Sony STR-DH720 - IC4100 BU81459 KV-E2 (USB BOARD)

STR-DH720/DH720HP
51
IC4101 NJM2903V (TE2) (USB BOARD)
A OUTPUT
A- INPUT
A+ INPUT
GND
+
A
1
2
3
4
+
B
B+ INPUT
B- INPUT
B OUTPUT
V+
8
7
6
5
IC4100 BU81459KV-E2 (USB BOARD)
AMUTE
DAVDD
RESETX
SEL_SLAVE
SEL_MP3
SEL_DOUT
SEL_VOL
SEL_APLAY
SEL_UTPKT
IRPTO
KEY_ROW1/
MCHNG
KEY_ROW2/
BUSY
KEY_COL1/A0
DVDDIO
TEST3
SD_CON
TMODE
DVSS
LED_PUSB/TEST12
LED_PSD/TEST11
LED_PLAY/TEST10
DAVSS
LACK
LED_ERROR/TEST9
XOUT_PLL XIN_PLL TEST_PLL REXTI
AVSSC
SD_CLK
SD_DI
SD_CS
DVSS
TEST4
TEST5/
CLKOUT12
DVDD_M2
TEST6
TEST7
AVDDC
TEST2
SD_DO
TEST8
VOREFI VDDPLL
BCK
TEST17
TEST16
TEST15
DATA
DVDDIO
ATEST1
RDACO
VCDACO
Audio DAC
AAC / WMA /
MP3
Decoder
PLL
USB
PHY
System
Controller
FAT
File system
KEY_ROW4/SDA
TEST13
DVDD_M1
TEST14
SD I/F
Controller
Sound Effecter
KEY_ROW3/SCL
KEY_COL2/A1
KEY_COL3/
SEL_SMAN
USB_DM
USB_DP
VSS_PLL LDACO
USB
Controller
LDO
I2C I/F
Controller
iPod
Controller
48
47
46 45 44
43
42 41
40
39 38
37 36 35 34 33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1615
14
13
1211
10
98
76
5
4
32
1
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49