A
A
B
B
C
C
D
D
1
1
2
2
3
3
4
4
TO MA BOARD
max 100ma
BT_TX
BT_RX
BT_SPDIF
VSTB_1
VDIN_1
VFD_RST
VCLK_1
VOL_RX
VOL_TX
IR_IN
BT_TX
BT_RST
BT_RX
BT_EN
NFC_FD
IR_IN
BT_EN
BT_RST
BT_SPDIF
NFC
PI03
3.3V_STB
NFC_FD
NFC
PI03
UPG
VCC_D
3.3V_STB
VCC
12V
3.3V_STB
BT_3V3
BT_3V3
BT_3V3
3.3V_STB
BT_3V3
PA06(TXD)
PA07(RXD)
VDIN_1
VFD_RST
VCLK_1
VSTB_1
UPG
R814
0
R814
0
D402
LL4148
D402
LL4148
TP503
TP503
R511
1
R511
1
C547
NC/0.1uF/25V/Y5V
C547
NC/0.1uF/25V/Y5V
R504
1K
R504
1K
U501
BT_BM153
U501
BT_BM153
AIO1
1
AIO0
2
RESET
3
GND
4
PIO9
5
PIO1 0
6
PIO11
7
PIO12
8
PIO13
9
PIO14
10
PIO15
11
GND
12
VDD
13
VDD_USB
14
+1V8
15
GND
16
USB_DP
17
USB_DN
18
UART_RTS
19
ART_CTS
20
UART_RX
21
UART_TX
22
PCM_IN
23
PCM_SYNC
24
PCM_CLK
25
PCM_OUT
26
SPI_CSB
27
SPI_MISO
28
SPI_CLK
29
SPI_MOSI
30
GND
48
MIC_A_N
47
MIC_A_P
46
MIC_B_N
45
MIC_B_P
44
MIC_BIAS
43
GND_S
42
SPK_R_P
41
SPK_R_N
40
SPK_L_P
39
SPK_L_N
38
GND
37
LED0
36
LED1
35
VDD_CHG
34
GND
33
VDD_BAT
32
VRE_IN
31
GND
60
RF
59
GND
58
PIO8
57
PIO7
56
PIO6
55
PIO5
54
PIO4
53
PIO3
52
PIO2
51
PIO1
50
PIO0
49
C
535
N
C
/100pF/
50V/
N
P0
C
535
N
C
/100pF/
50V/
N
P0
R502
2.2K
R502
2.2K
C
541
10pF/
50V/
NP0
C
541
10pF/
50V/
NP0
C543
0.1uF/25V/Y5V
C543
0.1uF/25V/Y5V
XP504
24PIN/0.5mm
XP504
24PIN/0.5mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
GND
25
GND
26
C
530
100pF/
50V/
N
P0
C
530
100pF/
50V/
N
P0
R512
NC/10K
R512
NC/10K
C551
0.1uF/25V/Y5V
C551
0.1uF/25V/Y5V
C544
10uF/10V/Y5V
C544
10uF/10V/Y5V
C
536
100pF/
50V/
N
P0
C
536
100pF/
50V/
N
P0
Q501
PNP_3CG3906M
Q501
PNP_3CG3906M
C555
10uF/10V/Y5V
C555
10uF/10V/Y5V
R503
10K
R503
10K
TP502
TP502
XP502
2PIN/1.25mm
XP502
2PIN/1.25mm
1
1
2
2
GND
3
GND
4
R506
4.7K
R506
4.7K
C
529
100pF/
50V/
N
P0
C
529
100pF/
50V/
N
P0
TP511
TP511
C
532
N
C
/100pF/
50V/
N
P0
C
532
N
C
/100pF/
50V/
N
P0
TP504
TP504
R513
10K
R513
10K
TP505
TP505
C548
NC/0.1uF/25V/Y5V
C548
NC/0.1uF/25V/Y5V
C
528
100pF/
50V/
N
P0
C
528
100pF/
50V/
N
P0
TP506
TP506
C
531
100pF/
50V/
N
P0
C
531
100pF/
50V/
N
P0
C545
0.1uF/25V/Y5V
C545
0.1uF/25V/Y5V
TP501
TP501
R550
0
R550
0
R811
0
R811
0
L501
400/200mA
L501
400/200mA
R505
220K
R505
220K
C549
NC/0.1uF/25V/Y5V
C549
NC/0.1uF/25V/Y5V
IR501
IRM_16mm
IR501
IRM_16mm
IR
1
GND
2
VCC
3
GND
4
GND
5
C
542
10pF/
50V/
NP0
C
542
10pF/
50V/
NP0
R514
10K
R514
10K
CON501
SMA/UFLR
CON501
SMA/UFLR
1
2
3
4
C
538
5pF/
50V/
N
P0
C
538
5pF/
50V/
N
P0
C
533
100pF/
50V/
N
P0
C
533
100pF/
50V/
N
P0
R509
0
R509
0
C546
NC/0.1uF/25V/Y5V
C546
NC/0.1uF/25V/Y5V
R
520
4.
7K
R
520
4.
7K
C
527
100pF/
50V/
N
P0
C
527
100pF/
50V/
N
P0
R812
0
R812
0
C550
0.1uF/50V/Y5V
C550
0.1uF/50V/Y5V
Q18
NC/NPN_3DG3904M
Q18
NC/NPN_3DG3904M
R523
0
R523
0
C
534
N
C
/100pF/
50V/
N
P0
C
534
N
C
/100pF/
50V/
N
P0
R810
0
R810
0
R508 NC/0
R508 NC/0
C539
NC/0.1uF/25V/Y5V
C539
NC/0.1uF/25V/Y5V
R510
0
R510
0
R813
0
R813
0
Q555
N_2SK3018
Q555
N_2SK3018
G
D
S
C552
4.7uF/16V/Y5V
C552
4.7uF/16V/Y5V
C554
10uF/10V/Y5V
C554
10uF/10V/Y5V
C
537
100pF/
50V/
N
P0
C
537
100pF/
50V/
N
P0
R507 10
R507 10
C
540
10pF/
50V/
NP0
C
540
10pF/
50V/
NP0
R501
33
R501
33
XP501
6PIN/2.0mm
XP501
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
C
553
N
C
/100pF/
50V/
N
P0
C
553
N
C
/100pF/
50V/
N
P0
7-6
7-6
VFD Control & Switch Board Circuit Diagram:
Harman Kardon
BDS 280 + 580 Service Manual
Page 43 of 87