Psu Board - Philips MX1015D/37 Service Manual

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PSU BOARD

TABLE OF CONTENTS
PQ12CG3032F & PQ3RD13 Internal Block .................... 5-1
Components Layout + Voltages ...................................... 5-2
Circuit Diagram ................................................................ 5-3
Electrical parts list ............................................................ 5-4
5-1
10/21/2012
PQ12CG3032F Internal Block
PQ12CG3032F
V 1
IN
COM 3
Overcurrent
Detection Cricuit
Overheat
Detection Circuit
PQ3RD13 Internal Block
DC Input 1
Specific IC
3 GND
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5-1
Voltage On/Off
Regulator Circuit
PWM Comp
+
- Soft
Start
-
+
Q
Oscillator Error Amp.
F/F
R
S
2 DC Output
4 ON/OFF Control
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2 V
OUT
5 ON/OFF
4 0
ADJ
Vref