Sony STR-DH740 (serv.man2) Service Manual ▷ View online
STR-DH740
STR-DH740
29
29
5-14. SCHEMATIC DIAGRAM – DIGITAL Board (6/7) –
• See page 21 for Waveforms. • See page 51 for IC Pin Function Descriptions.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL BOARD
(6/7)
1.2 1.2 1.2 1.2 1.2 1.2 3.3 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2
3.3 1.2
0
0
0
1.7 0
0
0
1.7 0
0
5
5
3.3 0
0
1.2 3.3 1.5 1.5
0
0
0
5
1.2 3
0
0
0
0
0
0
0
0
0
0
0
0
3.3
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
3.3
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.6
1.6
3.3
3.3
3.3
0
0
0
0
2
0.5
2.2
1.2
3.3
1.5
1.5
1.6
1.6
1.6
1.5
0.6
0.6
1.2
1.2
1.2
1.2
1.2
0
0
6
5
3.1
3.3
3.3
3.3
2
1.2
0.8
3.3
0
0
0
3.3
5
6
5.4
IN2_D2+
IN2_D2-
IN2_D1+
IN2_D1-
IN2_D0+
IN2_D0-
IN2_CK+
IN2_CK-
IN3_D2+
IN3_D2-
IN3_D1+
IN3_D1-
IN3_D0+
IN3_D0-
IN3_CK+
IN3_CK-
IN4_D2+
IN4_D2-
IN4_D1+
IN4_D1-
IN4_D0+
IN4_D0-
IN4_CK+
IN4_CK-
IN2_SDA
IN2_SCL
IN2_HPD
IN2_5VP
IN1_SCL
IN1_SDA
IN1_HPD
IN1_5VP
IN3_D2-
IN3_D2+
IN3_CK-
IN3_CK+
IN3_D0-
IN3_D0+
IN3_D1-
IN3_D1+
IN2_CK-
IN2_CK+
IN2_D0-
IN2_D0+
IN2_D1-
IN2_D1+
IN2_D2-
IN2_D2+
IN2_CK+
IN2_D0-
IN2_D0+
IN2_D1-
IN2_D1+
IN2_D2-
IN2_D2+
IN4_SDA
IN4_SCL
IN4_HPD
IN4_SCL
IN4_HPD
IN1_CK-
IN1_CK+
IN1_D0-
IN1_D0+
IN1_D1-
IN1_D1+
IN1_D2-
IN1_D2+
IN1_CK+
IN1_D0-
IN1_D0+
IN1_D1-
IN1_D1+
IN1_D2-
IN1_D2+
IN3_HPD
IN3_SCL
IN3_SDA
IN1_SDA
IN1_SCL
IN1_HPD
SP_WS
SP_SCK
SP_SD0
SP_MCK
SP_SD1
SP_SD2
SP_SD3
SP_SPDIF
IN1_D2+
IN1_D2-
IN1_D1+
IN1_D1-
IN1_D0+
IN1_D0-
IN1_CK+
IN1_CK-
IN3_SDA
IN3_SCL
IN4_SDA
IN4_5VP
IN4_CK-
IN4_CK+
IN4_D0-
IN4_D0+
IN4_D1-
IN4_D1+
IN4_D2-
IN4_D2+
IN4_HPD
IN3_HPD
IN3_5VP
IN2_SDA
SF_CS
SF_SCK
SF_SO
SF_SI
RX_Mute
HDMI_SCK
HDMI_SDA
Sparta_INT
HDMI_SDA
Sparta_INT
ARC_SPDIF
IN2_HPD
IN2_SCL
OUT0_SCL
OUT0_SDA
OUT0_SDA
OUT0_HPD
OUT0_CK-
OUT0_CK+
OUT0_D0-
OUT0_D0+
OUT0_D1-
OUT0_D1+
OUT0_D2-
OUT0_D2+
IN4_5VP
IN3_5VP
IN2_5VP
IN1_5VP
IN4_SCL
5VPWR_A
OUT0_D2+
OUT0_D2-
OUT0_D1+
OUT0_D1-
OUT0_D0+
OUT0_D0-
OUT0_CK+
OUT0_CK-
OUT0_HPD
OUT0_SDA
OUT0_SCL
JL3513
47k
R3522
FB3501
220ohm
JL3514
47k
R3520
47k
R3523
47k
R3524
4.7k
R3582
4.7k
R3600
4.7k
R3597
4.7k
R3595
FB3503
470ohm
100
R3618
47
R3616
47
R3629
47
R3628
47
R3627
47
R3626
47
R3623
47
R3620
47
R3637
4.7k
R3599
JL3516
10k
R3591
4.7k
R3583
47
R3590
47
R3589
FB3504
30ohm
FB3505
220ohm
JL3518
0
R3508
0
R3509
22
R3518
22
R3519
0
R3506
0
R3507
22
R3516
22
R3517
0
R3504
0
R3505
22
R3515
22
R3510
0
R3503
22
R3513
22
R3514
0
R3636
R3640
0
R3643
0
R3644
0
R3645
0
R3646
0
R3619
0
R3622
0
R3606
0
IC3508
RP108J081D-FE
130k
R3624
C3549
3p
C3550
3p
L3500
10uH
R3632
0
220
R361
1
47
R3612
47
R3613
220
R3615
10k
R3594
JL3523
JL3525
JL3526
JL3527
JL3519
220
R3621
2.2k
R3578
2.2k
R3576
3.3k
R3573
4
0
R3572
10
R3588
10
R3601
10
R3598
10
R3596
CN3501
DATA2+
DATA2 SHIELD
DATA2-
DATA1+
DATA1 SHIELD
DATA1-
DATA0+
DATA0 SHIELD
DATA0-
CLOCK+
CLOCK SHIELD
CLOCK-
CEC
RESERVE(NC)
SCL(5V)
SDA(5V)
DDC/CEC GND
+5V POWER
HOT PLUG DET
CN3502
19P
19P
DATA2+
DATA2 SHIELD
DATA2-
DATA1+
DATA1 SHIELD
DATA1-
DATA0+
DATA0 SHIELD
DATA0-
CLOCK+
CLOCK SHIELD
CLOCK-
CEC
RESERVE(NC)
SCL(5V)
SDA(5V)
DDC/CEC GND
+5V POWER
HOT PLUG DET
CN3503
19P
DATA2+
DATA2 SHIELD
DATA2-
DATA1+
DATA1 SHIELD
DATA1-
DATA0+
DATA0 SHIELD
DATA0-
CLOCK+
CLOCK SHIELD
CLOCK-
CEC
RESERVE(NC)
SCL(5V)
SDA(5V)
DDC/CEC GND
+5V POWER
HOT PLUG DET
CN3504
19P
1
DATA2+
2
MHL_MD0
3
DATA2-
4
DATA1+
5
DATA1 SHIELD
6
DATA1-
7
DATA0+
8
DATA0 SHIELD
9
DATA0-
10
CLOCK+
11
CLOCK SHIELD
12
CLOCK-
20
21
13
CEC
14
RESERVE(NC)
15
SCL(5V)
16
SDA(5V)
17
DDC/CEC GND
18
+5V POWER
19
HOT PLUG DET
22
23
+6V
+2V
+3.3V
+5V
CEC
1k
R3593
DGND
C3534
1
C3533
10
C3530
1
C3569
1
CN3200
19P
1
DATA2+
2
DATA2 SHIELD
3
DATA2-
4
DATA1+
5
DATA1 SHIELD
6
DATA1-
7
DATA0+
8
DATA0 SHIELD
9
DATA0-
10
CLOCK+
11
CLOCK SHIELD
12
CLOCK-
20 21
13
CEC
14
RESERVE(NC)
15
SCL(5V)
16
SDA(5V)
17
DDC/CEC GND
18
+5V POWER
19
HOT PLUG DET
22
0
R3373
C3363
1
RB3204
0
RB3205
0
1k
R3380
47k
R3376
47k
R3377
1.8k
R3386
1.8k
R3387
C3358
1
300
R3370
62
R3372
62
R3374
C3364
1
10k
R3584
10k
R3585
0
R3579
0
R3502
JL3228
C3359
1
JL3225
IC3500
MM1839A50NRE
1 CONT
2 GND
3 NC
2 GND
3 NC
4
VOUT
5
VIN
X3501
27MHz
1
2
0
R3602
1
2
3
4
2
3
4
6
5
2.2k
R3647
3.3k
R3648
10
C3561
CE
VDD
GND
VOUT
VFB
VDD
GND
VOUT
VFB
BodyGnd
1k
R3642
10
C3556
C3570
0.01
C3531
1
C3361
1
D3501
CES521
JL3515
0
R3805
1
D14
2
D15
3
D16
4
D17
5
D18
6
D19
7
DE
8
VSYNC
9
HSYNC
10
R0XC-
11
R0XC+
12
R0X0-
13
R0X0+
14
R0X1-
15
R0X1+
16
R0X2-
17
R0X2+
18
AVDD12
19
AVDD33
20
R1XC-
21
R1XC+
22
R1X0-
23
R1X0+
24
R1X1-
25
R1X1+
26
R1X2-
27
R1X2+
28
R2XC-
29
R2XC+
30
R2X0-
31
R2X0+
32
R2X1-
33
R2X1+
34
R2X2-
35
R2X2+
36
AVDD12
37
CVCC12
38
AVDD33
39
R3XC-
40
R3XC+
41
R3X0-
42
R3X0+
43
R3X1-
44
R3X1+
R3X2-
R3X2+
R4XC-
R4XC+
R4X0-
R4X0+
R4X1-
R4X1+
R4X2-
R4X2+
AVDD12
AVDD33
RX5C-
RX5C+
RX50-
RX50+
RX51-
RX51+
RX52-
RX52+
CVCC12
CSCL
CSDA
INT
RESET
TPWR_CI2CA
CEC_A1
CEC_A0WAKEUP
DSDA6
DSCL6
LPSVCC33
DSDA0
DSCL0
CBUS_HPD0
R0PWR5V
DSDA1
DSCL1
CBUS_HPD1
R1PWR5V
DSDA2
DSCL2
CBUS_HPD2
R2PWR5V
DSDA3
R3X2+
R4XC-
R4XC+
R4X0-
R4X0+
R4X1-
R4X1+
R4X2-
R4X2+
AVDD12
AVDD33
RX5C-
RX5C+
RX50-
RX50+
RX51-
RX51+
RX52-
RX52+
CVCC12
CSCL
CSDA
INT
RESET
TPWR_CI2CA
CEC_A1
CEC_A0WAKEUP
DSDA6
DSCL6
LPSVCC33
DSDA0
DSCL0
CBUS_HPD0
R0PWR5V
DSDA1
DSCL1
CBUS_HPD1
R1PWR5V
DSDA2
DSCL2
CBUS_HPD2
R2PWR5V
DSDA3
89
DSCL3
90
CBUS_HPD3
91
R3PWR5V
92
DSDA4
93
DSCL4
94
CBUS_HPD4
95
R4PWR5V
96
RSVDL
97
DSDA5
98
DSCL5
99
CBUS_HPD5
100
R5PWR5V
101
SBVCC5V
102
VCC33OUT
103
MHL_CD0/GPIO0
104
MHL_CD1/GPIO1
105
TX_HPD0
106
TXDSDA0
107
TXDSCL0
108
TX_HPD1
109
TXDSDA1
110
TXDSCL1
111
APLL12
112
XT
AL
VCC33
113
XT
ALIN
114
XT
ALOUT
115
XT
ALGND
116
CVCC12
117
SS/GPIO2
118
SCLK/GPIO3
119
SD0/GPIO4
120
SD1/GPIO5
121
WS0_OUT/DR0
122
SCK0/DDCK
123
IOVCC33
124
SD0_0/DL0
125
MCLK
126
SD0_1/DR1/GPIO6
127
SD0_2/DL1/GPIO7
128
SD0_3/DR2/GPIO8
129
MUTEOUT/GPIO9
130
SPDIF0_OUT/DL2
131
WS0_IN/GPIO1
1
132
SCK0_IN/GPIO10
133
SD0_IN/SPDIFO_IN
134
SCK1_IN/SCK1_OUT
135
WS1_IN/WS1_OUT
136
SD1_IN/SD1_OUT/SPDIF1_IN/SPDIF1_OUT
137
ARC0
138
ARC1
139
CVCC12
140
TPVDD12
141
TDVDD12
142
T1XC-
143
T1XC+
144
T1X0-
145
T1X0+
146
T1X1-
147
T1X1+
148
T1X2-
149
T1X2+
150
TPVDD12
151
TDVDD12
152
T0XC-
153
T0XC+
154
T0X0-
155
T0X0+
156
T0X1-
157
T0X1+
158
T0X2-
159
T0X2+
160
CVCC12
161
D0
162
D1
163
D2
164
D3
165
D4
166
D5
167
D6
168
D7
169
D8
170
D9
171
D10
172
IDCK
173
IOVCC33
174
D11
175
D12
176
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
D13
IC3503
MM3411A50NRE
1 VDD
2 GND
3 CE
2 GND
3 CE
4
NC
5
VOUT
ADV8003_SPI_DIN
SPSF_SPI_CS
ADV8003_SPSF_DOUT
ADV8003_SPSF_SCK
SF_CS
SF_SO
SF_SCK
SF_SI
10k
R3556
10k
R3560
0.1
C3513
10k
R3552
1k
R3555
10k
R3551
10k
R3549
IC3502
W25Q16CVSSIG-R
1 /CS
2 DO
3 /WP
4 GND
5
DI
6
SCK
7
/HOLD
8
VCC
100
R3625
C3566
220 6.3V
C3567
220 6.3V
C3558
0.1
C3559
0.1
C3555
0.1
C3557
0.1
C3554
0.1
C3563
10
C3564
10
C3562
10
C3551
10
C3541
10
C3560
10
C3565
10
C3517
4.7
C3568
4.7
C3532
4.7
C3527
4.7
C3525
4.7
C3516
4.7
C3546
0.1
C3542
0.1
C3544
0.1
C3543
10
C3545
10
C3529
0.1
C3528
0.1
C3526
0.1
C3523
0.1
0.1
C3552
0.1
C3553
0.1
C3548
0.1
C3540
0.1
C3538
10
C3536
0.1
C3518
0.1
C3519
0.1
C3578
0.001
R3365
10k
23
C3520
19
IC3506
SII9573CTUC
HDMI RECEIVER
IC3506
+5V REG.
IC3500
EEPROM
IC3502
+1.2V REG.
IC3508
+5V REG.
IC3503
BD IN 4K
HDMI
GAME IN 4K
DVD IN
TV OUT
ARC
HDMI
15
DIGITAL
BOARD
(5/7)
(Page 28)
14
DIGITAL
BOARD
(3/7)
(Page 26)
5
DIGITAL
BOARD
(1/7)
(Page 24)
8
SAT/CATV IN
4K
Note: IC3506 on the DIGITAL board cannot exchange with
single. When this part on the DIGITAL board is damaged,
exchange the entire mounted board.
exchange the entire mounted board.
Ver. 1.2
STR-DH740
STR-DH740
30
30
5-15. SCHEMATIC DIAGRAM – DIGITAL Board (7/7) –
• See page 21 for Waveforms. • See page 46 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL BOARD
(7/7)
1.6 3.3 3.1 0
0
0
0
3.1
6
5
0.4
3.1
3.1
3.3
3.3
3.3
1.4
1.4
3.3
0
0
5
1
0
0
3.3
3.3
3.3
3.3
1.6
3.3
3.3
5
3.1
USB_SCL
USB_RESET
USB_SDA
USB_PCONT
USB_OVC
USB_BUSY
USB_MCHNG
USB_SEARCH
USB_IRPT
O
C4002
2.2
IC4102
BD00HC5WEFJ-E2
1
2
3
4
5
6
7
8
9
CL4001
100k
R4006
D4000
CES521
+6V
1k
R4007
C4004
0.1
10k
R4009
DGND
IC4101
TPS2553DBVR
1 Vin
2 GND
3 EN
4
FAULT
5
ILIM
6
Vout
0
R4002
10k
R4008
10k
R4010
10k
R4001
C4001
2.2
CL4000
JL4100
10k
R4100
10k
R4101
10k
R4102
10k
R4103
JL4101
JL4102
JL4103
JL4104
12k
R4104
JL4106
JL4105
VD4101
VD4100
C4105
220 6.3V
1M
R4106
C4106
9p
C4107
9p
1.5k
R4105
X4100
16.9344MHz
1
2
330
R4108
330
R41
10
100
R41
15
10k
R41
16
0.1
C41
10
FB4100
470ohm
USB_SPDIF
+3.3V
JL4107
470
R4117
FB4000
0uH
RB4000
100
CL4002
CL4003
CL4003
IC4100
BU94502AMUV
1
DVSSIO
2
RESETX
3
TMODE
4
KEY_COL1/IRPT
O
5
KEY_COL2/SEARCH
6
KEY_COL3/MCHNG
7
KEY_ROW1/BUSY
8
KEY_ROW2/SCL
9
KEY_ROW3/SDA
10
DVDD_M
DVSSIO
DVDDIO
TEST1
XIN_PLL
XOUT_PLL
TEST2
DVDDIO
TEST1
XIN_PLL
XOUT_PLL
TEST2
17 SEL_COD/TEST3
SEL_SLAVE
AVDDC
AVSSC
AVDDC
AVSSC
21
USBDM
22
USBDP
23
REXTI
24
LED_ERROR/CLK24MI
25
LED_PLA
Y/LRCK/SPDIF
26
LED_PSD/BCK
27
LED_PUSB/DA
TA
28
LED_REPEA
T/MCLK
29
DVDDIO
30
AMUTE
31
DAVSS
32
RDACO
33
VCDACO
34
LDACO
35
DAVDD
36
SD_CON
37
SD_DO
38
SD_CLK
39
SD_DI
40
20
19
18
16
15
14
13
12
11
SD_CS
CN4000
5P
GND
D+
D-
VBUS
GND
1
2
3
4
5
150k
R4183
560k
R4187
68k
R4003
4.7k
R4004
12k
R4005
C4111
10
C4005
10
C4003
10
C4101
10
C4108
0.1
C4112
68p
C4113
68p
C4102
0.1
C4000
0.1
C4100
0.1
C4109
0.1
C4104
0.1
C4103
0.001
EN
VIN
FB
NC
VOUT
NC
GND
NC
FIN
20
POWER
CONTROL
IC4102
OVER VOLTAGE
CONTROL
IC4101
DECODER
IC4100
H
FRONT JACK PWB
BOARD
CN104
(Page 43)
16
DIGITAL
BOARD
(5/7)
(Page 28)
1
DIGITAL
BOARD
(1/7)
(Page 24)
9
IC B/D
IC B/D
Ver. 1.2
Note: IC4100 on the DIGITAL board cannot exchange with single.
When this part on the DIGITAL board is damaged, exchange
the entire mounted board.
the entire mounted board.
STR-DH740
STR-DH740
31
31
5-16. PRINTED WIRING BOARD – MAIN Board (Component Side) –
• See page 14 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
O
I
IC352
IC2354
1
3
6
4
IC2352
VCC
OUT GND
VCC
OUT GND
IC2351
O
I
IC350
HS921
Q850
Q851
Q852
E
E
R600
R601
R603
L650
R604
R605
R606
15
CNP920
R608
D570
R800
D571
R801
D572
R803
Q670
L850
R610
R804
R611
R805
Q672
R612
R806
R613
Q674
R808
Q675
R616
R617
D770
1
5
CNP930
D771
D772
Q870
R810
R811
Q872
R812
R813
Q874
R620
Q875
R621
LP401
R622
R816
R623
R817
R624
R625
R626
R627
C203
R628
R629
R820
R821
R822
R823
R824
R825
R826
R827
R828
R829
R251
R252
R449
C603
R450
C803
C610
C612
C613
R650
C808
R651
R653
R654
C618
R655
R656
R658
C810
C812
C813
R850
C620
R851
R853
R660
R854
R661
R855
R662
R856
R663
R858
R666
R667
C820
R860
R861
C631
R862
C633
R863
R670
R671
C635
R672
R866
R673
R867
R674
C250
R675
R676
R677
R678
R679
TH251
C831
TH252
C832
R870
R871
C835
R872
R873
R874
R875
R876
R877
R878
F910
R879
F911
F912
F913
C653
C658
C2351
C853
C660
C2354
C662
C663
C858
Q700
Q701
Q702
E
C860
C863
C670
Q325
E
L700
C870
C2371
RR11
C2372
RR12
C2373
RR13
C2374
D620
RR14
C681
D621
RR15
C683
D622
RR17
Q720
RR18
C685
R2351
Q722
R2354
Q724
Q725
D820
C881
D821
C882
D822
C885
J402
Q550
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
Q551
Q552
R302
Q750
Q751
Q752
L550
R310
R31
1
R312
R313
R315
R700
R701
R703
Q570
L750
R704
R705
Q572
R706
Q574
R708
Q575
D670
D671
R325
D672
R326
R327
Q770
R328
R710
R711
Q772
R712
R713
Q774
Q775
R716
R717
FB2890
D870
D871
R332
D872
R720
R721
R722
R723
R724
R725
C301
R726
R727
R728
R729
R920
C503
C310
1
2
17
16
CN201
1
C31
1
R542
R543
1
2
25
24
CN2014
R351
1
2
25
24
CN2015
R356
C703
R550
C320
C708
R551
C322
R553
C323
R554
R361
R555
C325
R556
R558
C710
R365
C712
C713
R750
R751
R753
R560
R754
R561
R755
R562
R756
R563
R758
R566
C912
R567
C913
C720
R377
R760
R761
R762
R763
R570
R571
RY301
R572
R766
R573
R767
R574
R575
R576
R577
R578
R579
C731
C732
R770
R771
C735
R772
R773
R774
C350
R775
C351
C545
R776
C352
C546
R777
C353
C547
R778
C354
R779
C355
C931
GP801
C932
C933
C358
C359
C553
C558
C753
C560
C563
C758
Q600
1
4
CN391
Q601
Q602
E
C760
C762
C763
C570
Q800
Q801
Q802
RY920
L600
RY921
C770
C581
C582
RY350
Q620
L800
C585
Q622
Q624
RY355
Q625
D720
C781
D721
C782
D722
Q820
C785
Q822
RY360
Q824
Q825
RY365
D921
D352
D356
Q650
Q651
Q652
C836
C736
C636
C886
C786
C686
C586
R381
R382
R383
R384
R385
R386
R387
C930
J401
TB501
TB502
TB503
Q553
E
E
Q703
E
Q603
E
Q753
Q653
Q803
Q853
ET301
D326
D327
C2370
L610
L612
C634
L660
L662
C684
W003
Q281
R282
C281
Q283
Q282
E
E
C283
R281
C282
J218
C564
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
C862
W002
W001
+
L
FRONT A
CENTER
R
–
+
–
+
–
L
SURROUND
SPEAKERS
R
L
SURROUND BACK/ BI-AMP
FRONT HIGH/ FRONT B
R
I
POWER
TRANSFORMER
(MAIN)
T901
(Page 41)
J
POWER
TRANSFORMER
(MAIN)
T901
(Page 41)
K
HEADPHONE
BOARD
CN107
(Page 45)
H
DIGITAL BOARD
CN2000
(Page 22)
G
DIGITAL BOARD
CN2001
(Page 22)
E
DIGITAL BOARD
CN2002
(Page 22)
1-887-628-
11
(11)
+
–
+
–
(CHASSIS)
(CHASSIS)
(CHASSIS)
+
–
+
–
(CHASSIS)
(CHASSIS)
(CHASSIS)
OPTICAL
IN 2
(TV ASSIGNABLE)
IN 1
(SAT/CATV
ASSIGNABLE)
MAIN BOARD
(COMPONENT SIDE)
(CHASSIS)
(CHASSIS)
VIDEO
MONITOR
OUT
VIDEO
VIDEO IN
AUDIO
SA-CD/
CD IN
VIDEO
SAT/
CATV IN
AUDIO
SAT/
CATV IN
AUDIO
VIDEO IN
AUDIO
SA-CD/
CD IN
AUDIO
SAT/
CATV IN
AUDIO
VIDEO IN
L
R
L
R
AUDIO
TV IN
AUDIO
SUBWOOFER
OUT
AUDIO
TV IN
AUDIO
SUBWOOFER
OUT
Ver. 1.1
STR-DH740
STR-DH740
32
32
5-17. PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
• See page 14 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC410
IC413
IC411
IC412
IC400
1
61 60
20 21
80
41
40
O
I
IC351
CC64
Q654
E
CC65
D365
Q655
E
R401
CC66
R403
D750
D751
R21
1
R213
R407
R408
R215
Q854
E
Q855
R602
D375
R607
R609
R802
R807
R614
R615
R809
R618
R619
R814
R815
R818
R819
C208
R631
C401
R632
R633
R634
C210
R831
C601
R832
R833
R834
C604
C605
C606
C221
R451
R453
C801
R457
R458
C804
C805
C806
C421
R652
C422
C423
C424
C425
C426
R657
C427
C428
R659
R852
R857
R664
C628
R665
R859
R668
R669
R864
C828
R865
R868
R869
C449
CL337
CL338
C641
CL339
C642
C450
R681
R682
R683
R684
CL340
CL341
CL344
CL345
C841
C842
CL348
R881
C651
R882
R883
R884
C654
C655
C656
CL350
CL351
CL354
CL355
C851
CL356
CL357
CL358
C854
D600
CL359
C855
D601
C856
CL360
Q704
E
CL361
Q705
E
CL362
CL363
CL364
Q320
E
E
E
E
E
D800
CL365
Q321
D801
CL366
CL367
Q323
CL368
Q324
CL369
C678
CL370
CL371
CL372
C487
CL373
CL374
C489
CL375
CL376
CL377
CL378
CL379
C878
CL380
CL381
CL382
CL383
CL384
C499
CL385
CL386
CL387
CL388
C691
CL389
C692
CL390
CL391
CL392
CL393
CL395
C891
CL396
C892
CL397
CL398
CL399
Q554
E
Q555
E
R301
D650
R304
D651
R307
R308
R309
Q754
E
E Q755
D850
D851
R702
R707
R320
R709
R323
R714
R715
R718
R719
R531
R532
R533
R534
R921
R731
R925
R732
R733
R734
C505
C506
R350
R544
R353
R355
C701
R358
C704
C705
C706
CL400
CL401
R552
CL402
CL403
R360
CL404
CL405
CL406
R363
R557
CL407
CL408
CL215
R559
CL409
CL216
R366
R367
CL217
CL218
CL219
R752
CL410
CL411
CL412
R757
CL413
R564
CL220
CL414
C910
R565
R759
CL221
CL415
C91
1
CL222
CL416
CL223
CL417
R568
CL418
CL419
R375
R569
CL225
R378
R764
C728
R765
R768
R769
CL234
CL235
CL236
CL237
CL238
CL239
R581
R582
R583
CL240
R584
C548
CL241
CL242
R392
R393
C357
R394
C934
R395
C741
C935
C742
R781
C551
R782
R783
R784
C554
C555
CC01
D301
C556
CC03
CC07
CC08
C751
CL257
CL258
C754
C755
C756
JL2868
JL2869
CC1
1
CC12
CC13
CC14
Q604
E
CC15
Q605
E
CC17
JL2870
CC18
D700
JL2871
D701
Q804
E
E
Q805
C578
C778
D910
D911
D912
D913
C591
C592
D536
D920
C791
C792
D350
CC51
CC53
D355
CC57
CC58
D550
D551
CC60
D360
CC61
CC62
CC63
R547
R548
R549
CL438
CL421
CL246
CL435
CL442
CL420
CL245
CL441
CL431
CL437
CL427
CL423
CL440
CL430
CL434
CL433
CL425
CL651
CL701
CL850
CL652
CL552
CL751
CL550
CL650
CL802
CL702
CL750
CL800
CL752
CL551
CL852
CL602
CL700
CL851
CL601
CL801
CL600
CL247
CL230
CL232
CL231
CL226
CL229
CL227
CL228
CL224
CL233
C284
Q301
Q920
E
Q350
E
Q355
E
E
Q360
E
E
Q365
E
Q375
E
MAIN BOARD
(CONDUCTOR SIDE)
1-887-628-
11
(11)
Click on the first or last page to see other STR-DH740 (serv.man2) service manuals if exist.