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Skyworth 2522 User Manual

Skyworth 2522
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1
SKYWORTH
®
SERVICE MANUAL
COLOUR TELEVISION PAL/SECAM BG/DK /NTSC PLAYBACK
CHASSIS :
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5N11
MODEL: 2522, 2588, 25F1, 2998,
2922, 2929, 29F1, 3423,
3498, 3898,L25, D25, L29,
D29, L34,
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Skyworth 2522 Specifications

General IconGeneral
BrandSkyworth
Model2522
CategoryTV
LanguageEnglish

Summary

Chassis Adjustment

EEPROM Partial Initializing

Initializes the EEPROM partially before exfactory or after Chroma IC change.

Complete Machine General Adjustment

Screen Voltage Adjustment

Adjusts screen knob of FBT for a horizontal faintness beam line.

Focus Voltage Adjustment

Adjusts focus knob of FBT for the clearest picture from monoscope pattern.

Horizontal Center Adjustment

Adjusts H POSITION using PROG+/-, VOL+/- to center the pattern horizontally.

PAL System Vertical Pincushion Adjustment

Adjusts V LINE and V SCURVE for vertical pincushion correction.

PAL System Vertical Size and Vertical Center Adjustment

Adjusts V HEIGHT and V POSITION for vertical size and center.

White Balance Adjustment

Adjusts R, G, B cutoff and driver for white balance.

Sub-bright Adjustment

Adjusts grey scale signal for sub-bright setting.

RF AGC Adjustment

Adjusts RF AGC to eliminate picture noise disturbance.

NTSC System Horizontal and Vertical Adjustment

Adjusts horizontal and vertical parameters for NTSC system.

Warm Up Mode

Puts receiver into warm-up line without auto shut-off.

EEPROM Initialization Methods

Two Different Initializing

Explains full and partial EEPROM initialization methods.

Flat CRT Tube Adjustments

Horizontal Size and Pincushion Distortion

Adjusts horizontal size and pincushion for flat CRT tubes.

Option Code

Option Code Menu

Menu for setting various options like TV/AV sources, decoders, etc.

Colour Purity and Convergence Adjustment

Colour Purity Adjustment

Adjusts purity magnets for green field and deflection yoke for uniform green field.

Convergence Adjustment

Aligns red/blue dots with green dots using magnets and adjusts DY wedges.

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