KV-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65

RM-952

RM-952

RM-952

RM-915

RM-952

SECTION 4

CIRCUIT ADJUSTMENTS

4-1. ADJUSTMENTS WITH COMMANDER

Service adjustments are made with the RM-952 for XF21/XF51 and RM-915 for HF51 that comes with this unit.

a. ENTERING SERVICE MODE

With the unit on standby

[DISPLAY]

5

VOL (+)

[POWER]

This operation sequence puts the unit into service mode.

b.METHOD OF CANCELLATION FROM SERVICE MODE

Set the standby condition (Press [POWER] button on the commander), then press [POWER] button again, hereupon it becomes TV mode.

1, 4 Select the adjustment item.

3, 6 Raise/lower the data value.

[MUTING]

Writes.

 

-Executes the writing.

7, - All the data becomes the values in memory. 8, - All user control goes to the standard state.

5, - Service data initialization (Be sure not to use usually.)

2, - Write 50Hz adjustment data to 60Hz, or vice versa.

MUTING DISPLAY POWER

c. METHOD OF WRITE INTO MEMORY

1)Set to Service Mode.

2)Press [1] (UP) and [4] (DOWN), select an item of adjustment.

3)Press [MUTING] button and it will indicate WRITE on the screen.

4)Press [0] button to write into memory.

d. MEMORY WRITE CONFIRMATION METHOD

1)After adjustment, pull out the plug from AC outlet, and then plug into AC outlet again.

2)Turn the power switch ON and set to Service Mode.

3)Call the adjusted items again to confirm adjustments were made.

1 2 3

4 5 6

7 8 9

Ö￿ 0 JUMP

SOUND ç￿ PROGR MODE

FAVORITE

MTS VIDEO TV

1 2 3

4 5 6

7 8 9

JUMP

0

ENT

 

SOUND VOL

CH

MODE

 

 

FAVORITE

 

 

WAKE UP

 

SELECT

SLEEP

 

PIC MODE

AUTO ADD/ CABLE PROGRAM ERASE

The screen display is :

TV

TV

 

Device Name

 

Item Name

Marking of virgin NVM

 

 

 

 

 

 

Item No

 

 

Data

 

 

Mode

 

RM-952

RM-915

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GEO

00

HPS

1C

p

SERVICE 50

 

 

PAL, SECAM : 50

 

 

 

 

 

601S

1.0C

59

7F

0

000A

 

NTSC

: 60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Suffix No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(OEM Code)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Software version

 

Total Power-On time (hours)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 55 –

Page 44
Image 44
Sony KV-HF51P50, KV-XF51M65, KV-XF21N90, KV-XF21M83 service manual RM-952 RM-915, Adjustments with Commander

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.

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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.