Alto PS 4 LA EVO - Electronic Schematic Diagrams

1 2 34
A B C D
4
321
D
C B A
PRE.SCH ( 1/1)
PS4LA-PRE.SCH
Titel
Size
A3
Model No:
PS4LA EVO
Revision
Date:
Sheet
of
1 1
File:
PS4LA EVO.SCH
Drawn By: jianjunzhou
1 2
3
JK2
LINK
1 2 T S G 3 R
JK1
INPUT
C8
22UF/25V
C1
22UF/25V
1
2 3
48
+ _
U1A
NJM2068LD
+ _ U1B
NJM2068LD
R2
10K
R1
10K
-15V
+15V R6
10K
R4 2.2K
R7
10K
R5 1K
R8 1K
R18 10K
R3 47K
R12 820R/2W
R11 820R/2W
C11
33P
C2
220nF
C3
100nF
C4
220nF
C5
100nF
C13
22nF
GND
C14
10U/63V
VR1
B50K
1 3 5 7 9
2 4 6 8 10
CN2 IDC-10P
C12 10P
GND
ZD2 15V/1W ZD1 15V/1W
C10
220UF/25V
C9
220UF/25V
C7 0.1U C6 0.1U
+15V
-15V
1 2
CN1 TO PL
R13 15K/0.5W
GND
ZD4
15V/1W
ZD3
15V/1W
ZD5
15V/1W
ZD6
15V/1W
R10 10R
C15
0.01UF/400V
6 5 4
SW2B
HSWA-2/3P
3 1 2
SW1A
HSWA-2/3P
GND GND
C17
1uF/25V
24/10/2009
AK
D1 RED LED
4. Schematic Diagram
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