Toshiba 19HLV87 Schematic

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).

For (*1) and (*2), see the next page.

DOCUMENT CREATED IN JAPAN, Feburuary, 2007 GREEN

(*1) GREEN PRODUCT PROCUREMENT

The EC is actively promoting the WEEE & RoHS Directives that define standards for recycling and reuse of Waste Electrical and Electronic Equipment and for the Restriction of the use of certain 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. In line with this, Toshiba proactively promotes Green Procurement, and seeks to purchase and use products, parts and materials that have low environmental impacts.

Green procurement of parts is not only confined to manufacture. The same green parts used in manufacture must also be used as replacement parts.

(*2) LEAD-FREE SOLDER

This product is manufactured using lead-free solder as a part of a movement within the consumer products industry at large to be environmentally responsible. Lead-free solder must be used in the servicing and repair of this product.

WARNING

This product is manufactured using lead free solder .

DO NOT USE LEAD BASED SOLDER TO REPAIR THIS PRODUCT !

The melting temperature of lead-free solder is higher than that of leaded solder by 86°F to 104°F (30°C to 40°C). Use of a soldering iron designed for lead-based solders to repair product made with lead-free solder may result in damage to the component and or PCB being soldered. Great care should be made to ensure high-quality soldering when servicing this product  especially when soldering large components, through-hole pins, and on PCBs  as the level of heat required to melt lead-free solder is high.

CAUTION

THIS

LCD COLOR TELEVISION

TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CAREFULLY 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.

TO PREVENT DIRECT EXPOSURE TO LASER BEAM, DO NOT TRY TO OPEN THE ENCLOSURE. VISIBLE LASER RADIATION MAY BE PRESENT WHEN THE ENCLOSURE IS OPENED. DO NOT STARE INTO BEAM.

Location of the required Marking

The rating sheet and the safety caution are on the rear of the unit.

EMPLOYS A LASER SYSTEM.

CERTIFICATION: COMPLIES WITH FDA RADIATION PERFORMANCE STANDARDS, 21 CFR SUBCHAPTER J.

PREPARATION OF SERVICING

The laser diode used for a pickup head may be destroyed with external static electricity. Moreover, even if it is operating normally after repair, when static electricity discharge is received at the time of repair, the life of the product may be shortened. Please perform the following measure against static electricity, be careful of destruction of a laser diode at the time of repair.

• Place the unit on a workstation equipped to protect against static electricity, such as conductive mat.

• Soldering iron with ground wire or ceramic type is used.

• A worker needs to use a ground conductive wrist strap for body.

A1-1

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.

A leakage current check is recommended for this unit. Plug the AC line cord directly into a 120V 60Hz AC outlet (do not use an isolation transformer for this check). Use a leakage current tester (Fig. 1) or a metering system which complies with Underwriters Laboratories (UL 1492P). Measure for current from all exposed metal parts of the cabinet to a known earth ground: particularly, any exposed metal part having a return path to the chassis. Any current measured must not exceed 0.5mA. Any measurement not within the limits outlined above are indicative of a potential shock hazard and corrective action must be taken before returning the unit to the customer.

(Reading should not be above 0.5mA) Leakage Current Tester

PRODUCT UNDER TEST

1.5K ohm

0.15 µF

2-Blade polarized type cord set

Test all exposed metal surfaces

TEST PROBE

Fig. 1 AC Leakage Test

KNOWN EARTH GROUND

A1-2

IMPORTANT SAFEGUARDS

READ INSTRUCTIONS

All the safety and operating instructions should be read before the unit is operated.

RET AIN 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.

CLEANING

Unplug this unit from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.

A TTACHMENTS

Do not use attachments not recommended by the unit’s manufacturer as they may cause hazards.

WATER AND MOISTURE

Do not use this unit near water. For example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool.

ACCESSORIES

Do not place this unit on an unstable cart, stand, tripod, bracket, or table. The unit may fall, causing serious injury, and serious damage to the unit. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer.

8A.

An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the appliance and cart combination to overturn.

VENTILATION

Slots and openings in the cabinet and in the back or bottom are provided for ventilation, to ensure reliable operation of the unit, and to protect it from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing the unit on a bed, sofa, rug, or other similar surface. This unit should never be placed near or over a radiator or heat source. This unit should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instructions have been adhered to.

10.

POWER SOURCES

This unit should be operated only from the type of power source indicated on the rating plate. If you are not sure of the type of power supply to your home, consult your appliance dealer or local power company. For units intended to operate from battery power, or other sources, refer to the operating instructions.

11.

GROUNDING OR POLARIZA TION

This unit is equipped with a polarized alternating-current line plug (a plug having one blade wider than the other). This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. If your unit is equipped with a 3-wire grounding-type plug, a plug having a third (grounding) pin, this plug will only fit into a grounding-type power outlet. This too, is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding-type plug.

12.

POWER-CORD PROTECTION

Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance.

13.

LIGHTNING

To protect your unit from a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the unit due to lightning and power line surges.

14.

POWER LINES

An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits, as contact with them might be fatal.

15.

OVERLOADING

Do not overload wall outlets and extension cords, as this can result in a risk of fire or electric shock.

16.

OBJECT AND LIQUID ENTRY

Do not push objects through any openings in this unit, as they may touch dangerous voltage points or short out parts that could result in fire or electric shock. Never spill or spray any type of liquid into the unit.

PORTABLE CART WARNING

(symbol provided by RETAC)

S3126A

A1-3

IMPORTANT SAFEGUARDS (CONTINUED)

OUTDOOR ANTENNA GROUNDING

17.

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.

SERVICING

18.

Do not attempt to service this unit yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.

DAMAGE REQUIRING SERVICE

19.

Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following conditions:

When the power-supply cord or plug is damaged.

If liquid has been spilled, or objects have fallen into the unit.

If the unit has been exposed to rain or water.

If the unit does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions, as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the unit to its normal operation.

If the unit has been dropped or the cabinet has been damaged.

When the unit exhibits a distinct change in performance, this indicates a need for service.

REPLACEMENT PARTS

20.

When replacement parts are required, be sure the service technician uses replacement parts specified by the manufacturer or those that have the same characteristics as the original parts. Unauthorized substitutions may result in fire, electric shock or other hazards.

SAFETY CHECK

21.

Upon completion of any service or repairs to this unit, ask the service technician to perform safety checks to determine that the unit is in proper operating condition.

WALL OR CEILING MOUNTING

22.

The product should be mounted to a wall or ceiling only as recommended by the manufacturer.

HEAT

23.

The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.

DISC TRAY

24.

Keep your fingers well clear of the disc tray as it is closing. It may cause serious personal injury.

CONNECTING

25.

When you connect the product to other equipment, turn off the power and unplug all of the equipment from the wall outlet. Failure to do so may cause an electric shock and serious personal injury. Read the owner's manual of the other equipment carefully and follow the instructions when making any connections.

SOUND VOLUME

26.

Reduce the volume to the minimum level before you turn on the product. Otherwise, sudden high volume sound may cause hearing or speaker damage.

SOUND DISTORTION

27.

Do not allow the product output distorted sound for a longtime. It may cause speaker overheating and fire.

HEADPHONES

28.

When you use the headphones, keep the volume at a moderate level. If you use the headphones continuously with high volume sound, it may cause hearing damage.

LASER BEAM

29.

Do not look into the opening of the disc tray or ventilation opening of the product to see the source of the laser beam. It may cause sight damage.

DISC

30.

Do not use a cracked, deformed, or repaired disc. These discs are easily broken and may cause serious personal injury and product malfunction.

NOTE TO CATV SYSTEM INSTALLER

31.

This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the NEC that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.

A1-4

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

NEC-NATIONAL ELECTRICAL CODE

S2898A

POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250, PART H)

A1-5

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.

NOTE

Before your operation, please read "PREPARATION OF SERVICING" . Use the Lead Free solder. Manual soldering conditions Soldering temperature: 350+5 Soldering time: Within 2 seconds Soldering combination: Sn-3.0Ag-0.5Cu When Soldering/Removing of solder, use the draw in equipment over the Pick Up Unit to keep the Flux smoke away from it.

Pick Up PCB

Fig. 1

Short circuit using a soldering iron.

A1-6

TABLE OF CONTENTS

CAUTION .....................................................................................................................

IMPORTANT SERVICE SAFETY INFORMATION .....................................................

IMPORTANT SAFEGUARDS .....................................................................................

WHEN REPLACING DVD DECK ................................................................................

TABLE OF CONTENTS ..............................................................................................

GENERAL SPECIFICATIONS ....................................................................................

DISASSEMBLY INSTRUCTIONS

1.REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS ................................

2.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ..................................

ISP INSTRUCTION .....................................................................................................

RE-WRITE FOR DVD FIRMWARE .............................................................................

WHEN REPLACING EEPROM (MEMORY) IC ...........................................................

ELECTRICAL ADJUSTMENTS ..................................................................................

TROUBLESHOOTING GUIDE ....................................................................................

BLOCK DIAGRAMS

DVD ..........................................................................................................................

SCALER/LVDS/ADC/JACK/AV SWITCH/STEREO SOUND AMP REGULATOR ...

POWER ....................................................................................................................

PRINTED CIRCUIT BOARDS

MAIN ........................................................................................................................

REMOCON/INPUT/OPERATION ............................................................................

DVD DECODER ......................................................................................................

SCHEMATIC DIAGRAMS

MSD116L (MAIN) ....................................................................................................

MSD116L POWER (MAIN) ......................................................................................

SYS POWER (MAIN) ...............................................................................................

MCU & RTC (MAIN) .................................................................................................

DEMODULATOR (MAIN) ..........................................................................................

SDRAM (MAIN) .......................................................................................................

AUDIO (MAIN) ..........................................................................................................

TUNER (MAIN) .........................................................................................................

AV INPUT& OUTPUT (MAIN) ..................................................................................

YPBPR & VGA (MAIN) .............................................................................................

HDMI (MAIN) ............................................................................................................

EXT-MODULE CON (MAIN) .....................................................................................

VADDIS & SDRAM FLASH (DVD DECODER) .........................................................

POWER SUPPLY (DVD DECODER) .......................................................................

AV INPUT & OUTPUT (DVD DECODER) ................................................................

FE REGULATOR (DVD DECODER) ........................................................................

INTERCONNECTION DIAGRAM ................................................................................

WAVEFORMS .............................................................................................................

MECHANICAL EXPLODED VIEWS ...........................................................................

MECHANICAL REPLACEMENT PARTS LIST ..........................................................

A1-1 A1-2 A1-3~A1-5 A1-6 A2-1 A3-1~A3-5

B1-1,B1-2 B2-1, B2-2 C1 C-2 C-3 D-1~D-4 E-1~E-9

F-1, F-2 F-3, F-4 F-5, F-6

G-1, G-2 G-3~G-4 G-5, G-6

H-1, H-2 H-3, H-4 H-5, H-6 H-7, H-8 H-9, H-10 H-11, H-12 H-13, H-14 H-15, H-16 H-17, H-18 H-19, H-20 H-21, H-22 H-23, H-24 H-25, H-26 H-27, H-28 H-29, H-30 H-31, H-32 H-33, H-34 I-1~I-3 J1-1~J1-2 K1-1, K1-2

A2-1

GENERAL SPECIFICATIONS

Scaler IC Video Decoder IC

20WLCD/DVD

19HLV87

LCD Panel Maker PDP Panel Screen Size

Aspect Resolution Brightness Contrast Viewing Angle (CR?10) Vertical

Horizontal

Response Time (Tr?Tf)

(Gray to Gray) Tuning Terrestrial Analog System Color system NTSC

PAL

SECAM

Terrestrial Digital BS/CS Digital CATV CATV pass through

Stereo(& Bilingual) System Terminals Analog Tuner Antenna Yes (Rear) (Input) Digital Tuner Antenna Yes (Rear)

AV1 in (Video) RCA

S-Video

(Audio) RCA×2

AV2 in (Video) RCA Yes (Side)

S-Video No

(Audio) RCA×2 Yes (Side)

AV3 in (Video) RCA

S-Video

(Audio) RCA×2

Yes (VHF/UHF/CABLE)

SAMSONG

19inch

1440(H) x 900(V)

300cd/?

700 : 1

135° 150°

8ms

NTSC-M

No No

Yes(ATSC/QAM)

Yes

US-Stereo

Yes (Rear)

Scart1 Input

Output

Scart2 Input

Output

Scart3 Input

Output

Component1 in RCA×3

Component1 in Audio RCA×2

Component2 in RCA×3

Component2 in Audio RCA×2

PC in Dsub15

PC in Audio 㩷㩷㩷RCA×2

A3-1

Yes (Rear)

Yes (Side)

GENERAL SPECIFICATIONS

Scaler IC

Video Decoder IC

20WLCD/DVD

19HLV87

HDMI1 in

DVI in Audio RCA×2

HDMI2 in

DVI in Audio Mini Jack

DVI

FM Radio Antenna

Card Slot (4in1)

Cable Card Slot

USB Tarminal

IR Pass-Through

IR Blaster

Network Tarminal

i-Link Tarminal

AC Inlet Terminals Video Out RCA No (Output) Audio Out RCA×2 No

Sub Woofer Out No

Digital Audio Out Coaxial No

Optical Yes

Headphone Yes (Rear) Feature Comb Filter (Video) Motion Adaptive De-interlacing

CTI/LTI

Color Temperature (Cool/Warm䊶䊶䊶)

Picture Mode (Sports/Movie/䊶䊶䊶)

Picture Size

Picture Scroll No

Auto Aspect

Cinema Mode (Film Mode)

Component HD (HD Ready)

HDMI/DVI

GCR

Contrast?Enhancer

DNR (Cable Clear)

Individual Video Setting

EPG

PIP/POP

Multi Window

Freeze frame

OPC Feature Speaker Output (Audio) Speaker No.

Tweeter Speaker

Woofer Speaker

Virtual Dolby Surround

SRS WOW

BBE

Audio AGC

Yes (Rear)

No No No No No No No No No

Yes

3D Yes Yes Yes Yes

Yes (3Mode)

Yes Yes Yes

Yes (HDMI)

No Yes Yes

2.5W+2.5W

No Yes

A3-2

GENERAL SPECIFICATIONS

Scaler IC Video Decoder IC

20WLCD/DVD

19HLV87

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)

IEEE1394

TV Guide (EPG)

IR Blaster

Digital Audio Out Dolby Digital

MPEG PCM DTS

Power Power Source

Power Consumption

Energy Star (Stand By power consumption) Yes (1.0W) OSD Menu Type (TV)

OSD Language

English/French/Spanish German/Italian Portuguese/Dutch/Hungarian Sw?dish/Norway/Finnish/Danish Turkish/Greek Russian Polish/Bulgarian Serbian/Croatian/Slovenian Czech/Slovak/Rumanian Malay/Vietnam/Thai

Other T'Text Interface Switch Main Power

Power Channel Up Channel Down Volume Up Volume Down Input Select Menu Play Stop Eject

Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

No No No No No No No No No

120V AC 60Hz

TBD

Icon

3 Languages

Yes

No No No No No No No No No No

Yes

Yes Yes (*2) Yes (*3) Yes (*4) Yes (*5)

Yes

A3-3

GENERAL SPECIFICATIONS

Scaler IC Video Decoder IC

Skip+, Search+ Skip-, Search-

Indicator Power

Stand-by Power/Stand-by Sleep Timer No

On Timer No Set Size Set Size W x D x H (mm) Weight (w/o Stand,Handle) W x D x H (mm) Material Carton Dimensions W x D x H (mm)

Weight (Net) Weight (Gross) Container Stuffing S-Con

L-Con

Design Type Cabinet Material Handle Stand Tilt

Swivel PC Input Monitor Display Mode 640×350

VGA 640×480

720×400

SVGA 800×600

832×624

XGA 1024×768

1152×864

848×480

WXGA 1280×720 WXGA 1280×768 WXGA 1360×768

Quad-VGA 1280×960

SXGA 1280×1024 Auto Adjust Plug & Play Power Management

HDMI Input Support Format 640×480 Component Input 720×480i (4:3)

720×480i (16:9) 720×480p (4:3) 720×480p (16:9) 720×576i (4:3) 720×576i (16:9) 720×576p (4:3) 720×576p (16:9) 1280×720p

1920×1080i DVD Menu Type (DVD) Feature Color System

20WLCD/DVD

19HLV87

Yes(Red)

Yes(Green/Red)

TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD

No 60 Hz 70 Hz 60 Hz

No 60 Hz

No 60 Hz 60 Hz

No 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz

No 60 Hz

60 Hz

Character

NTSC

A3-4

GENERAL SPECIFICATIONS

Scaler IC Video Decoder IC

20WLCD/DVD

19HLV87

Playable Disc

MP3 Playback WMA Playback JPEG Playback Video CD Playback SVCD Playback Divx Playback Digital Out Dolby Digital

MPEG PCM DTS

Down Mix Out Dolby Digital

DTS Audio DAC Resume Stop Repeat Play Back Program Play Back Random Play Back Search Speed 4 step x2/8/50/120 Slow Speed 4 step 1/7,1/6,1/4,1/2 Zoom 3 step x1.33/1.5/2

DVD, CD-DA

CD-R/RW

*DVD-R/RW

*(Video Format Only)

Yes Yes Yes Yes

No Yes Yes Yes Yes Yes Yes

192kHz / 24bit

Yes Yes Yes Yes

A3-5

DISASSEMBLY INSTRUCTIONS

1. REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS

1-1: BACK COVER (Refer to Fig. 1-1)

1.2.Unlock the 2 supports . Remove the Back Cover in the direction of arrow.

1-2: HINGE ASS'Y (Refer to Fig. 1-2)

Remove the 4 screws .

Remove the Stand in the direction of arrow (A).

Remove the 4 screws .

Remove the Angle Stand in the direction of arrow (B).

Remove the 4 screws .

Remove the Hinge Ass'y in the direction of arrow (C).

Back Cover

Fig. 1-1

1-4: HANDLE BRACKET (Refer to Fig. 1-4)

1.2.Remove the 4 screws. Remove the Handle bracket in the direction of arrow.

Handle bracket

Fig. 1-4

1-5: DECODER PCB AND DVD ASS’Y(Refer to Fig. 1-5).

Disconnect the following connector: (AH302210, AH302211,AH302213,AH302217,AH302218).

Decoder PCB

(A)

Remove the 4 screws

Remove the Decoder PCB in the direction of arrow (A).

Remove the 4 screws

Remove the DVD ass’y in the direction of arrow (B).

Stand

(C)

(A)

(B)

Hinge Ass'y

1-3: BACK PANEL (Refer to Fig. 1-3)

Remove the 9 screws.

Disconnect the following connector: (AH302209).

Remove the Back panel in the direction of arrow.

Cord holder

Back Panel

Angle Stand

Fig. 1-2

Pick Up PCB

(B)

DVD Ass’y

Short circuit using a

Fig. 1-5

1-6: BACK PLATE B AND BACK PLATE C AND MAIN PCB (Refer to Fig. 1-6)

Remove the 8 screws .

Remove the Back plate B and Back plate C in the

direction of arrow (A).

Disconnect the following connector: (AH302208, AH302209,AH302212,AH302213,AH302214).

(B)

Back plate C

Back plate B

(A)

Remove the 4 screws

Remove the Main PCB in the direction of arrow (B).

Main PCB

Fig. 1-3

Fig. 1-6

B1-1

DISASSEMBLY INSTRUCTIONS

1-7: POWER PCB / INPUT PCB (Refer to Fig. 1-7)

1.2.Remove the 4 screws .

Disconnect the following connector: (AH302215)

Remove the Power PCB in the direction of arrow (A).

Remove the 5 screws .

Remove the Back Plate A in the direction of arrow (B).

Remove the 4 screws .

Remove the Input PCB in the direction of arrow (C).

Power PCB

(A)

(C)

(B)

Input PCB

Back plate A

1-8: LCD COVER / LCD PANEL / HV PCB (Refer to Fig. 1-8)

Remove the 4 screws .

Remove the LCD underlay in the direction of arrow (A).

Remove the 12 screws .

Remove the 4 screws .

Remove the LCD Cover in the direction of arrow (B).

Disconnect the connector between LCD panel and

HV PCB.

Remove the LCD Panel in the direction of arrow (C).

Remove the 4 screws .

Remove the HV PCB in the direction of arrow (D).

1-9: REMOCON PCB / OPERATION PCB (Refer to Fig. 1-9)

1.2.Remove the 3 screws. Remove the Operation PCB and Function button in the direction of arrow.

Function button

Operation PCB

Fig. 1-7

Fig. 1-9

LCD cover

LCD panel

Adorn Panel

Front Panel

(B)

(C)

(E)

(A)

LCD underlay

(D)

HV PCB

Hinge cover

Remocon PCB

Fig. 1-8

B1-2

DISASSEMBLY INSTRUCTIONS

2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC

REMOVAL

1. Put the Masking Tape (cotton tape) around the Flat

Package IC to protect other parts from any damage.

(Refer to Fig. 2-1.) NOTE

Masking is carried out on all the parts located within 10 mm distance from IC leads.

Masking Tape (Cotton Tape)

2. Heat the IC leads using a blower type IC desoldering

machine. (Refer to Fig. 2-2.)

NOTE

Do not add the rotating and the back and forth directions force on the IC, until IC can move back and forth easily after desoldering the IC leads completely.

Fig. 2-1

Blower type IC desoldering machine

3. When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 2-3.)

NOTE

Some ICs on the PCB are affixed with glue, so be careful not to break or damage the foil of each IC leads or solder lands under the IC when removing it.

Blower type IC desoldering machine

Tweezers

4.5.Peel off the Masking Tape. Absorb the solder left on the pattern using the Braided Shield Wire. (Refer to Fig. 2-4.)

NOTE

Do not move the Braided Shield Wire in the vertical direction towards the IC pattern.

Fig. 2-3

Braided Shield Wire

Soldering Iron

Fig. 2-2

IC pattern

Fig. 2-4

B2-1

DISASSEMBLY INSTRUCTIONS

INSTALLATION

1. Take care of the polarity of new IC and then install the new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

(Refer to Fig. 2-5.)

Soldering Iron

Solder temporarily

Fig. 2-5

2. Supply the solder from the upper position of IC leads sliding to the lower position of the IC leads. (Refer to Fig. 2-6.)

4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thintip Soldering Iron. (Refer to Fig. 2-8.)

Thin-tip Soldering Iron

Fig. 2-8

5. Finally, confirm the soldering status on four sides of the IC using a magnifying glass. Confirm that no abnormality is found on the soldering position and installation position of the parts around the IC. If some abnormality is found, correct by resoldering.

NOTE

When the IC leads are bent during soldering and/or repairing, do not repair the bending of leads. If the bending of leads are repaired, the pattern may be damaged. So, be always sure to replace the IC in this case.

Solder

Supply soldering from upper position to lower position

Soldering Iron

Fig. 2-6

3. Absorb the solder left on the lead using the Braided

Shield Wire. (Refer to Fig. 2-7.)

NOTE

Do not absorb the solder to excess.

Soldering Iron

Braided Shield Wire

Fig. 2-7

B2-2

RE-WRITE FOR DVD FIRMWARE

Turn on the power, and set the DVD mode.

Confirm that the "OPEN" will be appeared on the screen.

Insert the Up-Date Disc. Automatic read will start and "Loading... Firmware upgrade Erase and program start cancel" will be displayed on the screen.

Select "start" then press ENTER button on the remocon to start upgrade.

NOTE: Do not turn off the unit on the way or operate the keys on the unit and remocon. Up-Date error will happen and can not be done with the Up-Date of Up-Date Disc.

After the Up-Date, Logo screen will appear.

Unplug the AC cord, then plug it in.

CHECK FOR THE FIRMWARE VERSION

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.

10.

Toshiba TV combo 2007/01/15 R1

Turn off the power

11.

2007/01/15 R1

Region code

Release date (Example: 2007.1.15)

When the changed version displays, the Re-write will be completed.

C-2

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. USERDATA RESET EEPROM RESET

ExtMcu Version T24:60:00 01/20/06 SW Version V1.0 Jan 23 2007

FIG. 1

Using the UP/DOWN button on the remote to select "EEPROM RESET", press "right" to beging reset as FIG 2.

Factory Menu SOURCE-SELECTION

ADC ADJ

COLORTEMP ADJ. USERDATA RESET EEPROM RESET

DTV

RESET NOW

ExtMcu Version T24:60:00 01/20/06 SW Version V1.0 Jan 23 2007

FIG. 2

Unplug the AC cord, then plug it in.

5. Turn POWER on.

6. The STARTING SETUP feature appears. Setup your TV/DVD by the owner manual.

C-3

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 V1.0 Jan 23 2007

Fig. 1-1

Press "left" or "right" to select "DTV", "VIDEO1", "VIDEO2", "DVD", "Color Stream HD", "HDMI", "PC" items, Press "up" or "down" to select each items, and Press "left" or "right" to enter each items. Example: FIG 1-2.

COLOR TEMP ADJ. COLOR TEMP ADJ. COLOR TEMP R COLOR TEMP G COLOR TEMP B

DTV

COOL 022 023 036

Fig. 1-2

Press "left" or "right" to select "COOL", "MEDIUM", "WARM" items, Press "up" or "down" to adjustment each items. Press "MENU" on the remote control to return Factory mode.

Press "EXIT" on the remote control to exit Factory mode.

Confirmation of Fixed Value (Step No.)

Please check if the fixed values of each of the adjustment items are set correctly referring below.

(DTV/VIDEO1/VIDEO2/DVD/COLOR STREAM HD/HDMI/PC)

FUNCTION

COOL

MEDIUM

WARM

DTV VIDEO1 VIDEO2 DVD Color Stream HD HDMI PC

Step No.

022

023

036

028

036

031

028

036

022

023

036

028

036

031

028

036

022

023

036

028

036

031

028

036

022

023

036

028

036

031

028

036

025

026

036

028

036

032

030

036

025

026

036

028

036

032

030

036

017

019

027

022

024

030

028

027

D-1

+ 48 hidden pages