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Toshiba 42HP84 Service Manual

Plasma color television
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FILE NO. 020-200417

SERVICE MANUAL

Plasma Color Television
42HP84
DOCUMENT CREATED IN JAPAN, Oct., 2004

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  Summary of Contents for Toshiba 42HP84

  • Page 1: Service Manual

    FILE NO. 020-200417 SERVICE MANUAL Plasma Color Television 42HP84 DOCUMENT CREATED IN JAPAN, Oct., 2004...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................ 3 IMPORTANT INFORMATION ............................... 5 CLEANING ................................... 6 SERVICE MODE .................................. 7 TROUBLESHOOTING DIAGNOSIS FUNCTION ........................ ELECTRICAL ADJUSTMENTS ............................LOCATION OF CONTROLS ..............................11 LAYOUT OF MAJOR BOARDS ............................13 MECHANICAL DISASSEMBLY ............................14 EXPLODED VIEW ................................
  • Page 3: Service Safety Precautions

    SERVICE SAFETY PRECAUTIONS • The caution items shown here describe major safety issues and should always be observed. • The meanings of the various indications are as follows. Indicates a hypothetical situation in which service personnel and nearby third parties, or even WARNING end users due to a product defect after the service operation is completed, could possibly be in danger of injury or even death in the event of operational error.
  • Page 4 WARNING • Always advise users to keep children away. There is danger of injury to children from tools, disassembled products, etc. KEEP CHILDREN AWAY • Always disconnect the power plug before starting work whenever power is not required. Failure to disconnect the power plug before starting work can result in electrical shock. UNPULUG •...
  • Page 5: Important Information

    IMPORTANT INFORMATION About Permanent after-image • Due to the characteristics of a plasma screen, if the same image is displayed for an extended period of time, permanent after-image (image retention) in part of the screen may result. As a result of accu- mulative effect, brightness deterioration results.
  • Page 6: Cleaning

    CLEANING Remove the power plug before cleaning. Do not use solvents such as benzine or thinner to clean the TV. – These solvents may distort the cabinet or damage its finish. – If rubber or vinyl products remain in contact with the TV for a long time, a stain may result.
  • Page 7: Service Mode

    SERVICE MODE ENTERING TO SERVICE MODE 1) Press the "MUTE" button once on the remote control, "1/2 MUTE" is displayed on the screen. 2) Press the "MUTE" button again, "MUTE" is displayed on the screen. 3) Press the "MENU" button on the TV while pressing the "MUTE" button on the remote control, "S" may appear on the screen.
  • Page 8: Troubleshooting Diagnosis Function

    TROUBLESHOOTING DIAGNOSIS FUNCTION DIAGNOSIS FUNCTION FOR LED INDICATION CAUSE Short-circuit detection of BUS line LED is lit in 1 second at intervals of 1 second. BUS line may possibly be short-circuit (SDA to SCL), or BUS line (SDA, SCL) is grounded. Overcurrent limiter detection LED is lit in 0.5 at intervals of 0.5 second.
  • Page 9 SELF DIAGNOSIS FUNCTION 1) Press "9" button on the remote control during display of adjustment menu in the service mode. 2) During diagnosis, the following displays are shown. <SELF CHECK> NO. 23 ****** POWER : 000 TIME BUS LINE : OK TV : 00 **** BUS CONT...
  • Page 10: Location Of Controls

    LOCATION OF CONTROLS TV front Power indicator Remote sensor POWER Left Right side panel side panel Channel yz /Menu yz VIDEO-3 INPUT Volume x • /Menu x • MENU TV/VIDEO HEADPHONE jack Power Cord Wall outlet 120V AC 60Hz ColorStream HD-2 HDMI IN ColorStream HD-1 TheaterLink...
  • Page 11 Remote Control turns the TV on and off POWER allows access to the automatic TV shut-off function SLEEP The first press of the LIGHT button lights the keypad and turns LIGHT on the Illumination mode. With the Illumination mode on, pressing any other key lights the keypad for 5 seconds (10 seconds if you’re in programming mode).
  • Page 12: Layout Of Major Boards

    LAYOUT OF MAJOR BOARDS U003 PCB KEY-SW PD1903A3 E950 MODULE, HDMI DIGITAL OUTPUT MHDM11 U008 PCB SCALLER PD1898A1 U007 PCB LOWB-AOUT PD1904A1 U800 UNIT, POWER SWITCHING U002 PCB FRONT-AV PD1903A2 U005 PCB POWER-SW PD1903A5 U001 PCB SIGNAL PD1903A1 U004 PCB LED/RMT PD1903A4 - 12 -...
  • Page 13: Mechanical Disassembly

    MECHANICAL DISASSEMBLY 1. Remove the stand (foot). A410 PP6 × 35 × 2 PP6 × 35 × 2 A403 2. Remove the back cover ass’y and AV cover. PP4 × 8 × 27 BITTB4 × 12 × 14 A401 BITTB3 × 12 × 4 PP4 ×...
  • Page 14: Bittb4 ×

    3. Remove the boards (SCALLER, LOEB-AOUT, POWER-SWITCHING), front AV, piece key ass’y PP3 × 8 × 6 and FAN motor. U800 PP3 × 8 × 5 U007 PP4 × 8 × 2 PP4 × 12 × 3 PP3 × 8 × 4 PP4 ×...
  • Page 15 PP5 × 12 × 2 BITTB4 × 12 × 2 5. Remove the display. PP5 × 12 × 3 PP5 × 12 × 2 BITTB4 × 12 × 2 PP5 × 12 × 3 BITTB4 × 20 × 2 BITTB4 × 20 × 2 BITTB4 ×...
  • Page 16: Exploded View

    EXPLODED VIEWS 1. Chassis Block BITTB4 × 12 × 14 A410 PP6 × 35 × 2 PP6 × 35 × 2 PP4 × 8 × 27 BITTB3 × 12 × 4 PP4 × 8 × 6 B205 PP3 × 8 × 4 A401 H003 H003A...
  • Page 17 2. Display panel Block PP5 × 12 × 2 BITTB4 × 12 × 2 PP5 × 12 × 3 PP5 × 12 × 2 BITTB4 × 20 × 2 BITTB4 × 12 × 2 PP5 × 12 × 3 BITTB 4 ×...
  • Page 18: Packing Disassembly

    PACKING DISASSEMBLY A705 A701A A705 A702A A702A A703 K902 Y101 Y170 K903 Y180 A702B Y109 A702B A701B - 18 -...
  • 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 : 42HP84 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 20 Location Location Parts No. Description Parts No. Description C8351 24539104 PLASTIC FILM, 50V 0.1UF J CV05 24092621 CERAMIC CHIP, 10V B 1UF K CB01 24794470 ELECTROLYTIC, 16V 47UF M CV06 24092621 CERAMIC CHIP, 10V B 1UF K CB51 24590103 PLASTIC FILM, 50V 0.01UF J CV10 24100104 CERAMIC CHIP, 25V F 0.1UF Z...
  • Page 21 Location Location Parts No. Description Parts No. Description RESISTORS R6003 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R103 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R6004 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R104 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R6005 24011101 CHIP, METAL FILM, 1/20W 100 OHM J...
  • Page 22 Location Location Parts No. Description Parts No. Description RC13 24011821 CHIP, 1/20W 820 OHM J RV01 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RC14 24011821 CHIP, 1/20W 820 OHM J RV03 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RS16 24011473 CHIP, METAL FILM, 1/20W 47K OHM J...
  • Page 23 Location Location Parts No. Description Parts No. Description RY512 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J LV13 23246253 INDUCTOR, CHIP 10MMH K COLTRF4100CN RY513 24011152 CHIP, METAL FILM, 1/20W 1.5K OHM J LV120 23277002 CORE, COMON MODE FILTER ACM3225-102-2PT100 RY516 24011472 CHIP, 1/20W 4.7K OHM J...
  • Page 24 23314993 TRANSISTOR, 2SC4081 Q B001A 23405400 OPTICAL FILTER, PDP42V 45% MCI TSM42-04 QV006 23314993 TRANSISTOR, 2SC4081 Q B205 23940176 PIECE, AV COVER 42HP84 QV007 23314993 TRANSISTOR, 2SC4081 Q B211 23717215 SCREW, PP3X8+SW+W ECO 42HP84 QV01 23009940 IC, VIDEO S/W MM1630AQ...
  • Page 25 K903 23306465 REMOCON HAND UNIT Y101 23566436 OWNERS MANUAL, ENG/FRE/SPA 42HP84 CABINET PARTS A201 23532968 COVER, FRONT COVER ASSY 42HP84 A212 23940043 PIECE, CAP P SWITCH 32L400V A219 23445876 BUTTON, BUTTON POWER ASSY 42HP84 A220 23940170 PIECE, FRONT AV ASSY 42HP84...
  • Page 26 SIGNAL BOARD PD1903A1 (U001) BOTTOM (FOIL) SIDE CV38 P520 RB76 RV370 RV370 CV38 RV340 RV340 PJ13A CC02 RV330 CC01 RC02 CC02 P816B QY518 RV330 P817B QY522 RY583 CC01 RC02 RY583 RY584 Y_E3_GND GR50 GR50 RV40 QY518 RY584 RY573 Y_E3 QY506 RV40 RY573 QY506...
  • Page 27 SIGNAL BOARD PD1903A1 (U001) TOP (COMPONENT) SIDE ACDETECT MUTE_SPK P520 PR80 MUTE_A PJ13A P816B PD1903 P817B CS503 RS504 Q6003 Y_E3_GND GRS02 RS505 23590099 C6075 C6088 RS507 CS505 Y_E3 L6004 C_E3_GND CS503 RS504 Q6003 C6075 XY501 C6088 L6004 GRS02 RS505 C_E3 C6080 QY501 RS507...
  • Page 28 FRONT-AV PD1903A2 (U002) KEY-SW PD1903A3 (U003) LED/RMT PD1903A4 (U004) BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE E3-R E3-L E3-V POS UP POS DN VOL UP VOL DN MENU VIDEO PV61 PV60 PJ22A SA01 SA03 SA04 P661 SA02 SA07 RV122 SA06 RA73...
  • Page 29 POWER-SW BOARD PD1903A5 (U005) BOTTOM (FOIL) SIDE R-1786 23547702 S801 PJ60A POWER-SW BOARD PD1903A5 (U005) BOTTOM (FOIL) SIDE PD1903 23590099 S801 3 2 1 PJ60A - 32 - - 33 -...
  • Page 30 LOWB-AOUT BOARD PD1904A1 (U007) BOTTOM (FOIL) SIDE D898 D897 D899 R898 R897 R899 C899 C681 R677 P808A D832 C622 R680 PROTECT Q829A R673 R673 CCP-6400 C682 D833 C678 Q829 R676 Q610 23547703 R838 L839 D896 R671 R671 R684 C680 R684 C677 C675 R670...
  • Page 31 SCALLER BOARD PD1898A1 (U008) BOTTOM (FOIL) SIDE - 36 - - 37 -...
  • Page 32 SCALLER BOARD PD1898A1 (U008) TOP (COMPONENT) SIDE - 38 - - 39 -...
  • Page 33 SCHEMATIC DIAGRAM MODEL : 42HP84 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 SCHEMATIC DIAGRAM STRUCTURE CONNNECTION ........................... 1/58 SIGNAL (CONNECTOR) [SHEET-1/8] ... 2/58 (VIDEO-SW) [SHEET-2/8] ... 3/58 (MSP+LipSync) [SHEET-3/8] ... 4/58 (BACK-AV) [SHEET-4/8] ... 5/58 (TIF) [SHEET-5/8] ... 6/58 (AUDIO MUTE) [SHEET-6/8] ... 7/58 (AUDIO-SW) [SHEET-7/8] ... 8/58 (SUB VCD) [SHEET-8/8] ... 9/58 LOWB-AOUT (1/2) [SHEET-1/2] ..
  • Page 35 P/Phon e PJ13A - 42 -...
  • Page 36: Specifications

    SPECIFICATIONS Television System HDMI INPUT: NTSC standard HDMI compliant (type A connector) HDCP compliant Channel Coverage E-EDID* compliant VHF: 2 through 13 Suggested scan rates: 1080i, 480p, 480i, 720p UHF: 14 through 69 HDMI Audio: 2-channel PCM Cable TV: Mid band (A-8 through A-1, A through I) 32/44.1/48 kHz sampling freque Super band (J through W) 16/20/24 bits per sample...
  • Page 37 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...