Schematic Diagram - Main Board (3/6) - Sony Walkman NWZ-A726 Service Manual

5-6. SCHEMATIC DIAGRAM - MAIN Board (2/6) -
1 2
MAIN BOARD
A
VDD_ECO_J
DGND
SDR_D31
SDR_D31
SDR_D30
SDR_D30
SDR_D29
SDR_D29
B
SDR_D28
SDR_D28
SDR_D27
SDR_D27
SDR_D26
SDR_D26
SDR_D25
SDR_D25
SDR_D24
SDR_D24
SDR_D23
SDR_D23
SDR_D22
SDR_D22
SDR_D21
SDR_D21
SDR_D20
C
SDR_D20
SDR_D19
SDR_D19
SDR_D18
SDR_D18
SDR_D17
SDR_D17
SDR_D16
SDR_D16
SDR_D15
SDR_D15
SDR_D14
SDR_D14
SDR_D13
D SDR_D13
SDR_D12
SDR_D12
SDR_D11
SDR_D11
SDR_D10
SDR_D10
SDR_D09
SDR_D09
SDR_D08
7 SDR_D08
SDR_D07
SDR_D07
SDR_D06
MAIN SDR_D06
BOARD
SDR_D05
SDR_D05
(1/6)
E
(Page 22) SDR_D04
SDR_D04
SDR_D03
SDR_D03
SDR_D02
SDR_D02
SDR_D01
SDR_D01
SDR_D00
SDR_D00
SDR_DQM0
SDR_DQM0
SDR_DQM1
SDR_DQM1
F
SDR_DQM2
SDR_DQM2
SDR_DQM3
SDR_DQM3
SDR_XWR
SDR_XWR
SDR_CKE0
SDR_CKE0
SDR_XCS0
SDR_XCS0
SDR_XRAS
SDR_XRAS
SDR_XCAS
SDR_XCAS
SDR_BA1
SDR_BA1
G
SDR_BA0
SDR_BA0
SDR_A12
SDR_A12
SDR_A11
SDR_A11
SDR_A10
SDR_A10
SDR_A09
SDR_A09
SDR_A08
SDR_A08
SDR_A07
SDR_A07
SDR_A06
H
SDR_A06
SDR_A05
SDR_A05
SDR_A04
SDR_A04
SDR_A03
SDR_A03
SDR_A02
SDR_A02
SDR_A01
SDR_A01
SDR_A00
SDR_A00
I
SDR_CLK
SDR_CLK
Note 1: When the MAIN board is replaced, format it according to the "NOTE OF MAIN
NWZ-A726/A726B/A728/A728B/A729
3 4 5
(2/6)
FL701
C711 0.1
C713 0.1
B2 R7
C701 0.1
B7
VDDQ
C9
C703 0.1
VDDQ
D9
VDDQ
E1
C705 0.1 VDDQ
L1
VDDQ
M9
C707 0.1 VDDQ
N9
VDDQ
P2
C709 0.1
VDDQ
P7
VDDQ
A3
VSS
F1
VSS
L3
VSS
R3
VSS
B3
VSSQ
B8
VSSQ
C1
VSSQ
D1
VSSQ
E9
VSSQ
L9
VSSQ
M1
VSSQ
N1
VSSQ
P3
VSSQ
P8
VSSQ
G8 G9 F7 F3 G1 G2 G3 H1 H2 J3 G7 J7 H8 R8 N7 R9 N8 P9 M8 M7 L8 L2
BOARD REPLACING" (refer to page 4) of the servicing notes.
6 7
R702
100k
L7 F9 A7 K3 K2 H9 H7 H3 E7 E3 J1 J2 K7 J9 K8 J8 F2 F8 K1 K9
IC701
SD-RAM
IC701
K4M56323PI-HG75T
CSP
(Chip Size Package)
Note 2: IC701 on the MAIN board cannot exchange with single. When IC701
on the MAIN board is damaged, exchange the entire mounted board.
23 23
NWZ-A726/A726B/A728/A728B/A729
8 9
SDR_D31
E2
DQ31
SDR_D30
D3
DQ30
SDR_D29
D2
DQ29
SDR_D28
B1
DQ28
SDR_D27
C2
DQ27
SDR_D26
A1
DQ26
SDR_D25
C3
DQ25
SDR_D24
A2
DQ24
SDR_D23
A8
DQ23
SDR_D22
C7
DQ22
SDR_D21
A9
DQ21
SDR_D20
C8
DQ20
SDR_D19
B9
DQ19
SDR_D18
D8
DQ18
SDR_D17
D7
DQ17
SDR_D16
E8
DQ16
SDR_D15
R2
DQ15
SDR_D14
N3
DQ14
SDR_D13
R1
DQ13
SDR_D12
N2
DQ12
SDR_D11
P1
DQ11
SDR_D10
M2
DQ10
SDR_D09
M3
DQ9