Toshiba 42WH18P free download

File name TOSHIBA 42WH18P_50WH18P C01P chassis.pdf

FILE NO. 030-200115 SERVICE MANUAL COLOUR TELEVISION C01P Chassis 42WH18P 50WH18P PUBLISHED IN JAPAN Sep., 2001 So SERVICE MODE GENERAL ADJUSTMENTS 1. ENTERING TO SERVICE MODE 1) Press o button once on Remote Control. 2) Press o button again to keep pressing. 3) While pressing the o button, press MENU button on TV set. Item Data or Sound Mute (Service mode display) S 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV. Service mode Adjustment mode Item S Press Press Data SPECIFIC INFORMATIONS 3. KEY FUNCTION IN THE SERVICE MODE The following key entry during display of adjustment menu provides special functions. Screen adjustment mode ON/OFF: Test signal selection : Selection of the adjustment items : Change of the data value : Adjustment menu mode ON/OFF : Initialization of the memory (QA02) : Reset the count of operating protect circuit to "00": "RCUT" selection : "GCUT" selection : "BCUT" selection : "SCNT" selection : "COLP" selection : "TNTC" selection : Convergence adj : Self diagnostic display ON/OFF : -/-- ( ) button (on Remote) a button (on Remote) Channel s/t (on TV or Remote) Volume ; +/­ (on TV or Remote) MENU button (on TV) CALL + Channel button on TV (s) CALL + Channel button on TV (t) 1 button 2 button 3 button 4 button Color thickness correction 5 button note: Displayed differently as shown below, de6 button pending on the setting of the receiving color YELLOW button system. 9 button COLP (PAL) COLC (NTSC) COLS (SECAM) CAUTION : Never try to perform initialization unless you have changed the memory IC. ­ 10 ­ 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 32) 5. ADJUSTING THE DATA 1) Pressing of VOLUME ; +/­ button will change the value of data in the range from 00H to FFH. The variable range depends on the adjusting item. 6. EXIT FROM SERVICE MODE 1) Pressing POWER button to turn off the TV once. s INITIALIZATION OF MEMORY DATA OF QA02 After replacing QA02, the following initialization is required. 1. Enter the service mode, then select any register item. 2. Press and hold the CALL button on the Remote, then press the CHANNEL s button on the TV. The initialization of QA02 has been complated. 3. Check the picture carefully. If necessary, adjust any adjustment item above. Perform "Auto search Memory" on the owner's manual. CAUTION: Never attempt to initialize the data unless QA02 has been replaced. 7. TEST SIGNAL SELECTION 1) Every pressing of a button on the Remote Control changes the built-in test patterns on screen as described below in SERVICE MODE. Signal off PAL signals (5 patterns) NTSC signals (5 patterns) Signals · Red raster · Green raster · Blue raster · All White · Black cross-hatch Picture * The signals marked with are not usable to display in the Test signal for some model. ­