Toshiba 29VZ6DE, Service Manual
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Toshiba 29VZ6DE, Service Manual

Toshiba 29VZ6DE, Service Manual

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FILE NO. 060-200210
SERVICE MANUAL

COLOUR TELEVISION

S2ES Chassis
29VZ6DE , 29VZ6DA
29VZ6SH
Sep., 2002

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Summary of Contents for Toshiba 29VZ6DE,

  • Page 1: Colour Television

    FILE NO. 060-200210 SERVICE MANUAL COLOUR TELEVISION S2ES Chassis 29VZ6DE , 29VZ6DA 29VZ6SH Sep., 2002...

  • 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 ..............................13 CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ..........................14 LOCATION OF CONTROLS ...........................

  • Page 3: Safety Instructions

    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.

  • 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 2) While pressing (or CALL) button on 3) Press MENU button on TV. 1) Select the Service mode. 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: Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 29" HIGH VOLTAGE AT ZERO BEAM: 32.8 kV MAX HIGH VOLTAGE: 33.0 kV AC VOLTAGE 110~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data RCUT R CUTOFF (B/W)

  • Page 14: Location Of Controls

    LOCATION OF CONTROLS Front Behind the door r ON-timer (green) q Power (red) indicator L/MONO R VIDEO AUDIO MENU – ; + Remote sensor MENU Volume down/up Headphone jack t c s a(3) Video 3 input terminal q POWER switch a TV/VIDEO (ø3.5 mm) (Channel select)
  • Page 15 Remote CALL Power ON/OFF on-screen on/off TXT/TV Mute Direct Select -/– Digit Select TV/VIDEO Select Volume down/up CH down/up Menu –/+ Menu 8/9 – Picture control MENU Menu open – 15 –...

  • Page 16: 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 MANUAL SEARCH , MFT (Manual Fine Tuning) and SKIP functions so that you can tune into only desired channels. To preset channels (ASM) To preset channels (Manual search) and to skip unnecessary position numbers...
  • Page 17 • 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). The AFT OFF status automatically keeps the condition adjusted with the MFT function.

  • Page 18: Chassis And Cabinet Replacement Parts List

    CHASSIS AND CABINET REPLACEMENT PARTS LIST WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAUTION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL. 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 19 Location Location Parts No. Description Parts No. Description C470 24666470 ELECTORLYTIC, 16V 47UF M 3A C829 24591272 PLASTIC FILM, 50V 2700PF J C472 24539474 PLASTIC FILM, 50V 0.47UF J C831 24794470 ELECTORLYTIC, 16V 47UF M C473 24797010 ELECTROLYTIC, 50V 1UF M C833 24797229 ELECTROLYTIC, 50V 2.2UF M...
  • Page 20 Location Location Parts No. Description Parts No. Description CT02 24232103 CERAMIC DISC, 50V F 0.01UF Z CV20 24073077 ELECTROLYTIC, 50V 0.1UF M 3A (29VZ6DE/29VZ6DA) CV22 24073077 ELECTROLYTIC, 50V 0.1UF M 3A CT03 24232103 CERAMIC DISC, 50V F 0.01UF Z CV30 24085982 ELECTRORYTIC, NONPOLAR, 50V 0.1UF M (29VZ6DE/29VZ6DA)
  • Page 21 Location Location Parts No. Description Parts No. Description R342 24366562 CARBON FILM, 1/6W 5.6K OHM J R502 24366222 CARBON FILM, 1/6W 2.2K OHM J R343 24310159 OXIDE METAL FILM, 1/2W 1.5 OHM J R503 24366102 CARBON FILM, 1/6W 1K OHM J R344 24366392 CARBON FILM, 1/6W 3.9K OHM J...
  • Page 22 Location Location Parts No. Description Parts No. Description R814 24366682 CARBON FILM, 1/6W 6.8K OHM J RA30 24366101 CARBON FILM, 1/6W 100 OHM J R815 24366332 CARBON FILM, 1/6W 3.3K OHM J RA31 24366101 CARBON FILM, 1/6W 100 OHM J R818 24019459 METAL PLATE, 2W 0.12 OHM J...
  • Page 23 Location Location Parts No. Description Parts No. Description RT04 24366102 CARBON FILM, 1/6W 1K OHM J RV11 24366472 CARBON FILM, 1/6W 4.7K OHM J (29VZ6DE/29VZ6DA) RV12 24366101 CARBON FILM, 1/6W 100 OHM J RT05 24366100 CARBON FILM, 1/6W 10 OHM J RV13 24366472 CARBON FILM, 1/6W 4.7K OHM J...
  • Page 24 Location Location Parts No. Description Parts No. Description L885 23248073 COIL, CHOKE, TLN3299D Q421 23314965 TRANSISTOR, KTC3198 Y L886 23103894 FILTER, FERRITE BEAD, TEM2011AW Q430 23314141 TRANSISTOR, 2SC3852 L889 23280016 COIL, PEAKING, TRF4100AZ Q430B 70391355 SCREW, BIND HEAD TAP-TITE B, L896 23103894 FILTER, FERRITE BEAD, TEM2011AW...
  • Page 25 Location Location Parts No. Description Parts No. Description QS04 23114623 TRANSISTOR, 2SC2878-A(TEM D805 23357012 DIODE, 1SS244 QS05 23114478 TRANSISTOR, RN2004 D806 23118094 DIODE, EU2A QT01 23009170 IC, 8BIT TV/TEXT MCU 32K, D807 23118616 DIODE, ZENER, RD27ESA B2 SAA5561PS/M3/0615 (29VZ6DE/29VZ6DA) D810 23118496 DIODE, ZENER, RD22ESA B2 QT02...
  • Page 26 Location Location Parts No. Description Parts No. Description ACCESSORIES N724 23965900 TAPE, GLASS-CLOTH, W/ADHESIVE W=18 T=0.18 K902 23306459 REMOCON HAND UNIT IR, CTVPAL, P661 23363607 JACK, HEAD PHONE, 3.5MM CT-90119 * P801 23372159 POWER CORD, CEE 250V 2.5A SILV 201 AT03 23588765 BATTERY COVER, REMOCON, CT-90119...

  • Page 27: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 29VZ6DE / 29VZ6DA / 29VZ6SH 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 – 34 –...
  • Page 29 27.0 27.0 32.0 32.0 2.0Vp-p 2.0Vp-p 5Vp-p 5Vp-p 1Vp-p 1Vp-p 12.0 12.0 2Vp-p 2Vp-p 29VZ6DE 29VZ6DA 29VZ6SH SIGNAL...
  • Page 30 27.0 27.0...
  • Page 31 7 .7...
  • Page 32 2.0Vp-p 2.0Vp-p...
  • Page 33 32.0 32.0...
  • Page 34 5Vp-p 5Vp-p 1Vp-p 1Vp-p 2Vp-p 2Vp-p...
  • Page 36 12.0 12.0...
  • Page 37 29VZ6DE 29VZ6DA 29VZ6SH SIGNAL...
  • Page 38 66Vp-p 66Vp-p 68Vp-p 68Vp-p 68Vp-p 68Vp-p -13.0 -13.0 -11.0 -11.0 120Vp-p(H) 120Vp-p(H) 27Vp-p(H) 27Vp-p(H) 150Vp-p(H) 150Vp-p(H) 35.0 35.0 11.5 11.5 11.5 11.5 11.5 11.5 122.7 122.7 122.3 122.3 64.3 64.3 280Vp-p(H) 280Vp-p(H) 82Vp-p(H) 82Vp-p(H) 1000Vp-p(H) 1000Vp-p(H) 450Vp-p 450Vp-p (AC=220V) (AC=220V) 23.0 23.0 -2.0...
  • Page 39 35.0 35.0 450Vp-p 450Vp-p...
  • Page 40 -13.0 -13.0 -11.0 -11.0 280Vp-p(H 280Vp-p(H...
  • Page 41 66Vp-p 66Vp-p 68Vp-p 68Vp-p 68Vp-p 68Vp-p 120Vp-p(H) 120Vp-p(H) 27Vp-p(H) 27Vp-p(H) 150Vp-p(H) 150Vp-p(H) 80Vp-p(H) 80Vp-p(H) 82Vp-p(H) 82Vp-p(H) 1000Vp-p(H) 1000Vp-p(H)
  • Page 42 11.5 11.5 11.5 11.5 11.5 11.5 122.7 122.7 122.3 122.3 64.3 64.3...
  • Page 43 450Vp-p 450Vp-p (AC=220V) (AC=220V) 1.5V 1.5V 40mV 40mV...
  • Page 44 27.0 27.0 14.0 14.0...
  • Page 45 23.0 23.0 -2.0 -2.0 -2.0 -2.0 150V 150V -10V -10V...
  • Page 46 29VZ6DE 29VZ6DA 29VZ6SH POWER-DEF CRT-D VM...

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