Toshiba 15SLDT3R Service Manual Download Page 85

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9. After the firmware update successfully completes, the following message appears on the LCD

TV screen. A finish dialog box also appears on the computer screen.

PROGRAM FINISH

Now continue to update the MCU firmware.

10. Enable the MCU firmware update function by following these steps:

a. Turn on the TV and while in TV mode, set the volume to the minimum level.

b. Press and hold the

Vol –

button; at the same time, press and hold the

button on the

remote control for at least 2 seconds. The MCU service menu appears.

MCU F/W Update <[On/Off]>

c. Set the MCU firmware update function to

11. Locate the connector

CN302

and connect it to the ISP board.

12. Set the COM port to the correct value.

13. Click the

Select File

button and browse for the MCU firmware; then click

Open

14. Click the

Start

button to begin the update process. The following message appears on the

LCD TV screen.

MCU FIRMWARE UPDATE .....

PLEASE KEEP POWER ON

15. After the MCU firmware update successfully completes, the following box appears. A finish

dialog box also appears on the computer screen

Update Finish.
Please plug AC Off/On

16. Disconnect the cables from the service connectors and the VGA connector.

Summary of Contents for 15SLDT3R

Page 1: ...ied as green products 1 as indicated by the underlined serial numbers This Service Manual describes replacement parts for the green products When repairing these green product s use the part s described in this manual and lead free solder 2 For 1 and 2 see the next page 2009 Toshiba Corporation DOCUMENT CREATED IN TAIWAN SEPT 2009 GREEN ...

Page 2: ...ment of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts LEAD FREE SOLDER 2 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...

Page 3: ...on Testing 7 Remote Control Key Codes 7 Hotel Mode Function 8 4 System Disassembly 10 Disassembly Tools 10 Disassembly Reminders 10 5 Exploded Diagram 60 6 Packing diagram 68 7 Block Diagrams 72 8 Printed Circuit Board 75 9 Interconnection diagram 77 10 Troubleshooting 80 11 Firmware 84 3 ...

Page 4: ...tilation may be hindered The ventilation slots should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in built installation unless proper ventilation is provided Do not install this display near a motor or transformer where strong magnetism is generated Images on the display will become distorted and the color irregular When clea...

Page 5: ...harp impact may cause severe damage to thin glass plastic surface materials and internal components 4 If necessary clean the LCD TV with a slightly damp cloth using clean water Disconnect the LCD TV from the power source before cleaning Do not use ammonia based cleaning products 5 In the event that the powered LCD TV rapidly heats or emits unusual smells or noises immediately disconnect the unit f...

Page 6: ...tive sync RCA jack x 1 Pb Pr 0 7 V p p 75 ohm RCA jack x 2 Video input composite 1 0 V p p 75 ohm negative sync RCA jack x 1 Analog audio output 10 7 dBm 47 kohm RCA jack L R x 2 Digital audio output 0 5 V p p 75 ohm coaxial jack x 1 Headphone 3 5 mm stereo mini jack x 1 PC input Monitor 15 pin mini D sub x 1 audio 3 5 mm stereo mini jack x 1 Speaker Output 1 5 W x 2 10 W x 2 Power Voltage 220 240...

Page 7: ...BF 0F 22 CH DOWN 40 BF 3F 3F VOL 40 BF 1E 24 TOP MENU 44 BB DF 25 DIGITAL MENU 40 BF 0A 26 GUIDE 40 BF 45 27 UP 44 BB 80 28 LEFT 44 BB 51 29 ENTER CH LIST 40 BF 3D 30 RIGHT 44 BB 4D 31 DOWN 44 BB 81 32 MENU SETUP 40 BF 0E 33 EXIT CANCEL 44 BB EF 34 RETURN 44 BB 5D 35 PLAY 44 BB 15 36 STOP 44 BB 14 37 SKIP 45 BA 23 38 REV 45 BA 19 39 FF 45 BA 13 40 SKIP 45 BA 24 41 SLOW 45 BA 0E 42 PAUSE 45 BA 15 4...

Page 8: ...ss the ENTER button 4 Using the LEFT RIGHT button on the remote control set the item to the desired setting The Hotel mode has now been set up To reset the Hotel mode please follow the steps below 1 In power on mode set the VOLUME to minimum Press and hold the VOLUME DOWN button on the side panel 2 Simultaneously press and hold the channel button 7 on the remote control for more than 2 seconds The...

Page 9: ...u DTV menu and GUIDE keys operation of set and remote control Note 1 Input mode start 1 99ch DTV AV1 AV2 COMPONENT HDMI PC DVD OFF OFF Setting of input source at power supply On Note 3 Reset Various setting of the Hotel mode function returns initial state Notes 1 Even if set to No Respond the remote control key operation in Hotel mode and service mode function are effective 2 Even if set to No Res...

Page 10: ...g the internal components Follow the sequence indicated in the illustrative figures when removing the screws securing the components The screws for the different components vary in size During the disassembly process group the screws with their corresponding components to avoid mismatches when putting back the components After removing the adhesive tapes paste them back near their original locatio...

Page 11: ... down the LCD TV on a flat stable surface with the rear cover facing up Make sure the lip edge of the front bezel is hanging over the edge of the surface 2 Remove the screws securing the LCD TV base 3 Remove LCD TV base ...

Page 12: ...4 Remove the screws securing the rear panel cover 5 Remove the screw securing the left rear panel door 12 ...

Page 13: ...ch the top part of the rear panel cover from the housing and tilt it back to expose the LCD cable on the LCD panel then disconnect the LCD cable and remove the rear panel Caution As FFC connector for LCD panel can easily be damaged during disassembly or reassembly handle it with care ...

Page 14: ...Note Take note of the spring orientation when reassembling the TV 9 Remove the screws securing the IR board 14 ...

Page 15: ...15 10 Disconnect the cable from the LED board then pull up to remove the IR board 11 Remove the screws from the control board ...

Page 16: ...12 Disconnect the cable from the control board then remove the control board 13 Unlatch the control board from its plastic bracket to separate it from its case 16 ...

Page 17: ...17 14 Remove the screws securing the power board 15 Lift up the power board at an angle then disconnect the two cables and remove the power board ...

Page 18: ...16 Remove the screws securing the mainboard 17 Lift the mainboard at an angle then disconnect the cable 18 ...

Page 19: ...19 18 Lift up the mainboard then disconnect the two cables 19 Remove the screws securing the optical drive ...

Page 20: ...20 Lift up and remove the optical drive 21 Pull up to release the left and right speakers Take note to release the speaker cables from their latch 20 ...

Page 21: ...21 22 Release the LCD panel from its latches 23 Remove the LCD panel from the front bezel ...

Page 22: ...wn the LCD TV on a flat stable surface with the rear cover facing up Make sure the lip edge of the front bezel is hanging over the edge of the surface 2 Remove the screws securing the LCD TV base 3 Remove LCD TV base 22 ...

Page 23: ...23 4 Remove the screws securing the rear panel cover 5 Remove the screw securing the center rear panel door ...

Page 24: ...6 Open and remove the center rear panel door 7 Disconnect the LCD cable Caution As FFC connector for LCD panel can easily be damaged during disassembly or reassembly handle it with care 24 ...

Page 25: ...25 8 Remove the screw securing the left rear panel door 9 Open and remove the left rear panel door ...

Page 26: ...10 Disconnect the power cables 11 Detach the top part of the rear panel cover from the housing and remove the rear panel 26 ...

Page 27: ...27 Note Take note of the spring orientation when reassembling the TV 12 Remove the screw securing the IR board ...

Page 28: ...13 Pull up to remove the IR board then disconnect the cable from the IR board 14 Remove the screws securing the control board 28 ...

Page 29: ...29 15 Disconnect the cable from the control board then remove the control board 16 Unlatch the control board from its plastic bracket to separate it from its case ...

Page 30: ...17 Remove the screws securing the power board 18 Turn the power board over then disconnect the two cables and remove the power board 30 ...

Page 31: ...31 19 Remove the screws securing the mainboard 20 Lift the mainboard at an angle then disconnect the speaker cable ...

Page 32: ...ard over then disconnect the two cables 22 Remove the screws securing the optical drive 23 Lift up and remove the optical drive 24 Pull up to release the left and right speakers Take note to release the speaker cables 32 ...

Page 33: ...33 from their latches 25 Remove the LCD panel from the front bezel ...

Page 34: ...wn the LCD TV on a flat stable surface with the rear cover facing up Make sure the lip edge of the front bezel is hanging over the edge of the surface 2 Remove the screws securing the LCD TV base 3 Remove LCD TV base 34 ...

Page 35: ...35 4 Remove the screws securing the rear panel cover 5 Remove the screw securing the center rear panel door ...

Page 36: ...6 Open and remove the center rear panel door 7 Disconnect the LCD cable Caution As FFC connector for LCD panel can easily be damaged during disassembly or reassembly handle it with care 36 ...

Page 37: ...37 8 Remove the screw securing the left rear panel door 9 Open and remove the left rear panel door ...

Page 38: ...10 Disconnect the power cables 11 Detach the top part of the rear panel cover from the housing and remove the rear panel Note Take note of the spring orientation when reassembling the TV 38 ...

Page 39: ...39 12 Pull up to remove the IR board then disconnect the cable from the IR board 13 Remove the screws securing the control board ...

Page 40: ...14 Disconnect the cable from the control board then remove the control board 15 Unlatch the control board from its plastic bracket to separate it from its case 16 40 ...

Page 41: ...41 17 Remove the screws securing the power board 18 Turn the power board over then disconnect the two cables and remove the power board ...

Page 42: ...19 Remove the screws securing the mainboard 20 Lift the mainboard at an angle then disconnect the speaker cable 42 ...

Page 43: ...43 21 Turn the mainboard over then disconnect the two cables 22 Remove the screws securing the optical drive ...

Page 44: ...23 Lift up and remove the optical drive 24 Pull up to release the left and right speakers Take note to release the speaker cables from their latches 25 Remove the LCD panel from the front bezel 44 ...

Page 45: ...45 ...

Page 46: ...wn the LCD TV on a flat stable surface with the rear cover facing up Make sure the lip edge of the front bezel is hanging over the edge of the surface 2 Remove the screws securing the LCD TV base 3 Remove LCD TV base 46 ...

Page 47: ...47 4 Remove the screws securing the rear panel cover 5 Remove the screw securing the left rear panel door ...

Page 48: ...6 Open and remove the left rear panel door 7 Disconnect the power cable 48 ...

Page 49: ...49 8 Remove the screw securing the center rear panel door 9 Open and remove the center rear panel door ...

Page 50: ...e LCD cable Caution As FFC connector for LCD panel can easily be damaged during disassembly or reassembly handle it with care 11 Detach the top part of the rear panel cover from the housing and remove the rear panel 50 ...

Page 51: ...51 Note Take note of the spring orientation when reassembling the TV 12 Disconnect the cable from the IR board 13 Remove the IR board by releasing it from its latches ...

Page 52: ...14 Remove the screws securing the control board 15 Disconnect the cable from the control board then remove the control board 52 ...

Page 53: ...53 16 Unlatch the control board from its plastic bracket to separate it from its case 17 Remove the screws securing the power board ...

Page 54: ...18 Turn the power board over then disconnect the two cables and remove the power board 19 Remove the screws securing the mainboard 54 ...

Page 55: ...55 20 Release the cables from their latches 21 Lift up the mainboard at an angle and disconnect the speaker cable ...

Page 56: ...22 Turn the mainboard over then disconnect the two cables 23 Remove the screws securing the optical drive 56 ...

Page 57: ...57 24 Lift up and remove the optical drive 25 Pull up to release the left and right speakers Take note to release the speaker cables from their latches ...

Page 58: ...26 Remove the screws securing the LCD bracket to the LCD panel 27 Remove the LCD bracket from the front bezel 58 ...

Page 59: ...59 28 Remove the LCD panel from the front bezel ...

Page 60: ...60 5 Exploded Diagram 15SLDT3R to be provided ...

Page 61: ...00127 42 77A09 011 KNOB KEY FS G15 G26 18 AJ000134 60 72J07 001 ASSY BEZEL FRONT GRU G15 19 AJ000158 G8CD00000120 DVD HH SLOT DAV RR933WR 20 AJ000026 60 77A15 001 ASSY STAND G15 21 AJ000135 91 72J10 003G MB GRU15 PACKING 1 22 AJ000029 56 04050 171 LIPS 50W DPS 50UP A 01 GAT15 23 AJ000099 34 00015 071 SCRW HEX I 4 40 O 4 40 L5 5 NI 24 AJ000136 86 WAX83 8R0 SCRW T2 5X0 5 8L BLACK ZN 25 AJ000030 86 1...

Page 62: ...62 19SLDT3R to be provided ...

Page 63: ... BEZEL FRONT GRU G19 19 AJ000158 G8CD00000120 DVD HH SLOT DAV RR933WR 20 AJ000054 60 77A11 001 ASSY STAND BASE G22 21 AJ000144 91 72J10 001G MB GRU15_22 PACKING 1 22 AJ000115 56 04050 G21 LIPS 50W FSP050 2PI06 REV 1 02 23 AJ000102 86 CA516 140 SCRW T4X0 7 14L SILV NI 2LEAD 24 AJ000096 86 CA514 8R0 SCRW T3X0 5 8L SILV NI 2LEAD 25 AJ000136 86 WAX83 8R0 SCRW T2 5X0 5 8L BLACK ZN 26 AJ000099 34 00015 ...

Page 64: ...64 22SLDT3R to be provided ...

Page 65: ... LIPS G19 16 ASSY BEZEL FRONT G22 RU 17 ASSY CVR DVD G22 18 ASSY CVR BACK GRU G22 19 AJ000158 G8CD00000120 DVD HH SLOT DAV RR933WR 20 ASSY STAND BASE G22 21 AJ000144 91 72J10 001G MB GRU15_22 PACKING 1 22 AJ000150 56 04065 631 LIPS 65W UA 2600 1 LF REV 02 23 AJ000099 34 00015 071 SCRW HEX I 4 40 O 4 40 L5 5 NI 24 AJ000136 86 WAX83 8R0 SCRW T2 5X0 5 8L BLACK ZN 25 AJ000101 86 CA514 100 SCRW T3X0 5 ...

Page 66: ...66 26SLDT3R to be provided ...

Page 67: ...A02 001 ASSY CVR DVD GAT G26 19 AJ000154 60 72J06 001 ASSY BEZEL FRONT G26D 20 AJ000158 G8CD00000120 DVD HH SLOT DAV RR933WR 21 AJ000089 60 77A03 001 ASSY CVR STAND G26 22 AJ000155 91 72J10 C01G MB GRU26 PACKING 1 23 AJ000126 56 04128 G21 SPS 128W PFC FSP128 3F01 R2 GA 24 AJ000136 86 WAX83 8R0 SCRW T2 5X0 5 8L BLACK ZN 25 AJ000099 34 00015 071 SCRW HEX I 4 40 O 4 40 L5 5 NI 26 AJ000030 86 1B326 10...

Page 68: ...6 Packing diagram 15SLDT3R 68 ...

Page 69: ...69 19SLDT3R ...

Page 70: ...22SLDT3R 70 ...

Page 71: ...71 26SLDT3R ...

Page 72: ...7 Block Diagrams Sound amp unit 72 ...

Page 73: ...73 DVD module ...

Page 74: ...Power supply unit 74 ...

Page 75: ...75 8 Printed Circuit Board Top ...

Page 76: ...Bottom 76 ...

Page 77: ...77 9 Interconnection diagram ...

Page 78: ...78 ...

Page 79: ...79 ...

Page 80: ...rd 5Vsb 12V Check power on Main board Does the power turn on LED green 19 22 26 15 LED blue if the keypad and remote control are pressed Is TV plugged to AC outlet Plug TV power cord to AC outlet No Power No Video No Yes Yes Audio Video No Power board fail Please change another power BD Check power reset crystal flash circuit 80 ...

Page 81: ...3 3Vsb Check U208 pin2 Does power have 12V Yes NO Have 3 3V Yes Have 2 5V Check U206 for Have 6V Have 5V Check L242 pin2 Check L212 Yes Yes NO NO Have 9V NO Check U213 for DVD Check U209 For system Have tuner 5V Check U205 Check L242 pin2 Yes Power Step check NO NO NO ...

Page 82: ...7 1 for Pr 3 Check C6084 1 for Pb 1 Check C636 1 for VGA_R 2 Check C637 1 for VGA_G 3 Check C639 1 for VGA_B 4 Check R657 1 for HSYNC 5 Check R663 1 for VSYNC Check signal path from connector to the scaler especially the Y signal VGA RF AV SV Component Is OSD on the screen Yes Check if signal cable is connected and have signal output Which input has no picture Check panel power on LVDS cable U202 ...

Page 83: ...heck U801 U802 output signal Check net MUTE and HP circuit Check U801 U802 audio input Check U802 26 only power Pin 6 7 12 13 12Vdc U801 15 19 22 only power pin 4 9 16 21 5V Note Speaker will be muted when headphone is plugged Please ensure the signal cable is connected and has output and remove the earphone Have you enabled MUTE function and speaker OFF No Audio issue Audio Problem No Audio No Ye...

Page 84: ...remote control to close the window Updating the LCD TV Firmware Follow these steps 1 Turn on a computer and plug in the ISP board to an available USB port 2 Connect a VGA cable from the ISP board to the VGA connector on the LCD TV 3 Open the center rear cover to access the service connectors 4 Locate the connector CN401 and connect it to the ISP board 5 Run the program spisp_1 34 exe 6 Set the COM...

Page 85: ... The MCU service menu appears MCU F W Update On Off c Set the MCU firmware update function to On 11 Locate the connector CN302 and connect it to the ISP board 12 Set the COM port to the correct value 13 Click the Select File button and browse for the MCU firmware then click Open 14 Click the Start button to begin the update process The following message appears on the LCD TV screen MCU FIRMWARE UP...

Page 86: ...CD TV 2 Press the TV DVD button on the remote control to enter DVD mode 3 Press and hold the STOP button on the LCD TV and at the same time press and hold the 1 button on the remote control 4 After at least 2 seconds release the buttons to display the firmware information ...

Page 87: ......

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