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Power supply, Block diagram power supply – Philips CDR796 User Manual

Page 29

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6-4

6-4

D207

Q202

BLOCK DIAGRAM

SWITCHED MODE POWER SUPPLY /

European & USA version (/00 & /17)

CN101
MAINS SOCKET

F101

T2A

Lightning

Protection

L101, L102

EMI-filter

T102

6,8V

22V

+5V EVER

overvoltage

protection

Q151

PC151

PC102

switch on/off

regulation

regulation

IC251

D251

D252

Q152

R152

C105

C251

D201

D206

C206

CON1

1

12

ON/OFF

+5V EVER

+F1

-F1

-30V

+5V

+12V

-12V

Q251

Q202

22V

T101

27V

+12V

overvoltage

protection

C208

D203

C204

-12V

C202

D202

C201

+5V

+5V

IC201

Q101

Q104

on/off

switching
transistor

reference

PC101

Q103

R222

R209

D204

D208

C205

-30V

+F

-F

switching
transistor

reference

Blockdiagram SMPS CDR8xx, 040901

BLOCK DIAGRAM

POWER SUPPLY