Toshiba 32ZP48P Service Manual
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Toshiba 32ZP48P Service Manual

Toshiba 32ZP48P Service Manual

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SERVICE MANUAL
Colour Television
FILE NO. 030-200408
ZP38 Chassis
32ZP48P
36ZP48P
Jul. 2004 (YC/X)

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  • Page 1 FILE NO. 030-200408 SERVICE MANUAL Colour Television ZP38 Chassis 32ZP48P 36ZP48P Jul. 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 ..............................15 CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ..........................16 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 SERVICE 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 (5)Adjust the sub-4-pole magnets only in case there is any deviation of Xv bow-shaped convergence. (To be usually set at the initial position) Align both sides with the sub-4-pole magnets and minimize the deviation of blue and red with the main 4-pole magnets. Xv bow-shaped deviation of convergence red/blue blue...

  • 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 Mute or (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 16) 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 WIDTH 1. Call up the adjustment mode display, then select the item WID. (WID) 2. Press the ; – /+ button to get the picture so the left and rightedges of raster begins to lack. 3. Press the ; – /+ button to advance the data by 7 steps. Note : Check the horizontal picture position is correct.
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  • Page 15: 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 16: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 32” 36" HIGH VOLTAGE AT ZERO BEAM: 32.2 kV 32.4 kV MAX HIGH VOLTAGE: 35.0 kV 35.0 kV AV VOLTAGE 220~240 V 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data...

  • Page 17: Location Of Controls

    LOCATION OF CONTROLS Front �������������������� �������������� ������������ ������ Back ��������������������� ������� ��������������� ���������� ���� ��������������� �������������� ��������������� – 17 –...
  • Page 18 Remote Control ������������������� ������������������������������������� ��������������������������������������� ������������������� �������������� ������������������������������������� ������������������������������������ ����������������������������������� ���� ������������������ ������������������������������ ������������� ��������������� ��������������������������������� �������������� �������������������� ������������������������������������ �������������������������������������� ������ �� ������������������������� ������������������������ �������������� ����������������� ������������ �������������� ����������������� �������������������������������� � ���������������� � ����� �������� � ������������� � ����� �������� ����...

  • Page 19: 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 : 32ZP48P/36ZP48P Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
  • Page 20 Location Parts No. Description Location Parts No. Description C511 24100104 CERAMIC CHIP, 25V F 0.1UF Z 24797330 ELECTROLYTIC, 50V 33UF M @U903C C512 24100104 CERAMIC CHIP, 25V F 0.1UF Z C671 24669010 ELECTROLYTIC, 50V 1UF M 3A C513 24109103 CERAMIC CHIP, 50V B 0.01UF K C672 24590222 PLASTIC FILM, 50V 2200PF J C514...
  • Page 21 Location Parts No. Description Location Parts No. Description C911 24203100 ELECTORLYTIC, 16V 10UF M 7L 3A CC14 24212102 CERAMIC DISC, 50V B 1000PF K C912 #1 24763102 ELECTROLYTIC, 16V 1000UF M CC15 24212102 CERAMIC DISC, 50V B 1000PF K @U903C #2 24763222 ELECTROLYTIC, 04G 16V 2200UF M 24232103 CERAMIC DISC, 50V F 0.01UF Z @U904 C913...
  • Page 22 Location Parts No. Description Location Parts No. Description CT03 24109103 CERAMIC CHIP, 50V B 0.01UF K R307 24366101 CARBON FILM, 1/6W 100 OHM J CT04 24793101 ELECTROLYTIC, 10V 100UF M R315 24366332 CARBON FILM, 1/6W 3.3K OHM J CT05 24100104 CERAMIC CHIP, 25V F 0.1UF Z R318 24366101 CARBON FILM, 1/6W 100 OHM J CT06...
  • Page 23 Location Parts No. Description Location Parts No. Description R477 24366102 CARBON FILM, 1/6W 1K OHM J R643 24011562 CHIP, METAL FILM, 1/20W 5.6K OHM J R478 24381333 OXIDE METAL FILM, 1/2W 33K OHM J R644 24011473 CHIP, METAL FILM, 1/20W 47K OHM J R479 24531680 FUSIBLE, 1/2W 68 OHM J R645...
  • Page 24 Location Parts No. Description Location Parts No. Description R828 24366821 CARBON FILM, 1/6W 820 OHM J R4401 24011302 CHIP, METAL FILM, 1/20W 3K OHM J R829 24321228 OXIDE METAL FILM, 1/2W 0.22 OHM J R4403 24011471 CHIP, METAL FILM, 1/20W 470 OHM J R831 24366471 CARBON FILM, 1/6W 470 OHM J R4404...
  • Page 25 Location Parts No. Description Location Parts No. Description RA75 24011333 CHIP, METAL FILM, 1/20W 33K OHM J RJ05 #2 24323479 METAL FILM, 2W 4.7 OHM J RA76 24011333 CHIP, METAL FILM, 1/20W 33K OHM J RJ06 #2 24366103 CARBON FILM, 1/6W 10K OHM J RA78 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RJ10...
  • Page 26 Location Parts No. Description Location Parts No. Description RS64 24011681 CHIP, METAL FILM, 1/20W 680 OHM J RV46 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RS65 24011681 CHIP, METAL FILM, 1/20W 680 OHM J RV47 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J RT01 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RV48...
  • Page 27 Location Parts No. Description Location Parts No. Description GJ05 24000445 CHIP JUMPER, 1608TYPE L892 23103249 CORE, FERRITE BEAD 3.5X4.5, TEM2011AO GJ08 24000445 CHIP JUMPER, 1608TYPE L893 23248289 COIL, CHOKE, TLN3312GH GJ11 24000445 CHIP JUMPER, 1608TYPE L894 23289840 COIL, PEAKING, TRF4100AT GJ23 24000445 CHIP JUMPER, 1608TYPE L895...
  • Page 28 Location Parts No. Description Location Parts No. Description T802 23211779 COIL, LINE FILTER 37X44H 16MH TRF3231AR Q827 23000352 IC, SE125N, LF4 T840 23217616 TRANSFORMER, POWER EI28 7V195V TPW1575AT Q830 23314141 TRANSISTOR, 2SC3852 T862 23217562 TRANSFORMER, CONVERTER TPW3501AS Q831 23314141 TRANSISTOR, 2SC3852 G401 23103249 CORE, FERRITE BEAD 3.5X4.5, TEM2011AO Q832...
  • Page 29 Location Parts No. Description Location Parts No. Description QT13 23314994 TRANSISTOR, 2SA1576A106 D630 23118041 DIODE, MA111 QT14 23314994 TRANSISTOR, 2SA1576A106 D640 23118041 DIODE, MA111 QT15 23314994 TRANSISTOR, 2SA1576A106 D641 23118041 DIODE, MA111 QV01 23906887 IC, CXA2069Q D642 23118041 DIODE, MA111 QV02 23205006 TRANSISTOR, KTC4075Y D643...
  • Page 30 Location Parts No. Description Location Parts No. Description G684 23118041 DIODE, MA111 Q901B 70391355 SCREW, BIND HEAD TAP-TITE B, BITTB 3X8 SZN KB01 23000852 IC, REMOTE PHOTO RECEIVER, PIC-37043TE2 Q903B 70391355 SCREW, BIND HEAD TAP-TITE B, BITTB 3X8 SZN PD05 23906206 IC, TORX176 Q905B 70391355 SCREW, BIND HEAD TAP-TITE B, BITTB 3X8 SZN...
  • Page 31 Location Parts No. Description Location Parts No. Description A202 #1 23532789 COVER, BEZEL ASSEMBLY #2 23532792 COVER, BEZEL ASSEMBLY A231 23445701 BUTTON, BUTTON(POWER) A241 70368125 PUSH CATCH A242 23428184 DOOR, DOOR PROPER A401 #1 23530806 COVER, BACK COVER ASSEY #2 23530753 COVER, BACK COVER ASSEY A403 23150276 SP BOX, WOOFER BOX ASSEY A434...

  • Page 32: Pc Boards Bottom View

    SIGNAL BOARD PD1777 (32ZP48P) (U902) SIGNAL BOARD PD1777A (36ZP48P) (U902) TOP (COMPONENT) SIDE L605 C672 R686 C683 C666 C664 P104 H002 Q670 C660 C670 C681 C615 C665 C682 GJ606 GJ607 C616 L101 JP010 Q670A C110 C111 C618 Q617 H001 C652...
  • Page 33 SIGNAL BOARD PD1777 (32ZP48P) (U902) SIGNAL BOARD PD1777A (36ZP48P) (U902) BOTTOM (FOIL) SIDE L605 R676 Q671 R663 R663 R676 R686 R670 C671 C678 C677 C674 C687 P104 C660 D672 R664 D672 CV39 H0021 R664 D673 D673 C682 R672 R682 R672...
  • Page 34 POWER BOARD PD1778-1 (32ZP48P) (U903A) POWER BOARD PD1778A-1 (36ZP48P) (U903A) BOTTOM (FOIL) SIDE PL03 CAUTION LIVE AREA 23547623 P498 T840 C802 R-8500 D840 C840 R841 BB22B L894 R808 PL02 C803 P831A P910 L801 D841 SR83 R842 R852 Q840 L889 C842...
  • Page 35 DEF BOARD PD1779 (32ZP48P) (U904) DEF BOARD PD1779A (36ZP48P) (U904) BOTTOM (FOIL) SIDE R319 D337 R307 BB15B Q461 R4799 R318 C449 D313 R315 BB16B R494 C494 C4690 D336 L442 D312 R483 R314 D307 R474 R499 R341 L449 CC15 C477 C495...
  • Page 36 INDICATOR BOARD PD1778-2 (32ZP48P) (U903B) INDICATOR BOARD PD1778A-2 (36ZP48P) (U903B) BOTTOM (FOIL) SIDE PA02B QB02 KB01 RB04 RB13 DB04 DB03 RB01 DB01 PL05 RB14 23547623 CB22 CB21 DB02 RB03 R-8500 RB22 QB04 PL04 CONTROL BOARD PD1778-3 (32ZP48P) (U903C) CONTROL BOARD PD1778A-3 (36ZP48P) (U903C)
  • Page 37 CRT-D BOARD PD1776 (32ZP48P) (U901) CRT-D BOARD PD1776A (36ZP48P) (U901) BOTTOM (FOIL) SIDE – 42 –...

  • Page 38: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 (old) 2SD1763A 2SA562TM 2SC2482 2SC5243 2SC1569 2SA1015 2SC2655 2SC5570 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 ON4409 RN2203 2SD1554 RN2201 2SD2253 2SD1556 RN2004 RN1203 2SC5143 RN1204 2SD2553 RN2204 RN1205 RN1202 RN1201...
  • Page 39 SCHEMATIC DIAGRAM MODEL : 32ZP48P/36ZP48P 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 40 – 45 –...

  • Page 41: Specifications

    SPECIFICATIONS MODEL 32ZP48P 36ZP48P Broadcast systems/channels PAL-I UK21-UK69 PAL-B/G E21-E69 E2-E12, S1-S41 SECAM-L F21-F69 F1-F10, B-Q SECAM-D/K R21-R69 R1-R12 Video Input PAL, SECAM, NTSC 3.58/4.43 External connections EXT1 Input 21-pin SCART RGB, A/V EXT2 Input 21-pin SCART RGB, A/V EXT3...
  • Page 42 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...
  • Page 43 SCHEMATIC DIAGRAM MODEL : 32ZP48P/36ZP48P 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 44 – 45 –...
  • Page 45 32ZP48P/36ZP48P SIGNAL (CONNECTORS) SHEET-1/10 (1/19)
  • Page 46 5Vp-p 5Vp-p 5Vp-p 5Vp-p 5Vp-p 5Vp-p 32ZP48P/36ZP48P SIGNAL (MICRO) SHEET-2/10 (2/19)
  • Page 47 32ZP48P/36ZP48P SIGNAL (AV) SHEET-3/10 (3/19)
  • Page 48 0.6V(p-p) 0.78V(p-p) 0.53V(p-p) 0.75V(p-p) 0.9V(p-p) 0.8V(p-p) 0.7V(p-p) 0.9V(p-p) 32ZP48P/36ZP48P SIGNAL (COMB & MCD) SHEET-4/10 (4/19)
  • Page 49 0.9V(p-p) 2.5 2.5 0.78V(p-p) 0.53V(p-p) 0.75V(p-p) 32ZP48P/36ZP48P SIGNAL (BEP) SHEET-5/10 3.4V(p-p) 3.5V(p-p) 3.6V(p-p) (5/19)
  • Page 50 12.8 13.0 26.0 12.8 26.0 13.0 32ZP48P/36ZP48P SIGNAL (AUDIO) SHEET-6/10 (6/19)
  • Page 51 32.0 32ZP48P/36ZP48P SIGNAL (IF) SHEET-7/10 (7/19)
  • Page 52 32ZP48P/36ZP48P SIGNAL (LOW-B REGULATOR) SHEET-8/10 (8/19)
  • Page 53 32ZP48P/36ZP48P SIGNAL (FREQ_DET) SHEET-9/10 (9/19)
  • Page 54 32ZP48P/36ZP48P SIGNAL (TEXT) SHEET-10/10 (10/19)
  • Page 55 450Vp-p (AC=220V) 1.5V 32ZP48P/36ZP48P POWER_INDI_CONT (POWER) SHEET-1/3 (11/19)
  • Page 56 32ZP48P/36ZP48P POWER_INDI_CONT (INDICATOR) SHEET-2/3 (12/19)
  • Page 57 32ZP48P/36ZP48P POWER_INDI_CONT (CONTROL) SHEET-2/3 (13/19)
  • Page 58 1050V(p-p)(H) 123V 270V(p-p)(H) 32ZP48P/36ZP48P DEF (HORIZONTAL-DEF) SHEET-1/2 (14/19)
  • Page 59 50V(p-p)(V) -15.0 0.8 15.0 1.3V(p-p)(V) 32ZP48P/36ZP48P DEF (VERTICAL-DEF) SHEET-2/2 (15/19)
  • Page 60 104Vp-p 102Vp-p 103Vp-p 11.5 11.5 11.5 122.7 122.3 64.3 32ZP48P/36ZP48P (16/19)
  • Page 61 QT07 CY7C1019CV33-12ZCT QT09 OPEN 32ZP48P/36ZP48P TEXT-P2 (17/19)
  • Page 62 32ZP48P/36ZP48P DIGITAL-IN (18/19)
  • Page 63 32ZP48P/36ZP48P EXT-SP (19/19)

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