JBL DSC 1000 Service Manual - page 25
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
+1.8V
FOR LM833&NJM4558
TO CS5333
TO SERVO
TO U7
TO BH7862
TO SERVO
TO 74HC4052
TO U5
1239C-PV1
3.3
DSC1000 MAIN BOARD 041011
A3
3
22
Tuesday, November 30, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
Harman Kardon, Northridge, California 91329, USA
VCORE
VA+5V
VCC3.3
-12VA
SGND
AGND
DGND
DGND
5VD
PGND
VCC1.8
-5V
+5V
D5VCC
D5VCC
-12VCC
+A12V
AAGND
-12VA
+12VCC
+12VCC
-12VCC
DGND
VL
A3V_S
VPP
S5VA
5V
VA5V
PGND
S5V
+
EC12
47U/16V
FB3
FB
CB9
104
CB7
104
+
C17
100U/16V
D27
IN5393
CB93
104
L21
FB
TOP VIEW
T0-
252
GND
VIN
VOUT
13
5
DPAK
U2 SHARP 018EZ01
CB14
104
TOPVIEW
POWER
S
UPPLY
CON7
1
2
3
4
5
7
8
6
9
10
+12V
GND
-12VA
GND
+3.3V
A5V
GND
D5V
S5VCC
SGND
PAD2
INSTALL1
1
2
3
4
5
6
7
8
9
GND
GND
GND
GND
GND
GND
GND
GND
GND
+
C14
47U/16V
+
C16
220U/16V
FB7
50R
CB91
104
+
C1
220UF/16V
CB8
104
+
C6
47UF/16V
C5
470U/16V
C13
470U/16V
FB1
50R
C18
470U/16V
FB4
50R
CB11 104
CB5 104
FB6
50R
+
C3
220U/16V
L22
FB
CB10
104
CB116
104
FB9
50R
L11
FB
+
EC6
220U/16V
D26
IN5393
+
EC10
47UF/25V
R75
75R
L7
FB
D24
IN5393
+
EC4
220U/16V
C11
470U/16V
FB2
50R
L12
FB
L20
FB
CB2
104
PAD1
INSTALL1
1
2
3
4
5
6
7
8
9
GND
GND
GND
GND
GND
GND
GND
GND
GND
FB5
FB
GND
VIN
VOUT
12
3
U3
79L05
CB13
104
TP6
CB122
104
PAD3
INSTALL1
1
2
3
4
5
6
7
8
9
GND
GND
GND
GND
GND
GND
GND
GND
GND