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VT-1480B
Service manual
Sharp VT-1480B Service Manual
Video tv
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Contents
Table of Contents
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Table of Contents
Contents
Specifications
Important Service Notes
Servicing of High Voltage System and Picture Tube
X-Ray
Before Returning the Receiver
Disassembly and Reassembly
TV Section
VCR Section
Adjustment of the TV Electrical Circuitry
Chassis Layout
Video/Chroma Adjustment
CRT Cut-Off Adjustment
White Balance and Back Ground Adjustment
Sub-Contrast Adjustment
PAL Chroma Adjustment
Sub-Tint Adjustment
PAL Sub-Colour Adjustment
Bell Filter Adjustment
SECAM Killer Adjustment
R-Y/B-Y Discriminator Adjustment
Deflection Loop Adjustment
Focus Adjustment
Horizontal Center Adjustment
Vertical Linearity Adjustment
CRT Display Adjustment
Vertical Size Adjustment
Vertical Centering Adjustment
Sign Position Adjustment
Purity Adjustment
Adjusting Conditions
Convergence Adjustment
Static Convergence
Dynamic Convergence
Adjustment of the VCR Electrical Circuitry
Adjustment of Power Circuit
Test Points Layout
Adjustment of Servo Circuit
Adjustment of PAL System Playback Switching Point
Adjustments of NTSC System Playback Switching Point
Adjustment of PAL System Slow Tracking
Adjustment of PAL System Still Picture Vertical Sync
Adjustment of NTSC System Still Picture Vertical Sync
Adjustment of Audio Circuit
Checking of Playback Level
Adjustment of Bias Current
Checking of Erase Voltage and Oscillation Frequency
Adjustment of Y/C Circuit
Adjustment of EE Level
Adjustment of Recording Current
Adjustment of Y/C Playback Circuit
Adjustment of the if Circuit
Adjustment of Playback Video Signal Level
Adjustment of the AFT
Overall Wiring Diagram
Overall Block Diagram
Servo Process Block Diagram
System Control Block Diagram
Safety Device Block Diagram
Luminance/Chrominance Block Diagram
Audio Block Diagram
Timer Block Diagram
Block Diagram
Description of Schematic Diagram
Waveforms
Voltage Measurement Conditions
Important Safety Notice
System Control / Servo Circuit
Main Circuit
Y/C Circuit
Head Amplifier Circuit
VCR Power Circuit
Audio Circuit
Operation Circuit
Mother/Crt Circuit
Mother/Crt/Line Filter Circuit
Timer/Control Circuit
IF Pack Circuit
Tuner Circuit
Infrared Remote Control Circuit
Printed Wiring Board Assemblies
Parts List
Electrical Parts
Picture Tube
VCR Section Mechanism Chassis Parts
Cassette Housing Control Parts
VCR Section Mechanical Parts
TV Section Mechanical Parts
Packing of the Set
Setting Positions of the Knobs
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Vt-2198b
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