1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. LCD TV
  5. 40LV703R
  6. Service manual

Toshiba 40LV703R Service Manual

Lcd color television
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
This model is classified as a
Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and
For (*1) and (*2), refer to
© TOSHIBA CORPORATION
file://C:\Program Files\zeus\js\!!fcover.html
LCD Color Television
40LV703R
green product
(*1), as indicated by the underlined serial number. This
GREEN PRODUCT PROCUREMENT
Ver. 2.00
lead-free solder
(*2).
and
LEAD-FREE
Стр. 1 из 1
SOLDER.
14.05.2015

Advertisement

Table of Contents
loading

Related Manuals for Toshiba 40LV703R

Summary of Contents for Toshiba 40LV703R

  • Page 1 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), refer to GREEN PRODUCT PROCUREMENT LEAD-FREE SOLDER. © TOSHIBA CORPORATION file://C:\Program Files\zeus\js\!!fcover.html 14.05.2015...

  • Page 2: Firmware Updating

    How to update using a USB Mass-storage device Стр. 1 из 4 FIRMWARE UPDATING SOP of Firmware Upgrade ATV Firmware Upgrade - Com port Using USB to D-Sub 15 cable 1. COM Port and baud rate (9600 bps). 2. Select Read to load the file to be programmed into TV. 3.

  • Page 3: Working Method

    How to update using a USB Mass-storage device Стр. 2 из 4 Working method Unlike the USB upgrade (to be mentioned later) the whole code in flash memory will be upgraded completely. This upgrade method can be done even the flash memory is blank. ATV Firmware Upgrade - USB 1.
  • Page 4 How to update using a USB Mass-storage device Стр. 3 из 4 should match to current upgraded model and total length of file name should be 23 characters, characters in red is not cared. Available file name, Continued Table 1. the file name of firmware for 703X series. Model Name File Name of BIN Code 19AV703X...
  • Page 5 How to update using a USB Mass-storage device Стр. 4 из 4 If USB flash memory is found, boot code will check if any available file name memory disk, if it is then the whole file with 2048K bytes (if it's a firmware) will be copied to DDR memory first.

  • Page 6: Function And Operation

    Стр. 1 из 7 FUNCTION AND OPERATION Front Key Controls OSD operation for PC and TV OSD can be controlled by top control keypads or remote control. Function TV/video mode PC mode POWER Turn off/on the set Turn off/on the set "+"...
  • Page 7 Стр. 2 из 7 Timer ON: Green Timer OFF: No light OSD Menu To open the main menus (illustrated below), press MENU on the remote control or TV control panel. Picture Settings Active Backlight Control 3D Color management Picture Base Color adjustment MPEG NR Dual Bass...

  • Page 8: Remote Control

    Стр. 3 из 7 On timer position Teletext Panel lock Function Auto format 4:3 stretch Blue screen Side panel Remote Control file://C:\Documents and Settings\Alexsandr\Local Settings\Temp\Rar$EXa0.812\40L... 14.05.2015...
  • Page 9 Стр. 4 из 7 POWER: Press to turn on/off the TV from or to standby mode. VIDEO: 1. Press repeatedly to select the signal source. 2. The Source List should be activated and show on OSD 3. 1st press displays current, subsequent presses advance STILL: Press to do freeze function TEXT:...
  • Page 10 Стр. 5 из 7 2. Press the pass code to activate the factory mode 3. Press to activate the Channel Lock (enter PIN code for Channel lock) 4. If channel list OSD active - jump to that channel in the channel list ATV/DTV: VOL +/ –: Press to adjust the volume...
  • Page 11 Стр. 6 из 7 I/O connectors Rear connectors: Tuner input: RF connector for PAL/SECAM/NTSC 4.43 free air and cable reception. HDMI 1/2 input: Including digital video and audio. HDMI and PC mode share PC audio when system checks no audio header. SCART 1 input: Including RGB in, CVBS in TV out.

  • Page 12: Headphone Output

    Стр. 7 из 7 Headphone output: 3.5 φ mini-jack Side AV input: CVBS with R/L audio in USB: Software upgrade, Media viewer (JPG, MP3) HDMI: Port included digital video and audio function file://C:\Documents and Settings\Alexsandr\Local Settings\Temp\Rar$EXa0.812\40L... 14.05.2015...

  • Page 13: Safety Instruction

    Handling the LCD Module Стр. 1 из 4 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.
  • Page 14 Handling the LCD Module Стр. 2 из 4 3. If the panel surface becomes soiled, wipe with cotton or a soft cloth. If this does not remove the soiling, breathe on the surface and then wipe again. If the panel surface is extremely solied, use a CRT cleaner as a cleaner. Wipe off the panel surface by drop the cleaner on the cloth.
  • Page 15 Handling the LCD Module Стр. 3 из 4 6. CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static electricity. When handling the module, use a wrist ground or anchor ground. 7. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an extended period of time.
  • Page 16 Handling the LCD Module Стр. 4 из 4 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. file://C:\Documents and Settings\Alexsandr\Local Settings\Temp\Rar$EXa0.468\40L... 14.05.2015...

  • Page 17: Installation

    Стр. 1 из 4 INSTALLATION Channel Settings Initial setup The first time user switches on TV set, "initial setup" wizard will be shown in OSD menu to guide user to start channel scanning. The "channel scanning" takes several minutes. To stop the scanning, press the "EXIT"...

  • Page 18: Hotel Mode

    Стр. 2 из 4 3. Press "EXIT" to leave OSD menu. The skipped program number will not be found by pressing CH +/– key. Channel sort It will be automatically sorted after auto tuning. Channel name edit Press "MENU" on the remote control. Then select "Set up" → "Manual tuning", then follow OSD indication to edit channel name.
  • Page 19 Стр. 3 из 4 Disable TV Front/Side buttons except for input selector keys 3 Disable remote control Remote control works Disabled remote control. normally. (In Service Mode, not disabled) 4 Disable Setup Menu Setup menu is Setup menu is disabled. normally displayed.
  • Page 20 Стр. 4 из 4 Turn the TV on by power 1: 8sec button on the remote, then 2: 15sec a message ("Welcome to 3: until first operation our hotel") is displayed. (Until next operation (ex. Ch up) the message remains.) 11 TV to USB Save the data of TV settings to USB memory...

  • Page 22: Safety Precaution

    Стр. 1 из 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 23 Стр. 2 из 4 inflammability, voltage resistance, etc. therefore, use only replacement parts that have these same characteristics. Use only the specified parts when the mark is indicated in the circuit diagram or parts list. 7. Parts mounting and routing dressing of wirings should be the same as that used originally.
  • Page 24 Стр. 3 из 4 Resistance values in orms ( ). V: Voltmeter or oscilloscope (r.m.s. or peak reading) Input resistance : Input capacitance : 200 pF Frequency range : 15 Hz to 1 MHz and d.c. respectively Note: Appropriate measures should be taken to obtain the correct value in case of non sinusoidal waveforms.

  • Page 25: Product Safety Notice

    Стр. 4 из 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 26: Specification

    Стр. 1 из 4 SPECIFICATION Electrical Samsung 32 inch panel: Panel Model: LTA400HM02 Active Area: 885.6 mm (H) × 498.15 mm (V) Outline Dimension: 952.0 mm (H) × 551.0 mm (V) Pixel Pitch: 0.46125 mm (H) × 0.46125 mm (V) Pixel Format: 1920 ×...
  • Page 27 Стр. 2 из 4 TV RF input system: PAL/SECAM/NTSC 4.43 CVBS input: 1.0 Vpp (including 300 mV sync level), 75 Component video input: Y: 1.0 Vpp (include sync), PbPr: 700 mVpp, 75 Support 480i/p, 576i/p, 720p, 1080i at 50/60 Hz refresh rate.

  • Page 28: Picture Size

    Стр. 3 из 4 Backlight Contrast Brightness Color Tint Sharpness Black/White level High Middle Middle Picture Size There are 7 picture formats: Wide, 4:3, Super Live, Cinema, Subtitle, 14:9 and Native (HDMI only) mode. Note: 1. Panorama format is only available for 480i or 576i video mode. 2.
  • Page 29 Стр. 4 из 4 Impedance Speaker Others AV reset items include ... Picture and Audio back to factory setting Sleep timer: OFF, 15min, 30min, 45min, 60min, 90min, 120min TELETEXT (100 pages) TELETEXT ON/OFF SUBPAGE INDEX SUBTITLE HOLD (Stop acquisition) REVEAL (Show hidden information) TELETEXT MIX TELETEXT ZOOM file://C:\Documents and Settings\Alexsandr\Local Settings\Temp\Rar$EXa0.495\40L...
  • Page 30 IR [Top]...
  • Page 31 KEY [Top]...
  • Page 32 MAIN [Bottom]...
  • Page 33 MAIN [Top]...
  • Page 34 POWER [Top]...
  • Page 35 +24V Diming BL_ON Panel LVDS out Power BD +5V +12V PS_ON Main BD Diming BL_ON...
  • Page 36 HDMI 1 HDMI 2 HDMI Switch DDR 16MB DDR Bus HDMI 3 (Side) SPI Flash SPI Bus R/G/B/H/V/DDC Bus Phone Jack VGA & HDMI 1 Audio Input NVRAM Component YPbPr + Audio Input +L/Mono-R PANEL LVDS Output MST9B884J SCART R/G/B, AV, SV, Audio Input & TV Out SCART 1 SCART Audio Out Audio AMP...
  • Page 37 +5V_STBY +5V_STBY CN202 CN202 R209 R209 SIDE1 R201 R201 R202 R202 0OHM 0OHM RC_IR 10KOhm 10KOhm 100Ohm 100Ohm LED_ON_OFF U201 U201 LED_TIMER C138D138N C138D138N NP_NC SIDE2 WtoB_CON_6P WtoB_CON_6P RC_IR C138D138N C138D138N C203 C203 C204 C204 IRM-3638N3S13F4-P IRM-3638N3S13F4-P 0.01UF/50V 0.01UF/50V 1UF/10V 1UF/10V +5V_STBY +5V_STBY...
  • Page 38 POWER 2.44V 1.73V 1.04V SW101 SW101 SW102 SW102 SW103 SW103 WTOB_CON_4P WTOB_CON_4P KEY2 SIDE1 KEY1 TACT_SW_4P TACT_SW_4P TACT_SW_4P TACT_SW_4P TACT_SW_4P TACT_SW_4P SIDE2 CON1 CON1 R103 R103 1.3KOhm 1.3KOhm SOURCE MENU VOL- VOL+ 2.44V 1.73V 1.04V 0.35V C138D138N C138D138N SW104 SW104 SW106 SW106 SW105...
  • Page 39 +5V_SW VGA5V FB1001 FB1001 120Ohm/100Mhz 120Ohm/100Mhz PC_AU_INL R1125 R1125 10KOhm 10KOhm AUL5 PHONE_JACK_3P PHONE_JACK_3P D1001 D1001 C1015 C1015 C1003 C1003 NP_NC2 BAT54C BAT54C 470PF/50V 470PF/50V 22PF/50V 22PF/50V NP_NC1 FB1002 FB1002 120Ohm/100Mhz 120Ohm/100Mhz VGA_5V PC_AU_INR R1127 R1127 10KOhm 10KOhm AUR5 C1001 C1001 CN1001 CN1001...
  • Page 40 R1101 R1101 470Ohm 470Ohm SOY2 SOY2 CN1101 CN1101 C1101 C1101 1000PF/50V 1000PF/50V FB1101 FB1101 R1102 R1102 47Ohm 47Ohm ZD1104 ZD1104 PESD0603-240 PESD0603-240 C1102 C1102 47NF/25V 47NF/25V FB1102 FB1102 30Ohm/100Mhz 30Ohm/100Mhz R1103 R1103 47Ohm 47Ohm ZD1105 ZD1105 PESD0603-240 PESD0603-240 PB2+ C1103 C1103 47NF/25V 47NF/25V...
  • Page 41 FB2419 FB2419 +5V_SW +5V_SW C2525 C2525 &ORVH WR &RQQHFWRU SC1_AV_IN SC1_AV 120Ohm/100Mhz 120Ohm/100Mhz R2543 R2543 47Ohm 47Ohm FB2405 FB2405 Q2504 Q2504 47NF/25V 47NF/25V 120Ohm/100Mhz 120Ohm/100Mhz C2567 C2567 C2553 C2553 C2552 C2552 R2570 R2570 C2590 C2590 R2593 R2593 100UF/16V 100UF/16V 0.1UF/16V 0.1UF/16V 10UF/10V 10UF/10V...
  • Page 42 IF_5V Close to Tuner IF_5V TU1301 TU1301 +5V_IF_1 Close to IC 120Ohm/100MHz 120Ohm/100MHz R1332 R1332 33Ohm 33Ohm FB1303 FB1303 L1302 L1302 R1307 R1307 FB1302 FB1302 C1302 C1302 R1303 R1303 680OHM 680OHM 0.82UH 0.82UH 120Ohm/100MHz 120Ohm/100MHz 6.8KOhm 6.8KOhm 10NF/50V 10NF/50V TT212X TT212X R1304 R1304...
  • Page 43 Pre/De OC_S3 OC_S2 OC_S1 OC_S0 Vswing (mV) EQ_S0 EQ_S1 emphasis (dB) -9.5 Port 1 15dB on all high speed data inputs OC_S0 OC_S1 OC_S2 OC_S3 EQ_S0 EQ_S1 -3.5 Port 2 3dB on all high speed data inputs 1000 Port 3 8dB on all high speed data inputs R2346 R2346...
  • Page 44 +3V3_STBY +5V_SW BRIGHT_ADJ_PWM R1502 R1502 10OHM 10OHM R1503 R1503 R1501 R1501 4.7KOhm 4.7KOhm 1KOhm 1KOhm R1504 R1504 5.6KOhm 5.6KOhm BRIGHT_ADJ_DC R1515 R1515 0Ohm 0Ohm Q1501 Q1501 R1505 R1505 10KOhm 10KOhm BL_ADJ BC847C-7-F BC847C-7-F C1501 C1501 C1516 C1516 C1514 C1514 22UF/16V 22UF/16V 4.7UF/10V 4.7UF/10V...
  • Page 45 G690H293T73UF G690H293T73UF +3V3_STBY RESET +3V3_STBY U1601 U1601 R1602 R1602 R1603 R1603 C1676 C1676 10KOhm 10KOhm +3.3V_STBY for AVDDA 10UF/10V 10UF/10V R1627 R1627 470Ohm 470Ohm 100Ohm 100Ohm FB1601 FB1601 120Ohm/100Mhz 120Ohm/100Mhz Pin18, Pin37, Pin245 R1610 R1610 +3V3_STBY AVDDA D1601 D1601 10KOhm 10KOhm Q1601 Q1601...
  • Page 46 +3V3_STBY FB1802 FB1802 120Ohm/100Mhz 120Ohm/100Mhz FB1801 FB1801 120Ohm/100Mhz 120Ohm/100Mhz C1802 C1802 +2V6 R1802 R1802 C1807 C1807 0.1UF/16V 0.1UF/16V 10KOhm 10KOhm 0.1UF/16V 0.1UF/16V C1801 C1801 C1803 C1803 C1804 C1804 C1805 C1805 C1806 C1806 10UF/10V 10UF/10V 4.7UF/10V 4.7UF/10V 4.7UF/10V 4.7UF/10V 10NF/50V 10NF/50V 10NF/50V 10NF/50V U1801...
  • Page 47 +5V_STBY R1901 R1901 4.7KOhm 4.7KOhm Q1901 Q1901 R1903 R1903 LED_ON_OFF +5V_STBY 4.7KOhm 4.7KOhm BC847C-7-F BC847C-7-F CN1901 CN1901 +5V_STBY R1919 R1919 1KOhm 1KOhm +5V_STBY KEY1 KEY2 R1902 R1902 R1906 R1906 47Ohm 47Ohm 4.7KOhm 4.7KOhm RC_IR R1907 R1907 100Ohm 100Ohm R1905 R1905 100Ohm 100Ohm Q1902...
  • Page 48 +3V3_STBY PANEL_VCC R2001 R2001 10KOhm 10KOhm OD_SEL C2003 C2003 0.1UF/16V 0.1UF/16V CN2001 CN2001 RXE4+ RXE4+ RXE3+ RXE4- RXE3+ RXE4- RXEC+ RXE3- RXEC+ RXE3- RXEC- RXEC- RXE2+ RXE2+ RXE1+ RXE2- RXE1+ RXE2- RXE0+ RXE1- RXE0+ RXE1- RXE0- RXE0- RXO4+ RXO4+ RXO3+ RXO4- RXO3+ RXO4-...
  • Page 49 USB5V +5V_SW FB2201 FB2201 120Ohm/100MHz 120Ohm/100MHz USB_Power FB2202 120Ohm/100MHz FB2202 120Ohm/100MHz USB5V +3V3 R1662 R1662 U2201 U2201 10KOhm 10KOhm R2201 R2201 0Ohm 0Ohm USB_PWR_SW FAULT +3V3 STMPS2171STR STMPS2171STR R1663 R1663 10KOhm 10KOhm USB2_OC_DET USB_OC_DET L2201 & R2203, R2204 Colay USB_Power CN2201 CN2201 R2203...
  • Page 50 +3V3_SW +3V3_STBY FB2301 FB2301 R2302 R2302 120Ohm/100Mhz 120Ohm/100Mhz 47KOHM 47KOHM C2316 C2316 Q2301 Q2301 C2317 C2317 0.1UF/16V 0.1UF/16V 1UF/10V 1UF/10V HP_MUTE 10KOhm 10KOhm R2303 R2303 BC847C-7-F BC847C-7-F U2301 U2301 +3V3_STBY C2318 1UF/10V C2318 1UF/10V AUOutL R2318 R2318 100Ohm 100Ohm AUOutL INL- HPVDD C2322 1UF/10V...
  • Page 51 +5V_STBY U2401 U2401 APE1084H APE1084H NP_NC GND8 C2401 C2401 GND1 GND7 100UF/25V 100UF/25V GND2 GND6 120Ohm/100MHz 120Ohm/100MHz GND3 GND5 GND4 C315D138N C315D138N +5V_STBY +3V3_STBY FB2401 FB2401 Q2401 Q2401 R2401 R2401 C2402 C2402 +5V_SW 0.1UF/16V 0.1UF/16V 56KOHM 56KOHM +5V_STBY R2402 R2402 NP_NC GND8 R2403...
  • Page 52 POWER [1]...

  • Page 53: Schematic Diagram

    Стр. 1 из 2 SCHEMATIC DIAGRAM Precaution WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION" FOR DIRECT VIEW CTV ONLY, "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" OF THIS MANUAL. CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 54 Стр. 2 из 2 = Electrolytic capacitor = Mylar capacitor 3. The parts indicated with " " have special characteristics, and should be replaced with identical parts only. 4. Voltages read with DIGITAL MULTI-METER from point indicated to chassis ground, using a color bar signal with all controls at normal, line voltage at nominal AC volts.
  • Page 56 Search Parts No. : Block Location Parts No. Description Electric Parts E200 75018812 PC BOARD ASSY, MAIN, 40LV703R, 69EB3JM11C05P Electric Parts E250 75018813 POWER MODULE, OPENFRAME 244W/+5 12 24V, 0433-002H000 Electric Parts E260 75018685 PC BOARD ASSY, KEY, 32AV703G, 69EB3IK10B02P...
  • Page 57 Стр. 1 из 1 PARTS LIST All Block Block : Search 6 / 34 Jump Page : Location : Search Parts No. : Block Location Parts No. Description Packing E512 75018824 EPS CUSHION, 40LV703G(BR), 1505-017N000 Packing E513 75018825 EPS CUSHION, 40LV703G(BL), 1505-017P000 Packing E520 75018826 EPE BAG, 40LV703G, 1516-011E000...
  • Page 58 Стр. 1 из 2 PARTS LIST Precaution WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" "PRODUCT SAFETY NOTICE". CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 59 Стр. 2 из 2 : Fusible Resistor All CD and PF capacitors are ±5 %, 50 V and all resistor, ±5 %, 1/6 W unless otherwise noted. file://C:\Documents and Settings\Alexsandr\Local Settings\Temp\Rar$EXa0.595\40L... 14.05.2015...

Table of Contents