Chapter 09 Page 3 - Philips FTV2.3 Repair Manual

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Repair The Power Supply Out the Set
Short circuit On/Off switch, pin 1 and 2 connector 319.
Connect VCEGO (p13) and VSAGO (p15) of CN307 to a +2,5V from the +3,3v STBY SW.
For a regulated output voltage, connect test point VRS (pin 7) and VRA (pin 9) of CN307 to + 1V. Connect
to the two solder island near connector 307 (flex foil connector).
Load +3,3V stby with 15 Ohm resistor (I must be 0,2A).
Load Vs with Lamp on CN323 pin 10. (lamp220V/75W I =176mA (82,3V))
Vs Min load between 0,1 to 0,5A, Max load = 0,5A
Load VA with lamp on CN 323 pin 1. (lamp 220V/100W I = 200mA (53,6V))
VA Min load between 0,1A to 0,5A Max load = 2A
Load Vcc (5V) with resistor 8,2 Ohm, the Max load for VCC = 7A.
Load 3V3 with resistor 3,3 Ohms or 1,5 Ohm
Connect power supply to mains, by connector 308.
3
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