Schematic Diagram -Main Section (2/3) - Sony ICD-UX71 Service Manual

ICD-UX71/UX71F/UX81/UX81F/UX91F
4-9.
A
(Page 19)
B
C
D
E
F
G
H
I
J
ICD-UX71/UX71F/UX81/UX81F/UX91F
SCHEMATIC DIAGRAM – MAIN Section (2/3) –
1 2 3
MAIN BOARD (2/3)
CPU_VDD_3.1
MAIN
12
BOARD
(1/3)
D[0-15]
CS0
RD
R6001
1M
MAIN
14
BOARD
DGND
(1/3)
(Page 19)
R6000
1M
A[0-19]
NWRENWRL
RES
R7001
470k
RB7003
470kX4
NAND_CNT
R/B
RE
CE0
CE1
MAIN
15
CLE
BOARD
ALE
(1/3)
(Page 19) WE
WP
R7011
470k
FD[0-7]
4 5 6 7
R6002
1M
JL6022
G3 H3 F3 E3 G2 H2 F2 E2 G1 H1 F1 E1
C6001
1u
C6000
0.1u
JL6021
VCC A1
JL6032 JL6020
DQ4 A2
JL6033
JL6019
DQ12 A3
JL6034
JL6018
DQ5 IC6000 A4
JL6035 JL6017
DQ13 A5
JL6036 IC6000 JL6016
DQ6 A6
JL6037 M29W160ET70ZA6E
JL6015
DQ14 A7
NOR FLASH MEMORY
JL6038
JL6014
DQ7 A17
JL6039
JL6013
DQ15A-1 A18
JL6012
VSS R/B
JL6040
BYTE NC
A16 CSP(CHIP SIZE PACKAGE) NC
JL6041
D6 C6 A6 B6 D5 C5 A5 B5 D4 D3 A4 B4
IC7000
*
HY27UT088G2A-TPCBDR
IC7000
K9GAG08UOM-PCBOT
K9LBG08UOM-PCBOT
NAND FLASH MEMORY
IC7000
*
R7012
RB7001
100k
470kX4
NC
NC
NC
NC
NC
NC
NC
NC
FD[7]
NC
I/O7
FD[6]
NC
I/O6
FD[5]
R/B I/O5
FD[4]
RE I/O4
CE NC
NC
NC
NC
NC
C7001
VCC
C7000 VCC
0.1u
0.1u VSS
VSS
NC
NC
NC
NC
CLE NC
FD[3]
ALE I/O3
FD[2]
WE I/O2
FD[1]
WP
I/O1
FD[0]
NC
I/O0
NC
NC
NC
NC
NC
NC
NC
NC
RB7002
470kX4
FD[0-7]
20 20
When IC6000 and IC7000 on the Main board are damaged, exchange
the new Main board for the Main board which IC damaged.
8 9 10
R6003
1M
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[17]
A[18]
(UX71/UX71F)
(UX81/UX81F)
(UX91F)
C7002
1u
11 12