Sony KV-21FX30E, KV-21FX30B service manual IC Block Diagrams, Board IC1201 TDA7497

Page 31

5-5 IC BLOCK DIAGRAMS

A BOARD IC604 BA41W12ST-V5
		SW						A BOARD IC401/IC531 LM393DT
		SW
2	Vref		-		1
			+		1
			+					1
								1
5
								-	+		7
3	GND							2
			-		4			3		+	-
			+		4			3			6
			+								6
											5
	A BOARD IC601 MCZ3001D
					18		8
		Remote	DVLD		Internal	OFF		Driver
			DVLD		Internal	OFF		Driver
			15v/8v		ref 5v	Sel=34v	TSD	Reg. 10v
										14
								Level		16
								Shift		16
								Shift
	1	Vsense								15
										15
							Control
					Latch		Logic
										10
					Centre
										12
		SS		Osc
										11
					F/B	Timer		OCP		9
	5							OCP		9
		7	4	3	2	6
		A BOARD IC1201 TDA7497
							13
		1				+	Vss
		1				+
						-		14
						-
		8	Sgn Gnd		MUTE/STBY			9
		8	Sgn Gnd		MUTE/STBY
					PROTECTION			10
								10

11 Pwr Gnd	60K
5	+
	12
	-
7	GndPwr 15

39

Image 31

Contents FE-2CHASSIS Table of Contents Item Model Front Connection Panel Pin connector Rear Connection PanelHow to enter into Table Flash Timing Example e.g. error numberGeneral Introducing and Using the Menu System Sleep Timer Level Level 3 / Function Teletext Specifications Troubleshooting Speaker Box Removal Speaker Connector DisconnectionSpeaker Box Disassembly Rear Cover RemovalWire Dressing Service PositionBoard PWB Removal Step Picture Tube Removal How to handle the Anode-CapRemoval of the Anode-Cap SET-UP Adjustments Horizontal and Vertical Static Convergence PreparationOperation of the BMC Hexapole magnet TLV Adjustment Geometry Adjustment PreparationHtil Adjustment YCH AdjustmentFocus Screen G2 adjustmentWhite balance adjustment for TV mode Layout of each controlSub Brightness Adjustment How to enter into the Service ModeSub Contrast Adjustment Print side of a board Sub Colour AdjustmentTuner AGC Adjustment Deflection System AdjustmentTest Mode Memo Block Diagrams Reference Information Circuit Board LocationSemiconductor Voltage Table Board WaveformsSemiconductor Location Table KV-21FX30 Power SUPPLY, DEFLECTION, Audio Amplifier Page 1/2Board Waveforms Power SUPPLY, DEFLECTION, Audio Amplifier Page 2/2Semiconductors DAN202K Board IC1201 TDA7497 IC Block DiagramsBRACKET, Main Cord PowerDescription Remark PART.NO DescriptionCATCHER, Push CLIP, Lead WireBeznet Assy SPRING, TensionSection Electrical Parts List Film PART.NOElect CapacitorShort Ceramic2KV MylarDiode MM3Z6V8T1 ConnectorPART.NO Description Remark Diode DAN202KDiode P6KE200ASY Diode D2SB60A-F04Diode D4SBL20UF1 JackJR9 ResistorJR4 JR7Carbon Solid FusibleMetal Thermistor SWITCH, TactilVaristor Diode TAB ContactSocket £ 1-453-314-31 Transformer ASSY, Flyback REF.NO PART.NO Description RemarkIndividual Carton Service Promotions Dept