5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
MCU UART
DEBUG JACK
TO VFD BOARD
Max Vfb=3-0.7=2.3V
Min Vfb=0V
PWM 3V -> 12V
PWM 2.2V->7.5V
LSB 3.3V/100=0.033V
POWER
Airplay
Repeater
USB
ADC
8422
DSP
Audio AMP
IIC1_SDA
IIC1_SCL
CP_SDA
CP_SCL
IIC1_SDA
IIC1_SCL
CEC_MCU
SPDIF_REST
8422_INT0
SPDIF_SCL
SPDIF_SDA
SPDIF_SCL
SPDIF_SDA
DSP_UPG
SCLK_CS
REQ_CS
MOSI_CS
DSP_BUSY
MISO_CS
CS_CS
RST_CS
NET_MDIO
HP_DET
SLEEP_PCON
BT_SPDIF
FAN_DET
5700_INT
MOSI_CS
MISO_CS
SCLK_CS
CS_CS
DSP_UPG
USB_OC
5700_INT
MCU_PCON
DSP_BUSY
ROM_SDA
ROM_SCL
MIC_IN
SPDIF_REST
5700_SCL
5700_SDA
UARXD2
UATXD2
USB_SEL
UART3_RX
BT_RST
IIC4_SDA
IIC4_SCL
TAS5538_RST
VFD_RST
OTG_DP
OTG_DM
IR_IN
YO
YI
SWDIO
SWCLK
RP_Reset
BT_EN
VCLK
NFC_FD
VSTB
OTG_DP
OTG_DM
YO
YI
IIC3_SDA
IIC3_SCL
IIC3_SCL
IIC3_SDA
UART2_RX_VOL
UART2_TX_VOL
CP_RST
MA_REQ
FAN_DET
MA_MISO
MA_MOSI
IR_M
NRST
M_RST
FAN_PWM
RST_CS
OPTI1_detect
ADC_RST
RP_SDA
8422_INT0
CP_SDA
CP_SCL
MA_CLK
MA_SS
RP_SCL
NET_MDC
UART3_TX
MIC_CTL
USB_EN
HP_SEL
USB_SEL
UART3_TX
UART3_RX
UART2_RX_VOL
VOL_TX
VCC_D1
IR_IN
VDIN
VSTB
VCLK
UART2_TX_VOL
VOL_RX
VFD_RST
SWCLK
MIC_CTL
SWDIO
HP_DET
USB_OC
USB_EN
VCC_FAN
BT_TX
BT_RX
BT_EN
BT_RST
A_RESET_N
FAN_PWM
MA_REQ
MA_MOSI
MA_CLK
MA_MISO
MA_SS
REQ_CS
NFC_FD
COAX_detect
UARXD2
UATXD2
A_RESET_N
TAS5538_PDN
BT_RX
BT_TX
BANK_ERR
TAS5538_EMO
CEC_MCU
M_MUTE
MCU_PCON
TAS5538_EMO
RP_Reset
RP_SCL
RP_SDA
RP_INT
SLEEP_PCON
TAS5538_RST
TAS5538_PDN
TAS5538_SCL
TAS5538_SDA
BANK_ERR
HP_SEL
TAS5538_SCL
TAS5538_SDA
ADC_SDA
ADC_SCL
ADC_RST
IIC3_SDA
IIC3_SCL
ADC_SDA
ADC_SCL
CP_RST
IIC4_SDA
IIC4_SCL
IIC4_SDA
IIC4_SCL
5700_SDA
5700_SCL
ROM_SDA
ROM_SCL
IIC3_SCL
IIC3_SDA
IIC4_SDA
IIC4_SCL
MHL_POWER_EN
HP_MUTE
RP_INT
HP_DET
USB_OC
NFC_FD
IIC1_SCL
IIC1_SDA
IIC1_SDA
IIC1_SCL
VDIN
VSTB
VDIN
VCLK
VFD_RST
MCU2_UPG
MCU2_UPG
MCU2_UPG
UART2_TX_VOL
UART2_RX_VOL
MHL_POWER_EN
NET_MDC
NET_MDIO
MHL_POWER_EN
OPTI2_detect
3.3V
STB_3.3V
STB_3.3V
STB_3.3V
3.3V_STBY_MCU
STB_3.3V
STB_3.3V
VSS_D
3.3V
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
3.3V
STB_3.3V
STB_3.3V
3.3V
STB_3.3V
+12V_D
STB_3.3V
3.3V_STBY_MCU
+12V_FB
+12V_D
VCC_D
3.3V_STBY_MCU
VCC_D
VCC
STB_3.3V
STB_3.3V
3.3V
STB_3.3V
3.3V
VCC_D
STB_3.3V
STB_3.3V
3.3V
3.3V
VCC
3.3V
CEC_MCU
11
SPDIF_REST
16
SPDIF_SCL
16
SPDIF_SDA
16
8422_INT0
16
DSP_UPG
17
SCLK_CS
17
MOSI_CS
17
CS_CS
17
MISO_CS
17
REQ_CS
17
DSP_BUSY
17
RST_CS
17
MT_UART2_RX
9
MT_UART2_TX
9
USB_SEL
9
OTG_DP
9
OTG_DM
9
HP_MUTE
18
MCU_SCLK
16
MCU_SDATA
16
MCU_MCLK
16
MCU_LRCLK
16
IR_M
8
M_MUTE
18
BT_SPDIF
16
MCU_PCON
5
TAS5538_EMO
18
RP_INT
12
RP_SCL
12
RP_SDA
12
RP_Reset
12
SLEEP_PCON
10,5
TAS5538_RST
18
TAS5538_PDN
18
TAS5538_SCL
18
TAS5538_SDA
18
BANK_ERR
18
HP_SEL
18
IR_IN
10
ADC_RST
16
ADC_SCL
16
ADC_SDA
16
MIC_IN
16
NET_MDIO
10
NET_MDC
10
A_RESET_N
10
MA_REQ
10
MA_SS
10
MA_CLK
10
MA_MISO
10
MA_MOSI
10
MHL_POWER_EN 9
BD_STATE
10
PCON_EN
5
R424
3K
R424
3K
C453
10uF/10V/Y5V
C453
10uF/10V/Y5V
C551 0.1uF/25V/Y5V
C551 0.1uF/25V/Y5V
C139
1uF/10V/Y5V
C139
1uF/10V/Y5V
C501 0.1uF/25V/Y5V
C501 0.1uF/25V/Y5V
R639
0
R639
0
C504
0.1uF/25V/Y5V
C504
0.1uF/25V/Y5V
R580
33
R580
33
R448
33
R448
33
R467
33
R467
33
U714
EEPROM_16Kb_M24C16
U714
EEPROM_16Kb_M24C16
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
C
536
100pF/
50V/
N
P0
C
536
100pF/
50V/
N
P0
R653
4.7K
R653
4.7K
C507
27pF/50V/NP0
C507
27pF/50V/NP0
R499
10K
R499
10K
R539
33
R539
33
C
515
0.
1uF/
25V/
Y5V
C
515
0.
1uF/
25V/
Y5V
C509
0.1uF/25V/Y5V
C509
0.1uF/25V/Y5V
R433
4.7K
R433
4.7K
R575
10K
R575
10K
C
540
100pF/
50V/
N
P0
C
540
100pF/
50V/
N
P0
R626
NC/0
R626
NC/0
Q11
NPN_3DG3904M
Q11
NPN_3DG3904M
R562
10K
R562
10K
R573
33
R573
33
R493
33
R493
33
R498
10K
R498
10K
R582
4.7K
R582
4.7K
C
561
100pF/
50V/
N
P0
C
561
100pF/
50V/
N
P0
Q6
PNP_3CA8550C
Q6
PNP_3CA8550C
R511
0
R511
0
R667
0
R667
0
R439
33
R439
33
R
658
10K
R
658
10K
TP301
TP301
R192
10K
R192
10K
R472
33
R472
33
R435
33
R435
33
R640
0
R640
0
R497
10K
R497
10K
R188
4.7K
R188
4.7K
R186
1.2K
R186
1.2K
R574
33
R574
33
R568
33
R568
33
R895
10K
R895
10K
R513
0
R513
0
R558
33
R558
33
TP302
TP302
R469
33
R469
33
R444
0
R444
0
R627
100
R627
100
R442
33
R442
33
C511
2.2uF
C511
2.2uF
TR1
NTC/10Kohm
TR1
NTC/10Kohm
C395
0.1uF/25V/Y5V
C395
0.1uF/25V/Y5V
D25
LL4148
D25
LL4148
R
522
10K
R
522
10K
R566
33
R566
33
R569
33
R569
33
R440
33
R440
33
R
624
10K
R
624
10K
TP303
TP303
C
492
0.
1uF/
25V/
Y5V
C
492
0.
1uF/
25V/
Y5V
C
529
100pF/
50V/
N
P0
C
529
100pF/
50V/
N
P0
C496
0.1uF/25V/Y5V
C496
0.1uF/25V/Y5V
C497
0.1uF/25V/Y5V
C497
0.1uF/25V/Y5V
R248
100K
R248
100K
R427
4.7K
R427
4.7K
R559
33
R559
33
R437
33
R437
33
C
528
100pF/
50V/
N
P0
C
528
100pF/
50V/
N
P0
R681
33
R681
33
R465
0
R465
0
Y5
14.7456MHZ
Y5
14.7456MHZ
R570
4.7K
R570
4.7K
R557
33
R557
33
R
449
10K
R
449
10K
R436
0
R436
0
C
499
0.
1uF/
25V/
Y5V
C
499
0.
1uF/
25V/
Y5V
R883
0
R883
0
R556
100
R556
100
R565
33
R565
33
C563
47pF/50V/NP0
C563
47pF/50V/NP0
R430
4.7K
R430
4.7K
R
684
10K
R
684
10K
R425
1M
R425
1M
Q34
PNP_3CG3906M
Q34
PNP_3CG3906M
XP29
2PIN_2.5mm
XP29
2PIN_2.5mm
1
1
2
2
C508
2.2uF
C508
2.2uF
FB44
500/500mA
FB44
500/500mA
R623
33
R623
33
R532
33
R532
33
R541
33
R541
33
R625
4.7K
R625
4.7K
R476
33
R476
33
C
559
100pF/
50V/
N
P0
C
559
100pF/
50V/
N
P0
R
876
10K
R
876
10K
C
569
100pF/
50V/
N
P0
C
569
100pF/
50V/
N
P0
R577
33
R577
33
R885
33
R885
33
C517
0.1uF/25V/Y5V
C517
0.1uF/25V/Y5V
R561
100
R561
100
C512
0.1uF/25V/Y5V
C512
0.1uF/25V/Y5V
FB41
500/500mA
FB41
500/500mA
R495
4.7K
R495
4.7K
C
562
100pF/
50V/
N
P0
C
562
100pF/
50V/
N
P0
XP7
5PIN/1.0mm
XP7
5PIN/1.0mm
1
1
2
2
3
3
4
4
5
5
C
530
100pF/
50V/
N
P0
C
530
100pF/
50V/
N
P0
C
534
100pF/
50V/
N
P0
C
534
100pF/
50V/
N
P0
XP24
4PIN/2.0mm
XP24
4PIN/2.0mm
1
1
2
2
3
3
4
4
C
505
100pF/
50V/
N
P0
C
505
100pF/
50V/
N
P0
C506
0.1uF/25V/Y5V
C506
0.1uF/25V/Y5V
C498
0.1uF/25V/Y5V
C498
0.1uF/25V/Y5V
C518
10uF/10V/Y5V
C518
10uF/10V/Y5V
R888
100
R888
100
R491
33
R491
33
C495
0.1uF/25V/Y5V
C495
0.1uF/25V/Y5V
R457
100
R457
100
XP26
8PIN/2.0mm
XP26
8PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
C
554
100pF/
50V/
N
P0
C
554
100pF/
50V/
N
P0
R512
0
R512
0
R578
33
R578
33
C
527
100pF/
50V/
N
P0
C
527
100pF/
50V/
N
P0
R189
4.7K
R189
4.7K
R417
0
R417
0
C519
4.7uF/16V/Y5V
C519
4.7uF/16V/Y5V
R
402
10K
R
402
10K
R
487
10K
R
487
10K
R553
33
R553
33
C
553
10pF/
50V/
N
P0
C
553
10pF/
50V/
N
P0
R
521
10K
R
521
10K
R668
NC/0
R668
NC/0
C521
22uF/10V/Y5V
C521
22uF/10V/Y5V
R
401
NC/1
0K
R
401
NC/1
0K
R434
33
R434
33
C
533
100pF/
50V/
N
P0
C
533
100pF/
50V/
N
P0
C516
0.1uF/25V/Y5V
C516
0.1uF/25V/Y5V
C514
27pF/50V/NP0
C514
27pF/50V/NP0
R567
100
R567
100
R887
100
R887
100
R581
10K
R581
10K
R406
10K
R406
10K
R560
33
R560
33
FB45
220/1200mA
FB45
220/1200mA
C32
0.1uF/16V/Y5V
C32
0.1uF/16V/Y5V
R426
0
R426
0
R597
33
R597
33
R
405
10K
R
405
10K
R
851
10K
R
851
10K
U44
IC_8P_CP2.0C
U44
IC_8P_CP2.0C
GND
1
SDA
2
NC
3
NC
4
NC
5
SCL
6
RST
7
VCC
8
GND
9
R
619
10K
R
619
10K
R450
27K
R450
27K
R
646
10K
R
646
10K
R555
100
R555
100
R477
33
R477
33
R
542
10K
R
542
10K
R468
33
R468
33
R455
33
R455
33
R670
33
R670
33
C500
0.1uF/25V/Y5V
C500
0.1uF/25V/Y5V
XP25
4PIN/2.0mm
XP25
4PIN/2.0mm
1
1
2
2
3
3
4
4
U21
STM32F205
U21
STM32F205
PA0-WKUP
23
PE7
38
PA11
70
BOOT0
94
PB8
95
PB9
96
PE0
97
PE2
1
PE3
2
PE4
3
PE5
4
PE6
5
VBAT
6
VSS_5
10
PC13-RTC_AF1
7
PC14-OSC32_IN
8
PC15-OSC32_OUT
9
VDD_5
11
PH0-OSC_IN
12
PH1-OSC_OUT
13
NRST
14
PC0
15
PC1
16
PC2
17
PC3
18
VDD_12
19
VSSA
20
VREF+
21
VDDA
22
PA1
24
PA2
25
PA3
26
VSS_4
27
VDD_4
28
PA4
29
PA5
30
PA6
31
PA7
32
PC4
33
PC5
34
PB0
35
PB1
36
PB2/BOOT0
37
PE8
39
PE9
40
PE10
41
PE11
42
PE12
43
PE13
44
PE14
45
PE15
46
PB10
47
PB11
48
VCAP_1
49
VDD_1
50
PA10
69
PA9
68
PA8
67
PC9
66
PC8
65
PC7
64
PC6
63
PD15
62
PD14
61
PD13
60
PD12
59
PD11
58
PD10
57
PD9
56
PD8
55
PB15
54
PB14
53
PB13
52
PB12
51
VDD_2
75
VSS_2
74
VCAP_2
73
PA13
72
PA12
71
PB7
93
PB6
92
PB5
91
PB4
90
PB3
89
PD7
88
PD6
87
PD5
86
PD4
85
PD3
84
PD2
83
PD1
82
PD0
81
PC12
80
PC11
79
PC10
78
PA15
77
PA14
76
RFU
99
PE1
98
VDD_3
100
C
542
100pF/
50V/
N
P0
C
542
100pF/
50V/
N
P0
C
543
100pF/
50V/
N
P0
C
543
100pF/
50V/
N
P0
R546
33
R546
33
C
873
100pF/
50V/
N
P0
C
873
100pF/
50V/
N
P0
R453
100
R453
100
C
541
100pF/
50V/
N
P0
C
541
100pF/
50V/
N
P0
R533
33
R533
33
C
531
100pF/
50V/
N
P0
C
531
100pF/
50V/
N
P0
R466
33
R466
33
C520
4.7uF/16V/Y5V
C520
4.7uF/16V/Y5V
R587
NC/10K
R587
NC/10K
R494
33
R494
33
C
550
100pF/
50V/
N
P0
C
550
100pF/
50V/
N
P0
R703
33
R703
33
R454
4.7K
R454
4.7K
R489
33
R489
33
TOP
XP6
24PIN/0.5mm
TOP
XP6
24PIN/0.5mm
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
25 26
R564
100
R564
100
C
532
100pF/
50V/
N
P0
C
532
100pF/
50V/
N
P0
C510
0.1uF/16V/X7R
C510
0.1uF/16V/X7R
D17
LL4148
D17
LL4148
C
539
100pF/
50V/
N
P0
C
539
100pF/
50V/
N
P0
R
488
10K
R
488
10K
R423
NC/10K
R423
NC/10K
R470
33
R470
33
R203
100K
R203
100K
R458
10K
R458
10K
R886
470
R886
470
C502 0.1uF/25V/Y5V
C502 0.1uF/25V/Y5V
R571
4.7K
R571
4.7K
R
418
10K
R
418
10K
R572
4.7K
R572
4.7K
R
657
10K
R
657
10K
R486
33
R486
33
R563
33
R563
33
7-21
7-21
Main & In & NFC Board Circuit Diagram:MCU
Harman Kardon
BDS 280 + 580 Service Manual
Page 58 of 87