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

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											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

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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