Hitachi 60SBX78B, 50SBX78B service manual Adjustment, Crt, Cpt

Page 23

 

 

 

 

 

 

 

 

 

 

 

SERVICE

ADJUSTMENTS

 

1. ASSEMBLED

P.W.B. ADJUSTMENT

.....................................................

 

 

.24

l-l.

Memory

Initialization

............................................................

 

 

 

 

.24

l-2.

Comb

Filter

Operation Check

 

 

.24

l-3.

Sub Picture

 

Position

Adjustment

...................................................

 

.24

2. FINAL ASSEMBLY

 

ADJUSTMENT

. . .

. . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. .25

2-l.

FocusAdjustment

 

 

 

 

 

 

2

5

2-2.

White

Balance

Adjustment

 

.......................................................

 

 

.26

2-3.

SubBrightness

Adjustment

.....................................................

 

 

..2 6

2-4.

Sub Picture White Balance Adjustment

 

.27

2-5.

Surround

Check

 

 

 

 

 

 

..2 7

2-6.

Raster

Inclination

Adjustment

(Deflection

Yoke)

.28

2-7.

Raster

Position

Adjustment

.......................................................

 

 

.29

2-8.

Vertical

Size

Adjustment

(R630)

...................................................

 

.29

2-9.

Horizontal

Size

Adjustment

(R603)

 

.30

2-10.

BeamAlignment

 

 

 

 

 

 

3

0

2-11.

Beam

Shape

Adjustment

.......................................................

 

 

 

..3 0

2-12.

Static

Focus

Adjustment

.........................................................

 

 

 

.31

2-13.

Blue Defocus

Adjustment

.......................................................

 

 

 

..3 1

2-14.

Digital

Convergence

 

Adjustment

...................................................

 

.31

 

 

 

2-14-l.

Phase

Adjustment

(service

mode)

.32

 

 

 

2-14-2. Raster Position Adjustment

............................................

.32

 

 

 

2-14-3.

Convergence

 

Point

Adjustment

.........................................

.33

 

 

 

2-14-4.

Digital

Convergence

Remote

Control

.33

2-15.

Guide

+ OSD Adjustment

........................................................

 

 

 

.34

3. ADJUSTMENT

 

POINT

................................................................

 

 

 

 

 

 

.35

3-l.

CRT

(R)(G)(B),

Cabinet

Locations

...................................................

 

.35

3-2.

Main

Chassis

(Signal

P.W.B.)

.......................................................

 

 

.36

3-3.

Main

Chassis

 

(Power/Deflection

P.W.B.)

 

.37

3-4.

CPT

(R)(G)(B),

Focus

Pack,

Control

P.W.B

.38

23

Image 23
Contents Projection Color Television ContentsSafety Notice USE Isolation Transformer When Servicing Leakage Current for Appliances and Underwriters Safety PrecautionsDetailing X-radiation Shield TubePage Immediately before handling any semiconductor Servicing PrecautionsUse Solding Iron to Pry Leads Bare Jumper Insulated Jumper WireDetermine the positions Soldering Iron Iron wireTechnical Cautions IPOWER/DEFLECTION PWBStereo Audio Output Audio Output PowerDimension 50SBX78B Audio InputTransmitter General InformationBrightness Color Tint Customized Picture and Sound AdjustmentsCursor COLOR, TintBass IllVCR TV Guide PLUS+Guide Example StepOutside antenna or Cable TV coaxial cable SelectAudio RecallVCR #I 0Set U END of SET UP Covering the high voltage output FBTRemark Make sure the silicon cover isCPT AdjustmentCRT Adjustment procedure Adjustable data Others Fixed data be careful not to changeWhen Exchanging Time Tour at first Power on byContrast Half Brightness Minimum Final Assembly AdjustmentSub brightness adjustment White balance adjustmentMrn Repeat for P832 and ROM6 Green, P862 and ROM4 for RedPoint FrontrearCenter Front Rear Front RearTwa4 Vertical size adjustment R630+2 mm +- $$i Horizontal size adjustment R603 Adjustment preparationThis can eliminate the need for a complete Observing PointsConvergence first. Press front panel Magic After JIG Screen SpecificationBefore ROM Write Convergence point adjustmentDigital Convergence Remote Control Then Press RECALL’GUIDE+ OSD CRT, cabinet locations Adjustment PointROM8 ROM6 ROM4 SURROUNDP.W.B.SIGNALSUB B. VMMain Chassis Signal P.W.B IsciiIXI Power/Deflection P.W.BMain Chassis CPT R G B, Focus Pack, Control P.W.B OoorTvsv TroubleshootingYes OFFNo.~ Voltage at pin 5 Yes E991 blown YesYes Normal Normal Abnormal 0517 Q516Does on-screen 1501, 1903, 1001 Q108, Q109, QllO, Q008U102 Yes Vcc Sv, BP 5v, T3u102 Eception impossible with snow noise YesCl902 Defective SynchronizationPRT G PRT RU101 No SoundNtsc DCU Repair TableTV ON/OFF Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Exploded MEW Symbol Part Replacement Parts ListIooopfkb 50V Tape ProductComponents 5OV Symbol PartIEL TapeChip Symbol Product ServiceCSE3 Symbol Part Light DescriptionRmpgogd MTZJ-ICircuits Part SymbolTuner Unit 5MA UkdgCoil Part Description1OUH IoouhReceiver Through Improper Servicing QAI 1KJ Tape ROA2 ROP7 Replacement Parts List With a n Have special OOK-JB OK-JB SRD1/2P-SSRD1/2P-B IOK-JBRAC2 Chip1KJ MINI-CHIPIOK-JQ OHMRkio RgiiRlio Symbol Part NO.NO RY50 Symbol EF05951

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.