Text preview for : C.pdf part of Dreambox DM500 Service diagram



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C413 C412
+5V R401 104 104
104
D R410 D
U15-75
000
C407
101
R407
IC40-11
104
C408
R403 102
223




16

15

14

13

12

11

10

9
+16V C409
101
C410




FB1




FB2
PG1

RUN/SS1

RUN/SS2

PG2
VC1




VC2
R402 101
24.9k 1% IC40 R405 R404
LT1940EFE 24.9k 1% 223
C C
GND




BOOST1




BOOST2
C423




SW1




SW2
Vin

Vin

Vin

Vin
104
D45
IN4148




1

2

3

4

5

6

7

8
J40
L404
2
1 PB2012-121
IC40-1
12V/1A

D46
1N4007 DO-41 C421 C403 R400 R406
105 750 75k 1% C401 C402 43k 1% C411
D41
104 104 D43 750
SMB MBR0531 SMB MBR0531
B B
C422 +
33u/25V C400
475
L405 L400
L402
PB2012-121
5R3N-R
+5V 8R2N-R +3.3V




D40 D42
C404 C405 SMB 403A­03
SMB 403A­03
106 104 C414 C415
106 104



Title
A A

Size Number Revision
A4
Date: 18-Jul-2006 Sheet of
File: E:\li\MyDesign.ddb Drawn By:
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