Dc/Dc Converter Panel - Philips LC7.1HE LA Service Manual

Circuit Diagrams and PWB Layouts

DC/DC Converter Panel

1
DUAL DC CONV
DC01
A
+12VB
I010
5000
10u
B
C
+12VB
I015
5003
10u
D
E
3139 123 6255.1
1
LC7.1HE LA
2 3
7000
L5973D
Φ
VCC VREF
5001
1
OUT
3
I012
INH 33u
5
FB
2
I013
SYNC
4
COMP
GND GND_HS
I014
7001
L5973D
Φ
VCC VREF
5004
1
OUT
3
I017
INH 33u
5
FB
2
I018
SYNC
4
COMP
GND GND_HS
I019
2 3
7. 66
4 5
+5V
I011
5002
10u
+3.3V
I016
5005
10u
4 5
6 7
DC01
+12VB
1003
F010
+3.3V
1
2 F011
+5V
3
4 F012
5
6
7 8
F013
S6B-PH-SM3-TB-A
H_17150_019.eps
130807
6 7
1003 A7
2000 B1
2001 B1
2002 B3
2003 B3
2004 B4
A
2005 B4
2006 D1
2007 D1
2008 D3
2009 D3
2010 D4
2011 D4
3000 B3
3001 B4
3002 B4
3003 E3
3004 D4
B
3005 D4
5000 A1
5001 B3
5002 B4
5003 C1
5004 D3
5005 D4
6000 B3
6001 D3
7000 A2
7001 C2
F010 B7
C
F011 B7
F012 B7
F013 B7
I010 A2
I011 B4
I012 B3
I013 B3
I014 B3
I015 C2
I016 D4
I017 D3
D
I018 D3
I019 D3
E