Harman Kardon DVD 22 - Power Supply Regulator Circuit Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
1297C
TO-92
TO-92
2.0
DVD22 POWER SUPPLY
B
414Thursday, March 25, 2004
Title
Size Document Number Rev
Date: Sheet
of
Harman Kardon, Northridge, California 91329, USA
A-12V_IN
A+5V_IN
PVCC_IN
AGND
DGND
AGND
A+12V_IN
DGND
D+5V_IN2
D+3.3V_IN
D+5V_IN1
A-12V
VCC_3.3V
DGND
DGND
AGND
AGND AGND AGND AGND
AGND
D3.3V
DGND
VCC_1.8
DGND
DGND
AGND
AGND
D+5V
DAC+5V
A+5V
A+12V
AGND
AGND
AGND
AGND
DGND
M_GND
DGND
DGND
A3.3V
DGND
DGND
VCC5V
DGND
SA5V
DGND
C205
104
C40
330UF/10V
CB10
104
L14FB
L15FB
C72
104
C29
100UF/25V
C31
100UF/25V
C30
100UF/25V
C74
104
C38
100UF/25V
78L12
U1
3 2 1
Vin GND Vout
79L12
U4
2 1 3
Vin GND Vout
78L05U7
3 2 1
Vin GND Vout
L4FB
+
C2
100uF/16V
CB12
104
L13FB
CB2
104
C207
100uF/16V
C208
104
CB16
104
POWER SUPPLY
PH 2.0mm
CON13P 2.0mm
CN1
3
4
6
7
8
5
9
10
11
12
13
1
2
AGND
A+12V
AGND
D+5V
D+5V
A-12V
DGND
D+3.3V
DGND
PVCC
MGND
A+5V
A-5V
FB14 FB
D15
1N5393
1 2
CB3
104
+
C24
470uF/10V
C717
104
C70
104
FB6 FB
C63
100UF/16V
+
C26
220uF/10V
D14
1N5393
1 2
TOP VIEW
T0-252
GNDVIN
VOUT
135
DPAK
U8
SHARP 018EZ01
C64
104
D16
1N5393
1 2
+
C23
220uF/6.3V
CB8
104
CB4
104
C73
104
FB8 FB
FB10 FB
FB9FB
+
C68
470uF/6.3V
FB11FB
FB7 FB
C69
104
C75
104
C62
100UF/10V
+
C25
220uF/6.3V
C216
104
C65
104
D+5V
VCC_1.8
S1V8D
VCC_3.3V
A-12V
PVCC
D3.3V
DAC+5V
A+5V
A+12V
A3.3V
VCC5V
SA5V
DVD22 harman/kardon
Replacement of entire PCB assemblies or entire DVD22 loader is recommended. Schematics are for reference only.
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