KV-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65

RM-952 RM-952 RM-952 RM-915 RM-952

TABLE OF CONTENTS

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SELF DIAGNOSIS FUNCTION

6

5. DIAGRAMS

 

 

 

5-1.

Block Diagram

67

1. GENERAL

10

5-2.

Frame Schematic Diagram

70

 

 

5-3

Circuit Boards Location

73

2. DISASSEMBLY

 

5-4. Schematic Diagrams and Printed Wiring Boards ...

74

2-1. 3D Speaker Box Removal

46

(1) Schematic Diagram of A (1/2) Board

77

2-2.

Rear Cover Removal

46

(2) Schematic Diagrams of A (2/2) and K1 and

 

2-3.

Chassis Assy Removal

46

 

VM1 Boards

82

2-4.

F Bracket Removal

46

(3) Schematic Diagrams of C5 and V1 Boards

91

2-5.

Service Position

47

(4) Schematic Diagrams of J3, H4 and F Boards

99

2-6.

Replacement of Parts

47

5-5.

Semiconductors

102

 

2-6-1. Replacement of Control Button

47

 

 

 

 

2-6-2. Replacement of Light Guide

47

6. EXPLODED VIEWS

 

2-7. H4 and K1 Board Removal

48

6-1.

Chassis (except KV-HF51P50)

105

2-8.

Terminal Bracket Removal

48

6-2.

Chassis (KV-HF51P50)

108

2-9.

Degauss Coil Removal

48

6-3.

3D Speaker

110

2-10.

Picture Tube Removal

49

 

 

 

 

 

 

7. ELECTRICAL PARTS LIST

111

3. SET-UP ADJUSTMENTS

 

 

 

 

3-1.

Beam Landing

51

 

 

 

3-2.

Convergence

52

 

 

 

3-3.

Focus Adjustment

54

 

 

 

3-4. G2 (Screen) and White Balance Adjustments

54

 

 

 

4. CIRCUIT ADJUSTMENT

 

 

 

 

4-1.

Adjustments with Commander

55

 

 

 

4-2.

Adjustment Method

56

 

 

 

4-3.

Picture Quality Adjustments

64

 

 

 

4-4. A Board Adjustment After IC003 (Memory)

 

 

 

 

 

Replacement

64

 

 

 

4-5.

Picture Distortion Adjustment

65

 

 

 

– 5 –

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Sony KV-XF51M65 Table of Contents, Diagrams, Disassembly, Exploded Views, SET-UP Adjustments, Circuit Adjustment

KV-XF21N90, KV-XF51M65, KV-XF21M83, KV-HF51P50 specifications

The Sony KV-HF51P50, KV-XF21M83, KV-XF51M65, and KV-XF21N90 are notable models within Sony's television lineup, showcasing a blend of pioneering technology and unique characteristics that cater to diverse viewer needs.

The Sony KV-HF51P50, featuring a 51-inch screen, is recognized for its exceptional display quality, leveraging Sony's Trinitron technology, which enhances color reproduction and brightness. This model supports a 4:3 aspect ratio, making it ideal for traditional television content. The KV-HF51P50 also includes a built-in comb filter that significantly improves image clarity by reducing cross-color artifacts. Additional features such as multiple input options and enhanced sound technology provide versatility and an immersive viewing experience.

The KV-XF21M83, on the other hand, introduces the Flat CRT technology, which minimizes the distortion common in conventional curved CRT displays. With a 21-inch screen, this model is a compact option ideal for smaller living spaces. One of its standout features is the advanced picture circuitry that ensures vibrant colors and sharp images. This television model also supports a variety of input connections, allowing users to easily connect gaming consoles and DVD players, and making it a versatile choice for entertainment.

In the larger category, the KV-XF51M65 offers a generous 51-inch screen size and incorporates numerous advancements, such as Sony's Dynamically Adaptive Picture Control. This technology constantly analyzes the incoming signal and adjusts the picture for optimal brightness and contrast, ensuring a consistently excellent viewing experience. The KV-XF51M65 also includes SRS Surround Sound technology, which creates an immersive audio environment to complement the stunning visuals.

Lastly, the KV-XF21N90, featuring a 21-inch display, stands out with its stylish design and reliable performance. This model focuses on user-friendly features, including an easy-to-navigate on-screen menu and customizable settings for picture and sound. Its flat-screen design not only contributes to aesthetics but also reduces glare, making it easier to watch in bright rooms. The durability and longevity of the KV-XF21N90 ensure it remains a staple in homes for years.

In summary, the Sony KV-HF51P50, KV-XF21M83, KV-XF51M65, and KV-XF21N90 collectively showcase Sony's commitment to quality and innovation in television technology. Each model offers distinct features that cater to a range of preferences, ensuring a top-notch viewing experience for all users.