Toshiba TW40F80 manual QY10/QY11 M518221-30ZS internal block diagram

Page 56

Dout (X8)				OE	RE		RSTR SRCK


Data - out				Serial	Read		Controller
Data - out				Serial	Read		Controller
buffer (X8)
buffer (X8)




				512 Word serial read register (X8)
				512 Word serial read register (X8)

				Read line buffer			Read line buffer
				Low-Half (X8)			High-Half (X8)

71Word

Sub-register (X8)

71Word Sub-register (X8)

256 (X8)	256 (X8)

256K (X8)	X
Memory	De-
Array	coder

Read/Write and refresh controller

					256 (X8)					256 (X8)

				Write line buffer			Write line buffer
				Low-Half (X8)			High-Half (X8)

				512 Word serial write register (X8)
				512 Word serial write register (X8)




	Data - in
Buffer (X8)				Serial	Write		Controller
Buffer (X8)				Serial	Write		Controller


	Din (X8)			IE	WE		RSTW		SWCK

Clock oscillator

VB3

Generator

Fig. 6-9 QY10/QY11 M518221-30ZS internal block diagram

WE	1		Terminal name	Function
	2	IE	Terminal name	Function
	2	IE	SWCK	Serial write clock
Din0	3		SWCK	Serial write clock
	4	Din1	SRCK	Serial read clock
Din2	5		SRCK	Serial read clock
Din2	5
	6	Din3	WE	Write enable
Vcc	7		WE	Write enable
Vcc	7
	8	Din4	RE	Read enable
Din5	9		IE	Input enable
	9
	10	Din6
	10	Din6
Din7	11	RSTW	OE	Output enable
	12	RSTW	RSTW	Reset write
SWCK	13		RSTW	Reset write
	14	NC	RSTR	Reset read
NC	15		RSTR	Reset read
NC	15
	16	RE	Din 0 – 7	Data input
OE	16		Din 0 – 7	Data input
OE	17		Dout 0 – 7	Data output
	18	Dout7	Dout 0 – 7	Data output
Dout6	19		VCC	Power supply (+5V)
	20	Dout5	VCC	Power supply (+5V)
	20	Dout5
Dout4	21	Vss	VSS	Ground (0V)
	22	Vss	NC	Not connected
Dout3	23		NC	Not connected
	24	Dout2
Dout1	25
	26	Dout0
RSTR	27
	28	SRCK

28PIN ZIP

Fig. 6-10 QY10/QY11 M518221-30ZS pin layout

56

Image 56

Contents TW40F80 Contents Terminal FUNCTION, Description and Block Diagram Wide Aspect Conversion Circuit Failure AnalysisSection X Deflection Distortion Correction Circuit Section XI Digital Convergence CircuitSection Feature Improved ServiceabilityOutline Merits of BUS System Reduction of Parts CountSpecifications Chassis ModelFront View Video 3 InputsRear View IN-VIDEORemote Control View 100Chassis Layout Starsight Newosd FRO. SurrConstruction of Chassis Major Features Section II TUNER, IF/MTS/S. PRO Module Circuit BlockOutline RF AGCAudio Multiplex Demodulation Circuit A.PRO block diagram A.PRO Section Audio ProcessorConfiguration of the audio circuit and signal flow are given POP Tuner Terminal No NameOperation of Channel Selection Circuit Microcomputer SDA SCLMicrocomputer Terminal Function Microcomputer Terminal Name and Operation Logic Terminal Name Function In/Out Logic RemarksSDA On Screen FunctionEEPROMQA02 System Block Diagram Local KEY Detection Method Local key assignment FunctionTo TV set Remote Control Code AssignmentCode Function Custom codes are 40-BFH TV set for North U.S.A Code Function Optional Setting for Each Model OPT0 OPT1 Models HEXService Adjustment Entering to Service ModeTest Signal Selection Executing Self Diagnosis Function Failure Diagnosis ProcedureContents to be Confirmed by Customer Understanding Self Diagnosis Indication Self CheckClearing method of self diagnosis result YES Troubleshooting ChartTV does Not Turned on No Acception of KEY-IN No Picture Snow NoiseMemory Circuit Check No Indication On ScreenSection IV DVD Switch Circuit DVD Switch Block Diagram Outline Configuration Section V WAC Circuit OutlineCircuit Operation OperationWide aspect conversion unit block diagram PB6348 Pin Function Pin function of TC9097F QFP 80 pinNames and functions of TC9097F Name FunctionVFL2 Block Diagram TC9097F system block diagramWide Aspect Conversion Circuit Failure Analysis Procedures E2PROM OK?Adjustment Method Raster Horizontal OneScreen multi-search process Section VI Dual Circuit OutlinePrinciples of Operation System Component Diagram of Dual Unit Video/Color/Deflection Process Section OSD Sub Screen Process Section Sub screen process sectionMain/Sub Screen Superimposing Section Main/Sub screen superimposing sectionMain IC Terminal FUNCTION, Description and Block Diagram DiagramQY01 MPC1832GTQY01 mPC1832GT pin layout QY03 TC9092AF internal block diagram QY03 TC9092AF pin layout QY03 TC9092AF pin list No Pin name Pin function CKWMRD1 QY10/QY11 M518221-30ZS internal block diagram Circuit Description Section VII 3-DIMENSION Y/C Separator Circuit OutlineConfiguration Circuit Description Terminal description PZ01 Section Viii Vertical Output Circuit Outline Theory of OperationOutput Circuit Actual CircuitSawtooth Waveform Generation Circuit OperationOutput Output stage power supply voltage Linearity Characteristic Correction Protection Circuit for V Deflection StopCharacter Correction Up-and Down-ward Extension Correction Up-and Down-ward Linearity Balance+35V Over Current Protection Circuit Theory of OperationUZ22BSD UZ11BSBRaster Position Switching Circuit KetsuSignal Section IX Horizontal Deflection Circuit OutlineHorizontal Drive Circuit Basic Operation of Horizontal DriveOn period OFF period Signal DEF/POWER PCB Horizontal Output CircuitOperation of Basic Circuit FBTDescription of the basic circuit T1~t2 T2~t3T3~t4 T4~t6Curve Correction S Capacitor Amplitude CorrectionLinearity Correction LIN Left-right Asymmetrical Correction LIN coil Linearity coilWhite Peak Bending Correction Circuit OutlineOperation Theory EHTBlanking Low Voltage Protection Gate ProtectorHigh Voltage Generation Circuit AFCABL High Voltage DPC Circuit RegulatorHigh Voltage 1. +210V2. +35V Anode High Voltage CircuitCR-BLOCK ED’ ActualFBT CR-BLOCK E H RAY Protection Circuit 23 X-RAY protection circuitOver Current Protection Circuit Functions and Features Block DiagramDiode Modulator Circuit OUTActual Circuit First Half Scanning Period Basic Operation and Current PathLater Half Scanning Period P.T Later Half of Flyback PeriodFirst Half of Scanning Period Section XI Digital Convergence Circuit Outline Reset MemoryProm PLLPicture Adjustment Service Mode Entering/Exiting ModeSfull Initial screenFirst screen Second screen Key function of remote control unit ENTNormal/Full Operation procedureEach Screen Adjustment Method Theater Wide1 Theater Wide 269.5 Case Study When CRT is ReplacedWhen Convergence Unit is Replaced Adjusting Procedure in Replacing Convergence Unit/Main Def TroubleshootingAdjusting Procedure in Replacing CRT Convergence Output Circuit Convergence Block Diagram Convergence Troubleshooting Chart Main Unit