Sony STR-DH550 / STR-DH750 Service Manual ▷ View online
STR-DH550/DH750
STR-DH550/DH750
29
29
5-14. SCHEMATIC DIAGRAM – MAIN Board (6/7) –
• See page 21 for Waveforms.
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
MAIN BOARD (6/7)
3.3
3.3
4
1.2
3.3
3.3
3.3
1.2
1.2
1.2
0
1.2
3.3
1.2
0
0
0
0
1.2 3.3 1.7 1.2 0
1.2 0
1.6 1.6 1.6 0
1.2 1.2 1.2 1.2 1.2
1.5 1.4 3.3 1.2 1.2 1.2 1.2
1.2
0
1.2
1.2
3.1
0
1.2
0.7
3.3
1.2
0
1.2
3.8
1.2
3.3
3.3 1.2 3.3 3.2 3
1.2 3.2 1.2 1.2 3.3 1.6 1.6 1.2 0
3
1.2 3.3 3.2 0
1.2
2
1.2
0.8
3.3
3.3
3.3
3.3
3.3 0.1 3.3 3.3
SL/SR-IN
DSP-SPICLK
DSP-MISO
DSP-MOSI
DSP-SPICS
C/SW-IN
LRCLK-IN
C/SW-OUT
LRCLK-OUT
SBL/SBR-IN
SL/SR-OUT
BCLK-IN
BCLK-IN
SBL/SBR-OUT
DSD-IN
MCLK-IN
BCLK-OUT
DSP-NPCM
DSP-ERROR
DSP-INT
L/R-OUT
DIR-IN
C2409
0.1u
C2410
0.1u
R2410
22
R2417
22
R2418
22
R2422
22
R2424
22
R2419
22
C2412
0.1u
C2418
0.1u
R2426
22
C2421
0.1u
C2422
0.1u
C2424
0.1u
C2426
0.1u
C2427
0.1u
C2428
0.1u
C2430
0.1u
FB2400
0uH
R2415
220
R2421
330
R2429
100
R2431
100
C2419
22p
C2400
10u
C2454
10u
C2445
10u
C2448
10u
C2402
0.1u
C2406
0.1u
C2407
0.1u
C2408
0.1u
C2403
0.1u
C2404
0.1u
C2405
0.1u
R2401
22
R2402
220
R2404
220
R2405
220
R2403
22
C2401
0.1u
C2415
10p
C2444
0.1u
C2451
0.1u
C2439
0.1u
C2440
0.1u
C2432
0.1u
C2433
0.1u
C2434
0.1u
C2441
0.1u
R2439
22
R2440
22
R2437
0
R2438
0
C2438
0.1u
C2437
0.1u
C2435
0.1u
C2436
0.1u
C2452
0.1u
C2453
0.1u
C2450
220u
10V
CL2405
CL2406
+2V
3.3V
FB2402
0uH
FB2404
0uH
JL2402
JL2409
JL2408
JL2405
JL2403
JL2407
JL2411
JL2412
JL2401
JL2406
JL2410
JL2404
IC2400
ADSST-AVR-3045
1
VDD_INT
2
CLK_CFG1
3
BOOT_CFG0
4
VDD_EXT
5
VDD_INT
28
RESET_MAIN
29
VDD_INT
30
UART_OUT
71
VDD_THD
72
VDD_INT
73
VDD_INT
74
VDD_INT
75
VDD_INT
96
TCK
97
VDD_INT
98
RESET
99
TMS
100
VDD_INT
26
VDD_EXT
27
DPI_P08
6
BOOT_CFG1
7
GND
8
NC
9
NC
10
CLK_CFG0
11
VDD_INT
12
CLKIN
31
UART_IN
32
LED
33
DPI_P12
34
DPI_P13
35
DAI_P03
36
DPI_P14
37
VDD_INT
66
VDD_INT
67
VDD_INT
68
GND
69
THD_M
70
THD_P
64
VDD_INT
65
DIR_IN
91
EMU
92
TDO
93
VDD_EXT
94
VDD_INT
95
TDI
89
MLBSO
90
TRST
13
XTAL
14
VDD_EXT
15
VDD_INT
16
VDD_INT
17
RESETOUT/RUNRSTIN
18
VDD_INT
19
MOSI
20
MISO
21
SPICLK
22
VDD_INT
23
DPI_P05
24
DSP_CS
25
MD
38
VDD_INT
39
VDD_INT
40
SL/SR_IN
41
SL/SR_OUT
42
BCLK_IN
43
OPTION_L/OPTION_R_OUT
44
FRONTHI_L/R_OUT
45
VDD_INT
46
VDD_EXT
47
VDD_INT
48
L/R_OUT
49
MID/SW2_OUT
50
SBL/SBR_OUT
52
VDD_INT
53
VDD_EXT
54
MCLK_IN
55
VDD_INT
56
C/SW1_OUT
57
A/D_2CH
58
C/SW_IN
59
LRCLK_IN
60
BCLK_OUT
61
LRCLK_OUT
62
SBL/SBR_IN
63
L/R_IN
51
ZONE_L/R
77
FLAG0
78
VDD_INT
79
VDD_INT
80
FLAG1
81
FLAG2
82
FLAG3
83
MLBCLK
84
MLBDAT
85
MLBDO
86
VDD_EXT
87
MLBSIG
88
VDD_INT
76
VDD_INT
101
10k
R2443
10k
R2444
3.9k
R2455
100k
R2446
330
R2420
10k
R2458
1M
R2425
100
R2400
10k
R2407
10k
R2406
1k
R2423
22
R2408
22
R2409
22
R2412
0.1u
C2411
0.1u
C2413
0.1u
C2414
0.1u
C2416
0.1u
C2417
0.1u
C2420
10k
R2427
10k
R2432
10k
R2434
22
R2414
22
R2416
0.1u
C2423
0.1u
C2425
0.1u
C2429
10u
C2431
22
R2430
1k
R2447
10k
R2411
10k
R2413
10k
R2457
220
R2456
2.2k
R2445
X2400
25MHz
D-GND
IC2402
BD00IC0WHFV-GTR
1
VO
2
FB
3
GND
4
EN
5
NC
6
VCC
7
DSP-SPICS
DSP-MISO
DSP-SFLASH-HOLD
DSP-MOSI
DSP-SPICLK
C2443
10u
C2442
0.1u
FB2401
0uH
FB2403
0uH
10k
R2442
10k
R2435
22
R2441
22
R2448
22
R2450
22
R2452
2.2k
R2451
10k
R2449
10k
R2454
22
R2436
IC2401
W25Q80BVSSIG
1
CS
2
DO(IO1)
3
WP(IO2)
4
GND
DI(IO0)
5
CLK
6
HOLD(IO3)
7
VCC
8
DSP
IC2400
SERIAL FLASH
IC2401
+1.2V REG.
IC2402
32
>015S
MAIN BOARD
(4/7), (5/7)
(Page 27), (Page 28)
7
Note: IC2402 on the MAIN board cannot exchange with single.
When this part on the MAIN board is damaged, exchange
the entire mounted board.
the entire mounted board.
STR-DH550/DH750
STR-DH550/DH750
30
30
5-15. SCHEMATIC DIAGRAM – MAIN Board (7/7) –
• See page 21 for Waveforms. • See page 43 for IC Block Diagrams. • See page 50 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
MAIN BOARD (7/7)
5
1
5
0.4 3.1
5
3.1
6
3.1
3.3 3.3 3.3 3.3 3.3 3.3
1.6
0
3.3
3.1
3.1
1.6
0
0
0
3.3
1.4
1.4
3.3 3.3
3.3
0
0
0
3.3
0
3.3
3.3
0
0.1
0.1
0
0
3.3
3.3
0.1
0
0
3.3
3.3
1.2
3.3
0
3.3
3.3
3.3
1.6
0
0
3.3
3.3
0
0
1.4
1.5
3.3
0
3.3
0
3.3 3.3
0 0.2
0
0
3.3
0
0
0 3.3 3.3
0
0
0
3.3
3.3
1
3.3
3.3
3.3
3.3
3.3
0.1
3.3
0
0
3.3
3.3
0
3.3
3.3
3.3
0.1
0
3.3
3.3
0
0.2
3.3
1.7
3.3
3.3
0
3.3
S
USB-SPDIF
HDMIOUT-5VPWR
PROG-VU-RST
HDMI-SCL
HDMI-SDA
SPARTA-INT
SPARTA-INT
PROG-MU-MD0
MU-RST
SPARTA-RST
VCOM-SDA
NFC-RF-DET
NFC-SPICLK
MU-UART-IN
PROG-MUTX
PROG-MURX
PROG-MURX
MHL-PCONT
UPDATE-LED
HDMI-NLPCM
MHL-OVC
PROG-VU-MD0
NFC-SW
NFC-IRQ
NFC-DATA
NFC-SEL
BT_RST
BT_RST
BT_VURX
BT_VUTX
VURTSOUT_BTCTS
VUCTSIN_BTRTS
VU_PCONT
C2915
2.2u
C2906
68p
C2907
68p
C2916
0.1u
C2911
0.1u
R2908
100
R2906
330
R2904
330
C2903
10u
C2634
0.1u
C2912
10u
C2909
0.001u
C2910
0.1u
C2914
2.2u
C2614
4.7u
C2602
1u
C2607
1u
C2908 0.1u
C2913
0.1u
C2902
0.1u
C2905
0.1u
C2900
9p
C2901
9p
C2619
0.001u
C2620
0.1u
C2624
0.1u
C2621
4.7u
C2625
4.7u
R2934
10k
R2652
100
R2651
100
R2646
100
R2645
100
R2640
100
R2639
100
R2638
2.2k
C2615
0.001u
R2644
47
R2642
47
R2654
1k
R2655
1k
C2609
4.7u
C2610
0.1u
C2611
0.1u
C2612
0.1u
R2625
100k
R2626
100k
R2630
100
R2615
100
R2614
100
R2616
100
C2617
0.001u
C2616
0.1u
R2637
10k
C2606
0.1u
C2623
0.1u
C2618
0.001u
C2613
0.1u
C2631
0.01u
R2668
10k
C2635
47p
C2904
220u
10V
CL2627
CL2621
CL2625
CL2620
CL2624
CL2623
CL2623
CL2626
CL2628
CL2622
CN2601
7P
1
2
3
4
2
3
4
SCK
5
6
6
MD0
RESET
Prog_VUTX
RESET
Prog_VUTX
Prog_VURX
GND
GND
7
3.3V
D2603
CES521
D2601
CES521
D2602
CES521
HDMI-MUTE
HDMI-MB-MUTE
D2604
CES521
D2600
CES521
3.3V
STBY3.3V
D-GND
FB2602
0uH
FB2601
0uH
FB2900
0uH
FB2901
0uH
JL2629
JL2631
JL2632
JL2633
JL2604
JL2905
JL2906
JL2607
JL2628
JL2901
JL2904
JL2902
JL2903
JL2900
JL2600
JL2605
JL2601
JL2907
JL2603
JL2634
JL2635
JL2606
JL2602
JL2630
Q2600
PMG85XP
VOLTAGE
CONTROL
IC2900
BU94502AMUV
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
30
29
28
27
26
25
24
23
22
21
29
28
27
26
25
24
23
22
21
DVSSIO_1
RESETX
TMODE
KEY_COL1/IRPTO
KEY_COL2/SEARCH
KEY_COL3/MCHNG
KEY_ROW1/BUSY
KEY_ROW2/SCL
KEY_ROW3/SDA
DVDD_M
RESETX
TMODE
KEY_COL1/IRPTO
KEY_COL2/SEARCH
KEY_COL3/MCHNG
KEY_ROW1/BUSY
KEY_ROW2/SCL
KEY_ROW3/SDA
DVDD_M
AMUTE
DVDDIO_29
LED_REPEAT/MCLK
LED_PUSB/DATA
LED_PSD/BCK
LED_PLAY/LRCK/SPDIF
LED_ERROR/CLK24MI
REXTI
USB_DP
USB_DM
11
DVSSIO_11
12
DVDDIO_12
13
TEST1
14
XIN_PLL
15
XOUT_PLL
16
SEL_APLAY/TEST2
17
SEL_COD/TEST3
18
SEL_SLAVE
19
AVDDC
20
AVSSC
31
DAVSS
32
RDACO
33
VCDACO
34
LDACO
35
DAVDD
36
SD_CON
37
SD_DO
38
SD_CLK
39
SD_DI
40
SD_CS
41
IC2602
MB9AF156NPMC-G-JNK1E2
1
VCC
2
NC
3
NC
4
NC
5
MHL-OVC
28
PROG_MURX
29
NC
30
MHL-PCONT
71
Prog_VU_SCK
72
Prog_VUTX
73
Prog_VURX
74
NC
75
VSS
96
USB_MCHNG
97
VCC
98
USB_PCONT
99
USB_OVC
100
VSS
26
VCC
27
PROG_MUTX
6
TEST_SDA
7
TEST_SCL
8
NC
9
APPLE_RST
10
APPLE_SCL
11
APPLE_SDA
12
UPDATE-LED
31
HDMIOUT_5VPWR
32
HDMI_PCONT
33
C
34
VSS
35
VCC
36
SPARTA_RST
37
HDMI_MUTE
66
BT_VURX
67
BT_RST
68
VURTSOUT_BTCTS
69
VUCTSIN_BTRTS
70
NC
64
BT-PCONT
65
BT_VUTX
91
USB_RESET
92
USB_SEARCH
93
USB_IRPTO
94
USB_SCL
95
USB_SDA
89
NFC-SPICLK
90
USB_BUSY
13
HDMI-NLPCM
14
NC
15
NC
16
NC
17
NC
18
TEST-1
19
TEST-2
20
TEST-3
21
TEST-4
22
TEST-5
23
TEST-6
24
TEST-7
25
VSS
38
INITX
39
SPARTA_INT
40
HDMI_SDA
41
HDMI_SCL
42
PROG_MU_MD0
43
MU_RST
44
MU_UART_IN
45
VCOM_SDA (OUT)
46
MD1
47
MD0
48
PE2/X0
49
PE3/X1
50
VSS
52
NFC_SW
53
NFC_IRQ
54
NFC_DATA
55
NC
56
NC
57
NFC_SEL
58
NC
59
NC
60
AVCC
61
AVRH
62
AVSS
63
NC
51
VCC
77
TRXTS (No Use)
78
TCK
79
TDI
80
TMS
81
TDO
82
NC
83
NC
84
NC
85
NC
86
NC
87
NC
88
NFC-RFDET
76
VCC
Q2601
LTC014EUBFS8TL
RESET SW
Q2602
LTC014EUBFS8TL
RESET SW
R2918
10k
RB2802
100
RB2803
100
RB2800
100
R2929
100
R2932
3.3k
R2931
3.3k
JC2670
0
R2933
10k
R2672
10k
R2673
10k
R2656
2.2k
R2671
10k
C2622
0.1u
R2670
10k
R2617
100
R2613
100
R2636
10k
100
R2619
0
R2919
22
R2610
22
R2609
R2601
10k
10k
R2913
1.5k
R2900
10k
R2653
12k
R2916
10k
R2911
470
R2902
10k
R2666
R2634
100
100
R2623
10k
R2631
10k
R2629
10k
R2624
22
R2612
100
R2622
100
R2621
100
R2620
12k
R2907
68k
R2914
2.2k
R2665
2.2k
R2664
47
R2661
47
R2660
100
R2657
0.1u
C2627
0.1u
C2628
100
R2659
100
R2658
1k
R2633
10k
R2912
1M
R2901
4.7k
R2915
R2611
100
1k
R2632
10
R2667
10
R2669
100
R2607
100
R2606
330
R2605
330
R2604
BT-MUTE
BT_RST
VURTSOUT_BTCTS
VUCTSIN_BTRTS
BT_VURX
BT_VUTX
C2604
0.1u
C2605
4.7u
CL2604
CL2603
CL2600
CL2608
CL2607
CL2606
CL2611
CL2601
CL2610
CL2609
CL2602
CL2605
CN2600
14P
1
GND
2
RCH_N
3
RCH_P
4
LCH_P
5
LCH_N
6
GND
7
MUTE
8
BTTX
9
BTRX
10
BTRTS
11
BTCTS
12
3.3V
13
RESET
14
GND
RCH-N
RCH-P
RCH-P
LCH-P
LCH-N
LCH-N
FB2600
0uH
R2603
100
S
1u
C2922
C2920
1u
C2921
0.1u
CL2904
Q2604
PMG85XP
3.3V VOLTAGE
CONTROL
R2927
10k
10k
R2910
10k
R2647
IC2601
BU4229F-TR
1
GND
2
VDD
3
CT
4
VOUT
IC2603
MFI337S3959
1
GND
2
APPLE_SDA
3
NC
4
NC
5
NC
6
APPLE_SCL
7
APPLE_RST
8
VCC
9
GND
IC2901
BD00HC5WEFJ-E2
1
VO
2
FB
3
GND
4
NC_4
EN
5
NC_6
6
NC_7
7
VCC
8
9
D2900
D2901
X2600
4MHz
X2900
16.9344MHz
C2919
10u
CL2900
CL2903
CL2901
CL2902
CN2900
5P
1
GND
2
D+
3
D-
4
VBUS
5
GND
+6V
10k
R2926
150k
R2920
560k
R2923
10k
R2924
10k
R2925
D2902
CES521
100k
R2921
C2917
0.1u
C2918
10u
1k
R2922
IC2902
TPS2553DBVR
1
IN
2
GND
3
EN
FAULT
4
ILIM
5
OUT
6
HDMI CONTROLLER
IC2602
DECODER
IC2900
POWER CONTROL
IC2901
OVER VOLTAGE
CONTROL
IC2902
APPLE AUTHENTICATION
COPROCESSOR
IC2603
RESET
IC2601
BT MODULE
38
>018S
MAIN BOARD
(4/7), (5/7)
(Page 27), (Page 28)
>012S
MAIN BOARD (3/7)
(Page 26)
>022S
FRONT JACK
BOARD
CN104
(Page 39)
PROGRAMMING JIG
(HDMI KSV)
DH750
DH750
DH550
DH750
DH750
8
9
Note: IC2900 on the MAIN board cannot exchange with single.
When this part on the MAIN board is damaged, exchange
the entire mounted board.
the entire mounted board.
Ver. 1.1
STR-DH550/DH750
STR-DH550/DH750
31
31
5-16. PRINTED WIRING BOARD – HDMI Board (Component Side) –
• See page 14 for Circuit Boards Location. •
: Uses unleaded solder.
Ver. 1.1
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
R3611
R3612
R3613
R3615
R3616
R3618
R3620
R3621
R3816
R3817
R3623
R3624
R3625
R3626
R3627
R3628 R3629
R3630
R3826
R3827
R3828
R3636
R3637
R3831
R3832
R3833
R3834
R3835
R3836
R3837
R3647
R3648
R3843
R3844
R3845
R3846
R3848
R3849
R3850
RB3204 RB3205
X3001
CN3501
CN3502
CN3503
(for AUDIO)
CN3504
JL3530
JL3531
3
1
CN3513
2
1
23
22
CN3514
C3513
JL3547
JL3548
JL3549
JL3551
JL3555
D3501
KA
C3530
C3531
IC351
1
IC3512
IC3513
133
132
89
88
177
1
176
44
45
IC3514
15
6
IC3517
IC3518
IC3519
C3549
C3359
C3550
C3361
C3556
C3561
C3570
R3549
C3578
R3551
R3552
R3555
R3556
R3365
R3560
R3567
R3568
R3569
C3596
C3597
R3570
C3598
R3593
R3594
R3599
JL3225
1
19
1
19
1
19
1
19
1
19
CN3200
JL3228
C3602
C3603
C3604
C3605
C3606
C3607
C3608
C3609
11
(11)
HDMI BOARD
(COMPONENT SIDE)
1-889-546-
HDMI IN
HDMI OUT
GAME
BD/DVD
SAT/
CATV
VIDEO
(MHL)
TV OUT
ARC
STANDBY DCDC
BOARD
CN1901
(Page 34)
>009P
MAIN BOARD
CN2000
(Page 22)
>008P
(CHASSIS)
(CHASSIS)
DC5V 1A MAX
Note: IC3514 on the HDMI board cannot exchange with single.
When this part on the HDMI board is damaged, exchange
the entire mounted board.
the entire mounted board.
STR-DH550/DH750
STR-DH550/DH750
32
32
5-17. PRINTED WIRING BOARD – HDMI 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
R3804
R3619
L3500
R3622
R3632
R3829
R3640
R3643
R3644
R3645 R3646
R3840
R3842
CL3518
CL3519
CL3520
CL3521
CL3522
CL3523
CL3524
CL3525
CL3526
CL3527
CL3528
CL3529
CL3530
CL3531
CL3532
CL3533
CL3534
CL3535
CL3546
CL3547
CL3548
CL3549
JL3538
JL3539
JL3540
JL3541
JL3542
JL3543
JL3544
C3517
C3518
C3519
JL3550
JL3553
C3520
JL3554
C3523
C3525
C3526
C3527
C3528
C3529
R3502
R3503
R3504
R3505
R3506
R3507
R3508
R3509
C3532
C3533
C3534
C3536
R3510
C3538
R3513
R3514
R3515
R3516
R3517
R3518
C3540
R3519
C3541
C3542
C3543
C3544
C3545
C3546
R3520
C3548
R3521
R3523
C3358
C3551
C3552
C3553
C3554
C3555 C3557
C3363
C3558
C3364
C3559
C3560
C3562
C3563
C3564 C3565
C3566
C3567
R3370
R3372
R3373
R3374
R3376
R3377
C3599
R3573
R3380
R3576
R3578
R3579
R3386
R3387
R3582
R3583
R3584
R3585
R3588
R3589
R3590
R3591
R3595
R3596
R3597
R3598
FB3501
FB3504
FB3505
R3600
R3601
R3602
R3606
CL3550
CL3551
HDMI BOARD
(CONDUCTOR SIDE)
1-889-546-
11
(11)
Click on the first or last page to see other STR-DH550 / STR-DH750 service manuals if exist.