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Toshiba 37BV701B Service Manual

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SERVICE MANUAL
LCD Color Television
37BV701B
Ver. 1.00
Updating history
Currently there are no updates available.
Please check back at a later time for any future
updates.
>> terms and conditions
TOSHIBA WEB-ZEUS
Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.
>> privacy policy
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5
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Summary of Contents for Toshiba 37BV701B

  • Page 1 LCD Color Television 37BV701B Ver. 1.00 Updating history Currently there are no updates available. Please check back at a later time for any future updates. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.

  • Page 2: Important Notice

    WARNING: You are requested that you shall not modify or alter the information or data provided herein without prior written consent by Toshiba. Toshiba shall not be liable to anybody for any damages, losses, expenses or costs, if any, incurred in connection with or as a result of such modification or alteration.

  • Page 3: Green Product Procurement

    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 4: Lead-Free Solder

    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. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.
  • Page 5 Print this page 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 6 = 0.35 V (peak) for a.c. and = 1.0 V for d.c. correspond to the values 0.7 mA (peak) a.c. and 2.0 mA d.c. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.

  • Page 7: Safety Instruction

    Before replacing any of these components, read the parts list in this manual carefully. The use of substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create electrical shock, fire, or other hazards. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.
  • Page 8 Print this page SAFETY INSTRUCTION Handling the LCD Module Safety Precaution In the event that the screen is damaged or the liquid crystal (fluid) leaks, do not breathe in or drink this fluid. Also, never touch this fluid. Such actions could cause toxicity or skin irritation. If this fluid should enter the mouth, rinse the mouth thoroughly with water. If the fluid should contact the skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water.
  • Page 9 4. Leaving water or other fluids on the panel screen for an extended period of time can result in discoloration or stripes. Immediately remove any type of fluid from the screen. 5. Glass is used in the panel, so do not drop or strike with hard objects. Such actions can damage the panel. 6.
  • Page 10 10. When transporting the LCD module, do not use packing containing epoxy resin (amine) or silicon resin (alcohol or oxim). The gas generated by these materials can cause loss of polarity. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.
  • Page 11 PANEL LED-IR BOARD 1 GND 2 LED 2 3 LED 1 4 IR_IN 5 5V_STBY CN18 CN25 PL816 PL802 1 GND 1 +24V 2 KEYBOARD_ONBOARD 2 GND 2 +24V 3 24V_VCC 3 GND 3 +24V 4 STBY_INFO 4 SW_SWITCH 4 +24V PANEL 5 GND 5 GND...

  • Page 12: Troubleshooting Guide

    Print this page TROUBLESHOOTING GUIDE UNDER CONSTRUCTION Note: Please check back in the future. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.

  • Page 13: Firmware Updating Procedure

    3. Keep pressing OK key from remote controller and at the same time turn power to ON by mechanical SW and keep OK pressed until the stanby led blinks rapidly. 4. When the blinks of led is stopped, TV opens autamatically and release OK button. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.

  • Page 14: Hotel Mode/Hotel Clone

    Print this page HOTEL MODE/HOTEL CLONE HOTEL TV MENU: To enter hotel menu, please open main menu by pressing MENU(M) button. When you code following password "7935", hidden hotel TV menu appears as below: Figure: Hotel TV Menu Hotel Mode Setting "Hotel Mode"...
  • Page 15 Fixed Volume Value Sets the fixed value the volume can have. If Fixed Volume Limit is ON, volume is set with the value here. Headphone Direct Volume Enables to could set via headphone volume dialog the headphone volume level. If it is changed to enabled then V+/- keys will change HP volume and left/right option will change speaker volume unless there is any open osd. If it is disabled it will behave as normal. Volume control and HP volume control are displayed by volume slider menu.
  • Page 16 Copy from USB device data to NVRAM. Just the reverse operation done by copy to USB call. Previously copied nvram files (Flashx.bin) are copied into TV. If there is no flash file or some of them are available on USB, the available ones are copied. If no USB is connected, nothing happens. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.
  • Page 17 32BV501B SAM AP06-L02 10072937 32BV501B SAM AP06-L02 10074859 32BV701B SAM HM04 10072938 32BV801B SAM HA02 10073217 32BV801B SAM HM04 10074915 32DV501B SAM AP06 10073308 37BV701B LG SCC1 10073324 37BV701G LG SCC1 10073325 40BV701B SAM HM07 10073323 40BV801B SAM HA07 10073218...

  • Page 18: Parts List

    : Variable Resistor : Electrolytic : Metal Film : Fusible Resistor All CD and PF capacitors are ±5 %, 50 V and all resistor, ±5 %, 1/6 W unless otherwise noted. >> terms and conditions >> privacy policy TOSHIBA WEB-ZEUS...
  • Page 19 TOSHIBA WEB-ZEUS Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.
  • Page 20 Currently there are no updates available. Please check back at a later time for any future updates. Location Parts No. Description E200 75027105 PC BOARD ASSY, MAIN, 37BV701B, 20573482 E250 75027104 POWER MODULE, 37BV701B, 20573394 E270 75023113 PC BOARD ASSY, LED, 37BV700B, 20437044...
  • Page 23 5V_TUN 5V_TUN ANALOG_IF R1546 IF_AGC_MST DIGITAL_IF_P 100R R1597 R1552 S100 DIF1 N.C. 100R IF_AGC_TUNER 5V_TUN R1545 C912 C910 DIF2 IF_AGC_T2 Z101 DIGITAL_IF_N 100R 100n 100n C546 OUT1 R138 SIFP IF_AGC_TUNER IF_AGC K9656M 2 IN2 OUT2 D145 SIFM R1591 F266 BA782 R139 5V_TUN 3V3_VCC...
  • Page 24 5V_VCC SCART PC INPUT TP13 SCART VIDEO OUTPUT AMPLIFIER C663 100n F179 VGA_DDC_5V R124 12V_VCC 470R 330R C120 220R SC_CVBS_IN R1949 SC_CVBS_OUT 100R VGA_VSNC 220p C836 C860 R1243 Q146 VGA_HSNC 100R BC858B R1233 C378 220R Q119 SCART_CVBS_OUT BC848B SC_FB R1249 R1587 R620 SC_CVBS_OUT...

  • Page 25: Usb Interface

    CFG_PWM0 CFG_PWM1 ONBOARD KEYBOARD LED SOCKET TWISTED PAIR LVDS OPTION AB25 AC24 TX_B_0_P R1615 PWM0 LVB0P AB24 AC25 3V3_VCC PWM1 LVB0M TX_B_0_N TX_B_0_N AD24 PWM2 LVB1P TX_B_1_P BACKLIGHT_DIM AD25 TX_B_1_N TX_B_0_P PWM3 LVB1M AE24 3V3_STBY TX_B_2_P LVB2P 5V_STBY AC23 LVB2M TX_B_2_N F259 TX_B_1_N...
  • Page 26 HDMI2 AUDIO OUTPUTs CN708 R1877 HDMI_0_RX2P MAIN_L DSP_MAIN_L R1900 C1197 R1869 SCART_AUDIO_IN_L C1198 AUL0 RXA0N HDMI_1_RX0N HDMI_0_RX2N 100R SCART_AUDIO_IN_R C1196 AUR0 RXA0P HDMI_1_RX0P HDMI_0_RX1P SAV_AUDIO_IN_L C1195 AUL1 RXA1N HDMI_1_RX1N R1868 R1887 SAV_AUDIO_IN_R C1193 AUR1 RXA1P HDMI_1_RX1P HDMI_0_RX1N IPOD_AUDIO_IN_L C1194 AUL2 RXA2N HDMI_1_RX2N R1909...

  • Page 27: Headphone Output

    AUDIO AMP for 16" to 24" HEADPHONE OUTPUT F283 TP230 12V_VCC U163 PT2333 HP_L F285 24V_VCC TP229 Q160 MAIN_L F284 D192 HP_R BC848B 18V_VCC C1172 C729 C612 R623 SK24 F294 L_AUDIO_P_OUT 5V_VCC VDD_AUDIO 100n C665 220u 220u 100u 100u TP228 C615 C870 L_AUDIO_N_OUT...
  • Page 28 R1402 P_D1 PCM_D1 P_D0 TS1_D0 TS1_D0 TS_MDI0 TS0_D2 TS_MDO2 TS0_VALID TSMOVALID PCMDATA[0]/CI_DATA[0] TS1DATA[0] P_D0 PCM_D0 P_D1 TS1_D1 TS1_D1 TS_MDI1 TS0_D1 TS_MDO1 AD14 CI INTERFACE PCMDATA[1]/CI_DATA[1] TS1DATA[1] R1401 P_D2 PCM_D2 P_D2 AD15 TS1_D2 TS1_D2 TS_MDI2 TS0_D0 TS_MDO0 TS0_SYNC TSMOSTART PCMDATA[2]/CI_DATA[2] TS1DATA[2] P_A0 PCM_A0 P_D3...

  • Page 29: Serial Flash

    DDR18V DDR18V C723 C721 C722 C719 C720 C717 DDR18V DDR18V 100n 100n 100n 100n 100n 100n C718 C715 C714 C716 C711 C713 100n 100n 100n 100n 100n 100n AA_MDATA0 AA_MADR0 BB_MDATA0 BB_MADR0 A_MADR0 B_MADR0 A_MADR[0] B_MADR[0] A_MADR1 B_MADR1 AA_MDATA1 AA_MADR1 BB_MDATA1 BB_MADR1 A_MADR[1]...
  • Page 30 F277 1V2_VCC VDDC_1V2 C1081 C997 C1005 C1070 100n 100n 100n F271 3V3_STBY AVDD_3V3 C1030 C1024 C1025 C1022 100n 100n 100n F274 2V5_VCC AVDD_2V5_PGA C1007 100n F272 AVSS_PGA 1V8_VCC AVDD_DDR C990 100n 100n C1004 C1001 C974 F275 2V5_VCC AVDD_2V5 F270 3V3_VCC VDD_3V3 C1028 C1009...
  • Page 31 W/ADAPTOR POWER BLOCK DIAGRAM ADAPTER SOCKET W_ADAPTER LDO2 LDO2 5V_VCC DC/DC1 12V_STBY 12V_VCC C1038 5V_VCC U174 DC-DC4 12V_STBY 100n 5V_STBY C1112 MP1583 7A/32VDC 1V2_VCC F287 DC-DC1 12V_STBY R1709 12V_INV COMP C1091 C1092 R1690 C1037 5V_STBY 7A/32VDC 100n R1722 9.1K C1130 5V_VCC INVERTER SOCKET W/ADAPTER DC-DC2...
  • Page 33 R139 IF_AGC_MST 100R R140 RF_AGC_CTL 1V8_VCC_XC 100R IF_AGC_TUNER TUN_SDA_MST RF_AGC_CTL GPIO R141 F141 C697 C696 IF_AGC_T2 5V_VCC 100R 100n 100n L = DIGITAL R175 R137 FSA3157 C1189 100n H = ANALOG HDMI_WP 100R SCL_TUN 100R TUN_SDA_T2 R438 S173 SDA_TUN 100R SDA_TUN SCL_TUN TUN_SCL_MST...

  • Page 34: Spdif Out

    5V_VCC S-VIDEO IN TP84 TP83 TP82 C805 C703 SVHS_C_IN SVHS_Y_IN 100n VGA_DDC_5V VGA CONNECTOR TP174 SC_CVBS_IN R481 TP173 100R C807 SC_CVBS_OUT TP172 ST24LC21 R419 R400 8V_VCC 220R C808 330R SC_FB C854 C856 R230 TP171 TP158 SC_R S192 TP170 UART-TX-SC VGA_VSNC BC858B R405 R401...
  • Page 35 CFG_PWM0 CFG_PWM1 5V_STBY MHL_CONTROL 3V3_STBY AB25 AC24 PWM0 LVB0P RX_B_0_P AB24 AC25 3V3_VCC PWM1 LVB0M RX_B_0_N AD24 RX_B_1_P DVD INTERFACE (for 26" to 32") BACKLIGHT_DIM PWM2 LVB1P AD25 RX_B_1_N DVD_IR_ON/OFF PWM3 LVB1M 100n AE24 LVB2P RX_B_2_P BC858B AC23 LVB2M RX_B_2_N RESET R802 R801...
  • Page 36 DDR1V8 DDR1V8 C723 C722 C721 C720 C719 C718 DDR1V8 DDR1V8 C717 C716 C713 C715 C712 C714 AA_MDATA0 AA_MADR0 BB_MDATA0 BB_MADR0 A_MADR0 B_MADR0 C10 A_MADR[0] B_MADR[0] A_MADR1 B_MADR1 AA_MDATA1 AA_MADR1 BB_MDATA1 BB_MADR1 A_MADR[1] B_MADR[1] R696 A_MADR2 B_MADR2 B_MADR13 BB_MADR13 A_MADR[2] B_MADR[2] A_MADR3 B_MADR3 AA_MDATA2...

  • Page 37: Mode Selection

    1V2_VCC VDDC_1V2 C577 C576 C575 C996 100n 100n 100n spcap 3V3_STBY AVDD_3V3 C994 C572 C573 C578 100n 100n 100n 1V8_VCC AVDD_DDR 2V5_VCC AVDD_2V5_PGA C742 C936 C935 C570 100n 100n 100n AVSS_PGA 2V5_VCC AVDD_2V5 C993 C574 C571 100n 100n C986 F148 3V3_VCC VDD_3V3 3V3_VCC...
  • Page 38 R619 R625 TS1_D0 TS_MDI0 TS0_D2 TS_MDO2 TS0_VALID TSMOVALID TS1_CLK TSMICLK TS1_D1 TS_MDI1 TS0_D1 TS_MDO1 R620 R618 CI INTERFACE TS1_D2 TS_MDI2 TS0_D0 TS_MDO0 TS0_SYNC TSMOSTART TS1_VALID TSMIVALID P_D1 PCM_D1 P_D0 TS1_D0 TS1_D3 TS_MDI3 TS0_D3 TS_MDO3 PCMDATA[0]/CI_DATA[0] TS1DATA[0] 8 R1 R621 R617 P_D0 PCM_D0 P_D1...

  • Page 39: Lvds Cable

    LVDS CABLE CN31 TX_B_0_N S119 3V3_VCC TP102 PWM0_FRC TX_B_0_P S118 TP103 5V_VCC TX_B_1_N TP104 TX_B_1_P DIMMING TP105 TX_B_2_N R105 BC858B TP106 TP121 TX_B_2_P TX_B_4_N C847 TP122 TX_B_4_P 12V_VCC MEGA_DCR_OUT R482 TP107 100R 220p TX_B_CLK_N S117 TP108 PANEL SUPPLY SWITCH TX_B_CLK_P TP109 R104 DIMMING...
  • Page 40 R474 R113 SHORT CCT PROTECTION 24V_VCC R209 C735 R380 R112 5V_VCC TP134 100k CN25 S170 100n R373 3V3_LPW 5V_STBY KEYBOARD_ONBOARD R111 5V_VCC F147 S158 12V_VCC C985 3V3_VCC TP189 R747 S171 C982 R376 24V_VCC S169 1 BS 24V_VCC 3V3_STBY 12V_VCC S159 R375 C948 STBY_INFO...
  • Page 41 3V3_VCC R266 3V3_VCC S2_T2_EN 1OE- S2_T2_EN_NOT T2_TS_DATA0 2OE- S2_T2_EN_NOT C623 TS_MDI0 R265 TS_MDI0 41MHz S2_T2_EN BC848B T2_TS_DATA1 S2_TS_DATA_0 100n EXT_RESET TS_MDI1 TS_MDI1 74LVC244 R264 T2_TS_DATA2 S2_TS_DATA_1 3V3_DVDD TS_MDI2 TS_MDI2 R256 T2_TS_DATA3 S2_TS_DATA_2 R572 C622 C621 C620 C619 R254 TS_MDI3 TS_MDI3 100n 100n 100n...
  • Page 42 VDDI_1V25 VDDO_3V3 VDDI_1V25 1N4001 C1175 C1100 VDDI_1V25 470n VDDA_3V3 CLKO_TS2022 C866 V_UP VO_TX EXTM LNB_OUT VO_RX VCC_L C1177 R581 SDA_SYS DSQIN 220n GNDA_1 M_CKOUT S2_TS_CLK C1001 SCL_SYS R580 C1178 NC_1 XTAL_IN M_SYNC S2_TS_SYNC C867 220n RSV_1 NC_2 RSV_2 NC_3 XTAL_OUT VCC_8 NC_4 C1153...
  • Page 43 TP16 R277 TP13 R278 F114 TP14 R280 RX_A_0_N TX_A_0_N TP192 VDD33 TP15 R279 RX_A_0_P TX_A_0_P PIX_SDA VDD33 SDA_SYS F115 SCL_SYS PIX_SCL RX_A_1_N TX_A_1_N TP193 RX_A_1_P TX_A_1_P F113 RX_A_2_N TX_A_2_N NECTEST5 DFT14 RX_A_2_P TX_A_2_P VDD33_6 DFT13 VDD33 VDD12 VDD12 VDD12_8 VDD12_3 F112 VDD25 2V5_4...
  • Page 44 VDDP_FRC C880 FRC_SDA FRC_SCL CN26 FRC_SDA SDA_SYS FRC I2C DEBUG CONN. TX_1_EP FRC_SCL SCL_SYS TX_1_EN C881 TX_1_DP TX_1_DN 3V3_VCC VDDP_FRC C917 C916 C915 C914 C913 C1073 100n 100n 100n 100n 100n VDDP_FRC R813 AVDD_MPLL_FRC GND1 REXT 820R C1072 C912 FRC_SDA SDAS GND18 SCLS...
  • Page 45 FRC_DDR18V F137 TX_3_AP TP47 TP71 TX_1_AP TX_A_0_N TX_A_0_N_FRC FRC_BB_MDATA0 FRC_BB_MADR0 TX_3_AN TP46 TX_1_AN TP70 TX_A_0_P TX_A_0_P_FRC FRC_BB_MDATA1 FRC_BB_MADR1 TX_3_BN TP45 TP69 TX_1_BN F138 FRC_BB_MDATA2 FRC_BB_MADR2 TX_3_BP TX_A_1_N TX_A_1_N_FRC TP44 TX_1_BP TP68 FRC_BB_MDATA3 FRC_BB_MADR3 TX_3_CLKN TP43 TP67 TX_A_1_P TX_A_1_P_FRC TX_1_CLKN F136 FRC_BB_MDATA4 FRC_BB_MADR4 TX_3_CLKP...
  • Page 46 CN28 CN29 BAV70 HDMI0_5V HDMI_5V_DETECT 5V_VCC HDMI0_5V R800 R518 HDMID_RX2P HDMI2_RX2P HDMI0_RX2P R535 R511 HDMID_RX2N HDMI2_RX2N HDMI0_RX2N HDMI2_RX1P HDMI0_RX1P HDMID_RX1P R537 R513 R534 R510 HDMID_RX1N HDMI2_RX1N HDMI0_RX1N HDMI1_5V HDMI_1_5V_DETECT HDMI2_RX0P HDMI0_RX0P HDMID_RX0P TP75 R536 R512 R538 R514 HDMID_RX0N HDMI2_RX0N HDMI0_RX0N 24LC02 R215 HDMI2_CLKP...

  • Page 47: Audio Amp

    22NF L_AUD_O_P L_AUDIO_P S165 30000312 24V_VCC VDD_AUDIO SK24 S166 12V_VCC R142 22R 100n S179 18V_VCC 330u 330u 470n R143 C1171 1V8_AUD 1V8_VCC 330R 100n 100n 1V8_AUD 1V8_AVDD_PLL L_AUD_O_N L_AUDIO_N 330R 22NF 30069761 30000312 100n R_AUD_O_P R_AUDIO_P Please Place These Capacitors near pin#12 and pin#13 C80 15n C796 R158 22R...
  • Page 48 VCC3 R933 R934 R939 R917 680k 680k 680k 680k D906 R935 R940 R912 R918 RS1008_SOD123 680k 680k 680k 680k C922 C912 R929 R930 R937 R920 680k 680k 680k 680k C908 C943 R931 R938 R911 R921 S903 680k 680k 680k 680k S905 S912 D900...
  • Page 49 S805 S806 +Vaux D801 +24VREG +12V C808 IC803 BA159 C801 L805 S808 TR800 +3V3STBY_1 100p TRF_SMT_SAFE_15 NTGS3446 470p R855 +3V3 VCC_OFF 100R R826 VCCSTBY C834 D804 VCC_OFF STBY_ON/OFF R827 BA159 R850 Q813 BC848B DRAIN1 VF_MAIN RS1008_SOD123 IC807 D808 L804 +5VSTBY D803 +5VSTBY +5VSTBY...
  • Page 50 STEP UP DEVRELERI IC302 IC301 NCP303 NCP303 XC9111 FAN5331 L300 RS1008_SOD123 100u D301 C318 220u VESTEL 26"32"42" LCD POWER SUPPLY 17PW25-4 DC/DC CONVERTER 4V2 SECTION Author DATE Sheet Ver. SMPS GROUP 11.10.2010...
  • Page 51 L400 TR400 TRF_SMPS_SAFE_EE5154_26_32 +Vaux D931 +12V DIODE_OUT UF5402 D932 UF5402 D933 UF5402 D934 UF5402 D935 UF5402 RECT_AC D936 UF5402 D937 UF5402 D938 UF5402 DRAIN...
  • Page 52 L845 S822 C966 GNDCAP S819 GNDCAP1 S823 D800 +24V GBU4M F800 S824 PL809 PL818 PL819 PL820 PL821 PL822 C968 L837 GNDCAP FUSE_RADIAL 150uH L817 C967 S820 GNDCAP1 S821 D894 L846 GNDCAP1 GNDCAP R1130 1N4937 +400V R1035 TR810 PL801 Q815 SMPS_TFT_EER35_RES R976 1N4148_SOD123 470R...

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