Related Manuals for Toshiba 21V1R
Summary of Contents for Toshiba 21V1R
- Page 1 FILE NO. 060-200207 SERVICE MANUAL COLOUR TELEVISION S2E Chassis 21V1R , 21V1M , 21V1E Aug. 2002...
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Page 2: Table Of Contents
TABLE OF CONTENTS CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS ............................3 SET-UP ADJUSTMENT ............................4 SERVICE MODE ..............................6 DESIGN MODE ................................ 9 ELECTRICAL ADJUSTMENTS ..........................10 CIRCUIT CHECK ..............................12 CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ..........................13 LOCATION OF CONTROLS ........................... -
Page 3: Chapter 1 General Adjustments
CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” INSTRUCTIONS BELOW. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazard- 2. The only source of X-RAY RADIATION in this TV receiver ous X-RAY RADIATION. -
Page 4: Set-Up Adjustment
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL. SET-UP ADJUSTMENT The following adjustments should be made when a complete realignment is required or a new picture tube is installed. Perform the adjustments in order as follows : 1. - Page 5 CONVERGENCE ADJUSTMENTS CIRCUMFERENCE CONVERGENCE ADJUSTMENT NOTE: Before attempting any convergence adjustments, the 1. Loosen the clamping screw of deflection yoke slightly to receiver should be operated for at least fifteen min- allow the yoke to tilt. utes. 2. Temporarily put a wedge as shown in figure 1. (Do not remove cover paper on adhesive part of the wedge.) CENTER CONVERGENCE ADJUSTMENT 3.
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Page 6: Service Mode
SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press o button once on 2) Press o button again to 3) While pressing the o button, Remote Control. keep pressing. press MENU button on TV set. Item Data (Service mode display) 2. - Page 7 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 13) 5.
- Page 8 8. SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly. 2) During diagnosis, the following displays are shown. Indicated color of mode now selected : Green and Red Indicated color of other modes : White...
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Page 9: Design Mode
DESIGN MODE 1. ENTERING TO DESIGN MODE 3) Press MENU button on TV. 1) Select the Service mode. 2) While pressing o (or CALL) button on Remote and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA02 is initialized, items “OPT0”... -
Page 10: Electrical Adjustments
ELECTRICAL ADJUSTMENTS ITEM ADJUSTMENT PROCEDURE FOCUS VR ADJ 1. Enter the service mode, then select any register item. 2. Press the TV/VIDEO button on the Remote until the black cross-bar pattern ap- pears on the screen. 3. Adjust the FOCUS control (on T461) for well defined scanning lines on the picture screen. - Page 11 ITEM ADJUSTMENT PROCEDURE WHITE BALANCE 1. Set Contrast to 40, and brightness to +20 by picture control. ADJUSTMENT 2. Set the TV in service mode, and get the inside W/B adjusting signal with VIDEO button. • CUTOFF ADJUSTMENT 3. Select RCUT, GCUT and BCUT with CHANNEL s, t buttons, to set individual (RCUT) values to Initial reference data, and to set GDRV and BDRV to Initial reference (GCUT)
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Page 12: Circuit Check
CIRCUIT CHECK HIGH VOLTAGE CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps below. 1. Connect an accurate high voltage meter to the second anode of the picture tube. 2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST controls to minimum (zero beam current). 3. -
Page 13: Chapter 2 Specific Informations
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 21" HIGH VOLTAGE AT ZERO BEAM: 30.2 kV MAX HIGH VOLTAGE: 32.0 kV AV VOLTAGE 110~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data Data ←... -
Page 14: Location Of Controls
LOCATION OF CONTROLS (Representative: 21V1R) Front Head Phone Jack Main Power On/Off Video In Channel Up Audio Input Channel Down Power Ind. MENU Open Infra-red Sensor Remote CALL on-screen on/off Power ON/OFF TXT/TV Mute Direct Select -/– Digit Select TV/VIDEO Select... -
Page 15: Programming Channel Memory
PROGRAMMING CHANNEL MEMORY • First, use the ASM (Automatic Search Memory) function to preset all the active channels in your area automatically. Then, arrange the preset channels with the SEARCH (>>>), MFT (Manual Fine Tuning) and AFT (Auto Fine Tuning) functions so that you can tune into only desired channels. - Page 16 • Use the SEARCH function if desired channels could not be preset with the ASM, or if you would like to preset the desired channels to specific position numbers one by one. • The adjustments below are not necessary under normal conditions. However, in areas of inferior broadcast conditions where adjustment is necessary for a better picutre, adjust the tuning with the MFT (Manual Fine Tuning).
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Page 17: Chassis And Cabinet Replacement Parts List
C112 24797100 ELECTROLYTIC, 50V 10UF M C232 24797010 ELECTROLYTIC, 50V 1UF M C113 24232103 CERAMIC DISC, 50V F 0.01UF Z (21V1R) C305 24617915 ELECTROLYTIC, 50V 1UF K 3A LI C114 24436470 CERAMIC DISC, 50V SL 47PF J (21V1R) C306 24795102... - Page 18 CERAMIC DISC, 50V F 0.01UF Z C517 24794101 ELECTROLYTIC, 16V 100UF M CB01 24794470 ELECTORLYTIC, 16V 47UF M C518 24232103 CERAMIC DISC, 50V F 0.01UF Z (21V1R) CC01 24232103 CERAMIC DISC, 50V F 0.01UF Z C523 24794100 ELECTROLYTIC, 16V 10UF M CC02 24232103 CERAMIC DISC, 50V F 0.01UF Z...
- Page 19 CARBON FILM, 1/6W 680K OHM J (21V1R) R606 24366393 CARBON FILM, 1/6W 39K OHM J R156 24553153 OXIDE METAL FILM, 1W 15K OHM J (21V1R) R607 24366101 CARBON FILM, 1/6W 100 OHM J R157 24366331 CARBON FILM, 1/6W 330 OHM J...
- Page 20 IC, VERTICAL AN5522 MATSUSHITA AN5522 RB30 24366103 CARBON FILM, 1/6W 10K OHM J Q301B 72471082 SCREW, 3X10MM RC02 24366101 CARBON FILM, 1/6W 100 OHM J (21V1R) Q370 23314962 TRANSISTOR, KTA1266 Y RS02 24366471 CARBON FILM, 1/6W 470 OHM J Q402...
- Page 21 23118517 DIODE, ZENER, RD9.1ES GL512 23103775 COIL, FERRITE CHOKE, TEM2014 D224 23357341 DIODE, 1SS133 GR01 24366102 CARBON FILM, 1/6W 1K OHM J (21V1R) D301 23118094 DIODE, EU2A GR03 24366102 CARBON FILM, 1/6W 1K OHM J (21V1R) D302 23118479 DIODE, BYD33J...
- Page 22 SCREW, BTB4X12SZN A276 23035412 SCREW, BTB4X12SZN * A401 23530407 COVER, BACK COVER A525 23037312 SCREW, BTBW3X12SZN A701 23064887 CARTON, CASE (21V1R) A701 23064932 CARTON, CASE (21V1M) A701 23064971 CARTON, CASE (21V1E) A702A 23946387 PACKING, TOP PACKING A702B 23946388 PACKING, BOTTOM PACKING...
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Page 23: Pc Boards Bottom View
MAIN BOARD PD0806 BOTTOM (FOIL) SIDE – 23 – – 24 –... -
Page 24: Terminal View Of Transistors
CRT-D BOARD PD0157 TERMINAL VIEW OF TRANSISTORS BOTTOM (FOIL) SIDE 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 (old) 2SD1763A 2SC2482 2SA562TM 2SC5243 2SC1569 2SC2655 2SA1015 2SC4544 2SC1815 2SC4721P 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 RN2203 2SD1554 ON4409 RN2201 2SD2253 2SD1556 RN2004 RN1203 2SC5143 RN1204... - Page 25 SCHEMATIC DIAGRAM MODEL : 21V1R / 21V1M / 21V1E WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols "*" in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
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Page 27: Specifications
SPECIFICATIONS (Representative: 21V1R) Rated voltage AC 110 V – 240 V, 50/60 Hz Power consumption 105 W (Approx.) (at AC 220 V, 50 Hz) Width 494 mm × Height 473 mm × Depth 472 mm Dimensions Mass 20.0 kg (Approx.) -
Page 28: Circuit Block Diagram
TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN... - Page 29 SCHEMATIC DIAGRAM MODEL : 21V1R / 21V1M / 21V1E WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols "*" in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
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