(4)Turn the deflection yoke of R or B and set so that the inclination of R or B with respect to the green light is as shown below on the top and bottom sides.

(5)After raster inclination adjustment, fixing screw

of DY should be screwed with 12+2kg-cm torque.

 

 

t?,

+2 mm

 

 

iREDC34

1

1 F”-f-

. . . . f

f . . . . . i

i .... 1

n!yIIz

 

 

 

 

 

t2

II-

I

CROSSHATCH (GREEN)

Notes: (1) If internal cross-hatch does not appear after

clearing RAM data, press service switch

again, on POWER/DEFLECTION PWB.

(2)To restore old RAM data, turn TV off and on.

2.7Raster position adjustment

Adiustment oreparation

(1)The set’can face east or west. Input the single cross test signal.

I:; Set video conditions to factory reset.

(4)The lens focus adjustment should have been completed.

(5)The electric focus should have been coarse adjusted.

(6)The digital convergence RAM should be cleared

(uncorrected state). With the TV set off, press and hold the service switch located on the

Power/Deflection PWB and then press the power button.

(7)Start adjustment 20 minutes or more after TV is turned on.

Adjustment procedure

(1)Turn the centering magnets for red, green, and blue to satisfy the condition below. The red and blue horizontal lines should match with green.

twa4

Geometric center of the

Cl t2

NOTES: (1) If internal cross-hatch does not appear after

clearing RAM data, press service switch again.

(2)To restore old RAM data, turn TV off and on.

2.6Vertical size adjustment (R630)

Adjustment preparation

I:;The set can face east or west.

Input the single cross test signal.

(3)Set video conditions to factory reset.

(4)The lens focus adjustment should have been completed.

(5)The electric focus should have been coarse adjusted.

(6)The digital convergence RAM should be cleared

(uncorrected state) . With the TV set off, press and hold the service switch located on the

POWER/DEFLECTION PWB and then press the power button.

(7)Start adjustment 20 minutes or more after TV is turned on.

Adiustment procedure

(1)Turn only the green by applying covers to the red and blue lens or shorting the 2 pin TS con- nectors on the red and blue CPT P.W.B.

(2)Count the vertical lines of the DCU cross hatch. If the number of vertical lines is 9, go to step (3). If the number of vertical lines is 8, push “HELP” key and then “5” key on the R/C so the number of vertical lines becomes “9”.

(3)Turn vertical amplitude adjustment VR (R630) so that the distance between the top and bottom horizontal lines is equal to the size shown in the table.

t: Size ma4

60” 8OOk 5mm

50” 65Ok 5mm

Note: (1) If internal cross-hatch does not appear after

clearing RAM data, press service switch

again (on POWER/DEFLECTION PWB).

(2) To restore old RAM data, turn TV off and on.

29

Page 29
Image 29
Hitachi 60SBX78B, 50SBX78B service manual +2 mm, Twa4, Vertical size adjustment R630

60SBX78B, 50SBX78B specifications

The Hitachi 50SBX78B and 60SBX78B are advanced plasma televisions that represent the pinnacle of display technology in their respective categories. These models bring together innovative features, cutting-edge technology, and sleek design, ensuring an immersive viewing experience for consumers.

One of the standout characteristics of the Hitachi 50SBX78B and 60SBX78B is their screen size, with the 50-inch model catering to smaller spaces while the 60-inch offers a more cinematic experience. Both models boast impressive Full HD resolution, delivering a crisp and vibrant picture quality that enhances any viewing experience, whether it be movies, sports, or gaming.

The technology behind these televisions includes Hitachi's proprietary image processing technology, which optimizes picture quality by minimizing noise and enhancing color accuracy. This leads to deeper blacks and brighter whites, ensuring that every scene is rendered with stunning detail. The Plasmavision technology further enhances the black levels and contrast ratios, making images pop off the screen.

In addition to superior image quality, both models come equipped with a variety of connectivity options. Multiple HDMI inputs allow users to easily connect various devices such as gaming consoles, Blu-ray players, and streaming devices. The inclusion of USB ports facilitates easy viewing of photos and videos stored on external drives.

Moreover, Hitachi televisions have integrated audio technologies that enhance the overall viewing experience. The built-in speakers provide clear sound, while the digital audio output allows for connection to external sound systems, giving consumers the flexibility to customize their audio experience.

Energy efficiency is also a notable feature of the Hitachi 50SBX78B and 60SBX78B models. They are designed to consume less power than traditional televisions, aligning with the growing demand for environmentally friendly electronics. This not only reduces electricity bills but also minimizes the carbon footprint.

The sleek and modern design of these plasma televisions makes them an attractive addition to any home décor. The slim bezel offers a larger screen-to-body ratio, maximizing the viewing area while maintaining an elegant appearance.

In summary, the Hitachi 50SBX78B and 60SBX78B offer a compelling package of features, technologies, and characteristics that cater to the needs of modern viewers. With superior image quality, versatile connectivity, and energy efficiency, these televisions are designed to deliver an exceptional home entertainment experience.