Toshiba MD24F52 Service Manual Download Page 34 | Manualshive

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ELECTRICAL ADJUSTMENTS

4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)

D-7

TU001

J4201

CP802A

J2202

J2203

J2204

J301

AV PCB

CD802

CD8101

FB401

J4203

CD803

CRT

CP801

CRT PCB

J801

CP802B

CP803B

CD801

OS2202

DVD PCB

DVD DECK

CD2301

CD2001

CP803A

VR404

S3801

S3802

CP3800

CP8002

CP8001

TP401

R423

CP404

TP024

TP023

TP022

CP804

SPEAKER

CD303

CP303

CRT

AC IN

CD3800

CP101

CP2301

CP2303

CP2302

CD4002

CP8101

CRT

CD2302

VR3800

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Summary of Contents for MD24F52

Page 1: ...O 810 200653GR 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 ...

Page 2: ...nt 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 i...

Page 3: ...a ground conductive wrist strap for body Location of the required 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 CAUTION THIS DIGITAL VIDEO PLAYER EMPLOYS A LASER SYSTEM TO ENSURE PROPER USE OF THIS PRODUCT PLEASE READ THIS SERVICE MANUAL CARE FULLY AND RETAIN FOR FUTURE REFERENCE SHOUL...

Page 4: ...nd turn on the TV Insulation resistance between the cord plug terminals and the eternal exposure metal Note 2 should be more than 1M ohm by using the 500V insulation resistance meter Note 1 If the insulation resistance is less than 1M ohm the inspection repair should be required Note 1 If you have not the 500V insulation resistance meter use a Tester Note 2 External exposure metal Antenna terminal...

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: ...A 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 IMPORTANT SAFEGUARDS CONTINUED ...

Page 8: ...o soldering the Laser may be damaged WHEN REPLACING DVD DECK When removing the DVD Deck When installing the DVD Deck Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD MT PCB connector NOTE Fig 1 Before your operation please read PREPARATION OF SERVICING Use the Lead Free solder Manual soldering conditions Soldering temperature 350 5 C Soldering time...

Page 9: ...ELECT and 0 key of a remote control unit The On Screen Display message will appear The Tray Lock has now been cleared 1 2 3 4 5 PARENTAL CONTROL RATING LEVEL 4 DIGIT PASSWORD CANCELLATION If the stored 4 digit password in the Rating Level menu needs to be cancelled please follow the steps below Turn Unit ON Set the DVD Mode Confirm that the No Disc will be appeared on the screen Press and hold the...

Page 10: ...ARDS DVD MT AV CRT LOADING MOTOR SW SCHEMATIC DIAGRAMS MPEG MICON DSP MEMORY MOTOR DRIVE AUDIO VIDEO REGULATOR 1 MICON TUNER CHROMA IF DIGITAL COMB FILTER SOUND AMP IN OUT STEREO DEFLECTION CRT POWER LOADING MOTOR SW INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEWS DVD DECK EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST DVD DECK REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST ...

Page 11: ...tem Tuner and System 1Tuner Receive CH Destination US w CABLE 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 Sign...

Page 12: ...lay Menu Type Icon TV Setup Yes Picture Yes Audio Yes Picture Preference Yes Channel Setup Yes TV CABLE Yes Auto CH Memory Yes Add Delete Yes V chip Setup Yes Language Yes Sleep Timer Yes CH AV LINE DVD Yes Stereo Audio Output Yes Bilingual No SAP Yes Control Volume Yes Level Brightness Contrast Sharpness Color Yes Tint Yes Bass Treble Balance Yes Caption Text Yes Auto Search Position No Game Yes ...

Page 13: ...till Pause Yes Stop Yes Prohibit Mark Yes PBC Yes Step Yes Skip Yes Skip Yes Random Yes CD VIDEO CD JPEG MP3 WMA Repeat Yes Slow Yes Slow No Search Yes Search Yes Jump Yes Resume Yes Title No Yes Chapter No Yes Track No Yes Time Yes Sub Title No Yes Angle No Yes Vocal On Off No Audio No Yes Audio Stereo L R Yes Video CD Zoom Yes Marker No Yes Program Play Back Yes CD VIDEO CD JPEG MP3 WMA Surround...

Page 14: ...es 9 Yes 0 Yes Play Yes Stop Yes Search Yes Search Yes Closed Caption Skip Yes Quick View CH RTN Skip Yes Slow Yes Slow No Pause Still Step Yes DISPLAY Yes TV DVD Yes Cancel Yes Audio Select Yes Angle Yes Subtitle Yes Top Menu Yes Menu Yes DVD Menu Yes Return Yes CH Up Yes CH Down Yes Vol Down Yes Vol Up Yes Up Set Yes Down Set Yes Left Select Yes Right Select Yes Enter Yes Play Mode Yes Input Sel...

Page 15: ...PEG Playback Yes Digital Out Dolby Digital Yes MPEG Yes PCM Yes DTS Yes Down Mix Out Dolby Digital Yes DTS No 3D Surround No Screen Saver No Closed Caption No Audio DAC 192kHz 24bit G 15 Accessories Owner s Manual Language English w Guarantee Card Yes Remote Control Unit Yes Battery Yes UM size x pcs UM 4 x 2 pcs OEM Brand No Rod Antenna No Poles No Terminal Loop Antenna No Terminal U V Mixer No 3...

Page 16: ... Center No VHF UHF Antenna Input F Type G 17 Set Size Approx W x D x H mm 655x472 5x560 G 18 Weight Net Approx 33 0kg Gross Approx 37 0kg G 19 Carton Master Carton No Content Sets Material Dimensions W x D x H mm Description of Origin Gift Box Material Double Brown W Color Photo Label No Dimensions W x D x H mm 766 x 590 x 683 Description of Origin Yes Drop Test Natural Dropping At 1 Corner 2 Edge...

Page 17: ...VD Block in the direction of arrow 1 2 CRT PCB Refer to Fig 1 2 CAUTION BEFORE REMOVING THE ANODE CAP DISCHARGE ELECTRICITY BECAUSE IT CONTAINS HIGH VOLTAGE BEFORE ATTEMPTING TO REMOVE OR REPAIR ANY PCB UNPLUG THE POWER CORD FROM THE AC SOURCE 1 2 3 Remove the Anode Cap Refer to REMOVAL OF ANODE CAP Disconnect the following connector CP801 Remove the CRT PCB in the direction of arrow CRT PCB Front...

Page 18: ...screws 2 Remove the 4 screws 3 Remove the Jack Shield Remove the AV PCB in the direction of arrow Fig 1 6 1 3 2 2 AV PCB Bottom Plate Jack Shield Deck Angle Pick Up PCB 1 DVD Top 1 1 2 A 1 DVD MT PCB 2 DVD Deck B 3 3 3 Short circuit using a soldering iron 3 3 3 3 C NOTE Before your operation please read PREPARATION OF SERVICING Use the Lead Free solder Manual soldering conditions Soldering tempera...

Page 19: ... the Main Frame Ass y Remove the Main Chassis Ass y 1 2 3 4 Fig 2 2 A Tray Main Frame Ass y Fig 2 1 B Insulator R NOTE 1 Do not disassemble the DVD DECK PARTS except listed parts here Minute adjustments are needed if the disassemble is done If the repair is needed except listed parts replace the DVD MECHA ASS Y 1 1 2 Main Frame Ass y Main Chassis Ass y 2 Screw Torque 2 0 0 5kgf cm NOTE 1 2 In case...

Page 20: ...lt Pulley Gear 1 Main Frame Ass y 2 3 LOADING MOTOR PCB ASS Y LOADING BELT Refer to Fig 2 3 A 1 2 3 4 5 Remove the Loading Belt Remove the screw 1 Remove the 2 screws 2 Remove the Loading Motor PCB Ass y Remove the Pulley Gear Fig 2 3 A 2 2 Loading Motor PCB Ass y Screw Torque 2 5 0 3kgf cm Screw 1 Screw Torque 1 0 0 3kgf cm Screw 2 Rack Loading 1 Main Frame Ass y Main Gear Pulley Gear 2 Fig 2 4 A...

Page 21: ... surface for pressing of the insert Feed Motor Motor Gear NOTE 1 2 3 4 When pushing the Rack Feed in the direction of the arrow it should be restored to the original position by the spring force Refer to Fig 2 7 B In case of the Motor Gear installation check if the value of the Fig 2 7 C is correct When installing the wire of the Switch PCB Ass y install it correctly as Fig 2 7 D After the assembl...

Page 22: ...pin FFC When installing the FFC fold it correctly and install it as shown from Fig 2 8 A to Fig 2 8 C 2 8 FFC WIRE HANDLING 1 Do not make the folding lines except the specified positions for the FFC 1 NOTE Fig 2 8 A Proceed the steps 1 through 4 6 pin FFC Fig 2 8 B Printing Surface Reinforcement Plate 55 1mm Fold 1 Printing Surface 10 1mm Fold 3 Printing Surface 60 1mm Fold 4 Printing Surface Prin...

Page 23: ...ip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 3 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 3 1 Fig 3 2 3 After one side is removed pull in the opposite direction to remove the other NOTE DISASSEMBLY INSTRUCTIONS INSTALLATION 1 Clean the spot where the cap was located with a sm...

Page 24: ...ompletely Fig 4 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 4 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 rem...

Page 25: ...eld Wire Refer to Fig 4 7 NOTE Do not absorb the solder to excess Fig 4 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 4 8 Fig 4 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 26: ...ORD Initialization of factory TV data NOTE Do not use this for normal servicing If you set factory initialization the memories are reset such as the channel setting and the POWER ON total hours POWER ON total hours are displayed on the screen Refer to the PREVENTIVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF HOURS USED Can check the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM ME...

Page 27: ... the DATA using VOL UP DOWN button until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 4 to 7 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input After the data input set to the initializing of shipping Turn on the POWER and set to...

Page 28: ...04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 FUNCTION COLNA TNTCA SHRPA SBIASA BRTCD BRTXD BRTND CNTCD CNTXD CNTND COLCD COLXD COLND TNTCD SHRPD SBIASD BRTCG BRTXG BRTNG CNTCG CNTXG CNTNG SBIASG TVM PVM LVL SEPAL SEPAH HFREQ E WDC E WAMP E WTILT CORTOP CORBTM HCOMP HBLKLA HBLKRA NO 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ...

Page 29: ...e control to select E WDC Press the RIGHT LEFT button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes 12 2 2 8 VERTICAL SIZE 1 2 3 4 5 Receive the monoscope pattern Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 07 on the remote control to select VSIZE...

Page 30: ...LEFT button on the remote control to set the same step numbers as the AV Press the GAME button on the remote control to set to the GAME mode Activate the adjustment mode display of Fig 1 1 and press the channel button 54 on the remote control to select BRTCG Press the RIGHT LEFT button on the remote control to set the same step numbers as the AV 2 12 SEPARATION L H 1 2 3 4 5 6 7 8 9 Set the multi ...

Page 31: ... 4 Press the TV DVD button on the remote control to set to the DVD mode Activate the adjustment mode display of Fig 1 1 and press the channel button 48 on the remote control to select COLCD Press the RIGHT LEFT button on the remote control until the color step No becomes 37 2 16 TINT 1 2 3 4 5 6 7 8 9 10 11 12 13 Receive the color bar pattern RF Input Using the remote control set the brightness co...

Page 32: ...te control to set to the DVD mode Activate the adjustment mode display of Fig 1 1 and press the channel button 46 on the remote control to select CNTXD Press the RIGHT LEFT button on the remote control to set the same step numbers as the AV Press the GAME button on the remote control to set to the GAME mode Activate the adjustment mode display of Fig 1 1 and press the channel button 58 on the remo...

Page 33: ...s between the deflection yoke and CRT funnel to fix the deflection yoke Refer to Fig 3 2 b R G B R G B Fig 3 2 a WEDGE WEDGE WEDGE WEDGE POSITION Fig 3 2 b R G B R G B Receive the crosshatch pattern from the color bar generator Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magenta and green by adjusting t...

Page 34: ...2203 J2204 J301 AV PCB CD802 CD8101 FB401 J4203 CD803 CRT CP801 CRT PCB J801 CP802B CP803B CD801 OS2202 DVD PCB DVD DECK CD2301 CD2001 CP803A VR404 S3801 S3802 CP3800 CP8002 CP8001 TP401 R423 CP404 TP024 TP023 TP022 CP804 SPEAKER CD303 CP303 CRT AC IN CD3800 CP101 CP2301 CP2303 CP2302 CD4002 CP8101 CRT CD2302 VR3800 ...

Page 35: ... 121 118 118 MECHANICAL EXPLODED VIEW I1 1 101A 101L 101F 101G 101E 101D 101C 208 208 101I 101H 101K 101K 101K 208 101 120 119 209 209 209 209 101B 101J 207 209 A 117 209 124 209 124 102A 116 202 202 202 202 102B 102 102B 202 202 102B 206 206 114 ...

Page 36: ...06 206 206 206 104 206 205 205 205 205 105 122 PCBD20 AV PCB ASS Y 107 206 115 210 210 110 110 206 206 206 206 111 206 115 206 115 113 206 206 206 206 109 206 206 206 206 203 A MECHANICAL EXPLODED VIEW I1 2 112 PCB130 DVD MT PCB ASS Y 123 123 125 ...

Page 37: ...128 129 126 127 131 132 133 134 BL001 TM101 127 128 136 136 MECHANICAL EXPLODED VIEW PACKING DIAGRAM I1 3 135 130 ...

Page 38: ...04 612 614 615 613 602 609 611 AA AA AA AA AA AA AA AA AA AA AA Do not replace the parts Because minute adjustments are needed if this condition is disassembled further more If the repair is needed replace the DVD MECHA ASS Y SW2 PCB640 SW PCB ASS Y CD2001 CD2301 M2602 603 601 605 605 606 702 705 703 SW1 PCB610 LOADING MOTOR PCB ASS Y CD2302 701 607 604 705 617 616 618 Cannot supply by a unit 619 ...

Page 39: ...684 762WPA0011 HOLDER CRT WIRE 119 72799873 752WSAA084 ANGLE FRONT 120 75002965 761WPA0317 HOLDER PLATE BOTTOM 121 72799963 769WSAA008 WASHER CRT T 0 5 122 72794734 899HV3T000 HOLDER ANODE WIRE 123 72781938 800WB0A008 FIBER WASHER 124 72781202 800WF0A007 CUSHION 125 72781978 8965TS1017 CUSHION 65TS10 10 17 5 20 14 126 72794741 791WHAA116 FILM BAG 127 75002966 792WHA0533 PACKAGE TOP 128 75002967 79...

Page 40: ...P100092A TRAY 616 72798836 92P100089A RACK FEED 1 617 72798837 92P100090A RACK FEED 2 618 72798849 92P300020A SPRING RACK FEED 619 72795888 800WFAA008 CUSHION C 701 72795782 811022680U SCREW TAP TITE P BIND 2 6 8 CH 702 72795783 814011723U SCREW PAN M1 7 2 3 P3 CH 703 72795784 816112080U SEMS TAP TITE P PAN W10 2 8 CH 704 72795785 814011730U SCREW PAN M1 7 3 P3 CH 705 72796070 811022080U SCREW TAP...

Page 41: ...2794380 E02LU4101M CE 100 UF 35V C412 72795564 P4J7F3434J CMPP 0 43 UF 250V PMS C417 72797681 P3N1F5333J CPP 0 033 UF 630V C418 72797719 P4N8FK133H CMPP 0 013 UF 1 5KV C429 72795097 E5EZU4101M CE 100 UF 35V C430 72794381 E5EZF3222M CE 2200 UF 25V C434 72795831 E5EZF4102M CE 1000 UF 35V C435 72797509 E62DFD100M CE 10 UF 250V C446 72794394 E5EZFD220M CE 22 UF 250V C449 72794399 C0PLRR713K CC 0 001 U...

Page 42: ...0 DIODE SILICON 1SS133T 77 D3813 72794465 D97U03301B DIODE ZENER MTZJ33B T 77 D3814 72795626 D2WXN40050 DIODE SILICON 1N4005 EIC D3815 72795626 D2WXN40050 DIODE SILICON 1N4005 EIC D3816 72795626 D2WXN40050 DIODE SILICON 1N4005 EIC D3817 72795892 D28F31DQ06 DIODE SILICON 31DQ06 FC D3818 72794483 D2WXN49370 DIODE SILICON 1N4937 D3819 72794480 D28T21DQN9 DIODE SCHOTTKY 21DQ09N TA2B1 D3820 72794480 D2...

Page 43: ...2794571 TCAA3875SY TRANSISTOR SILICON KTC3875S_Y_RTK Q1503 72794571 TCAA3875SY TRANSISTOR SILICON KTC3875S_Y_RTK Q2201 72794567 TNAAC05002 COMPOUND TRANSISTOR KRC103SRTK Q2301 72795964 T67J1036K0 TRANSISTOR SILICON 2SA1036KT146 Q2302 72795965 T67J048TL0 TRANSISTOR SILICON 2SA2048TL Q2303 72795479 T8RA030520 TRANSISTOR SILICON 2SC3052 T1 Q2304 72795479 T8RA030520 TRANSISTOR SILICON 2SC3052 T1 Q2305...

Page 44: ...2955 A5W401F110 CRT PCB ASS Y CCE013A PCB130 75002956 A5W401F130 DVD MT PCB ASS Y DME060A PCBD20 75002957 A5W401FD20 AV PCB ASS Y CME013A MISCELLANEOUS B401 72794357 024HT03553 CORE BEADS W5RH3 5X5X1 0 B403 72794357 024HT03553 CORE BEADS W5RH3 5X5X1 0 B601 72794357 024HT03553 CORE BEADS W5RH3 5X5X1 0 B1501 72794357 024HT03553 CORE BEADS W5RH3 5X5X1 0 B2301 72795787 0246C51024 CORE BEADS MMZ1608R10...

Page 45: ...03B 72796751 067U005049 WIRE HOLDER B2013H02 5P CP8101 72799040 069J7C0589 CONNECTOR PCB SIDE IMSA 9604S 12F ELD201 72797069 124116281A EYE LET XRY16X28BD ELD202 72797070 124120301A EYE LET XRY20X30BD F3800 72796948 081PC05005 FUSE 51MS050L FB401 72796671 043224007F TRANSFORMER FLYBACK FSU24A001_M FH3800 72794496 06710T0009 HOLDER FUSE EYF 52BCY FH3801 72794496 06710T0009 HOLDER FUSE EYF 52BCY OS2...

Page 46: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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