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Toshiba 48L1433DB, Service Manual

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Toshiba 48L1433DB Service Manual Download Page 29

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T. SHT:

50V

100n 

C6

C4
100n 
50V

220R

R3

100R

R1

50V

1u 

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50V

D1

VBC30034

xx295 LED BMS TOSHIBA  

Summary of Contents for 48L1433DB

Page 1: ...SERVICE MANUAL LCD Color Television 48L1433DG 48L1433DB System Information REVISED 01 ...

Page 2: ...REVISION HISTORY REV Date Reason for Change 1 Jun 13 2014 Supplement of deficient page for Power Schematic ...

Page 3: ...CONTENTS 1 IMPORTANT NOTICE 2 GREEN PRODUCT PROCUREMENT 3 LEAD FREE SOLDER 4 SAFETY INSTRUCTION 5 FIRMWARE UPDATING 6 INTERCONNECT 7 EXPLODED VIEW 8 HOTEL MODE HOTEL CLONE 9 SCHEMATIC DIAGRAM 1 ...

Page 4: ...sts if any incurred in connection with or as a result of such modification or alteration THE INFORMATION OR DATA HEREIN SHALL BE PROVIDED AS IS WITHOUT ANY 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...

Page 5: ...ement 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 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 6: ...jury to children 5 Depending on the model use an isolation transformer or wear suitable gloves when servicing with the power on and disconnect the power plug to avoid electrical shock when replacing parts In some cases alternating current is also impressed in the chassis so electrical shock is possible if the chassis is contacted with the power on 6 Always use the replacement parts specified for t...

Page 7: ...10 Touch current check After completing the work measure touch current to prevent an electric shock Plug the AC cord directly into the AC outlet Do NOT use an isolation transformer for this check Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground such as a water pipe Annex D normative Measuring network for TOUCH CURRENTS Resistance ...

Page 8: ...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 b The measurement of the TOUCH CURRENT shall be carried out in accordance with IEC 60990 with the measuring network described in Annex D of this standard The TOUCH CURRENT expressed as voltages and does not exceed the fo...

Page 9: ... blink time is longer than MB6X chassis 4 When the blinks of led is stopped TV opens autamatically 5 Power OFF ON TV set then TV will be ready When TV is ON 1 Software can be upgraded on Software Upgrade Mode 2 To access Software Upgrade Mode you will need to enter 1505 with your remote controller 3 When main menu is on On this mode a simple yes no screen appears which asks to upgrade the software...

Page 10: ...2 PIN4 or 12V_VCC 2 LED2 13 TX_1_0_P 13 DIMMING 3 LED1 14 TX_1_1_N 14 GND 4 IR_IN 15 TX_1_1_P 15 BACKLIGHT_ON OFF 5 5V_STBY 16 TX_1_2_N 16 GND 17 TX_1_2_P 17 POWER PIN13 18 GND 18 GND 19 TX_1_CLK_N 19 POWER PIN1 20 TX_1_CLK_P 20 GND 21 GND 22 TX_1_3_N 23 TX_1_3_P 24 TX_1_4_N 25 TX_1_4_P 26 27 OP_PIN27 28 TX_2_0_N CN15 29 TX_2_0_P 1 R_AUDIO_P 30 TX_2_1_N 2 R_AUDIO_N 31 TX_2_1_P 3 L_AUDIO_P 32 TX_2_...

Page 11: ...1 3 Exploded View ...

Page 12: ...2 3 48L1433DG 48L1433DB ...

Page 13: ...3 3 Parts List 1 M B 2 F bezel 3 B cover Lens Lens Cosmatic 6 IR B 7 Button Board 8 LVDS 9 SPK 10 Stand Assy 11 P cord 12 P B 13 Side IO bezel 14 Foot Screw 16 Cover Gromet Carton box Panel ...

Page 14: ... allowed to do Restriction level can be determined by using other items on menu namely Volume Limit Panel Button OSD Disable In hotel mode users can not reach channel table and install menu so they could not change any program information Last Status Setting Last Status item to On enable TV open with the closing status Otherwise if Last Status item is set Off TV opens with standby status Volume Li...

Page 15: ...me 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 Figure Hotel TV headphone slider bar Panel Lock Enables Panel Lock On or prohibits Panel Lock Off the use of front panel buttons OSD Di...

Page 16: ...ata service list preferences etc to USB device On MB61 and MB60 all nvram data is stored in 8x32KB Flash files named as Flash0 bin Flash1 bin Flash7 bin When Copy to USB is called those files are copied from TV to USB Then they can be used for various purposes testing on another TV or testing debugging on observatory etc Note that USB should be plugged before this operation Copy From USB Copy from...

Page 17: ...10R 1 2 10R R60 1 2 47k R23 1 2 47k R24 1 2 10R R61 1 10R R62 1 2 R25 47k 1 2 10R R63 1 2 R64 10R 1 2 10R R65 1 2 R66 10R 1 2 R67 10R 1 2 R68 10R 1 2 R69 10R 1 2 R70 10R 1 2 R71 10R 1 2 R72 10R 1 2 HDMI0_HPDIN HDMI0_5V HDMI0_RX2P HDMI0_CLKP HDMI0_CLKN HDMI0_RX0N HDMI0_RX0P HDMI0_RX1N HDMI0_RX1P HDMI0_RX2N HDMI0_SCL HDMI0_SDA HDMI0_HPDIN HDMI0_5V R82 1k 1 2 R83 1k 1 2 1k2 R10 HDMI1_RX0P HDMI1_RX1N ...

Page 18: ..._10 VSS_9 VSS_8 VSS_7 VSS_6 VSS_5 VSS_4 VSS_3 VSS_2 VSS_1 DDR0_A00 DDR0_A01 DDR0_A02 DDR0_A03 DDR0_A04 DDR0_A05 DDR0_A06 DDR0_A07 DDR0_A08 DDR0_A09 DDR0_A10 DDR0_A11 DDR0_A12 DDR0_A13 DDR0_DQL0 DDR0_DQL1 DDR0_DQL2 DDR0_DQL3 DDR0_DQL4 DDR0_DQL5 DDR0_DQL6 DDR0_DQL7 DDR0_DQU0 DDR0_DQU1 DDR0_DQU2 DDR0_DQU3 DDR0_DQU4 DDR0_DQU5 DDR0_DQU6 DDR0_DQU7 DDR0_CASB DDR0_RASB DDR0_WEB DDR0_DML DDR0_DMU DDR0_ODT ...

Page 19: ...MIRQA PCMA12 PCMWE PCMA14 PCMA13 PCMA8 PCMA9 PCMIOWR PCMA11 PCMOE 33R R510 PCM_CD2 PCM_NAND_D2 PCM_NAND_D1 PCM_NAND_D0 PCM_A0 PCM_NAND_D6 PCM_NAND_D5 PCM_NAND_D4 PCM_NAND_D3 PCM_A1 PCM_A2 PCM_A3 PCM_REG PCM_IORD PCM_A4 PCM_A5 PCM_RST PCM_A6 PCM_A7 PCM_WAIT PCM_A12 PCM_WE PCM_A14 PCM_A13 PCM_A8 PCM_A9 PCM_IOWR PCM_A11 PCM_OE PCM_IORD PCM_A10 PCM_CE PCM_NAND_D7 PCMCD2 PCM_NAND_D0 PCM_NAND_D1 PCM_NAN...

Page 20: ... R601 C201 33R R522 C202 16V 47n R602 68R C203 47n 16V C204 R523 33R Y_IN PR_IN PB_IN Y_IN S67 C327 1n SAV_CVBS 75R R556 1 2 R557 75R1 2 75R R558 1 2 1n C329 S68 R560 75R1 2 DVD_CVBS U4 MSD8WB9BX AE5 AC6 AD2 AD3 AD5 AC5 AD8 AC8 AC7 AD7 AD6 AE6 AB4 AA4 AB5 W4 W5 Y4 Y5 AB8 AA5 AA6 AB6 Y6 AA7 Y7 AA8 AC4 AC3 AA2 Y2 AA3 AA1 AB3 AB1 AB2 AC2 AC1 V1 V3 V2 W3 W1 W2 Y3 RIN0M RIN0P GIN0M GIN0P BIN0M BIN0P SO...

Page 21: ...1 LX2_0 LX1_1 LX1_0 VIN1 BST EN1 RLIM1 SS1 CMP1 FB1 ROSC SYNC FB3 CMP3 SS3 RLIM3 120k R644 C472 4n7 50V R646 20k 50V 4n7 C473 FB3 10u 16V C488 FB1 R647 20k C475 50V 4n7 R394 100k 4n7 C477 50V 60R F53 1 2 12V_VCC C205 47n 16V 16V 10u C1189 4u7 L40 C1210 22u 6V3 S85 R822 560R R255 10k C478 4n7 50V FB1 C1212 22u 6V3 6V3 22u C1211 47n C206 16V 16V 10u C1188 12V_VCC 1V5_VCC S86 FB2 50V 4n7 C479 R651 7k...

Page 22: ...S39 1 2 MEGA_DCR_IN OP_PIN9 R220 33k PANEL_VCC 10k R79 1 2 OP_PIN9 10k R80 1 2 PANEL_VCC 33k R221 OP_PIN8 33k R235 PANEL_VCC R81 10k 1 2 OP_PIN7 10k R87 1 2 PANEL_VCC OP_PIN6 10k R88 1 2 PANEL_VCC 33k R236 S40 1 2 33k R238 3D_EN R89 10k 1 2 PANEL_VCC OP_PIN5 OP_PIN27 33k R239 10k R90 1 2 PANEL_VCC R241 33k OP_PIN10 S41 1 2 OP_PIN44 OP_PIN41 OP_PIN40 12V_VCC S42 1 2 OP_PIN45 S53 1 2 DIMMING S54 1 2...

Page 23: ...UD_R_OUT LINE_L_IN LINE_L_IN 50V 220p C521 R656 5k6 SC_AUD_L_OUT R200 10k 1 2 R800 18R DSP_MAIN_R_OUT DSP_MAIN_L_OUT S28 DSP_MAIN_R_OUT R607 200k 50V 3n3 C453 DSP_MAIN_L_OUT S29 MAIN_L S30 S31 C454 3n3 50V 200k R608 MAIN_R R349 100R C590 2u2 2u2 C591 SAV_R_IN SAV_L_IN C599 560p 50V 330p 50V C501 SAV_R_IN SAV_L_IN 50V 330p C502 R201 10k SAV_AUD_L_IN R202 10k SAV_AUD_R_IN R397 12k 12k R398 JK1 7 6 5...

Page 24: ...C_2 VDDC_3 VDDC_4 VDDC_5 VDDC_6 VDDC_7 VDDC_8 VDDC_9 VDDC_10 VDDC_11 VDDC_12 VDDC_13 AVDD12 AVDDL_MOD FB_CORE AVDD_LAN12 DVDD_DDR AVDD_ADC25_0 AVDD_ADC25_1 AVDD_ADC25_2 AVDD_REF25 AVDD_LAN25 AVDD_MOD_0 AVDD_MOD_1 AVDD_PGA25 PGA_COM AVDD_ALIVE AVDD_DVI_USB_0 AVDD_DVI_USB_1 AVDD_MPLL AVDD_DMPLL BYPASS AVDD_AU33 AVDD_EAR33 VDDP_0 VDDP_1 AVDD_LPLL_0 AVDD_LPLL_1 VDDP_2 AVDD_DDR0_0 AVDD_DDR0_1 AVDD_DDR0...

Page 25: ...2 1 SC_AUD_R_OUT C385 50V 33p C468 50V 4n7 50V C386 33p JK4 1 2 3 4 YEL WHT RED 75R R533 1 2 R534 75R 1 2 75R R535 1 2 75R R538 1 2 UART TX SC UART RX SC TP14 1 TP15 1 CDA4C16GTH D4 8 7 6 5 4 3 2 1 4n7 C469 50V TP16 1 TP17 1 TP18 1 TP19 1 TP20 1 TP21 1 TP22 1 TP23 1 TP24 1 TP25 1 TP26 1 1k F160 1k F150 BC858B Q40 12V_VCC 68R R416 10u 10V C211 CVBS0_OUT 390R R728 R618 33k SC_CVBS_OUT 68k R730 100R ...

Page 26: ... ST_BY 1n 50V C230 1k R255 1k R211 1k R223 12VCC 1k R237 1n C202 50V 1k R244 1n 50V C201 12V_DC 12V_AC PIN_9 24V_AC D209 D210 D211 SB5100 D207 D208 S557 12V_DC 1N4148 D105 S559 12V_AC 24V_AC 25V 1m C209 C210 1m 25V 25V 1m C211 C212 1m 25V L200 1u 12VCC_S 24V_AC 12V_AC PIN_9 S567 S213 12V_AC PIN_9 S231 S215 1N4148 D213 1k R254 1N4148 D106 R214 1k 1k R226 50V C215 1n Q200 BC848B ST_BY R240 1k 1k R24...

Page 27: ...10R R300 R312 10R 10R R322 R338 10R 24 80V_FB 10R R569 12VCC_SW 10R R330 R339 10R 10R R301 R313 10R 10R R323 R331 10R R340 10R R302 10R 10R R314 R324 10R R332 10R R341 10R 10R R303 10R R315 10R R325 10R R333 10R R570 24 80V R571 10R R572 10R F1 800R PIN_1 Q506 BSH103 10R R573 D307 1N4148 R307 100R V_20 10R R348 R527 10R R355 10R D310 C5V1 SW_OFF_S S3 S4 HS1 S514 R546 10R C550 1n 4kV PL6 PL5 GND3 S...

Page 28: ...30n 16V C501 270R R533 PWM_DIM 16V 330n C515 R504 330k S503 6k8 R520 R512 100k LED2_S S533 S530 LED4_S LED3_S LED2_S LED1_S S510 S507 S532 S504 S501 S511 LED3 LED2 LED4 LED3 LED2 LED1 LED4 LED1 LED3 LED2 LED1_S LED2_S LED4_S LED3_S V_LED V_LED CN501 1 2 3 4 5 6 7 24 80V BL_ON OFF ST_BY F521 50R Q510 LED1_S LED1 VCC_LED LED4 S500 LED2 LED1 2u2 10V C514 OVP_LED CS_LED Q500 BC858B 10R R202 S200 C234 ...

Page 29: ...1 8 7 6 5 4 3 2 1 A B C D E F AX M 1 2 3 4 5 6 7 8 A B C D E F A3 SCH NAME DRAWN BY T SHT 50V 100n C6 C4 100n 50V 220R R3 100R R1 50V 1u C2 C3 1u 50V 100n 50V C5 IR1 3 2 1 OUT GND VS 22R R2 CB1 5 4 2 3 1 C1 1u 50V D1 VBC30034 xx295 LED BMS TOSHIBA ...

Page 30: ...REV 01 Jun 13 2014 ...

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