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Toshiba 21SZ2E Service Manual
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Toshiba 21SZ2E Service Manual

Toshiba 21SZ2E Service Manual

S3es chassis
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FILE NO. 060-200315
SERVICE MANUAL
Color Television
S3ES Chassis
21SZ2E, 21SZ2ES
21SZ2T, 21SZ2M
21SZ2MJ
Feb., 2004

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Summary of Contents for Toshiba 21SZ2E

  • Page 1 FILE NO. 060-200315 SERVICE MANUAL Color Television S3ES Chassis 21SZ2E, 21SZ2ES 21SZ2T, 21SZ2M 21SZ2MJ 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 110~240 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 (Representative: 21SZ2E) Front t c s VIDEO AUDIO MENU Remote Names of Parts TV Set Remote Control Main power Power on/ on/off standby Infrared sensor Direct select Power indicator CHs/t Channel up/ down, MENU Menu open Item 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 : 21SZ2E, 21SZ2ES, 21SZ2T, 21SZ2M, 21SZ2MJ Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 18 C808 24668101 ELECTROLYTIC, 35V 100UF M 3A CI04 24109103 CERAMIC CHIP, 50V B 0.01UF K C810 24086857 ELECTROLYTIC, 400V 560UF (21SZ2E/21SZ2M/21SZ2MJ) C811 24092555 CERAMIC DISC, AC250V E 1000PF M CI05 24109103 CERAMIC CHIP, 50V B 0.01UF K * C813 24092555...
  • Page 19 Location Location Parts No. Description Parts No. Description R220 24011822 CHIP, METAL FILM, 1/20W 8.2K OHM J R545 24011121 CHIP, METAL FILM, 1/20W 120 OHM J R221 24011821 CHIP, METAL FILM, 1/20W 820 OHM J R623 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R222 24011681 CHIP, METAL FILM, 1/20W 680 OHM J...
  • Page 20 CARBON FILM, 1/6W 5.6K OHM J RI11 24011302 CHIP, METAL FILM, 1/20W 3K OHM J R944 24366562 CARBON FILM, 1/6W 5.6K OHM J (21SZ2E/21SZ2M/21SZ2MJ) R945 24366181 CARBON FILM, 1/6W 180 OHM J RI12 24011103 CHIP, METAL FILM, 1/20W 10K OHM J...
  • Page 21 23289270 COIL, PEAKING, TRF4270AF Q4030 23314204 TRANSISTOR, 2SC2412K,Q LI51 23232032 COIL, VARIABLE, TRF3546D QA10 23906924 IC, CAT24WC16P LI56 23238562 COIL, PEAKING, TRF4109AJ QA51 23009495 IC, PANA MICRO VCD COMB TEXT, LI57 23238562 COIL, PEAKING, TRF4109AJ MN101E04G (21SZ2E/21SZ2ES) – 21 –...
  • Page 22 DIODE, SILICON BAND SWICHING, QI61 23205006 TRANSISTOR, KTC4075Y-RTK 1SS312(TE85L) (21SZ2E/21SZ2M/21SZ2MJ) (21SZ2E/21SZ2M/21SZ2MJ) DI02 23118043 DIODE, CHIP VRM80V 100MA A-C US, QI63 23205140 TRANSISTOR, DTC114EUAT106 DAP202U T106 (21SZ2E/21SZ2M/21SZ2MJ) (21SZ2E/21SZ2M/21SZ2MJ) DI03 23118138 DIODE, MA77 (21SZ2E/21SZ2M/21SZ2MJ) QI64 23205140 TRANSISTOR, DTC114EUAT106 MISCELLANEOUS QI65 23205006 TRANSISTOR, KTC4075Y-RTK...
  • Page 23 REMOCON PART, BATTERY COVER, P801A 23451788 HOLDER, POWER CORD, 1450TE CT-90119 P802 23368249 POWER CORD, 2P 11.88MM VH-JST Y101A 23566039 OWNER’S MANUAL, ENGLISH, 21SZ2E P803B 23164729 CONNECTOR, PLUG, 3P 5MM B JALCO, Y101A 23566063 OWNER’S MANUAL, ENGLISH/ARABIC/ YKF21-0027 PERSIAN, 21SZ2M/21SZ2MJ P900...
  • Page 24 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 24 –...

  • Page 25: Pc Boards Bottom View

    SIGNAL BOARD PD1420 BOTTOM (FOIL) SIDE – 25 – – 26 –...
  • Page 26 CONT BOARD PD1421 BOTTOM (FOIL) SIDE IF/MONO BOARD PD1346 CRT/D BOARD PD0607 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 : 21SZ2E / 21SZ2ES / 21SZ2M / 21SZ2MJ / 21SZ2T 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 Rated voltage ~ 110 - 240V, 50/60Hz 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 Type21 Flat square picture tube (549.1mm) Overall picture tube measured diagonally (505.5mm) Viewable picture tube measured diagonally 90˚...

  • Page 32: Circuit Block Diagram

    TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...
  • Page 33 SCHEMATIC DIAGRAM MODEL : 21SZ2E / 21SZ2ES / 21SZ2M / 21SZ2MJ / 21SZ2T 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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