Philips CDR785/00 Service Manual page 35

6-4
BLOCK DIAGRAM
SWITCHED MODE POWER SUPPLY / European & USA version
Lightning
L101, L102
Protection
F101
T2A
EMI-filter
CN101
MAINS SOCKET
Blockdiagram SMPS CDR785, 080300
T102
R152
switching
transistor
C105
Q151
22V
Q152
PC151
regulation
PC102
switch on/off
T101
switching
transistor
on/off
Q101
Q104
Q103
PC101
regulation
D251
+5V EVER
D252
C251
6,8V
overvoltage
protection
reference
IC251
Q251
D201
+12V
D206
C202
15V
overvoltage
protection
D202
+5V
C201
D203
R207
-8V
C204
Q202
D204
-30V
C205
R209
+F
C206
D205
-F
reference
+5V
IC201
6-4
CON1
ON/OFF
1
+5V EVER
-F1
+F1
CON2
-38V
+5V 7
+5V
+5V
+12V
+12V
-8V
11
-8V
1