Philips Delta Schematic
Subject: Power Supply DELTA date September 2011
Theo Heijnen
Consumer Care
Overview
Supplier: Delta
Article Id Description
2722 171 90337 MOD PSL 32 DPS-93BP A B
2722 171 90338 MOD PSL 42 DPS-139AP A B
2722 171 90339 MOD PSL 47 DPS-186FP A B
2722 171 90311 MOD PSU DPS-300AP-59 A B
8204 001 56651 MOD PSL DPS-318AP B
Remarks
Blockbuster - 32PFL66X6H/T/M/K /
Sundance - 42PFL74X6/H/T/M/K /
Infinity - 42/47PFL7XX6 / Infinity -
42PDL7906H/T/M/K
58PFL9955H/D & 9956H/T
46PFL9706H/T/M/K &
52PFL9606H/T/M/K
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Block Diagram
Protection for Output
@ OVP/OCP/Short/OPP
PS-on/off
Standby-3.3Vdc (0.2A)
AC input
Protection for BULK CAP
( LED Integrated Power Supply )
EMI Filter
OVP/output OPP
PFC
IC801
NCP1608
Main Power
IC901
ICE3BS03LJG
IC702
DDA009
LED Driver
Feedback
Sense Protection
for Line@ Open/
Short//OVP/UC
12Vdc (2A)
24Vdc5B(0.65A)
Main power Feedback
T wo light bar 118Vdc
BL_Dimming
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Output & Load condition
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Schematics_1/2
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Schematics_2/2
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EMI CIRCUIT
EMI stage
Key components for EMI solution: CX1& CX2 FL1 & FL2
V aristor Z1 is used to to protect against high-voltage transients and surges.
NTC1 is a negative temperature coefficient resistor in series with the line to limit the inrush
current when PSU first turn on.
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PFC CIRCUIT
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FLYBACK CIRCUIT_1/2
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FLYBACK CIRCUIT_2/2
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