High voltage package regular pin function replacement information

Filter 18.432M

High voltage package regular pin function replacement data The high voltage package is generally 10 regular pins, plus 2 to 5 pins of the focusing component. Put the high voltage package pin facing yourself, the U-shaped port facing down, and the clockwise number is 1 to 10 feet. The general high voltage package pins are defined as follows:

B+/+B——The input end of the primary coil of the high voltage package is connected to the output of the secondary power supply.

+B2——The input terminal tap of the high voltage primary coil. If there is no secondary power supply, multiple taps are placed in the high voltage package to maintain the high voltage stability under different line frequencies. Generally used for older models such as the ACER-34T.

+B3——The input terminal tap of the high voltage primary coil. If there is no secondary power supply, multiple taps are placed in the high voltage package to maintain the high voltage stability under different line frequencies. Generally used for older models such as the ACER-34T.

VCP - the output of the primary coil of the high voltage package, the take-over tube.

D/C - Connect the damper tube and the reverse path capacitor. Don't be intimidated by this pin, it's just the tap of the primary coil of the high voltage package, usually only 2 to 3 inches from the VCP end, to improve the damping linearity.

GND - Ground.

NC - empty feet. (This pin is not used internally or externally)

G1 - Negative pressure 100 to 200V output. The winding inside the package is about 10 inches.

AFC - line reverse pulse output. The winding inside the package is usually 2 turns and the voltage peak is about 35V.

FB - secondary power sampling output. The winding inside the package is usually 3 turns and the voltage peak is about 50V.

+5V - adjust the voltage at the center of the line. In the package, the winding is 2匝, and the cold end is connected to B+.

-5V - adjust the voltage at the center of the line. In the package, the winding is 2匝, and the cold end is connected to B+.

ABL - the cold end of the high voltage coil.

300V - power supply for the dynamic aggregation circuit. The voltage value is 200 to 600V. Sometimes in the package winding output, sometimes in the line tube C pole rectification.

DF - Dynamic focus voltage input.

SFR - The FV/SV adjustment potentiometer cold junction in the in-focus unit is usually grounded, but some models use it as a signal sample. HVR - the cold end of the HV-side sampling resistor in the package. This resistor is sampled directly at the HV terminal.

HVC - the cold end of the high voltage filter capacitor inside the package. Usually this foot is grounded, but some models use it as a signal sample.

FVR - the cold end of the focus-sampling resistor in the package. Unique to high-end machines, used to detect FV voltage.