Toshiba TW40F80 manual

Custom codes are 40-BFH (TV set for North U.S.A.)

Code

Function

Applicable

Conti-

to TV set

nuty

A0H

SUB-BRIGHT ADJUSTMENT

A1H

G. DRIVE ADJUSTMENT

A2H

B. DRIVE ADJUSTMENT

A3H

A4H

CUTOFF DRIVE 40H INITIALIZING,

HORIZONTAL ONE LINE

A5H

R. CUTOFF ADJUSTMENT

A6H

G. CUTOFF ADJUSTMENT

A7H

B. CUTOFF ADJUSTMENT

A8H

MEMORY ALL AREA INITIALIZE

A9H

PIP BRIGHT ADJUSTMENT

AAH

SUB CONTRAST ADJUSTMENT

ABH

HOR, VER PICTURE POSITON ADJUSTMENT

ACH

SUB COLOR ADJUSTMENT

ADH

SUB TINT ADJUSTMNET

AEH

ADJUSTMENT-UP

AFH

ADJUSTMENT-DOWN

B0H

HORIZONTAL ONE LINE: SERVICE

B1H

DSP ON/OFF

B2H

TEXT-1

B3H

TV/PIP VIDEO CHANGE-OVER

B4H

CAPTION-1

B5H

B6H

B7H

TV/CABLE CHANGE-OVER IN

SAME TIME ON MAN AND SUB

B8H

HOTEL SETTING MENU

B9H

DATA 4 TIMES SPEED UP

BAH

DATA 4 TIMES SPEED DOWN

BBH

CHANGE-OVER OF HOTEL/NORMAL

BCH

PIP CENTER

BDH

M MODE

BEH

CAPTON OFF

BFH

ALL CHANNEL PRESET

C0H

C1H

DIRECT WIDE 1

C2H

DIRECT FULL

C3H

C4H

C5H

C6H

C7H

C8H

C9H

CAH

CBH

CCH

CDH

CEH

CFH

Custom codes are 40-BFH (TV set for North U.S.A.)

Code

Function

Applicable

Conti-

to TV set

nuty

D0H

D1H

D2H

Do not use. Old type core power ON

D3H

D4H

D5H

D6H

D7H

PIP VIDEO ADJ.

D8H

STILL, FRAME ADVANCE

D9H

DAH

SPEED

DBH

DCH

ZOOM

DDH

DEH

DFH

E0H

PINCUTION/EW CORER (PARA/CNR)

E1H

VERTICAL S-CUVE CORRECTION/

VERTICAL M-CURVE

E2H

CORRECTION (VSC/FVC)

E3H

E4H

E5H

E6H

E7H

E8H

E9H

EAH

HORIZONTAL WIDTH (WID/PARA)

EBH

TRAPEZOIDE CORRECTION (TRAP)

ECH

TEST TONE

EDH

DOLBY

EEH

3 DIMENTIONAL Y/C SEPARATION

EFH

DPC

E0H

STANDARD (HEIGHT LINEARITY) (VLIN/HIT)

E1H

WIDE (HEIGHT ® LINEARITY) (VLIN)

F2H

SCROOL

F3H

WIDE 1, 2, 3

F4H

F5H

F6H

F7H

F8H

F9H

FAH

FBH

FCH

FDH

FEH

FFH

25

Image 25

Toshiba TW40F80 manual Custom codes are 40-BFH TV set for North U.S.A Code Function

Contents

TW40F80 Contents Wide Aspect Conversion Circuit Failure Analysis Terminal FUNCTION, Description and Block Diagram Section XI Digital Convergence Circuit Section X Deflection Distortion Correction Circuit Improved Serviceability Section FeatureOutline Merits of BUS System Reduction of Parts Count Chassis Model Specifications Video 3 Inputs Front View IN-VIDEO Rear View 100 Remote Control View Starsight Newosd FRO. Surr Chassis Layout Construction of Chassis Section II TUNER, IF/MTS/S. PRO Module Circuit Block Major FeaturesOutline RF AGC Audio Multiplex Demodulation Circuit A.PRO Section Audio Processor A.PRO block diagram Configuration of the audio circuit and signal flow are given Terminal No Name POP Tuner Operation of Channel Selection Circuit SDA SCL Microcomputer Microcomputer Terminal Function Terminal Name Function In/Out Logic Remarks Microcomputer Terminal Name and Operation Logic EEPROMQA02 On Screen FunctionSDA System Block Diagram Local key assignment Function Local KEY Detection Method Code Function Remote Control Code AssignmentTo TV set Custom codes are 40-BFH TV set for North U.S.A Code Function OPT0 OPT1 Models HEX Optional Setting for Each Model Test Signal Selection Entering to Service ModeService Adjustment Contents to be Confirmed by Customer Failure Diagnosis ProcedureExecuting Self Diagnosis Function Self Check Understanding Self Diagnosis Indication Clearing method of self diagnosis result TV does Not Turned on Troubleshooting ChartYES No Picture Snow Noise No Acception of KEY-IN No Indication On Screen Memory Circuit Check Section IV DVD Switch Circuit DVD Switch Block Diagram Outline Section V WAC Circuit Outline ConfigurationCircuit Operation Operation Wide aspect conversion unit block diagram PB6348 Pin function of TC9097F QFP 80 pin Pin Function Name Function Names and functions of TC9097F VFL2 TC9097F system block diagram Block Diagram E2PROM OK? Wide Aspect Conversion Circuit Failure Analysis Procedures Raster Horizontal One Adjustment Method Principles of Operation Section VI Dual Circuit OutlineScreen multi-search process System Component Diagram of Dual Unit Video/Color/Deflection Process Section OSD Sub screen process section Sub Screen Process Section Main/Sub screen superimposing section Main/Sub Screen Superimposing Section Diagram Main IC Terminal FUNCTION, Description and Block DiagramQY01 MPC1832GT QY01 mPC1832GT pin layout QY03 TC9092AF internal block diagram QY03 TC9092AF pin layout CKW QY03 TC9092AF pin list No Pin name Pin function MRD1 QY10/QY11 M518221-30ZS internal block diagram Configuration Circuit Description Section VII 3-DIMENSION Y/C Separator Circuit OutlineCircuit Description Terminal description PZ01 Theory of Operation Section Viii Vertical Output Circuit Outline Actual Circuit Output CircuitSawtooth Waveform Generation Circuit Operation Output Output stage power supply voltage Protection Circuit for V Deflection Stop Linearity Characteristic CorrectionCharacter Correction Up-and Down-ward Extension Correction Up-and Down-ward Linearity Balance Theory of Operation +35V Over Current Protection CircuitUZ22BSD UZ11BSB Ketsu Raster Position Switching Circuit Section IX Horizontal Deflection Circuit Outline SignalHorizontal Drive Circuit Basic Operation of Horizontal Drive On period OFF period Horizontal Output Circuit Signal DEF/POWER PCBOperation of Basic Circuit FBT T2~t3 Description of the basic circuit T1~t2T3~t4 T4~t6 Linearity Correction LIN Amplitude CorrectionCurve Correction S Capacitor Linearity coil Left-right Asymmetrical Correction LIN coil Outline White Peak Bending Correction CircuitOperation Theory EHT Blanking Gate Protector Low Voltage Protection AFC High Voltage Generation CircuitABL High Voltage DPC Circuit Regulator 2. +35V 1. +210VHigh Voltage CR-BLOCK High Voltage CircuitAnode FBT CR-BLOCK E H ActualED’ 23 X-RAY protection circuit RAY Protection Circuit Over Current Protection Circuit Block Diagram Functions and Features OUT Diode Modulator Circuit Actual Circuit Later Half Scanning Period Basic Operation and Current PathFirst Half Scanning Period First Half of Scanning Period Later Half of Flyback PeriodP.T Section XI Digital Convergence Circuit Outline Memory ResetProm PLL Picture Adjustment Entering/Exiting Mode Service Mode First screen Second screen Initial screenSfull ENT Key function of remote control unit Each Screen Adjustment Method Operation procedureNormal/Full Theater Wide1 Theater Wide 269.5 When Convergence Unit is Replaced When CRT is ReplacedCase Study Adjusting Procedure in Replacing CRT TroubleshootingAdjusting Procedure in Replacing Convergence Unit/Main Def Convergence Output Circuit Convergence Block Diagram Convergence Troubleshooting Chart Main Unit