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Toshiba TW40F80 manual Block Diagram, 3 TC9097F system block diagram, Name, Function, Agnd

Models: TW40F80

1 101

Page 41

No.	Name	I/O	Function

76	NC	–	–

77	VBM	–	Bias for MPX, clamp 2

78	QSI	I	Q color signal input

79	VBA	–	Bias for AD1, AD2

80	AGND	–	Analog ground

3. BLOCK DIAGRAM

POST

FILTER

POST

FILTER

POST

FILTER

VMO(TMO5)

VDD2(DA1)

VSS2(DA1)

VBD1

YSO

VRD1

VBD4

ISO

VBD2

VRD2

VBD3

QSO

VDD3(DA2&3)

VSS3(DA2&3)

HBL(TMO8)

VBL(TMO7)

HRF(TMO6)

SPT(TMO4)

QSL(TMO3)

ISL(TMO2)

VDP(TMO1)

ACP(TMO0)

SCL

NCS(TDI7)

SE42(TDI6)

BCP(TDI5)

TST

DA1

DA2

DA3

TEST

CIRCUIT

WCK RCK

TDI

(1248x8)

(624x8)

CBUS

DECODER

SCL SDA

LINEMEMORY

1/2

TIMING

CONTROLER

1/2

VCO2

VFL2

FILTER

1/2

AD1

AD2

1/2

1/456

CLAMP1

MPX

CLAMP2

VCO1

VFL1

FILTER

VLM

VDD1(AD)

VSS1(AD)

YSI

VBC

VRA1

VBA

VRA2

ISI

QSI

VBM

HDF

HDI

VDI

VDD(Digital)

VSS(Digital)

VDD(Digital)

VSS(Digital)

VDD4(VCO1)

VSS4(VCO1)

VDD5(VCO2)

VSS5(VCO2)

PRE

FILTER

PRE

FILTER

PRE

FILTER

Fig. 5-3 TC9097F system block diagram

Page 41

Image 41

Toshiba TW40F80 manual Block Diagram, 3 TC9097F system block diagram, Name, Function, Agnd

Contents

TECHNICAL TRAINING MANUAL N5SS CHASSIS TW40F80PROJECTION TELEVISION 9. REMOTE CONTROL CODE ASSIGNMENT ContentsSECTION IV DVD SWITCH CIRCUIT SECTION II TUNER, IF/MTS/S. PRO MODULE4. WIDE ASPECT CONVERSION CIRCUIT FAILURE ANALYSIS 5. TERMINAL FUNCTION, DESCRIPTION AND BLOCK DIAGRAM OF3. SYSTEM COMPONENT DIAGRAM OF DUAL UNIT SECTION VII 3-DIMENSION Y/C SEPARATOR CIRCUIT7. CONVERGENCE TROUBLESHOOTING CHART SECTION X DEFLECTION DISTORTION CORRECTION CIRCUIT1. DEFLECTION DISTORTION CORRECTION IC TA8859CP SECTION XI DIGITAL CONVERGENCE CIRCUITOUTLINE 2. MERITS OF BUS SYSTEM SECTION 1. FEATURE2-1. Improved Serviceability 2-2. Reduction of Parts CountC-Chassis 3. SPECIFICATIONSModel TW56F80 TW40F80Note No Owners manual page 4. FRONT VIEWIN-VIDEO 5. REAR VIEWTOSHIBA 6. REMOTE CONTROL VIEW6 DUAL 7. CHASSIS LAYOUTBRT TBS 8. CONSTRUCTION OF CHASSISA517 1-2. Major Features SECTION II TUNER, IF/MTS/S. PRO MODULE 1. CIRCUIT BLOCKFig. 2-1 Block diagram 1-1. OutlineSwitching Fig. 2-2 Block diagram of MVUS34S1-3. Audio Multiplex Demodulation Circuit Table 2-1 Matrix for broadcasting conditions and reception mode1-4. A.PRO Section Audio Processor Fig. 2-3 A.PRO block diagramMOTHER Configuration of the audio circuit and signal flow are given in FigVIDEO FRONT INPUT2-1. Outline 2. POP TUNERTerminal No Name2. OPERATION OF CHANNEL SELECTION CIRCUIT SECTION III CHANNEL SELECTION CIRCUIT1. OUTLINE OF CHANNEL SELECTION CIRCUIT SYSTEM 3. MICROCOMPUTER 4. MICROCOMPUTER TERMINAL FUNCTION Terminal Name MICROCOMPUTER TERMINAL NAME AND OPERATION LOGICFunction In/Out6. ON SCREEN FUNCTION 5. EEPROM QA027. SYSTEM BLOCK DIAGRAM Fig. 3-6 Local key assignment Table 3-1 Local key assignment 8. LOCAL KEY DETECTION METHODFunction FunctionCode 9. REMOTE CONTROL CODE ASSIGNMENTFunction to TV setCode Custom codes are 40-BFH TV set for North U.S.AFunction Custom codes are 40-BFH TV set for North U.S.AOPT0 9-1. Optional Setting for Each ModelOPT1 MODELS12. SERVICE ADJUSTMENT 10. ENTERING TO SERVICE MODE11. TEST SIGNAL SELECTION 13-1. Contents to be Confirmed by Customer 13. FAILURE DIAGNOSIS PROCEDURE13-3-1. Procedure Contents of self diagnosis13-4. Understanding Self Diagnosis Indication ContentsExample of screen display SELF CHECKVIDEO INPUT 1 terminal should be open 13-4-2. Method utilizing inner signal13-4-1. Clearing method of self diagnosis result 14-1. TV does Not Turned ON 14. TROUBLESHOOTING CHARTWhen remote unit key is pressed OK Replace QA01 Key on TV Voltage change at pins 17, 18 of QA01 5V to OK Replace QA01NG Check key-in circuit NG Check tuner power circuit No picture NG Voltage at pins of +5V, and OK14-5. No Indication On Screen 14-4. Memory Circuit CheckSECTION IV DVD SWITCH CIRCUIT 1. DVD SWITCH BLOCK DIAGRAM Open at Cb input Cb to DVD SW unit Cb input RV28 100k 2. OUTLINERV27 10k QV01 TA1218N2. CIRCUIT OPERATION SECTION V WAC CIRCUIT 1. OUTLINE2-1. Configuration 2-2-1. Signal FlowFig. 5-1 Wide aspect conversion unit block diagram PB6348 VDD5VCO2 Pin FunctionFig. 5-2 Pin function of TC9097F QFP 80 pin Function Table 5-1 Names and functions of TC9097FName Function NameFig. 5-3 TC9097F system block diagram 3. BLOCK DIAGRAMName Function4. WIDE ASPECT CONVERSION CIRCUIT FAILURE ANALYSIS PROCEDURES 4-2. Raster Horizontal One 4-2-1. Adjustment Method1. OUTLINE SECTION VI DUAL CIRCUIT2. PRINCIPLES OF OPERATION 9-screen multi-search process3. SYSTEM COMPONENT DIAGRAM OF DUAL UNIT 4-1. Video/Color/Deflection Process Section 4. CIRCUIT OPERATIONSignalreception Fig. 6-3 Sub screen process section 4-2. Sub Screen Process SectionFig. 6-4 Main/Sub screen superimposing section 4-3. Main/Sub Screen Superimposing Section5. TERMINAL FUNCTION, DESCRIPTION AND BLOCK DIAGRAM OF MAIN ICdiagram QY01Blanking pulse output Power supply videoFig. 6-6 QY01 mPC1832GT pin layout MULTIPLEX Fig. 6-7 QY03 TC9092AF internal block diagramPROGRAMDATA MEMORYADVREFY Fig. 6-8 QY03 TC9092AF pin layoutPin function Table 6-1 QY03 TC9092AF pin list NoPin name Pin function Table 6-2 QY03 TC9092AF pin list NoPin name Power supply +5V Fig. 6-9 QY10/QY11 M518221-30ZS internal block diagramFig. 6-10 QY10/QY11 M518221-30ZS pin layout Terminal name2. CIRCUIT DESCRIPTION SECTION VII 3-DIMENSION Y/C SEPARATOR CIRCUIT2-1. Configuration 1. OUTLINESignal name Fig. 7-1 3-dimension Y/C separator unit block diagramTerminal description PZ01 Voltage1-1. Theory of Operation SECTION VIII VERTICAL OUTPUT CIRCUIT 1. OUTLINE2-1. Actual Circuit 2. V OUTPUT CIRCUIT2-2. Sawtooth Waveform Generation 2-2-1. Circuit Operation2-3-1. Circuit Operation 2-3. V OutputFig. 8-7 Output stage power supply voltage 2-4. V Linearity Characteristic Correction 3. PROTECTION CIRCUIT FOR V DEFLECTION STOP2-4-1. S-character Correction Up-and Down-ward Extension Correction 2-4-2. Up-and Down-ward Linearity Balance3-1-1. Theory of Operation 3-1. +35V Over Current Protection Circuit4-2. Operation 4. RASTER POSITION SWITCHING CIRCUIT4-1. Outline 2. HORIZONTAL DRIVE CIRCUIT SECTION IX HORIZONTAL DEFLECTION CIRCUIT3. BASIC OPERATION OF HORIZONTAL DRIVE Fig. 9-1 H drive circuit block diagramOn period + ibOFF period current4-1-1. Operation of Basic Circuit 4. HORIZONTAL OUTPUT CIRCUIT4-1. Theory of Operation 2. t2 Description of the basic circuit 1. t1~t23. t2~t3 4. t3~t41 S-curve Correction S Capacitor Amplitude Correction4-1-2. Linearity Correction LIN Fig. 9-9 Linearity coil 2 Left-right Asymmetrical Correction LIN coil4-2-1. Outline 4-2. White Peak Bending Correction Circuit4-2-2. Operation Theory Fig. 9-11 White peak bending correction circuit4-3-1. Outline 4-3. H Blanking4-3-2. Theory of Operation 4-3-3. Circuit Operation4-4-2. Theory of Operation 4-4. 200V Low Voltage Protection4-4-1. Outline 5-1. Theory of Operation 5. HIGH VOLTAGE GENERATION CIRCUIT5-1-2. +35V 5-1-1. +210V5-1-3 5-1-4. High Voltage6-1. High Voltage Regulator 6. HIGH VOLTAGE CIRCUIT6-1-1. Outline Fig. 9-19 Basic circuit for high voltage regulatorFig. 9-22 Actual high voltage regulator circuit 6-1-3. Actual7-1. Outline 7. X-RAY PROTECTION CIRCUIT7-2. Operation Fig. 9-23 X-RAY protection circuit8-1. Outline 8. OVER CURRENT PROTECTION CIRCUIT8-2. Operation Fig. 9-24 Over current protection circuit1. DEFLECTION DISTORTION CORRECTION IC TA8859CP SECTION X DEFLECTION DISTORTION CORRECTION CIRCUIT SIDE DPC CIRCUIT1-2. Functions and Features Block Diagram2. DIODE MODULATOR CIRCUIT 3. ACTUAL CIRCUIT 3-1-2. First Half Scanning Period 3-1. Basic Operation and Current Path3-1-1. Later Half Scanning Period 3-1-4. First Half of Scanning Period 3-1-3. Later Half of Flyback Period2-1. Configuration SECTION XI DIGITAL CONVERGENCE CIRCUIT1. OUTLINE 2. CIRCUIT DESCRIPTION∗∗∗812bit8 Fig. 11-1 Block diagram3. PICTURE ADJUSTMENT 3-2-2. Entering/Exiting Mode 3-2. Service Mode3-2-1. Outline 2 Second screen 3-2-3. Initial screen1 First screen TOSHIBA 3-2-4. Key function of remote control unit3-3-1. Normal/Full 3-2-5. Operation procedure3-3. Each Screen Adjustment Method 3-3-2. Theater Wide1 3-3-3. Theater Wide 3-3-4. Theater Wide 4-2. When Convergence Unit is Replaced 4. CASE STUDY4-1. When CRT is Replaced 5-2. Adjusting Procedure in Replacing Convergence Unit/Main Def 5. TROUBLESHOOTING5-1. Adjusting Procedure in Replacing CRT 6-2-1. Signal flow 6. CONVERGENCE OUTPUT CIRCUIT4 To adjust from outside of digital convergence 6-1. Outline6-3. Convergence Block Diagram Vertical 7. CONVERGENCE TROUBLESHOOTING CHARTF BP WIDEVOLTAGEREG DV DH