Toshiba 32W2431D Service Manual
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Toshiba 32W2431D Service Manual

Toshiba 32W2431D Service Manual

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SERVICE MANUAL
LCD Color Television
32W2431D
32W2432D

(Model Information)

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Summary of Contents for Toshiba 32W2431D

  • Page 1: Model Information

    SERVICE MANUAL LCD Color Television 32W2431D 32W2432D (Model Information)
  • Page 2 EXPLODED VIEW 32W24xxD series 32W2431D(G), 32W2432D(G) Toshiba ODM Partner Location Description Service Part Part S-Fit LCD Panel E300A 75037898 1823-022R0TB (Open Cell, LG, LC320DXJ-SFE1) S-Fit LCD Panel E300B 75037899 1823-022S0TB (Open Cell, SAM, LSC320AN02-T) E140 75037902 13EB-4MB0701 SIDE IO ASSY...
  • Page 3 PANEL IDENTIFICATION Serial No. part printed on Rating Label Panel Identification Code Panel Vendor Panel Vendor Panel Vendor Marking Marking Marking SHARP BriView SAMSUNG LPL/LGD CHILIN...
  • Page 4 REV. 00 Jun/5/2014...
  • Page 5 FILE NO. 050-2014010 REVISED:01 SERVICE MANUAL LCD Color Television 32W24xxD 32L24xxD (System Information)
  • Page 6 REVISION HISTORY REV Date Reason for Change Dec/15/2014 Addition of "AFTER MAIN PCB REPLACEMENT".

  • Page 7: Table Of Contents

    CONTENTS 1. IMPORTANT NOTICE 2. GREEN PRODUCT PROCUREMENT 3. LEAD-FREE SOLDER 4. SAFETY INSTRUCTION 5. HOTEL MODE 6. COPYING HOTEL MODE SETTING 7. FIRMWARE UPDATING 8. AFTER MAIN PCB REPLACEMENT 9. INTERCONNECT 10. EXPLODED VIEW 11. SCHEMATIC DIAGRAM...

  • Page 8: Important Notice

    WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Toshiba shall not be liable for any damages, losses, expenses or costs, if any, incurred in connection with or as a result of use of any information or data provided...

  • Page 9: Green Product Procurement

    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 10: Safety Instruction

    (1/4) SAFETY INSTRUCTION WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" INSTRUCTIONS BELOW. Safety Precaution WARNING: SERVICING SHOULD NOT BE ATTEMPTED BY ANYONE UNFAMILIAR WITH THE NECESSARY PRECAUTIONS ON THIS RECEIVER. THE FOLLOWING ARE THE NECESSARY PRECAUTIONS TO BE OBSERVED BEFORE SERVICING THIS CHASSIS.
  • Page 11 (2/4) Always ensure that all internal wirings are in accordance before re-assembling the external casing after a repairing completed. Do not allow internal wiring to be pinched by cabinets, panels, etc. Any error in reassembly or wiring can result in electrical leakage, flame, etc., and may be hazardous.
  • Page 12 (3/4) The potential at any point (TOUCH CURRENT) expressed as voltage does  not exceed the following value: The part or contact of a TERMINAL is not HAZARDOUS LIVE if: a) The open-circuit voltage should not exceed 35 V (peak) a.c. or 60 V d.c. or, if a) is not met.

  • Page 13: Product Safety Notice

    (4/4) Product Safety Notice Many electrical and mechanical parts in this chassis have special safety-related characteristics. These characteristics are often passed unnoticed by a visual inspection and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.

  • Page 14: Hotel Mode

    (1 / 3) Hotel Mode Page 1 Layer 1 Layer 2 Comment OSD default Hotel mode enable Hotel Mode On/Off Off/On *On: hotel mode on Inhibit all buttons which are on TV body Panel Lock Off/On *On: not available Side key Inhibit all buttons which are on TV body only enable input key Panel Lock W/O Input Selector Keys Off/On...
  • Page 15 (2 / 3) Remote control power button on or TV power switch (on side body) on, then display goes to fixed POS/Video (= nealy equal #9) Fixed Pos/Video Off/ On *On: fixed pos/video set *On (AC): TV tunes to preset “Pos/Video” (channel or input) only when AC power is applied.
  • Page 16 (3 / 3) Sinage Mode Off/ On Play Back Content Photo/Video Photo Video Repeat Mode Grayed if "Play Back Content" is "Photo". Photo Effect Off/ On Interval Time Of Slideshow 3 / 5 / 10 / 15 / 30 / 60 / 90 Sec 5 Sec Photo Repeat Mode On / Off...

  • Page 17: Copying Hotel Mode Setting

    Copying Hotel Mode Setting (1/4) TV to USB: Copying a BIN file into USB flash. USB to TV: Copying a BIN file into TV.
  • Page 18 Copying Hotel Mode Setting (2/4) TV to USB Step : 1. Insert USB flash disk into TV USB port. 2. Please press “MUTE” key twice (MUTE icon disappear) , at the same time, press “SOURCE” by keypad for a while. ->“Hotel Menu”...
  • Page 19 Copying Hotel Mode Setting (3/4) USB to TV Step (method 1) : 1. Insert USB disk with available file into TV USB port. 2. Please press “MUTE” key twice (MUTE icon disappear) , at the same time, press “SOURCE” by keypad for a while. ->“Hotel Menu”...
  • Page 20 Copying Hotel Mode Setting (4/4) USB to TV Step (method 2) : 1. Insert USB disk with available file into TV USB port. 2. Please reboot (AC Off/On) TV to update hotel settings automatically. ->the set will shown “Hotel Mode Settings Update Please Wait”. 3.
  • Page 21 Firmware Upgrade –USB (1/4) 1. Copying a firmware BIN file to USB disk. (root directory) 2. Plug in USB disk to TV USB port. 3. Press remote control “MENU” key. 4. Selecting “SETUP” icon , and press “OK” key.
  • Page 22 Firmware Upgrade – USB (24) 5. Selecting “Software Upgrade” item, and press “OK” key.
  • Page 23 Firmware Upgrade – USB (3/4) 6. You will see the software upgrade menu on the screen.
  • Page 24 Definition of Firmware file name (4/4) File name: xxx24xxx_4_001_REV00.bin. for all TV size. x24xxx: model series. 001 : firmware version ex 001 is 0.01, 100 is 1.00 REV00: firmware revision ex 001_REV02 is 0.01.02...

  • Page 25: After Main Pcb Replacement

    (1/1) AFTER MAIN PCB REPLACEMENT The following setting must be checked after PCB replacement to make sure, that PCB setting corresponds to the panel type: 1. Enter Factory Menu: MENU Applications Sleep Timer + “2766” 2. Go to page 3 and select the proper panel type (take care of the full panel name, not only panel vendor name).
  • Page 26 PANEL (T-CON) E344 32L24xxD: 32W24xxD: E310 E310A/B CON201 CN14 1 12V 14 +12V_Normal 1 PANEL_VCC CON301 2 12V 13 +12V_Normal 2 PANEL_VCC 1 Anode1 3 12V 12 +12V_Normal 3 PANEL_VCC 2 Anode2 4 GND_12V 11 GND 4 PANEL_VCC 3 Anode3 5 GND_12V 10 GND 5 RANEL_VCC...

  • Page 27: Exploded View

    EXPLODED VIEW 32W24xxD series, 32L24xxD series Location Description E300A/B S-Fit LCD Panel SAFETY PRECAUTION E140 SIDE IO ASSY The parts identified by The parts identified by mark are critical for safety. Replace only with part number mark are critical for safety. Replace only with part number E200A/B MAIN BOARD specified.
  • Page 28 CONTENTS REVISION HISTORY SCHEMATIC Name SHEET Date Author Comments 01.Contents & History 2013/09/10 1.00 For ER stage.(base on L2300 REV 1.03a.01) 02.TV System Power Budget For PR stage. 2013/11/14 1.01 03.MB Block Diagram 04.DC to DC 05.MSD8841-3A3D&USB&AUDIO 06.MSD8841-DDR&LVDS&GPIO 07.MSD8841_POWER 08.MSD8841-CI&TFE&TS&NAND 09.MEMORY DDR3 10.PCMCIA CONN 11.HDMI and MHL...
  • Page 29 TV System Power Budget Block Diagram AC 220~240 +5V_Standby +5V_Normal 1307mA +3.3V_Normal DEMOD 3937mA DC/DC MSB1230-LF 1047mA PSU Unit NORMAL_PWR_CTL 1047mA AVDD_SAR_T2(Pin33) TPS5432DDAR Enable_Control 55mA AVDD33_ADC_T2(Pin36) 32"/39"/50" Enable_Control AVDD_MPLL_T2(Pin43) GPIO_12V_EN 80mA RT9043-GB AVDD_APLL_TS/SDR_T2(Pin47) TUNER_3.3V GPIO_OCP_OUTPUT_PWM 240mA VDD33_T2(Pin7,18,28,31,50,53,60) +5V_Standby TUNER Power on Max. current= 55mA GPIO_BL_EN APE1117AK-HF...

  • Page 30: Mb Block Diagram

    DDR BUS DDR3 2GBit DVB-T/T2/C PCMCIA SLOT Silcon DDR BUS DDR3 1GBit Tuner SPI Flash MSB-1230 Tuner I2C BUS 2Mbit Demod SPI FLASH BUS Tuner I2C BUS RGB-In/H/V/DDC SPI FLASH BUS SPI Flash 64MBit HDMI ---ARC NAND FLASH BUS NAND Flash 2GBit TDMS-A In/DDC HDMI 1...

  • Page 31: Dc To Dc

    +12V_Normal 120Ohm +5V_Standby +3.3V_Standby 120Ohm C429 RT9043-GB NP_NC GND8 NP_NC GND8 VOUT GND1 GND7 GND1 GND7 +5V_Standby GND2 GND6 GND2 GND6 GND3 GND5 GND3 GND5 120Ohm GND4 GND4 120Ohm 180KOHM C315D157N C315D130N R144 0 Ohm SCANNING_BL_EN ACDetect 0 Ohm OCP_OUTPUT_PWM R554 33 OHM BL_EN...

  • Page 32: Msd8841-3A3D&Usb&Audio

    RXA0N LINEIN_L0 AA12 RXA0P LINEIN_R0 RXA1N RXA1P AA11 LINEIN_L2 2.2UF/10V RXA2N LINEIN_L2 COMP_AU_LIN AB11 LINEIN_R2 2.2UF/10V RXA2P LINEIN_R2 COMP_AU_RIN RXACKN LINEIN_L3 RXACKP LINEIN_R3 LINEIN_L4 2.2UF/10V SC_AU_LIN DDCDA_CK LINEIN_L4 LINEIN_R4 2.2UF/10V SC_AU_RIN DDCDA_DA LINEIN_R4 AA10 HOTPLUGA LINEIN_L5 LINEIN_R5 HDMI_B_RX0N RXB0N HDMI_B_RX0P RXB0P Analog 0 Ohm...

  • Page 33: Msd8841-Ddr&Lvds&Gpio

    R134 +3.3V_Normal R118 33 OHM R115 33 OHM PWM0 LVA0N RN1A 10 OHM PWM_LR PWM0 LVB0P RXA0- PWM1 LVA0P 4.7KOHM RN1B 10 OHM ACD_INT 10,11 PWM1 LVB0N RXA0+ LVA1N RN1C 10 OHM BRIGHT_ADJ PWM2 LVB1P RXA1- PWM_PM R137 R138 LVA1P RN1D 10 OHM I2S_OUT_BCK...

  • Page 34: Msd8841_Power

    GND20 VDDC +1.2V_Normal AVDDLV_USB AVDDLV_USB GND21 VDDC1 GND22 VDDC2 GND23 VDDC3 GND24 R168 VDDC4 GND25 C118 0 Ohm C106 C119 C107 C108 C109 C110 C120 VDDC5 GND26 22UF/6.3V 10UF/10V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V VDDC6 GND27 VDDC VDDC7 GND28 VDDC8 GND40 VDDC9...

  • Page 35: Msd8841-Ci&Tfe&Ts&Nand

    PAD_TS1_D[7:0] PAD_PCM_A[14:0] PAD_TS0_D[7:0] PAD_PCM_D[7:0] AC14 PAD_PCM_D0 PAD_TS1_D0 PCM_D[0]/NF_AD[0] TS1_D[0] PAD_PCM_D1 AD22 AD14 PAD_TS1_D1 PCM_D[1]/NF_AD[1] TS1_D[1] PAD_PCM_D2 AB21 AE14 PAD_TS1_D2 PCM_D[2]/NF_AD[2] TS1_D[2] PAD_PCM_D3 AE17 AD15 PAD_TS1_D3 PCM_D[3]/NF_AD[3] TS1_D[3] PAD_PCM_D4 AC18 AC15 PAD_TS1_D4 PCM_D[4]/NF_AD[4] TS1_D[4] PAD_PCM_D5 AE18 AD16 PAD_TS1_D5 PCM_D[5]/NF_AD[5] TS1_D[5] PAD_PCM_D6 AA19 AD17 PAD_TS1_D6...

  • Page 36: C 09.Memory Ddr3

    AVDD_DDR1 +1.5V_Normal FB23 AVDD_DDR0 +1.5V_Normal FB22 120OHM 120OHM C166 C168 C169 C170 C171 C172 C173 C174 C175 C154 C155 C156 C159 C160 C161 C164 AVDD_DDR1 AVDD_DDR0 C188 C189 C190 C191 C192 C193 C194 C195 C196 C177 C178 C179 C180 C181 C182 C183 C184...

  • Page 37: Pcmcia Conn

    VCC-PCMCIA PCM_A[7:0] +3.3V_Normal PAD_PCM_A[14:0] TS1_D[7:0] TS1_CLK PAD_PCM_D[7:0] R231 R232 TS1_VLD 10KOhm 10KOhm TS1_SYNC PAD_TS1_D[7:0] PAD_TS0_D[7:0] PCM_CD1_N PCM_D3 33 OHM R233 PAD_PCM_D3 PAD_TS0_D3 R234 33 OHM TS0_D3 PCM_D4 33 OHM R235 PAD_PCM_D4 PAD_TS0_D4 R236 33 OHM TS0_D4 PCM_D5 33 OHM R237 PAD_PCM_D5 PAD_TS0_D5 R238...

  • Page 38: Hdmi And Mhl

    M_CD_SENSE +3.3V_Standby +5V_Standby +5V_Standby +5V_Standby_MHL R396 4.7KOHM FB32 120OHM C277 DMN26D0UT-7 C267 M_HDMIC_RX2P PMBS3906 TMSD_Data2+ M_HDMIC_RX2N M_CD_SENSE TMSD_Data2_Shield TMSD_Data2- M_HDMIC_RX1P R147 R145 TMSD_Data1+ TMSD_Data1_Shield M_HDMIC_RX1N M_HDMIC_RX0P 2.2KOHM 1.5KOHM TMSD_Data1- TMSD_Data0+ M_HDMIC_RX0N TMSD_Data0_Shield TMSD_Data0- HDMI_C_SCL M_HDMIC_RXCP 100 Ohm PMBS3904 TMSD_Clock+ TMSD_Clock_Shield +5V_Standby +3.3V_Standby +1.2V_Standby_MHL...

  • Page 39: Vga

    VGA5V UART_RX UART_RX [C15A2] R347 R345 R346 R393 UART_TX UART_TX 6 4.7KOHM 4.7KOHM 4.7KOHM 4.7KOHM VGA-R+ VGA_R- VGA_R- VGA-G+ VGA-R+ FB25 30Ohm/100Mhz VGA_R+ UART_RX DDC_SDA_D VGA-B+ UART_TX VGA_G- VGA_G- VGA-G+ FB26 30Ohm/100Mhz VGA_G+ DDC_SCL_D VGA_R- R348 R349 VGA_G- VGA_B- VGA_B- 33 OHM 33 OHM VGA_B-...

  • Page 40: Component And Av

    CN20 ZD46 ZD47 ZD48 NP_NC1 NP_NC2 NP_NC3 R354 NP_NC4 10KOhm COMP_AU_INL COMP_AU_LIN RCA_JACK_11P COMP_AU_INR COMP_AU_RIN ZD27 ZD28 C244 C245 R355 R356 C246 R357 C247 10KOhm Title : Title : Title : COMPONENT Engineer: Engineer: Engineer: MAIN BOARD MAIN BOARD MAIN BOARD Size Size Size...

  • Page 41: Scart

    CN11 R358 C248 FB29 +5V_Normal 75 OHM 100UF/16V 120OHM SC_CVBS ZD29 ZD30 R360 SC_R+ C252 R359 PMBS3906 470 OHM C251 SC_R- 75 OHM C250 SC_G+ 47PF/50V SC_G- SC_B+ R362 SC_B- SC_L_Out 12KOHM SC_R_Out R364 C253 0 Ohm 10UF/10V SC_FB1 RF_CON_21P ZD33 ZD34 ZD35...

  • Page 42: Speaker&Earphone Amp

    +3.3V_Normal FB46 R609 120OHM 100 Ohm Ear_MUTE C285 R619 +3.3V_Normal 1UF/16V 4.7KOHM U29B C284 C282 0.1UF/16V 1UF/16V GND1 GND2 Ear_OUT_L R604 GND3 10KOhm GND4 R610 TPA6132A2RTER_4VIA 100 Ohm U29A Ear_DET ZD58 C459 1UF/16V C461 HP_Out_L INL- HPVDD 100PF/50V R612 C454 1UF/16V INL+ 100 Ohm...

  • Page 43: Tuner

    +5V_Normal Vout C327 C328 ADJ/GND TUNER_3.3V FB36 APE1117AK-HF 120OHM R419 121 Ohm C333 C334 C329 C330 C331 TDSY_G230D R422 200 Ohm TUNER-CTRL VCC_3.3V R423 4.7KOHM R614 R615 R424 4.7KOHM 10 OHM 120Ohm 0 Ohm DIF_P DIFM 8,22 R426 33 OHM SCL_T DIF_N 8,22...

  • Page 44: B 17.Lvds

    +12V_Normal +5V_Standby PANEL_VCC CN14 R443 R444 0 Ohm 0 Ohm R445 0 Ohm RXA0+ RXA0- RXA1+ RXA1- C348 RXA2+ RXA2- R446 0.68UF/16V 56KOhm RXACK- RXACK+ R448 RXA3- RXA3+ 100KOHM RXA4+ RXA4- RXB0+ RXB0- AP4435GM RXB1+ RXB1- PANEL_VCC C349 RXB2+ RXB2- 0.1UF/16V RXBCK+ RXBCK-...

  • Page 45: Spdif

    +5V_Normal FB38 120OHM C355 R454 1.5KOHM 0.1UF/16V SPDIF_OUT C356 R456 R455 CN15 1UF/16V 56 OHM PMBS3904 2.2KOHM ZD43 C357NC R457 R458 R459 RCA_JACK_3P 100KOHM 200 Ohm 3.3KOHM SPDIF OUT Title : Title : Title : Engineer: Engineer: Engineer: MAIN BOARD MAIN BOARD MAIN BOARD Size...

  • Page 46: Usb

    +5V_Standby Irat=3A USB_5V FB39 120Ohm OUT1 C358 C359 OUT2 C361 OUT/NC 10UF/10V 0.1UF/16V EN#/EN 0.1UF/16V G547H2P81U +5V_Standby USB1_PWR_SW R552 10KOhm R465 4.7KOHM USB1_OCD USB_5V CN16 P_GND1 R466 4.7 OHM USB1_DM R467 4.7 OHM USB1_DP P_GND2 ZD44 C337 ZD45 C338 C364 C365 USB_CON_1X4P Title :...

  • Page 47: Nand Flash

    FLH_3.3V +3.3V_Normal FB47 120OHM C366 C367 C368 C369 0.1UF/16V 2.2UF/10V 0.1UF/16V 0.1UF/16V FLH_3.3V NAND-WPz R468 0Ohm NAND_WPZ NAND-REz R470 0Ohm NAND_REZ NC27 R469 NC26 3.9KOHM NAND-CEz R471 0Ohm NC25 NAND_CEZ NC24 NAND_D7 NAND-CLE R472 0Ohm NAND_CLE I/O7 NAND_D6 NC28 I/O6 NAND-RBZ NAND_D5 NAND-ALE...

  • Page 48: Ethernet Conn

    CN17 P_GND2 MDI_TP-C MDI_TP MDI_TN-C MDI_TN MDI_RP-C ZD51 C379 ZD50 C378 MDI_RN-C P_GND1 LAN_JACK_8P MDI_RP R494 0 Ohm MDI_RN R501 0 Ohm TS21C_HF R502 0 Ohm ZD53 C424 ZD52 C394 R484 R485 R486 R487 C370 C376 1NF/2KV 1NF/2KV +2.5V_Normal R492 0 Ohm C371 C372NC...

  • Page 49: Msb1230

    U21A U22A +5V_Normal +5V_Normal GND2 GND2 +3.3V_Normal DT2_2.5V DT2_1.2V PGOOD GND1 PGOOD GND1 VOUT VOUT C382 C383 R497 C386 C387 C388 C389 R500 C392 C393 R495 R496 C384 C385 RT9025_25PSP_12VIA 220KOhm R498 R499 C390 C391 RT9025_25PSP_12VIA 56KOHM 1UF/16V 1UF/16V U21B U22B GND3 GND9...

  • Page 50: Ir_Led

    +3.3V_Standby_IR +3.3V_Standby_IR SIDE1 Ring_Red Ring_Green C464 LED2 RC_IR 0.1UF/16V RED&YELLOW&GREEN SIDE2 WtoB_CON_6P NP_NC GND8 GND1 GND7 R621 R620 GND2 GND6 8.2KOHM 820OHM GND3 GND5 GND4 C276D138N Ring_Red Ring_Green +3.3V_Standby_IR 47 OHM C279 0.1UF/16V GND2 VOUT GND1 IRM-H238M3/TR2 RC_IR 10PF/50V Title : Title : Title : IR_LED...
  • Page 51 TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION 2-9, Suehiro-Cho, Ome-Shi, Tokyo 198-8710, Japan REV. 01 Dec/15/2014...

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32w2432d

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