Block Diagram - Main2 Section - Sony ICD-SX68 Service Manual

ICD-SX68/SX68DR9/SX78/SX78DR9/SX88
4-2.

BLOCK DIAGRAM - MAIN2 SECTION -

NAND_XWE
A4 NAND_WEZ
NAND_XRE
E3 NAND_REZ
NAND_XWP
H13 NAND_DA15
NAND_CLE
E9 NAND_CLE
NAND_ALE
D3 NAND_ALE
NAND_XCS0
M9 NAND_CSZ0
NAND_XCS1
C2
NAND_RXBO
D2
NAND_RXB1
H8
NAND_XWP
19 XWP
NAND_XWE
18 XWE
NAND_ALE
17 ALE
NAND_CLE
16 CLE
NAND_XCS1
10 XCE2
NAND_XCS0
9
NAND_XRE
8
NAND_RXBO
7
NAND_RXB1
6
ICD-SX68/SX68DR9/SX78/SX78DR9/SX88
IC1001(2/2)
SYSTEM CONTOLLER
NAND_CSZ1
NAND_RBZO
NAND_RBZ1
NAND_DA0-DA7
B4,C4,D4
E4,L9,E6,
G22 K26 D15 C8
F22 E15 A17 E11 H26
K9,E8
+3.1V
VDD_DCCOUT33
29-32
41-44
I/01-I/08
IC2701
FLASH
MEMORY
XCE1
XRE
R/B1
R/B2
SDR_CSZ0 T3 G9
SDR_BA1 T4 G8
SDR_BA0 AB5 G7 BA0
SDR_WEZ R5 F9
SDR_RASZ T5 F8
SDR_CASZ U8 F7
SDR_CKE0
T1 F3 CKE
SDR_CLK AA5 F2 CLK
SDR_DQM1 R4 F1
SDR_DQM0
P5 E8 LDQM
R1,R8,N1,
A2,A8,B1
N2,N3,N4,
B2,B8,B9
SDR_DATA0-15 N5N8,M4,
C1,C2,C8
M5,M8,P1,
C9,D1,D2
P2,P3P4,
D8,D9,E1
P8,
E9
H9-7,
U2-5,
V8,4,5 H3-1,
SDR_A0-11
W4,5, G3,G2,
Y4,5, J8,7,
J3,2
AA4
USB CONTROLLER
EXM_RDZ J19 A6
AB0_WRZ H16 B5 WR1_N
C5 WR0_N
H18,19
H2,3
AB0_A1- A6
D18,20
G3,4
C20,E18
F4,E4
H4-8
H22-25,F25
C25,G23-25 G5-8
AB0_D0 - D15
E5-7
E25,J22-24
F5-8
F24,D24,25
AB0_CSZ0 A5 CS_N
H17
AB0_F24/DAK D4 DACK0-N
F23
AB0_A25/DPQ E24 C4
SDR_DATA31 A2
H5
Q8501
GPI07 AB3 C6
SWITCH
J5
SDR_DATA30
IC8002
G4 4
EXTRST 3
RESET
MAIN1
A UNREG35-DET
SECTION
(Page 13)
IC1802
IC8501
1 4
DC/DC CONV.
+3.1V REG
IC8001
Q1665
4 VOUT SHDN 1 DETECT
SWITCH
VOUT VIN
4 2
IC8502
4
+1.5V 1
+1.5VREG
VDD_UNREG
D1601
Q1603
SWITCH
Q1601
SWITCH
14 14
IC2602
SRAM
CS
BA1
WE
RAS
CAS
DQM1
DQ0-7
DQ8-12
DQ13-15
A0-A11
IC8503
RD_N
XIN E1
X8501
24MHz
E2
XOUT
AB0_A1 - A6
VBUS
AB0_D00 - D15
Q8502
IC8504 Q8004
VBUS C2
SWITCH DETECT SWITCH
DREQO_N
DM B1
RST_N
DP C1
INT_N
Q1667
IC8003
4 1
SWITCH DETECT
Q1608
SWITCH
Q1668
IC1603
SWITCH
AMP
INT+
4
OUT
Q1609
SWITCH
Signal path
: PB
: REC
1
VBUS
CN8002
2 D-
(USB)
3 D+
4 ID
5 GND
Q1664
SW
1
DRY BATTERY
Q1663 SIZE "AAA"
SW
(IEC DESIGNATION LR03)
2PCS. 3V