Sony Ericsson NWZ-A826K - Manual (Page 27)

NWZ-A826/A826K/A828/A828K/A829
NWZ-A826/A826K/A828/A828K/A829
27 27
5-10. SCHEMATIC DIAGRAM - MAIN Board (6/7) - • See page 32 for IC Block Diagrams.
Note 1: When the MAIN board is replaced, format it according
to the “NOTE OF MAIN BOARD REPLACING” (refer
to page 4) of the servicing notes.
Note 2: IC453 on the MAIN board cannot exchange with single. When IC453
on the MAIN board is damaged, exchange the entire mounted board.
IC B/D
IC B/D IC B/D
11
MAIN
BOARD
(7/7)
12
MAIN
BOARD
(1/7)
RB520S-30FJTE61
D451
IC454
TC7S14FU(TE85R)
1 NC
2
3 GND 4
5 VCC
47k
R460
0.1
C456
0.01
C455
0
R456
150
R463
ANT451
C453
1.8p
470k
R462
SSM3K15FV(TL3SONYZ)
Q451 S
SSM3K15FV(TL3SONYZ)
Q452 S
150
R464
470k
R465
UGNZ4-GA5A
IC453
(Chip Size Package)
CSP
A3
X_IN
A4
UAR
T_R
TS
A5
PIO7
A6
GND
B1
UAR
T_TXD
B2
UAR
T_RXD
B3
UAR
T_CTS
B4
PIO8
B5
VCC_IO
B6 VCC
C1 PCM_OUT
C2 PCM_SYNC
C3 GND
C4 AIO0
C5 RESETB
C6 VCC_18V
D2
PCM_IN
D3
PIO5
D4
PIO0
D5
PIO3
D6
GND
E1
USB_DN
E2
USB_DP
E3
PIO4
D1 PCM_CLK
E4
PIO1
E6 RF_IO
F4 PIO2
F1 GND
F2 PIO6
F3 NC
F5 GND
E5 GND
TC7PA53FU(TE85L.F)
IC452
1 CH1
2 GND
3 CH0 4 COMON
5 VCC
6 A
TC7PA53FU(TE85L.F)
IC451
1 CH1
2 GND
3 CH0 4 COMON
5 VCC
6
A
UART_TXD
VDD_UNREG_J
BT_LEDCTL1
BT_LEDCTL2
VDD_GP5
VDD_BT1.8_
BT_XRST
UART_RXD
UART_XCTS
UART_XRTS
DGND
VDD_GP1_FB_J
0.1
C451
DBG_UART_RXD
DBG_UART_TXD
UART_SEL
0
R457
2.2M
R459
2.2
C457
100p C459
10k R461
BT_DET
0
R467
470k
R468
0
R469
0
R470
2.2
C458
470k R471
SSM3J15FV(TL3SONYZ)
Q454
S
1k
R474
JL001 JL002 JL003 JL004 JL005
0
FB451
JL006
JL007
SMLA13BDTT86ST
(BLUETOOTH)
D452
4.7nH
L451
MULTIPLEXER
IC451
MULTIPLEXER
IC452
(6/7) MAIN BOARD
IC453
BLUETOOTH CONTROLLER
IC454
LED DRIVE
TB451
Q451, 452
LED DRIVE
Q454
B+ SWITCH
(CHASSIS)
A
7 9 5
E
4 2 6
F
1 3
D
C
8
B
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