Toshiba 19HLV87 Service Manual
  1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. LCD TV
  5. 19HLV87 - 19" LCD TV
  6. Service manual
Toshiba 19HLV87 Service Manual

Toshiba 19HLV87 Service Manual

Lcd tv/dvd combination
Hide thumbs Also See for 19HLV87:

Advertisement

Table of Contents

See also: Owner's Manual
FILE NO. 810-200715GR

SERVICE MANUAL

LCD TV/DVD COMBINATION
19HLV87
l
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
DOCUMENT CREATED IN JAPAN, Feburuary, 2007 GREEN

Advertisement

Table of Contents
loading

Related Manuals for Toshiba 19HLV87

Summary of Contents for Toshiba 19HLV87

  • Page 1: Service Manual

    FILE NO. 810-200715GR SERVICE MANUAL LCD TV/DVD COMBINATION 19HLV87 The above model is classified as a green product (*1), as indicated by the underlined serial number. This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2).
  • Page 2 Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.
  • Page 3 CAUTION THIS LCD COLOR TELEVISION EMPLOYS A LASER SYSTEM. TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE- FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE, CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE. USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
  • Page 4 IMPORTANT SERVICE SAFETY INFORMATION Safety precautions to be followed during servicing: Parts marked with an are critical parts for safety. Replace only with the one described in the parts list. Before returning the DVD product to the customer, make the appropriate leakage current check or resistance measurements to ensure that exposed parts are properly insulated from the supply circuit.

  • Page 5: Important Safeguards

    IMPORTANT SAFEGUARDS READ INSTRUCTIONS All the safety and operating instructions should be read before the unit is operated. RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference. HEED WARNINGS All warnings on the unit and in the operating instructions should be adhered to. FOLLOW INSTRUCTIONS All operating and use instructions should be followed.
  • Page 6 IMPORTANT SAFEGUARDS (CONTINUED) OUTDOOR ANTENNA GROUNDING If an outside antenna or cable system is connected to the unit, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA 70, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.
  • Page 7 EXAMPLE OF ANTENNA GROUNDING AS PER THE NATIONAL ELECTRICAL CODE ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING NEC-NATIONAL ELECTRICAL CODE ELECTRODE SYSTEM (NEC ART 250, PART H) S2898A A1-5...
  • Page 8 WHEN REPLACING DVD DECK [ When removing the DVD Deck ] Before removing Pick Up PCB and DVD PCB connector, the short circuit the position shown in Fig. 1 using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged. [ When installing the DVD Deck ] Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD PCB connector.
  • Page 9 TABLE OF CONTENTS CAUTION ........................A1-1 IMPORTANT SERVICE SAFETY INFORMATION ............. A1-2 IMPORTANT SAFEGUARDS ..................A1-3~A1-5 WHEN REPLACING DVD DECK ................A1-6 TABLE OF CONTENTS ....................A2-1 GENERAL SPECIFICATIONS ..................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1.REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS ........ B1-1,B1-2 2.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ........

  • Page 10: General Specifications

    GENERAL SPECIFICATIONS 20WLCD/DVD 19HLV87 Scaler IC Video Decoder IC SAMSONG LCD Panel Maker PDP Panel Screen Size 19inch Aspect 1440(H) x 900(V) Resolution Brightness 300cd/? Contrast 700 : 1 135° Viewing Angle (CR?10) Vertical Horizontal 150° Response Time (Tr?Tf) (Gray to Gray)
  • Page 11 GENERAL SPECIFICATIONS 20WLCD/DVD 19HLV87 Scaler IC Video Decoder IC HDMI1 in (Rear) DVI in Audio RCA×2 HDMI2 in DVI in Audio Mini Jack FM Radio Antenna Card Slot (4in1) Cable Card Slot USB Tarminal IR Pass-Through IR Blaster Network Tarminal...
  • Page 12 GENERAL SPECIFICATIONS 20WLCD/DVD 19HLV87 Scaler IC Video Decoder IC Bass/Treble/Balance Feature CH Label (Other) Video Label Clock Sleep Timer On Timer Direct Input Selection V-CHIP Closed Caption CH Lock/Video Lock/Game Timer Front Panel Lcok Feature Digital Closed Caption (Digital?) POD (Point of Deployment)
  • Page 13 GENERAL SPECIFICATIONS 20WLCD/DVD 19HLV87 Scaler IC Video Decoder IC Skip+, Search+ Skip-, Search- Indicator Power Yes(Red) Stand-by Power/Stand-by Yes(Green/Red) Sleep Timer On Timer Set Size Set Size W x D x H (mm) Weight (w/o Stand,Handle) W x D x H (mm)
  • Page 14 GENERAL SPECIFICATIONS 20WLCD/DVD 19HLV87 Scaler IC Video Decoder IC DVD, CD-DA Playable Disc CD-R/RW *DVD-R/RW *(Video Format Only) MP3 Playback WMA Playback JPEG Playback Video CD Playback SVCD Playback Divx Playback Digital Out Dolby Digital MPEG Down Mix Out Dolby Digital...

  • Page 15: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-4: HANDLE BRACKET (Refer to Fig. 1-4) Remove the 4 screws. AND P.C. BOARDS Remove the Handle bracket in the direction of arrow. 1-1: BACK COVER (Refer to Fig. 1-1) Unlock the 2 supports Handle bracket Remove the Back Cover in the direction of arrow.
  • Page 16 DISASSEMBLY INSTRUCTIONS 1-7: POWER PCB / INPUT PCB (Refer to Fig. 1-7) 1-9: REMOCON PCB / OPERATION PCB (Refer to Fig. 1-9) Remove the 4 screws Remove the 3 screws. Disconnect the following connector: (AH302215) Remove the Operation PCB and Function button in the Remove the Power PCB in the direction of arrow (A).
  • Page 17 DISASSEMBLY INSTRUCTIONS 3. When IC starts moving back and forth easily after 2. REMOVAL AND INSTALLATION OF FLAT desoldering completely, pickup the corner of the IC using PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine.
  • Page 18 DISASSEMBLY INSTRUCTIONS 4. When bridge-soldering between terminals and/or the INSTALLATION soldering amount are not enough, resolder using a Thin- 1. Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
  • Page 19 Turn on the power, and set the DVD mode, DVD with stade of NO disc under disc open state. Press "Display" button on the remocon. Firmware version will be displayed on the top of the screen. Toshiba TV combo 2007/01/15 R1 2007/01/15 Region code Release date (Example: 2007.1.15)

  • Page 20: Confirmation Of Initial Data

    WHEN REPLACING EEPROM (MEMORY) IC CONFIRMATION OF INITIAL DATA Turn POWER on. Press "up+ down + left + right + menu + enter" on the remote control in turn to enter Factory mode as FIG 1. Factory Menu SOURCE-SELECTION ADC ADJ COLORTEMP ADJ.

  • Page 21: Adjustment Procedure

    ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE Press "up+ down + left + right + menu + enter" on the remote control in turn to enter Factory mode as FIG 1-1. Factory Menu SOURCE-SELECTION ADC ADJ COLORTEMP ADJ. USERDATA RESET EEPROM RESET ExtMcu Version T24:60:00 01/20/06 SW Version...

  • Page 22: White Balance Adjustment

    ELECTRICAL ADJUSTMENTS 2. WHITE BALANCE ADJUSTMENT Press "up+ down + left + right + menu + enter" on the remote control in turn to enter Factory mode as FIG 2-1. Factory Menu SOURCE-SELECTION Color Stream HD ADC ADJ COLORTEMP ADJ. USERDATA RESET EEPROM RESET ExtMcu Version...

  • Page 23: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS 3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) OPERATION PCB JP2001 HV POWER PCB AH302215 LCD PANEL CON12 DVD MECHA POWER PCB CON2 AH302218 AH302210 AH302214 SPEAKER CON10 CON15 CPU UPDATE DECODER PCB AH302217 MIAN PCB MSD116L UPDATE INPUT PCB JP3003 CON11...

  • Page 24: Troubleshooting Guide

    TROUBLESHOOTING GUIDE No work / LED is off Check if power Replace power connection connection isnormal Check if voltage of Replace Power PCB Power PCB CZ2, CZ3 is normal Replace fuse and eliminate short Check if fuse F1 is normal or open situation Check if voltage of J8 Replace Main PCB...
  • Page 25 TROUBLESHOOTING GUIDE No work / LED is red Check if REMOCON Replace REMOCON PCB PCB is normal Check if voltage of U1,U3, Replace U1,U3,U6,U25,U27 U6,U25,U27 is normal Replace Main PCB...
  • Page 26 TROUBLESHOOTING GUIDE No Picture / LED is blue Check the power and Check if voltage of HV Check if backlight is normal control signal of CON2 Replace Main PCB power PCB T1,T2 is normal in main PCB is normal Replace HV power PCB Check if connector Replace CON10 of CON10 is normal...
  • Page 27 TROUBLESHOOTING GUIDE No CVBS/SVIDEO Picture Check if SVIDEO/CVBS Replace Input PCB signal of XP3001 is normal Check if SVIDEO/CVBS Replace connect wire signal of U22 pin25,26, 29,30 is normal Replace Main PCB No HDMI Check if signal of Replace connection CON9 is normal Check if voltage of Replace U12 or U13...
  • Page 28 TROUBLESHOOTING GUIDE No DVD picture Check if voltage of Replace Main PCB J11 pin 12 is normal Check if signal of Replace Decoder PCB CON15 pin 5,7,9 is normal Replace DVD MECHA...
  • Page 29 TROUBLESHOOTING GUIDE No VGA picture Check if signal of CON7 Replace connection pin 1,2,3,12,13,15 is normal Check if volatge of Replace U8 U8 pin 8 is normal Check if signal of U22 pin Replace Main PCB 7,8,33,34,55,56 is normal Check if signal of Replace U22 LVDS is normal Replace Main PCB...
  • Page 30 TROUBLESHOOTING GUIDE No AV1/AV2 audio Check if signal of CON16 Replace connection pin 9,11,13,15 is normal Check if signal of Replace U22 U22 pin 79,80 is normal Check if signal of Replace U32 U32 pin 1,7 is normal Check if signal of U31 Replace U31 pin 1,2,14,15 is normal Replace Speaker...
  • Page 31 TROUBLESHOOTING GUIDE No PC/HDMI audio Check if signal of U22 Replace U22 pin 70,71,75,76 is normal Check if signal of Replace U36 U36 pin 1,7 is normal Check if signal of U31 Replace U31 pin 1,2,14,15 is normal Replace Speaker...
  • Page 32 TROUBLESHOOTING GUIDE No DVD audio Check if signal of CON15 Replace Decoder PCB pin 1,3 is normal Check if signal of Replace U22 U22 pin 79,80 is normal Check if signal of Replace U36 U36 pin 1,7 is normal Check if signal of U31 Replace U31 pin 1,2,14,15 is normal Replace Speaker...
  • Page 33 19HLV87 MECHANICAL EXPLODED VIEW...
  • Page 34 CORD HOLDER AH302157 eb21170p BACK PANEL AH302158 eb21191 SLOT DVD FELT AH302159 eb21200 SLOT DVD AH302259 e22843 19HLV87 OPERATION PCB ASS'Y AH302160 eb21179 FUNCTION BUTTON AH302161 eb21188 FUNCTION BUTTON PVC COVER AH301828 eb43374 SPEAKER BLACKET AH301829 eb43386 SPEAKER BLACKET UNDERLAY...
  • Page 35 RC-LT010(DC-LWB1) REMOTE CONTROL AH301806 es14314 20HLV16S PRODUCT REGISTRATION CARD AH301807 es14315 20HLV16S STOP CARD AH301809 es2701 7# BATTERY AH302201 es15231ss 19HLV87 OWNER MANUAL (English) AH302256 es15231ssa 19HLV87 OWNER MANUAL (French) AH302202 eb44550 OWNER MANUAL BAG AH302203 eb21199 LAMIFILM BAG AH302204 es00437...
  • Page 36 Loc. No. TSB P/N Ref. P/N Description Q'ty AH302045 ea2990 SCREW ST4*14FT AH302040 ea26026 SCREW M4*16 BLACK AH302221 ea2681e SCREW M4*8 PAN BLACK AH301881 ea2768 SCREW ST3*8F AH302222 ea2773b SCREW ST3*8F PAN BLACK AH301880 ea2763 SCREW ST3*8 WASHER AH302041 ea26069 SCREW M3*8 PAN AH301878 ea2730...
  • Page 37 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

Table of Contents