Toshiba 21JZ3E Service Manual
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Toshiba 21JZ3E Service Manual

Toshiba 21JZ3E Service Manual

Color television
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SERVICE MANUAL
Color Television
FILE NO. 060-200444
21JZ3E
21JZ3ES
21JZ5E
21JZ5ES
21JZ5MJ
21JZ5T
Aug. 2004 (YC/X)

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Summary of Contents for Toshiba 21JZ3E

  • Page 1 FILE NO. 060-200444 SERVICE MANUAL Color Television 21JZ3E 21JZ3ES 21JZ5E 21JZ5ES 21JZ5MJ 21JZ5T Aug. 2004 (YC/X)

  • 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" 29.7 kV HIGH VOLTAGE AT ZERO BEAM: MAX HIGH VOLTAGE: 32.0 kV 110~240 V AV VOLTAGE 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 (Representive: 21JZ5E) Front VIDEO AUDIO t c s MENU Remote NAMES OF PARTS TV Set Remote Control Main power Power on/ standby on/off Direct select Infrared sensor 3 CHs/t Channel up/ Power indicator down, (red) Item select d MENU Menu open 4 ;...

  • Page 15: Channel Preset

    CHANNEL PRESET Use this function when: 2 Press MENU and – / + t o c a l l u p t h e “TUNING” menu . Press CH s/t and • You cannot find the channel you want using select “SEARCH”.
  • Page 16 Notes: • When “SKIP” is ON, the Position number is prefixed by “*”. Example: *13. To confirm this, select Position 13 using the -/-- and 0~9 buttons. • If you want to restore a skipped position number, select it using the -/-- and 0~9 buttons then switch the “SKIP”...

  • 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 : 21JZ3E/21JZ3ES/21JZ5E/21JZ5ES/21JZ5MJ/21JZ5T Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
  • Page 18 Location Parts No. Description Location Parts No. Description C436 24206478 ELECTROLYTIC, 50V 0.47UF M 7L 3A C893 24092338 CERAMIC DISC, 2KV R 270PF K C437 24109822 CERAMIC CHIP, 50V B 8200PF K C897 24092553 CERAMIC DISC, AC250V B 470PF K C440 24503213 PLASTIC FILM CF92 T 1500VH 1500PF H C898...
  • Page 19 Location Parts No. Description Location Parts No. Description #2 24011330 CHIP, 1/20W 33 OHM J R147 24011152 CHIP, METAL FILM, 1/20W 1.5K OHM J #3 24011360 METAL FILM CHIP 1/20W 36 J R148 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J #4 24011330 CHIP, 1/20W 33 OHM J R150 24000445 CHIP JUMPER, 1608TYPE...
  • Page 20 Location Parts No. Description Location Parts No. Description R498 24011154 CHIP, METAL FILM, 1/20W 150K OHM J R934 24366561 CARBON FILM, 1/6W 560 OHM J R603 24011223 CHIP, METAL FILM, 1/20W 22K OHM J R935 24366392 CARBON FILM, 1/6W 3.9K OHM J R604 24011220 CHIP, METAL FILM, 1/20W 22 OHM J R936...
  • Page 21 Location Parts No. Description Location Parts No. Description RS12 #3 24011103 CHIP, METAL FILM, 1/20W 10K OHM J COILS & TRANSFORMERS #4 24011103 CHIP, METAL FILM, 1/20W 10K OHM J L101 23289929 COIL, PEAKING COIL 82MMH TRF4820AU #5 24011103 CHIP, METAL FILM, 1/20W 10K OHM J L102 #1 23238562 COIL, PEAKING, TRF4109AJ #6 24011103 CHIP, METAL FILM, 1/20W 10K OHM J...
  • Page 22 Location Parts No. Description Location Parts No. Description Q104 23205006 TRANSISTOR, KTC4075Y #6 23205204 TRANSISTOR, NPN VEBO=25V KTC2875B-RTK Q108 70200984 IC, A/V SW 3IN1X1 SOP-8C MM1113XF QV10 23205081 TRANSISTOR, 2SA1980-Y Q109 23205081 TRANSISTOR, 2SA1980-Y QV13 23000359 IC, MM1111XF Q111 #6 23205005 TRANSISTOR, KTA2014Y QV14 #3 23000359 IC, MM1111XF Q112 23205006 TRANSISTOR, KTC4075Y...
  • Page 23 U901 23761794 PC BOARD ASSY, PD0607E CRT/D TSP2003082892 U902 #1 23762534 PC BOARD ASSY, PD1892 21JZ3E MA TSP2004032902 #2 23762690 PC BOARD ASSY, PD1892B 21JZ3ES TSP2004042102 #3 23762535 PC BOARD ASSY, PD1892A 21JZ5E TSP2004032907 #4 23762691 PC BOARD ASSY, PD1892C 21JZ5ES TSP2004042103 #5 23762693 PC BOARD ASSY, PD1892D 21JZ5MJ TSP2004042104 –...
  • Page 24 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 24 –...

  • Page 25: Pc Boards Bottom View

    MAIN BOARD PD1892 (21JZ3E)(U902) MAIN BOARD PD1892B (21JZ3ES)(U902) MAIN BOARD PD1892A (21JZ5E)(U902) MAIN BOARD PD1892C (21JZ5ES)(U902) MAIN BOARD PD1892D (21JZ5MJ)(U902) MAIN BOARD PD1892E (21JZ5T)(U902) BOTTOM (FOIL) SIDE GJ27 Q115 GJ25 GJ28 R169 R182 R167 QV14 QB43 Q108 QB61 R178 B102...

  • Page 26: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS CRT/D BOARD PD0607E (U901) BOTTOM (FOIL) SIDE P501B CCP-3400 R916 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 R946 R918 23546994 R924 (old) 2SD1763A 2SC2482 2SA562TM TP46B TP46G C910 2SC5243 2SC1569 2SC2655 2SA1015 C903 R922 TP46R 2SC4544 R919 D903 D901 2SC4721P 2SC1815...

  • Page 27: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 21JZ3E/21JZ3ES/21JZ5E/21JZ5ES/ 21JZ5MJ/21JZ5T 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 28 – 30 –...

  • Page 29: Specifications

    SPECIFICATIONS MODEL 21JZ3E 21JZ3ES 21JZ5E 21JZ5ES 21JZ5MJ 21JZ5T Rated voltage ~ 110 - 240V, 50/60Hz Power consumption (at ~ 220V 50Hz) Dimensions 613(W) x 487(D) x 470(H) mm (Width x Depth x Height) Mass 23.4kg Picture Tube Type 21 Flat square picture tube (549.1mm) Overall picture tube measured diagonally...

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