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Toshiba 21CSZ2R Service Manual

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FILE NO. 060-200336
SERVICE MANUAL
Color Television
S3ES Chassis
21CSZ2R
Feb., 2004

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Summary of Contents for Toshiba 21CSZ2R

  • Page 1 FILE NO. 060-200336 SERVICE MANUAL Color Television S3ES Chassis 21CSZ2R Feb., 2004...

  • 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 I 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 I CIRCUMFERENCE CONVERGENCE ADJUSTMENT CONVERGENCE ADJUSTMENTS 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.) I CENTER CONVERGENCE ADJUSTMENT 3.

  • 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...

  • 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)

  • 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 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Adjustment Reference data Data ←...

  • Page 14: Location Of Controls

    LOCATION OF CONTROLS Front t c s VIDEO AUDIO MENU Remote Names of Parts Remote Control TV Set Main power Power on/ on/off standby Infrared sensor Direct select Power indicator CHs/t Channel up/ down, MENU Menu open Item select TV/VIDEO select ;...

  • Page 15: Programming Channel Memory

    PROGRAMMING CHANNEL MEMORY • For easy Channel selection, the chosen Position should have the same number as Channel stored there. For this operation, you may use the “SEARCH” and “SKIP” functions. Example : Presetting Channel 12 to Position 12 Channel Preset Manual Search and Changing the assigned position Auto search memory (ASM)
  • Page 16 • Under some reception conditions, fine tuning may be necessary to improve the picture quality. In such cases, adjust the manual fine tuning (MFT). • If the signal frequency is unstable due to environmental conditions, use auto fine tuning. Skip Function Auto fine tuning (AFT) If you set “SKIP ON”...

  • Page 17: Chassis And Cabinet Replacement Parts List

    • The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. • The PC board assembly with mark is no longer available after the end of the production. Model : 21CSZ2R Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 18 Location Location Parts No. Description Parts No. Description C680 24669229 ELECTROLYTIC, 50V 2.2UF M 3A CA54 24092730 CERAMIC CHIP, 16V B 0.1UF K C681 24669229 ELECTROLYTIC, 50V 2.2UF M 3A CA55 24100103 CERAMIC CHIP, 50V F 0.01UF Z C682 24669229 ELECTROLYTIC, 50V 2.2UF M 3A CA56 24100103...
  • Page 19 Location Location Parts No. Description Parts No. Description R205 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J R501 24011562 CHIP, METAL FILM, 1/20W 5.6K OHM J R206 24011182 CHIP, METAL FILM, 1/20W 1.8K OHM J R502 24011152 CHIP, METAL FILM, 1/20W 1.5K OHM J R207 24011821 CHIP, METAL FILM, 1/20W 820 OHM J...
  • Page 20 Location Location Parts No. Description Parts No. Description R930 24366270 CARBON FILM, 1/6W 27 OHM J RI06 24011330 CHIP, 1/20W 33 OHM J R932 24366102 CARBON FILM, 1/6W 1K OHM J RI07 24871390 CHIP, 1/8W 39 OHM J R934 24366561 CARBON FILM, 1/6W 560 OHM J RI08 24011821...
  • Page 21 Location Location Parts No. Description Parts No. Description RV06 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J T401 23224983 TRANSFORMER, HORIZONTAL DRIVE, RV17 24366750 CARBON FILM, 1/6W 75 OHM J TLN1039 RV18 24011102 CHIP, METAL FILM, 1/20W 1K OHM J * T461Z 23236612 TRANSFORMER, HORIZ OUTPUT, SERVICE,...
  • Page 22 Location Location Parts No. Description Parts No. Description QI04 23205005 TRANSISTOR, KTA2014Y D908 23357341 DIODE, 1SS133 QI05 23205006 TRANSISTOR, KTC4075Y D909 23357341 DIODE, 1SS133 QI06 23205005 TRANSISTOR, KTA2014Y D910 23357341 DIODE, 1SS133 QI07 23205140 TRANSISTOR, DTC114EUAT106 D911 23118095 DIODE, ERB44-06 QI08 23205140 TRANSISTOR, DTC114EUAT106...
  • Page 23 TUNER, ASIA HYPER FS D-J, ENV59DA7G3 ACCESSORIES K902 23306459 REMOCON HAND UNIT IR, CTVPAL, CT-90119 AT03 23588765 REMOCON PART, BATTERY COVER, CT-90119 Y101A 23566065 OWNER’S MANUAL, 21CSZ2R Y120 23943846 BAG, POLY CABINET PARTS A201 23532107 COVER, FRONT COVER A267 23445755 BUTTON, BUTTON POWER...
  • Page 24 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 24 –...

  • Page 25: Pc Boards Bottom View

    SIGNAL BOARD PD1563 BOTTOM (FOIL) SIDE – 25 – – 26 –...
  • Page 26 CONT BOARD PD1421C BOTTOM (FOIL) SIDE IF/MONO BOARD PD1346A CRT/D BOARD PD0607C BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 27 – – 28 –...

  • Page 27: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752 2SA1788 2SC752GTM 2SD1763A (old) 2SC2482 2SA562TM 2SC5243 2SC1569 2SC2655 2SA1015 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 ON4409 RN2203 2SD1554 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SC5143 RN1204 2SD2553 RN2204 RN1205 RN1202 RN1201 –...
  • Page 28 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 30 –...
  • Page 29 SCHEMATIC DIAGRAM MODEL : 21CSZ2R 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.
  • Page 30 – 32 –...

  • Page 31: Specifications

    SPECIFICATIONS MODEL 21CSZ2R Rated voltage ~ 220 - 240V, 50Hz Power consumption 107W (at ~ 220V 50Hz) Dimensions 500(W) X 477(D) X 478(H) mm (Width x Depth x Height) Mass 22.9kg Picture Tube Type 21 Flat square picture tube (549.1mm) Overall picture tube measured diagonally (505.5mm) Viewable picture tube measured diagonally...

  • Page 32: Circuit Block Diagram

    TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...
  • Page 33 SCHEMATIC DIAGRAM MODEL : 21CSZ2R 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.
  • Page 34 – 32 –...
  • Page 35 21SZ2/SZ3/SZ5 TUNER [SHEET-1/9]...
  • Page 37 21SZ2/SZ3/SZ5 TUNER [SHEET-1/9]...
  • Page 38 21SZ2/SZ3/SZ5 AV SW [SHEET-2/9]...
  • Page 40 21SZ2/SZ3/SZ5 AV SW [SHEET-2/9]...
  • Page 41 21SZ2/SZ3/SZ5 VERT. [SHEET-3/9]...
  • Page 43 21SZ2/SZ3/SZ5 VERT. [SHEET-3/9]...
  • Page 44 21SZ2/SZ3/SZ5 HDEF [SHEET-4/9]...
  • Page 46 21SZ2/SZ3/SZ5 HDEF [SHEET-4/9]...
  • Page 47 21SZ2/SZ3/SZ5 VCD_ucom [SHEET-5/9]...
  • Page 49 21SZ2/SZ3/SZ5 VCD_ucom [SHEET-5/9]...
  • Page 50 21SZ2/SZ3/SZ5 A-pro Audio-Amp [SHEET-6/9]...
  • Page 52 21SZ2/SZ3/SZ5 A-pro Audio-Amp [SHEET-6/9]...
  • Page 53 21SZ2/SZ3/SZ5 PROTECTOR [SHEET-7/9]...
  • Page 55 21SZ2/SZ3/SZ5 PROTECTOR [SHEET-7/9]...
  • Page 56 21SZ2/SZ3/SZ5 POWER [SHEET-8/9]...
  • Page 58 21SZ2/SZ3/SZ5 POWER [SHEET-8/9]...
  • Page 59 21SZ2/SZ3/SZ5 Low B Regu [SHEET-9/9]...
  • Page 61 21SZ2/SZ3/SZ5 Low B Regu [SHEET-9/9]...
  • Page 62 21SZ2 21SZ3 21SZ5 21SZ7 FRONT AV...
  • Page 64 21SZ2 21SZ3 21SZ5 21SZ7 FRONT AV...
  • Page 65 110V(p-p) 110V(p-p) 100V(p-p) TO MAIN TO MAIN 21SZ2/SZ3/SZ5 CRT/D...
  • Page 66 110V(p-p) 110V(p-p) 100V(p-p) TO MAIN...
  • Page 67 TO MAIN 21SZ2/SZ3/SZ5 CRT/D...
  • Page 68 21SZ2/SZ3 IF MONO...
  • Page 70 21SZ2/SZ3 IF MONO...

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