Schematic Diagram - Main Section (2/6) - Sony NW-A805 Service Manual

5-5. SCHEMATIC DIAGRAM – MAIN Section (2/6) –
1 2 3
A
MAIN BOARD
(2/6)
VDD_GP1
USB_INT
AB0_XDRQ
B
C
AB0_XRD
AB0_XRD
AB0_XCS2
AB0_XCS2
AB0_XACK
AB0_XACK
D AB0_A1
AB0_A1
AB0_A2
AB0_A2
AB0_A3
4 AB0_A3
AB0_A4
AB0_A4
AB0_A5
MAIN
AB0_A5
BOARD
AB0_A6
(3/6) AB0_A6
AB0_A7
(Page 24)
AB0_A7
AB0_A8
AB0_A8
E
AB0_D0
AB0_D0
AB0_D1
AB0_D1
AB0_D2
AB0_D2
AB0_D3
AB0_D3
AB0_D4
AB0_D4
AB0_D5
AB0_D5
AB0_D6
AB0_D6
F
AB0_D7
AB0_D7
AB0_D8
AB0_D8
AB0_D9
AB0_D9
AB0_D10
AB0_D10
AB0_D11
AB0_D11
AB0_D12
AB0_D12
AB0_D13
AB0_D13
AB0_D14
AB0_D14
G AB0_D15
AB0_D15
AB0_XWR
RESETZ
FLASHCLK
USB_XRST
USB_PWRCTL
H
5
I VDD_UNREG
MAIN
DGND
BOARD
(6/6)
(Page 27)
J
K
NW-A805/A806/A808
• See page 28 for IC Block Diagrams.
4 5 6 7
IC B/D
IC506
D FLIP-FLOP
R517
0
CK VCC
D
/PR
IC506
TC7WG74FC
/Q /CLR
GND Q
GND
R514
9
10
AB0_D1
AB0_D2
AB0_D3
C513 AB0_D4
C514
0.1
0.1
AB0_D5
IC B/D
AB0_D6
IC505
AB0_D7
D FLIP-FLOP
AB0_D8
CK
VCC AB0_D9
D
IC505 /PR
TC7WG74FC
AB0_D10
/Q /CLR
R513
GND
Q 100k
GND AB0_D11
9 C515
0.1 AB0_D12
AB0_D13
AB0_D14
C510
0.1
AB0_D15
IC507
INVERTER
IC502
IC507
TC7SG04AFS
RESET SWITCH
R519
1 VCC 5
100k
IC502
GND R516
2 TC7SG08AFS
10
3 NC 4
1 VCC 5
2 GND
3 4
IC B/D
B2
IC503
+3.1V REGULATOR
VCONT VOUT
IC503
TK63731BCB-G
A1
C511
1
8 9 10
IC B/D
H4 F2 F1 G1 D3 E2 C5 E1 C4 D2 F4 G4 E3
CD1
CD2
CD3
CD4
CD5
IC501
CD6
USB CONTROLLER
CD7
IC501
CD8 S1R72V17B00A20B
CD9
CD10
CD11
CD12
CD13
CD14
CD15
A5 B3 C2 A2 A7 C7 G2 D7 B2 B4 B5 B6 B7
R521
0
C504
0.1
6 5 4
IC504
+1.8V REGULATOR
IC B/D
1 2 3
23 23
11 12 13 14
R509
0
R520
100k
IC508
C516
TC7SG04AFS
0.1
1 VCC 5
2 GND
NC B
3 4
C517 0.1 SN74AVC1T45YZPR
DIR
IC508 VCCB
INVERTER
H2 F3
XWRL
AB0_XRD
XRD
CLKIN
C503
XRESET
1
VBUS
R507
VBUSEN
10
VBUSFLG
DM
DP
R506
6200
R1
R505
100k
BURNIN
R504
100k
ATPGEN
R503
100k
TESTEN
R502
C501
0 18p
XO
X501
XI 12MHz
C502
15p
G7 A1
NW-A805/A806/A808
15 16 17
R510
22
IC B/D
IC509
LEVEL SHIFT
IC509
A
GND
VCCA
C518
0.1
6
VCC_VBUS
USB_DM
MAIN
BOARD
USB_DP
(4/6)
(Page 25)