Schematic Diagram - Switch Board - Sony D-NE300 Service Manual

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3 7 6 3 1 5 1 5 0
6-10. SCHEMATIC DIAGRAM – SWITCH Board –
XRES
XCS
XWR
XRD
A0
D7
D6
D5
D4
D3
D2
LCD2001
LIQUID D1
CRYSTAL
D0
DISPLAY
VDD
PS
VDD2
VSS
VOUT
V0
T E
L 1 3 9 4 2 2 9 6 5 1 3
C3+
C2+
C2-
C1+
C1-
w w w
.
CN2001
24P
R2001 0
R2014 0
C2001 1
C2002 1
C2003 1
C2004 1
R2005
2.2k
R2006
22k
S2007
ENTER
R2016
1k
x a o
y
i
http://www.xiaoyu163.com
8
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3 7 6 3
S2002
S2003
DISPLAY
MENU
R2010
10k
R2008 R2011
2.2k 22k
S2008 S2009
R2017
2.2k
R2018 R2019
4.7k 2.2k
u 1 6 3
.
19 19
http://www.xiaoyu163.com
D-NE300/NE300CK/NE301/NE301CK/NE306CK
2 4
9 9 8
CN2002
20P
1 5 1 5 0 8 9 2 4
S2004 S2005
R2012
22k
S2010 S2011
+ -
R2020
10k
R2021
4.7k
m
c o
2
9 9
RES
LCD_CS
WR
RD
LCDA0
D7
D6
D5
D4
D3
D2
D1
(Page 17)
D0
VCPU_2.0V
PS
VCC2_2.7V
DGND
AD_KEY1
AD_KEY2
9 8 2 9 9
SGND