Toshiba 20HLV16S Service Manual Download Page 12

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GENERAL S

PECIFICATIONS

G-11

Featu

res

Auto Shut Off

Yes

(TV)

Auto Search

Yes

Power On Memory

Yes

Comb Filter

Yes
3 -D

Game Position

Yes

Auto Setup(Language/CH Program)

Yes

Picture Setting(TV)

Yes

Mode(Picture Preference)

Yes

Brightness , Contrast , Color

Yes

Tint
Sharpness

Yes

Color Temperature

Yes

Cable Clear

Yes

Picture Setting(PC)

Yes

BRIGHTNESS , CONTRAST

Yes

HOR POSITION , VER POSITION

Yes

PHASE , CLOCK

Yes

AUTO ADJUST

RED , GREEN , BLUE

Yes

Audio

MTS

Yes

Tone Control (Bass/Treble/Balance)

Yes

Stable Sound

Yes

Surround

BBE

SRS WOW (SRS 3D/Focus/Tru Bass)

Variable Audio Out

Tuning

CH Program

Yes

TV/Cable

Yes

ADD/DELETE

Yes

Label

CH Label

Yes

Video Label

Yes

Favorite CH

Yes

V-Chip

Yes

Type

USA Type

RRT Setup

Lock

Hotel Lock

Channel Lock

Yes

Video Lock

Yes

Panel Lock

Yes

OSD Language
Closed Caption

Yes

CC Advanced

Picture Size

Yes

Picture Scroll

Cinema Mode

Yes

Aspect

Yes

Backlight

Yes

PFC(Power Factor circuit)

Freeze frame

PIP/POP

Direct Input Selection

Yes

PC Monitor Input

Yes

VGA (640x480)

Yes (60Hz)

VGA (720x400)

Yes (70Hz)

WVGA (848x480)

Yes (60Hz)

SVGA (800x600)

Yes (60Hz)

XGA (1024x768)

Yes (60Hz)

WXGA (1280x768)

Yes (60Hz)

WXGA (1280x720)

Yes (60Hz)

WXGA (1360x768)

Yes (60Hz)

SXGA (1280x1024)

HDMI Input

Yes

VGA (640x480)

Yes (60Hz)

720x480i (4:3)

Yes (60Hz)

720x480i (16:9)

Yes (60Hz)

720x480p (4:3)

Yes (60Hz)

720x480p (16:9)

Yes (60Hz)

720x576i (4:3)

720x576i (16:9)

720x576p (4:3)

720x576p (16:9)

1280x720p

Yes (60Hz)

1920x1080i

Yes (60Hz)

Component Input

Yes

720x480i (4:3)

Yes (60Hz)

720x480i (16:9)

Yes (60Hz)

720x480p (4:3)

Yes (60Hz)

720x480p (16:9)

Yes (60Hz)

720x576i (4:3)

720x576i (16:9)

720x576p (4:3)

720x576p (16:9)

1280x720p

Yes (60Hz)

1920x1080i

Yes (60Hz)

English French Spanish

-3

Yes

Summary of Contents for 20HLV16S

Page 1: ...9GR 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 REVISED 01 ...

Page 2: ...ement 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 produc...

Page 3: ...quired Marking The rating sheet and the safety caution are on the rear of the unit 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 rep...

Page 4: ...tion 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 a...

Page 5: ...al power company For units intended to operate from battery power or other sources refer to the operating instructions GROUNDING OR POLARIZATION 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...

Page 6: ... 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 Reduce the volume to the minimum level before you turn on the product Otherwise sudden high volume sound may cause hea...

Page 7: ...ICAL CODE ANTENNA DISCHARGE UNIT NEC SECTION 810 20 ANTENNA LEAD IN WIRE GROUNDING CONDUCTORS NEC SECTION 810 21 GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM NEC ART 250 PART H GROUND CLAMP ELECTRIC SERVICE EQUIPMENT NEC NATIONAL ELECTRICAL CODE S2898A ...

Page 8: ...e soldering on the short circuit position after the connection of Pick Up PCB and DVD PCB connector NOTE Fig 1 Before your operation please read PREPARATION OF SERVICING Use the Lead Free solder Manual soldering conditions Soldering temperature 350 5o C 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 ...

Page 9: ... DIAGRAMS F 1 F 2 F 3 F 4 DVD SCALER LVDS ADC JACK AV SWITCH STEREO SOUND AMP REGULATOR F 5 F 6 POWER PRINTED CIRCUIT BOARDS G 1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 MAIN REMOCON INPUT OPERATION HV POWER POWER DVD DECODER DVD OUTPUT SCHEMATIC DIAGRAMS 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 SCALER MAIN HDMI MAIN INTERFACE TUNER MAIN AMP...

Page 10: ... CH Coverage 2 69 4A A 5 A 1 A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 50MHz Preset CH No Stereo Dual TV Sound US Stereo Tuner Sound Muting Yes G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level S N Ratio Weighted Horizontal Resolution at DVD Mode RGB Signal Output Level Audio Signal Input Level 8 0dBm 50k ohm Output Level at DVD at TV Digit...

Page 11: ...e D C 3V UM size x pcs UM 4 x 2 pcs Total Keys 49 Keys Keys Power Yes EJECT Yes SLEEP Yes TV DVD Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 JUMP Yes DISPLAY Yes SUBTITLE Yes AUDIO SELECT Yes INPUT ZOOM Yes MUTE Yes CH Yes CH Yes VOL Yes VOL Yes PLAY MODE Yes DVD MENU Yes UP Yes LEFT FAV Yes ENTER Yes RIGHT FAV Yes DOWN Yes TV MENU SETUP Yes EXIT CANCEL Yes GAME Yes PIC SIZ...

Page 12: ...el Lock Yes Video Lock Yes Panel Lock Yes OSD Language Closed Caption Yes CC Advanced No Picture Size Yes Picture Scroll No Cinema Mode Yes Aspect Yes Backlight Yes PFC Power Factor circuit No Freeze frame No PIP POP No Direct Input Selection Yes PC Monitor Input Yes VGA 640x480 Yes 60Hz VGA 720x400 Yes 70Hz WVGA 848x480 Yes 60Hz SVGA 800x600 Yes 60Hz XGA 1024x768 Yes 60Hz WXGA 1280x768 Yes 60Hz W...

Page 13: ...guage English French w Guarantee Card Yes Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No DC Car Cord Center No Guarantee Card No Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important Safeguard No Dew AHC Caution Sheet No Quick Set up Sheet No Battery Yes UM size x pcs UM 4 x 2 pcs OEM Brand No AC Adapter No AC Cor...

Page 14: ...enna Input F Type Other Terminal Headphone AC Outlet No Side Video Input 2 No Audio Input 2 No PC Monitor Input w Analog Audio L R No Other Terminal No G 14 Set Size Approx W x D x H mm 554 x 233 x 448 w o Handle Stand Approx W x D x H mm 554 x 105 x 402 G 15 Weight Net Approx 10 7kg 23 5 lbs Net w o Handle Stand Approx 9 4kg 20 8 lbs Gross Approx 13 5kg 29 8 lbs G 16 Carton Master Carton No Conte...

Page 15: ...ig 1 2 Stand Hinge Ass y Angle Stand 1 1 HANDLE BACK COVER Refer to Fig 1 1 1 2 3 4 Remove the 4 screws Remove the Handle in the direction of arrow A Unlock the 2 supports Remove the Back Cover in the direction of arrow B Fig 1 1 1 4 HANDLE BRACKET AND MAIN PCB SHIELD Refer to Fig 1 4 1 2 Remove the 9 screws Remove the Handle Bracket and Main PCB Shield in the direction of arrow Fig 1 4 1 1 1 1 2 ...

Page 16: ...8 1 5 MAI N PCB Refer to Fig 1 5 1 2 3 4 Remove the 2 screws Remove the Back Plate B in the direction of arrow A Disconnect the following connectors AH301810 AH301814 AH301815 AH301816 AH301818 AH301819 Remove the 5 screws 5 Remove the Main PCB in the direction of arrow B 1 2 1 2 A B 1 2 2 1 4 Remove the O peration PCB Fix ity in the direction of arrow B 2 1 5 6 Remove the O peration PCB in the di...

Page 17: ...901 Remove the 4 screws Remove the Decoder PCB in the direction of arrow C 1 2 1 3 4 5 6 7 8 9 10 Remove the 2 screws Remove the DVD Mecha in the direction of arrow B Remove the 2 screws Remove the DVD Back Panel in the direction of arrow C Remove the 2 screws Remove the Output PCB in the direction of arrow D Remove the 4 screws Remove the DVD Top Panel in the direction of arrow E 2 3 A C A B DVD ...

Page 18: ...ring the IC leads completely Fig 2 2 Blower type IC desoldering machine IC 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 un...

Page 19: ...eld Wire Refer to Fig 2 7 NOTE Do not absorb the solder to excess Fig 2 7 Soldering Iron IC Braided Shield Wire 4 When bridge soldering between terminals and or the soldering amount are not enough resolder using a Thin tip Soldering Iron Refer to Fig 2 8 Fig 2 8 Thin tip Soldering Iron IC 5 Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnorm...

Page 20: ...s PM25LV040 mean connector of upgrade fixture OK if it clue to Can t Entry ISP Mode please secure connection of Jig firmly then click connect if it clue to Device Type is PM25LV040 Refer to Fig 3 7 Click Read to enter next interface Click Read to select upgrade file bin Refer to Fig 4 9 Unselect Program and Verify click Run Refer to Fig 6 10 If it clue to Blank OK unselect Blank and select Program...

Page 21: ...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 Press SETUP RETURN 1 2 3 button on the remote control Firmware version will be displayed on the top bottom of the screen Turn off the power RE WRITE FOR DVD FIRMWARE 1 2 3 4 5 8...

Page 22: ...enu enter on the remote control in turn to enter Factory mode as FIG 1 Using the UP DOWN LEFT RIGHT button on the remote step through the ADDRESS until required ADDRESS value FFF has been selected as FIG 2 WHEN REPLACING EEPROM MEMORY IC CONFIRMATION OF INITIAL DATA FACTORY MENU SOURCE ADC ADJ COLOR TEMP EEPROM ADDR DATA SAVE OFF ES VERSION 07 03 06 16 57 31 000 FF ANTE01tream HD FIG 2 FACTORY MEN...

Page 23: ...e fixed values of each of the adjustment items are set correctly referring below ANTE01 VIDEO01 VIDEO02 GAME02 COLORS HDMI PC Confirmation of Fixed Value Step No Fig 1 1 Fig 1 2 FACTORY MENU SOURCE ADC ADJ COLOR TEMP EEPROM ADDR DATA SAVE OFF ES VERSION 07 03 06 16 57 31 000 FF ANTE01tream HD SOURCE COLOR TEMP R G B ANTE01tream HD COOL 122 118 133 ANTE01 VIDEO01 VIDEO02 GAME02 COLORS HDMI PC COOL ...

Page 24: ...ter this items Example FIG 2 2 Press up or down to select AUTOTONE items Press right to ADC ADJ automatic adjustment Fig 2 1 Fig 2 2 FACTORY MENU SOURCE ADC ADJ COLOR TEMP EEPROM ADDR DATA SAVE OFF ES VERSION 07 03 06 16 57 31 000 FF COLORStream HD SOURCE R off G off B off R Gain G Gain B Gain AUTOTONE COLORStream HD 127 138 127 63 51 61 Press enter on the remote control to finish the ADC ADJ auto...

Page 25: ...XP6 XP2 XP10 XP12 OPERATION PCB JP1 UN2 JN6 JN4 JN2 JN7 JN5 JN1 1 XP8 XP3 XP4 1 U3 JP1 POWER PCB MIAN PCB INPUT PCB REMOCON PANEL HV POWER PCB U4 U1 U7 U8 U9 U10 U11 U2 SPEAKER OUTPUT PCB XS1 1 XS3 VD9 DECODER PCB 1 XS8 XS2 XS1 1 XS002 DVD MECHA AH301815 AH301810 AH301817 AH301816 AH301813 AH301819 AH301818 AH301814 AH301900 AH301898 AH301899 AH301901 D 4 D 3 ...

Page 26: ...use and eliminate short or open situation Yes Yes Yes Yes No No No No Check ifpow er connection isnormal Replace pow er connection Check iff use F1 is normal Check ifv oltage ofXP3 pin2 is normal Replace Main PCB Replace RMC PCB Check ifv oltage of Pow er PCB CZ3 CZ4 is normal ...

Page 27: ...TROUBLESHOOTING GUIDE E 2 No w ork LED is red Replace N9 or N4 or U8 Yes Yes No No Check ifRMC PCB is normal Replace RMC PCB Replace Main PCB Check ifv oltage of N9 N4 U8 is normal ...

Page 28: ...lue Yes Yes No No Check ifback light is normal Check the pow er and control signal ofXP5 in main PCB is normal Check ifv oltage ofHV pow er PCB U1 U2 is normal Replace HV pow er PCB No Replace Main PCB Yes Replace Main PCB Yes Yes No No Check ifconnector ofXP6 is normal Replace XP6 Replace LCD panel Check ifsignal of LVDS is normal ...

Page 29: ... signal ofU3 is normal Replace connec w ire No Check ifSVIDEO CVBS signal ofU9 pin54 53 is normal No HDMI Replace connection Yes Yes Yes No Check ifsignal of JN2 is normal Replace U35 or U14 No Check ifv oltage of U35 U14 pin8 is normal Replace U9 Yes No Replace Main PCB Check ifsignal of U9 pin 14 15 is normal ...

Page 30: ...TROUBLESHOOTING GUIDE E 5 No DVD picture Replace Main PCB Yes Yes No Replace Main PCB Check ifv oltage of XP7 pin 15 is normal Replace DVD ass y No Check ifsignal of XP7 pin 6 7 8 is normal ...

Page 31: ...n PCB Check ifsignal ofJN4 pin 1 2 3 12 13 15 is normal Replace N9 No Check ifv olatge of U16 pin 8 is normal Yes Replace Main PCB No Check ifsignal of U9 pin 16 28 is normal Yes Replace N9 No Check ifv olatge of U16 pin 8 is normal Replace U9 Yes No Check ifsignal of LVDS is normal ...

Page 32: ... Yes No Replace Speak er Check ifsignal ofXP8 pin 5 7 11 13 is normal Replace U9 No Check ifsignal of U9 pin 85 86 is normal Yes Replace U2 No Check ifsignal of U2 pin 1 7 is normal Yes Replace U1 No Check ifsignal of U1 pin 16 17 20 21 40 41 44 45 is normal Yes ...

Page 33: ...Yes No Replace Speak er Check ifsignal ofU19 pin 3 13 is normal Replace U9 No Check ifsignal of U9 pin 85 86 is normal Yes Replace U2 No Check ifsignal of U2 pin 1 7 is normal Yes Replace U1 No Check ifsignal of U1 pin 16 17 20 21 40 41 44 45 is normal Yes ...

Page 34: ... Yes No Replace Speak er Check ifsignal ofXP7 pin 12 13 is normal Replace U9 No Check ifsignal of U9 pin 85 86 is normal Yes Replace U2 No Check ifsignal of U2 pin 1 7 is normal Yes Replace U1 No Check ifsignal of U1 pin 16 17 20 21 40 41 44 45 is normal Yes ...

Page 35: ...0m 31 36 37 60c 60c 60c 60c 60c 60c 60m 60m 60c 39 38 60j 41 60e 42 40 60e 60e 60e 60f 60k 43 60j 46 60n 60f 60n 60f 49 50 60n 60e 52 47 60e 60f 60n 60f 60n 60n 48 45 44 60e 60e 60n 60e 60e 75d 62 63 75c 75c 75c 64 75c 75c 75c 75c 75c 75c 67 75c 65 75c 75c 75a 75a 66 75b 75b 75a 75a 69 70 71 72 73 74 68 7 60d 60d 28 30 61 11 J 2 J 1 60c 12 60p 60n 60b 60b 60m 60m No 60a 60p are supplied as a TV sc...

Page 36: ...26 LED GLASS 1 21 AH301846 eb44525 REMOCON GLASS 1 22 AH302029 eb44517u BUTTON FRAME A 1 23 AH302030 eb44518u BUTTON FRAME B 1 24 AH301863 eb44544 BADGE BRAND 1 25 AH301835 eb44514d FUNCTION BUTTON A 1 26 AH301836 eb44515d FUNCTION BUTTON B 4 27 AH301837 eb44516d FUNCTION BUTTON C 7 28 AH302031 eb44511u FRONT PANEL 1 29 AH302032 eb44513u ADORN PANEL 1 30 AH301859 eb44539 CUSHION B 2 31 AH302033 eb...

Page 37: ...0DVD MTK ASS Y 1 62 AH301910 eb44142 DB 2600 DECODER PCB COVER 1 63 AH301897 e22494 DHC2600HD DECODER PCB ASS Y 1 64 AH301906 eb44133 DB 2600 TOP PANEL 1 65 AH301907 eb44134 DB 2600 BACK PANEL 1 66 AH301905 eb44132 DB 2600 BOTTOM PANEL 1 67 AH301895 e22471 OUT DB2600 TOSHIBA OUTPUT PCB ASS Y 1 68 AH301915 e22451 260PCB PCB ASS Y 1 69 AH301902 es8242 SL265WR DVD MECHA ASS Y 1 70 AH301903 eb44130 DB...

Page 38: ...LV upgrade tool kit 1 㪪㪘㪝㪜㪫㪰㩷㪧㪩㪜㪚㪘㪬㪫㪠㪦㪥㪫㪿㪼㩷㫇㪸㫉㫋㫊㩷㫀㪻㪼㫅㫋㫀㪽㫀㪼㪻㩷㪹㫐㩷㩷㩷㩷㩷㩷㩷㩷㫄㪸㫉㫂㩷㪸㫉㪼㩷㪺㫉㫀㫋㫀㪺㪸㫃㩷㪽㫆㫉㩷㫊㪸㪽㪼㫋㫐㪅㩷㩷㪩㪼㫇㫃㪸㪺㪼㩷㫆㫅㫃㫐㩷㫎㫀㫋㪿㩷㫇㪸㫉㫋㩷㫅㫌㫄㪹㪼㫉㫊㫇㪼㪺㫀㪽㫀㪼㪻㪅㩷㩷㪫㪿㪼㩷㫄㫆㫌㫅㫋㫀㫅㪾㩷㫇㫆㫊㫀㫋㫀㫆㫅㩷㫆㪽㩷㫉㪼㫇㫃㪸㪺㪼㫄㪼㫅㫋㩷㫀㫊㩷㫋㫆㩷㪹㪼㩷㫀㪻㪼㫅㫋㫀㪺㪸㫃㩷㫎㫀㫋㪿㩷㫆㫉㫀㪾㫀㫅㪸㫃㫊㪅㩷㪫㪿㪼㩷㫊㫌㪹㫊㫋㫀㫋㫌㫋㪼㩷㫉㪼㫇㫃㪸㪺㪼㫄㪼㫅㫋㩷㫇㪸㫉㫋㫊㩷㫎㪿㫀㪺㪿㩷㪻㫆㩷㫅㫆㫋㩷㪿㪸㫍㪼㩷㫋㪿㪼㩷㫊㪸㫄㪼㩷㫊㪸㪽㪼㫋㫐㩷㪺㪿㪸㫉㪸㪺㫋㪼㫉㫀㫊㫋㫀㪺㫊㩷㪸㫊㩷㫊㫇㪼㪺㫀㪽㫀㪼㪻㩷㫀㫅㩷㫋㪿㪼㩷㫇㪸㫉㫋㫊㩷㫃㫀㫊㫋㩷㫄㪸㫐㩷㪺㫉㪼㪸㫋㪼㩷㫊㪿㫆㪺㫂㪃㩷㪽㫀㫉㪼㩷㫆㫉㩷㫆㫋㪿㪼㫉㩷㪿㪸㫑㪸㫉㪻㫊㪅㪢㪈㪄3 ...

Page 39: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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