Sony STR-DN1070 Service Manual page 45

6-16. SCHEMATIC DIAGRAM – MB-1512 Board (Suffi x-11/-21) (5/16) –
1 2 3
A
B
USB_PCONT
>011S
MB-1512 BOARD
(4/16)
(Page 44)
C
OCPI
WLAN_SYNC
D
E
F
(CHASSIS)
G (CHASSIS)
H
(CHASSIS)
I
J
K
STR-DN1070
• See page 75 for IC Block Diagrams.
4 5 6
MB-1512 BOARD (5/16)
IC503
TPS2553DBVR
IC503
FRONT USB VBUS
1 6
USB_5.2V IN OUT
2 5
C531 10u 5.2
R530
GND ILIM
1k
3 4
EN FAULT
3
C532 R531
C530
10k
22u 0.1u
GND R535
10k
MTK_3.3V
IC101 (11/15)
CXD90028GB-B-E
IC101
BD DECODER
USB
E6 B5
AVDD33_USB_P0P1 USB_DM_P0
MTK_3.3V CL513
F12 A5
C503 C501
AVSS33_USB_P0P1 USB_DP_P0 CL514
10u 1u
Y26 B4
MTKSTB_3.3V AVDD33_USB_P2 USB_DM_P1
Y22 A4
C504 C502 AVSS33_USB_P2 USB_DP_P1
10u 1u
A6 AA28
USB_VRT_P0P1 USB_DM_P2
W28 AA27
USB_VRT_P2 USB_DP_P2
R504 R505
5.1k 5.1k
GND
ET501 ET503
• See page 85 for IC Pin Function Descriptions.
7 8 9 10
USB_RF_3.3V
5
0.4
3.3
R532
10k
C534
C533 R534
220u
10u
10k
6.3V
R533
10k
DP1
DM1
DP2
DM2
ETHER
AB27
TXVN_0
AB28
TXVP_0
AC27
TXVN_1
AC28
TXVP_1
ET502
R518
24k
AD27
REXT MDC
MDIO
AA24 AVDD33_LD
AA25 AVDD33_COM
MTKSTB_3.3V
C520 C521 C522
AA22 AVSS33_LD
1u 0.1u 0.01u
Y20 AVSS33_COM
GND
IC101 (12/15)
CXD90028GB-B-E
IC101
BD DECODER
Note 1: IC101 on the MB-1512 board cannot exchange with
single. When this part on the MB-1512 board is
damaged, exchange the entire mounted board.
45 45
11 12 13 14
WLAN_RST
SUSPEND_INT
CN501
5P
JL506
1 GND
DP R507 0 JL503
2 DP
DM R508 0 JL504
3 DM
JL507
4 VBUS
5 GND
8 GND
JL508
7 3.3V
6 3.3V
JL509
5 WLAN_SYNC
JL510
4 WLAN_RST
R515 0 JL511
DP
3 DP
DM R514 0 JL512
2 DM
1 GND
CN503
8P
J503
8P
T501
L501
0uH 1 TX +
2 TX -
3 RX +
4
T502 5
L502
0uH 6 RX -
7
8
RB501
75
AD23
C525 C526 C527
AB23
0.1u 0.1u 0.001u
R536
100
Note 2: When the WLAN/BT combo card is replaced, refer to
"NOTE OF REPLACING MB-1512 BOARD OR WLAN/
BT COMBO CARD" on page 8.
STR-DN1070
15 16 17
>016S
MB-1512 BOARD
(11/16)
(Page 51)
>017S
FRONTJACK
BOARD
CN1104
(Page 71)
WLAN/BT COMBO
CARD