Diagrams; Block Diagram - Main Section (1/2) - Sony NW-HD3 Service Manual

NW-HD3
SECTION 5

DIAGRAMS

5-1. BLOCK DIAGRAM – MAIN Section (1/2) –
CN9502 (1/2)
DATA+ 8 DP
USB
DATA– 10 DM
CRADLE
CONNECTOR
VBUS 14 VBUS
VBUS
A
(Page 20)
99
BACK LIGHT
DRIVER
IC5001
+3.3V 4 VDD
8 LDR
OUT1
6
EL
BACK LIGHT
UNIT
NW-HD3
HARD DISK
DRIVE UNIT
71 72 73 74 77 78 83 84 85 81
D0 – 15
A0 – 2
D0 – 7
A0 – 7
USB XUCS0
XCS 27
CONTROLLER
XURD
XRD 28
IC2001
XUWAIT
XWAIT 29
XUWR
XWR 30
XUINTREQ
XINT 31
XRESET
XRESET 15
XSLEEP
XSLEEP 16
100
X2001
12MHz
ENA 3 XUCS1
CS
XUWR
WR
XURD
RD
XRESET_LCD
RESET
OUT2
LIQUID
5
CRYSTAL
DISPLAY
A0
UNIT
RS
D0 – 7
DB8 – 15
B+ SWITCH
Q2001
VDC (MOTOR)
VDC (LOGIC) +3.3V_HDD
148 146 143 142 144 145 147 141 140 47 48 49 50 51 52 53 54
D0 – 15
A0 – 2
XUCS0
115 XUCS0
XUCS1
116 XUCS1
XURD
117 XURD
XUWR
118 XUWR
MULTI INTERFACE
XUWAIT
119 XUWAIT IC7001
XUINTREQ
120 XUINTREQ
XRESET_LCD
161 RESET_LCD
XRESET
155 URESET
XSLEEP
156 USLEEP
159 BACKLIT_PWR
163 162 7 153 173 6 160 158
18 18
57 58 59
D0 – 15
DATA BUS
ADDRESS BUS
A1 – 23
D0 – 15
A0 – 12
BA0 73
BA1 74
XSCS 91
XRAS 92
XCAS 93
XSWE 94
LDQM 95
UDQM 96
SDCLK 97
SDCKE 98
3 4 152 151 150 149 154
• SIGNAL PATH
: AUDIO
IC1003 – IC7001
B (Page 19)
D0 – 15
C (Page 19)
A1 – 23
(Page 19)
D
SD-RAM
IC7002
20 BA0
21 BA1
19 XCS
18 XRAS
17 XCAS
16 XWE
15 LDQM
39 UDQM
38 CLK
37 CKE
IC3001 – IC7001
E (Page 19)
D33_MODE, GSEN_PWR
F (Page 20)
CHG_LIM, XCHG_USB
H
(Page 20)