Block Diagram - Main Section-2 - Sony ICD-CX50 Service Manual

4-2. BLOCK DIAGRAM – MAIN SECTION-2 –
IC3951
SDRAM
2,4,5,7,8,10,
11,13,42,44,45,
DQ0-15
47,48,50,51,53
22-26,
A0-11
29-35,
22
17
XCAS
XRAS 18
BA0 20
21
BA1
LDQM 15
UDQM 39
16
XWE
XCS 19
38
CLK
CKE 37
VDD
IC10901
+2.5V REG.
3 VOUT VDD
CE
6
1
CE
4 VOUT VIN
IC10951
+3.1V REG.
ICD-CX50
237-252 SDR_DATA16-31
201-212 SDR_A00-11
217 SDR_CASZ
SDR_RASZ
256
215 SDR_BA0
216 SDR_BA1
257 SDR_ULDM
258 SDR_UUDM
259
SDR_WEZ
219 SDR_CSZ0
255 SDR_MCLK
218 SDR_CKE
EVDD3
1 VUNREG
40 GIO_P07
36 GIO_P03
NAND_XWE
168 EXM_D28_NAF_WEZ
NAND_XRE
169 EXM_D29_NAF_REZ
NAND_XWP
3 170 EXM_D30_NAF_WPZ
NAND_CLE
86 GIO_P53
NAND_ALE
GIO_P54
87
NAND_XCS0
89 GIO_P56
NAND_XCS1
90 GIO_P57
NAND_RXB0
93 GIO_P60
EXM_D16-23/
NAF_DATA0-7
156-163
IC5001
NAND
FLASH MEMORY
29-32,
VCC 41-44
I/01-I/08
NAND_XWP
WP
19
NAND_XWE
18 WE
NAND_ALE
17 ALE
NAND_CLE
CLE
16
NAND_XCS1
10 NC
NAND_XCS0
9 XCE
NAND_XRE
8 RE
NAND_RXB0
7 R/B
EXM_CSZ1 129
EXM_CSZ0 128
EXM_BEZ0 132
EXM_BEZ1
133
EXM_RDZ 136
EXM_WRZ 137
RESETZ 4
EXM_D00-15 140-155
MCPU_XREQ
GIO_P32 65
MCPU_XACK
GIO_P33 66
MCPU_XSLEEP
GIO_P34 67
MCPU_XWBT
IC1001(2/3)
GIO_P35
68
DSP MCPU_OSCEN
OSCEN 6
MCPU_XHZC
NZC 8
EXM_A1-22 102-123
GIO_P31 64
EXM_CSZ2 130
EXM_DAK 138
EXM_DRQ 139
GIO_P43 76
SIOS_CS 186
IC4001(2/3)
SYSTEM CONTROLLER
P12 38
P45/INT25/U20 64
P00 48
P14 36
MCPU_XREQ
23 X1 P40/INT20/EC 59
MCPU_XACK
P03 45
MCPU_XSLEEP
X4301
P20/PWCK 32
11.059MHz MCPU_XWBT
P04 44
MCPU_OSCEN
22 X0 P02 46
MCPU_XHZC
P01 47
13 13
IC9501
FLASH MEMORY
39 XCE1S
41 XCEF
44 XLB
45 XUB
42 XOE
43
XWE
40 CE2S
47 XRST
49-56
24-28
DQ0-15
31-33
IC14911
AND GATE
1-21 A0-22
1
4
2
IC9301
USB CONTROLLER
Q14931
24-39 D0-15
18-23 A1-6
CN9240
56 CS_N (USB)
58
DACKO_N
VBUS
5 1 VBUS
57 DACQO_N DM 3 2 D-
OP 4 3 D+
4 ID
51 IN_N
5 GND
55 9 6 SHIELD
WR1_N AFEA33G
54 WRO_N
53 RD_N XIN 10
X9220
24MHz
XOUT 11
63
RST_N
ICD-CX50
RESET POWER
A
SECTION
(Page 14)
S14901
RESET
POWER
VBUS
B
SECTION
(Page 14)