258
50V
10
C1478
0.1
C1455
0
R1471
16V
100
C1465
8765
4
3
2
1
3
2
1
IC1403
NJM4565M(TE2)
8765
4
3
2
1
3
2
1
IC1405
NJM4565M(TE2)
FB1117
0.1
C1654
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
CNS502
13P
VOL IC CLK
VOL IC DATA
VACS CTRL
PROTECTOR
+7V
-7V
FR OUT
AGND
FL OUT
SW
AGND
C OUT
SR OUT
VOL IC DATA
VACS CTRL
PROTECTOR
+7V
-7V
FR OUT
AGND
FL OUT
SW
AGND
C OUT
SR OUT
50V
22
C1006
10k
R1474
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
WM8768GEDS/R
IC1452
MODE
MCK
BCK
LRCK
DVDD
DGND
DIN1
DIN2
DIN3
DIN4
M/I2S
MC/IWL
MD/DM
MUTE
TEST_REF
VREF_N
VREF_P
VMID
VO4L_NC
VO4R_NC
VO1L
VO1R
VO2L
VO2R
VO3L
VO3R
AGND
AV
D
D
0.1
C1089
50V
10
C1402
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PCM1808PWR
IC1401
VREF
AGND
VCC
VDD
DGND
SCKI
LRCK
BCK
DOUT
MD0
MD1
FMT
VINL
VINR
8765
4
3
2
1
3
2
1
IC1404
NJM4565M(TE2)
FB1103
100
R1401
R1456
1k
JL010
0
R1427
0
R1485
10k
R1350
JL1009
JL1010
JL1011
CL038
I
O
G
TA7805S
IC1001
GND
VDD
CLINK_DET
VDD1
CLINK_RX
CLINK_TX
CLINK_TX
1
2
3
4
5
IC1012
SI-3050KM-TL
VC
VIN
GND
VOUT
SENSE
DIN2
DIN3
DIN1
DIN4
LRCK
MCK
BCK
ADC_DOUT
DIR_BCK
DACCLK/XMDACMC
DAC_DI
DAC_MUTE
DAC_A
TC
VOL_CL
VOL_DATA
VOL_DATA
PROTECTOR
TUNER_L
TUNER_R
TUNER-GND
XMCK
DIGITAL BOARD (3/3)
8CH DAC
IC1452
IC1403
AMP
IC1404
AMP
IC1405
AMP
IC1406
AMP
IC1001
+5V REG
+5V REG
IC1012
IC1401
ADC
ADC_DOUT
,DIR_BCK,
DIR_LRCK,XMCK
BCK,DIN1,DIN2,DIN3, DIN4,LRCK,MCK
DACCLK/XMDACMC,DAC_ATC,
DAC_DI,DAC_MUTE
TUNER-GND,TUNER_L,
TUNER_R
PROTECTOR,
VOL_CL,VOL_DATA
-
+
VEE
VCC
-
+
+
-
+
-
+
-
+
-
+
-
+
-
VEE
VCC
VEE
VCC
VEE
VCC
1
2
3
DMPORT
DC5V
0.7A MAX
DIR_LRCK
1
2
3
2
3
GND
DMPORT VIDEO
GND
5-16. SCHEMATIC DIAGRAM – DIGITAL Section (3/3) –
• See page 50 for IC Block Diagrams.
(Page 26)
(Page 26)
(Page 32)
(Page 35)
(Page 31)
STR-DG720
STR-DG720
34
34
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
1-875-590-
(12)
12
1-875-700- (11)
11
VIDEO BOARD
VIDEO 2 BOARD
P
B
/
C
B
P
R
/
C
R
CNP242
C211
C242
R242
JW224
R240
D211
D210
R214
C215
JW208
JW217
JW225
JW214
JW202
CL210
JW229
R224
R221
R227
JW216
JW206
JW210
JW226
JW212
C232
C233
C212
R212
VIDEO IN
SAT
-1
-2
-3
-1
-2
-3
-1
-2
VIDEO IN
DVD
VIDEO OUT
SAT IN
-3
-1
-2
DVD IN
-6
-4
-5
VIDEO 1 IN
-9
-7
Y
-8
MONITOR OUT
MONITOR
VIDEO OUT
VIDEO 1
VIDEO IN
R211
J211
J210
C213
JW231
JW203
R215
C204
C221
C223
C222
C224
C226
R223
R213
R222
R226
R225
R229
R228
J221
J220
C225
C227
C229
C228
JW227
CL220
JW207
JW219
R278
JW232
R277
R276
JW213
JW222
JW221
C202
IC202
CL089
CL085
CL087
C201
12
3
12
3
JW200
CL201
LP200
JW235
IC220
C203
JW204
IC201
CL212
C217
C240
CL221
JW205
IC210
JW215
JW211
CNP240
CNP203
CL200
LP201
JW233
CNS271
WHT
BLK
BLK
WHT
BLK
WHT
BLK
RED
3
1
1
2
6
7
1
8
1
12
1
13
24
9
16
3
4
1
COMPONENT VIDEO
BLK
WHT
RED
GRY
GRY
N
E
F
M
DIGITAL
BOARD
CN1008
CN1008
MAIN BOARD
CN500
MAIN
BOARD
CNP430
DIGITAL
BOARD
CNS509
1
5
C293 C294
CNP201
C298
C299
TP202
BLK
(CHASSIS)
J298
-1
VIDEO
-2
L
-3
R
AUDIO
VIDEO 2 IN/PORTABLE AV IN
5-17. PRINTED WIRING BOARDS – VIDEO Section –
• See page 16 for Circuit Boards Location.
•
: Uses unleaded solder.
Ref. No. Location
• Semiconductor
Location
D210
E-4
D211
E-4
IC201
E-6
IC202
E-7
IC210
E-5
IC220
F-9
(Page 30)
(Page 29)
(Page 25)
(Page 25)
STR-DG720
STR-DG720
35
35
5-18. SCHEMATIC DIAGRAM – VIDEO Section –
• See page 51 for IC Block Diagrams.
4
6
2
7
1
C
G
9
A
D
3
F
5
8
E
B
H
BOARD
DIGITAL
N
(3/3)
CN1008
M
CNS509
BOARD
DIGITAL
(2/3)
(3/3)
E
CN500
MAIN
BOARD
MAIN
BOARD
F
(1/3)
CNP430
IC B/D
IC B/D
5
-5
15.6
-16.5
0
-0.9
0
5
0
-5
0
-5
0
0
5
0
0
0
0
0
0
0
0
-1
0
-1
0
-5
0
-1
0
-1
0
5
0
0
0
Mount Mecha
153799342
LP200
50V
10
C212
50V
10
C211
50V
10
C213
50V
10
C225
50V
10
C226
50V
10
C221
50V
10
C222
50V
10
C223
50V
10
C224
50V
10
C227
50V
10
C228
50V
10
C229
1
2
3
2
3
CNP240
3P
GND
FRONT VIDEO
GND
FRONT VIDEO
GND
CL201
16V
47
C203
16V
47
C204
50V
10
C242
Mount Mecha
153799342
LP201
CL200
1
2
3
4
4P
CNP203
-15V
NC
GND
+15V
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NJM2595M-TE2
IC210
VOUT1
SW5
VIN5
SW3
VIN4
SW4
VIN3
V-
VIN2
SW2
VOUT3 (NC)
GND
VIN1
SW1
VOUT2
V+
24
23
22
21
20
19
18
7
6
5
4
3
2
1
17
16
15
14
13
8
9
10
11
12
NJM2586AM
IC220
CH1 = Y
CH2 = Pb
CH3 = Pr
CH1 IN1
SW1
CH1 IN2
SW2
CH1 IN3
GND
V+1
CH2 IN1
GND
CH2 IN2
GND
CH2 IN3
CH3 IN3
GND
CH3 IN2
V-
1
CH3 IN1
V-
2
GND
CH3 OUT
V+2
CH2 OUT
PS
CH1 OUT
0.5%
75
R229
0.5%
75
R227
0.5%
75
R228
0.5%
75
R225
0.5%
75
R226
0.5%
75
R224
MA2J1110GLS0
D211
MA2J1110GLS0
D210
C201
0.47
C202
0.47
0.5%
75
R215
0.5%
75
R213
0.5%
75
R214
0.5%
75
R212
0.5%
75
R211
50V
10
C240
0.5%
R276 75
0.5%
R277 75
0.5%
R278 75
1
2
3
4
5
6
7
2
3
4
5
6
7
7P
CNS271
COMPOSITE SW4
COMPOSITE SW3
COMPOSITE SW2
COMPOSITE SW1
COMPONENT SW1
COMPONENT SW2
PS(V-MUTE)
COMPOSITE SW3
COMPOSITE SW2
COMPOSITE SW1
COMPONENT SW1
COMPONENT SW2
PS(V-MUTE)
J221
3P
1
2
3
2
3
CNP242
3P
GND
DMPORT VIDEO
GND
DMPORT VIDEO
GND
75
R223
0.5%
75
R222
0.5%
75
R221
0.5%
0.5%
75
R242
0.5%
75
R240
0.1
C233
0.1
C232
0.1
C215
0.1
C217
I
O
COM
TA7805S
IC201
I
O
G
TA79005SB
IC202
G
J211
3P
G
J210
2P
G
J220
9P
1
TP202
TO CHASSIS
220p
C299
0.1
C294
0.1
C293
220p
C298
1
2
3
4
5
2
3
4
5
5P
CNP201
VID2_AU_L
VID2_AU_GND
VID2_AU_R
GND
FRONT VIDEO
VID2_AU_GND
VID2_AU_R
GND
FRONT VIDEO
J298
3P
VIDEO BOARD
IC210
INPUT SELECT
IC220
COMPONENT VIDEO
+5V REG
IC201
-5V REG
IC202
1
2
2
1
3
3
SELECT
SAT
VIDEO IN
DVD
VIDEO IN
VIDEO OUT
VIDEO 1
VIDEO IN
MONITOR
Y
SAT IN
DVD IN
COMPONENT VIDEO
VIDEO 1 IN
MONITOR OUT
-1
-2
-3
-1
-2
-1
-2
-3
-1
-2
-3
-4
-5
-6
-7
-8
-9
VIDEO OUT
Y
Y
Y
P
R
/C
R
P
B
/C
B
P
R
/C
R
P
B
/C
B
P
R
/C
R
P
B
/C
B
P
R
/C
R
P
B
/C
B
VIDEO 2 BOARD
AUDIO
VIDEO
VIDEO 2 IN/PORTABLE AV IN
-1
-2
-3
L
R
(Page 26)
(Page 33)
(Page 32)
(Page 28)
STR-DG720
STR-DG720
36
36
5-19. PRINTED WIRING BOARD – HDMI RE Section (1/2) –
• See page 16 for Circuit Boards Location.
•
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
DCDC
CONVERTER
BOARD
CN4101
CN4101
T
DIGITAL
BOARD
CNS512
O
CN3504
OUT
SAT IN
DVD IN
BD IN
CN3510
Q3504
IC3513
C3548
C3570
C3571
C3572
C3573
R3585
R3586
R3587
R3588
R3589
R3590
R3591
R3592
R3599
R3799
FB3501
R3600
FB3513
S1
G1
D2
D1
G2
S2
FB3514
R3634
JL3563
JL3565
JL3566
IC3526
IC3527
IC3528
C3576
C3579
C3580
C3584
C3585
C3586
C3590
C3594
R3784
JL3604
JL3606
JL3614
C3621
FB3506
R3613
R3624
R3625
R3633
IC3516
JL3593
JL3594
JL3595
JL3596
JL3597
C3591
C3593
R3593
JL3605
JL3609
JL3610
JL3612
JL3613
JL3615
JL3616
JL3618
JL3620
JL3622
C3625
1
5
R3612
R3615
R3622
ET3503
R3660
CN3509
CN3511
D3501
D3502
IC3519
JL3588
JL3589
JL3590
JL3591
JL3592
R3570
R3798
JL3607
JL3608
JL361
1
JL3617
JL3619
JL3621
JL3623
X3502
R3608
C3634
C3635
R361
1
JL3506
JL3507
JL3508
C3501
C3509
C3530
IC3501
IC3504
D3511
C3535
IC3511
C3544
R371
1
Q3506
Q3505
B C E
B C E
R3712
R3713
C3547
R3714
R3535
R3536
R3544
R3545
R3750
R3564
R3565
R3566
R3567
C3596
RB3501
RB3502
RB3503
RB3504
RB3505
RB3506
FB3503
FB3509
C3627
1
19
19
1
R3661
R3662
CN3501
CN3502
R3509
IC3503
D3512
R351
1
R3512
1
19
R3663
CN3503
R3780
R3514
R3779
R3513
R3744
R3745
C3519
R3548
R3552
R3556
FB3502
FB3508
FB3512
C3633
R3550
R3554
C3644
R3549
R3551
FB3510
FB351
1
C3538
C3540
R3546
C3575
R3741
R3563
X3501
FB3505
C3574
FB3504
R3614
C3643
R3621
R3623
1
1
5
4
1
3
2
3
1
2
5
1
1
20
41
60
80
61
21
40
41
60
1
20
40
21
64
33
32
8
14
9
16
8
1
7
1
1
1
25
75
51
26
50
100
76
65
96
97
128
61
80
5
7
1
19
HDMI
1
2
17
16
HDMI RE BOARD
(SIDE A)
(SIDE A)
BLU
GR
Y
GR
Y
GR
Y
GR
Y
1-872-722-
(11)
11
Ref. No. Location
• Semiconductor
Location
Location
(Side
A)
D3501
G-3
D3502
G-3
D3511
E-3
D3512
E-2
IC3501 E-3
IC3503 C-4
IC3504 F-3
IC3511 E-4
IC3513 C-8
IC3516 H-9
IC3519 H-4
IC3526 G-6
IC3527 H-8
IC3528 G-8
IC3503 C-4
IC3504 F-3
IC3511 E-4
IC3513 C-8
IC3516 H-9
IC3519 H-4
IC3526 G-6
IC3527 H-8
IC3528 G-8
Q3504 B-7
Q3505 E-2
Q3506 E-2
Q3505 E-2
Q3506 E-2
Note: When IC3511 and IC3513 on the HDMI RE board
are damaged, exchange the new HDMI RE board
for the HDMI RE board which IC damaged.
for the HDMI RE board which IC damaged.
(Page 45)
(Page 29)
Click on the first or last page to see other STR-DG720 service manuals if exist.