Sony KV-21FX30E, KV-21FX30B service manual Board Waveforms, Semiconductor Voltage Table

Page 25

C Board Waveforms

TP1	10us/div	TP2	20us/div	TP3	20us/div
TP1	10us/div	TP2		TP3
1.77 Vp-p (H)		1.88 Vp-p (H)		1.88 Vp-p (H)
	20us/div
TP4		TP5	20us/div	TP6	20us/div
TP4		TP5		TP6
74 Vp-p (H)		74 Vp-p (H)		74 Vp-p (H)
TP7	20us/div
TP7
1.76 Vp-p (H)

Semiconductor Voltage Table												IC Voltage Table
Ref	(e)	(b)	(c)	Ref	(e)	(b)	(c)	Ref	(e)	(b)	(c)		Ref No	Pin No	Voltage (V)
Q701	124.2	124.8	202	Q706	7.5	8.1	125.0	Q712	125.8	126.4	201.9			1	1.3
Q701	124.2	124.8	202	Q706	7.5	8.1	125.0	Q712	125.8	126.4	201.9
														2	1.3
Q702	2.3	3.0	7.5	Q707	124.6	125.8	5.5	Q713	133.0	132.4	201.9			2	1.3

														3	1.4
														3	1.4
													IC1801
Q703	7.5	8.1	131.6	Q708	3.5	2.1	7.5	Q715	132.3	131.5	8.1		IC1801	5	4.1
Q703	7.5	8.1	131.6	Q708	3.5	2.1	7.5	Q715	132.3	131.5	8.1			5	4.1
														6	4.1
														6	4.1
Q704	131	132.4	5.2	Q709	7.5	8.1	123.3	Q716	125.8	125.0	8.1			7	7.0	C [ RGB OUT ]
														8	8.0
Q705	2.5	3.1	7.5	Q710	123.0	124.3	5.5	Q717	124.2	123.4	8.1			8	8.0
Q705	2.5	3.1	7.5	Q710	123.0	124.3	5.5	Q717	124.2	123.4	8.1

27

28

Image 25

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 Disassembly Speaker Connector DisconnectionRear Cover Removal Speaker Box 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 Htil Adjustment Geometry Adjustment PreparationYCH Adjustment TLV AdjustmentWhite balance adjustment for TV mode G2 adjustmentLayout of each control Focus ScreenSub Brightness Adjustment How to enter into the Service ModeSub Contrast Adjustment Tuner AGC Adjustment Sub Colour AdjustmentDeflection System Adjustment Print side of a boardTest 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 DiagramsDescription Remark Cord PowerPART.NO Description BRACKET, MainBeznet Assy CLIP, Lead WireSPRING, Tension CATCHER, PushSection Electrical Parts List Elect PART.NOCapacitor Film2KV CeramicMylar ShortPART.NO Description Remark ConnectorDiode DAN202K Diode MM3Z6V8T1Diode D4SBL20UF1 Diode D2SB60A-F04Jack Diode P6KE200ASYJR4 ResistorJR7 JR9Carbon 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