Sony KP-43T75A service manual Section Disassembly, Rear Board Removal Service Position, KP-53SV75A

Page 25

		KP-43T75A/53SV75A
		RM-Y906 RM-Y906
SECTION 2
DISASSEMBLY
2-1. REAR BOARD REMOVAL	2-3. SERVICE POSITION
	1 Disconnect CN203
	on A board.
		From CG board CN1304.
		(The extension cable is not
		supplied because of the
	A board countermeasure for radiation.)
		CN203
	G board	2 Covers
2 Rear board		2 Covers
2 Rear board		Cut them off with a plier or the like

from chassis assembly in case of checking printed circuit boards. After checking, turn over the covers and secure them with screws.

	1 Nine screws (KP-53SV75A)	Chassis assembly	Screws
	Eight screws (KP-43T75A)
			(+BVTP3x12)
	(Screw(4x20), tapping)

2-4. HA BOARD AND HB BOARD REMOVAL

2-2. CHASSIS ASSY REMOVAL

(KP-53SV75A)

6 Four screws (+BVTP 4x12)

	7 HB bracket	8 Three screws
	7 HB bracket	(+BVTP 3x12)
		(+BVTP 3x12)

1Three screws

(Screw(4x20),tapping)

9 HB board

2 Two screws (+BVTP 4x12)

3 HA bracket

4 Multi button

5 HA board

2 Chassis assy

Speaker grille assy

1 Two screws

(Screws (4x20), tapping)

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Image 25

Contents Color Rear Video Projector KP-43T75A/53SV75A SpecificationsSelf Diagnosis Function Blinking count display of TIMER/STAVDBY indicatorSummary of Self-Diagnosis Function Diagnosis Items and Prediction of Malfunction LocationSelf-Diagnosis Screen Display Self-diagnosis screen displaysSelf-diagnosis function operation Self-diagnosis block diagramOVP Detect Circuit Adjustments Table of ContentsDisassembly SET-UP AdjustmentsSection General Remote ControlCarrying Your Projection TV Installing the Projection TV Making Connections Connector TypesConnecting a VCR and projection TV to a cable box Connecting a cable TV system/ antenna to a VCRConnecting a camcorder Connecting a DVD Player Upper illustration Connecting two VCRs for tape editingSetting Up the Projection TV Automatically Using the Remote ControlConnecting an audio system Upper illustration Inserting the batteriesTo perform Auto SET UP again Adjusting the Convergence Automatically Flash FocusWatching the TV Watching Two Programs at One Time PIP To exit from the menus at any time Learning Menu SelectionUsing the Audio Menu Using the Video MenuTo restore the factory settings To select the Video menuTo select the Reloj menu Using the Reloj MenuTo select the Ajustes de canal ch menu Ch Using the Ajustes de canal MenuSetting Canal favorito manually Setting and Selecting Canal favoritoUsing Canal favorito Changing Canal favorito choicesTo select the Ajustes menu Using the Ajustes MenuSetting the Manufacturers Code To operate the cable box Manufacturer code numbers cable boxTo operate the projection TV No color Rear Board Removal Service Position Section DisassemblyHA Board and HB Board Removal Chassis Assy Removal KP-53SV75AKP-43T75A HA, HB and FB Board Removal Mirror Cover RemovalRemoval A, G and FA Boards Removal HIGH-VOLTAGE Cable InstallationPicture Tube Removal Section SET-UP AdjustmentsPole Magnet Adjustment GREEN,RED Focus VR AdjustmentPole Magnet Adjustment Defocus Adjustment BlueAdjusting Buttons and Indicator Electrical Adjustment by Remote CommanderData Adjustment Data Standard Number Range Service Mode ListKP- RM Adjustment Data Standard NumberDAC D/A Converter CCD Closed Caption Decoder Setup for Adjustment Registration Adjustment PJEGreen Center Green Registration AdjustmentBlue Registration Adjustment RED Registration AdjustmentFinal Check Error Code List Auto Registration Error Code ListSection Safety Related Adjustments +B OVP Confirmation TV Input SUB Contrast Adjustment VPTR-GDRV Section Circuit AdjustmentsTV Input SUB-HUE and SUB-COLOR Adjustment VPTR-SHUE, Scol PIP SUB Contrast Adjustment SC-SYDRPIP Position Adjustment PI-PIPH, PIPV, PPH5, PPV5 BAR Display Position Adjustment OP-DISPText Position Adjustment CCD-CCHP Block Diagram Section DiagramsLine Video Peak Hold ResetBuff IC805 PJED-CPUTo a CRR DrivePower Supply G H/V OUT Printed Wiring Boards and Schematic Diagrams Frame Schematic DiagramCircuit Boards Location Micro Inductor3 Board IC406 TDA7265 3 Board Waveforms3 Board IC1011 CXA2079Q BV DAC 3 Board IC807, 815, 816 ∝ PD6376GS-E2? a 2/3 board 3 Board IC1902 CXA2019AQ-T4 Board3 Board IC1903 BU4053BCF-T2 3 Board IC1904 CXA1315M-T4Board IC654 DM-58 Board WaveformsBoard IC651 ∝ PC393C CG CR CB board CB Board CB Board Waveform CR Board WaveformCG Board Waveforms CG BoardFunction Keys HA Board HC BoardHB Board FA Board FB Board FB Power SwitchNJM7805FA SemiconductorsD1NL20U Cover KP-43T75A Section Exploded ViewsREF. NO. Part no Description Remark REF. no Cover KP-53SV75AChassis KP-43T75A 152 113 115Chassis KP-53SV75A Picture Tube 212Resistors Section Electrical Parts ListCapacitors PF ∝∝ F 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 HC HA HB S 125 965-413-01