Technical description and composition of the TOSHIBA 47VL963R TV, type of panel and applicable modules. The composition of the modules.TOSHIBA LED
Model: 47VL963R
Chassis / Version: VL963 PE1080
Panel: LC470EUF PE F1
LED driver (backlight): TYL470TE12A01
PWM LED driver: SM1203 LDB7002
Power Supply (PSU): 2801SRCT rev02
PWM Power: A6069
MainBoard: PE1080 VL963
IC MainBoard: CPU: MSD388USV-V6; DRAM: K4B1G1646G-BCK0; SPI Flash: MX25L1606EM2I-12G, EN25F20-100GIPTY; EEPROM: M24256-BWMN6TP;
Tuner: ENGS7305D5F
Specifications 47VL963
TOSHIBA 47VL963R
General repair guidelines for TV LCD LED
Repair of the TOSHIBA 47VL963R TV should begin with a careful external examination of all its constituent elements and modules. In some cases, visible external damage to the elements can suggest the direction of troubleshooting and localization of the defect even before the start of the necessary measurements at the control points of the nodes of electronic circuits. Swollen electrolytic or cermet capacitors, charred resistors, ring cracks in the soldered terminals of the elements - all this can significantly help the master to determine the causes and consequences of the malfunction of the TV.
In the absence of any signs of operability, when the TOSHIBA 47VL963R does not turn on and does not signal anything with the control lights on the panel, there is a chance of a malfunction of the power supply module 2801SRCT rev02 of the TV. With the same manifestations, the power regulator of the control processor on the motherboard may be faulty. When repairing the power supply, it is advisable to start the diagnostics by checking the mains fuse and the electrolytic capacitors of the filters of the converter secondary rectifiers. In the event of a fuse breaking, the reason should be sought in the power semiconductor elements of the pulse converter of the main power supply. First of all, it is necessary to check the diodes of the bridge of the rectifier of the mains voltage and the power switch (s) of the converter.
As a rule, the keys in switching power supplies (SMPS) are reliable enough and rarely fail for no reason to be looked for by checking other components of the circuit - electrolytic capacitors, resistors and semiconductor elements of the primary circuit. The PWM chip is verified by replacing it with a known good one.
If, when you turn on the TV, the image appears and immediately disappears, or is missing initially when you turn on, but the sound has other functions that work, there is a high probability of a malfunction of the LED driver (power converter for the backlight LEDs of the LC470EUF PE F1 panel). In such cases, the general power module is also subject to verification, in which the electrolytic capacitors of the rectifier filter supplying the LED driver should be checked.
Often in the absence of backlighting, disassembling the panel is required. It is necessary to check the health of the transitions of the LEDs, as well as the reliability of the contact connections in the lines and connectors.
To detect a break in the LED lines without disassembling the panel, a current source is required. It is impossible to open transitions connected in series with a simple multimeter; voltage of several tens of volts is necessary.
In cases of complex repairs of MB (SSB) and in the presence of the necessary skills and equipment, sometimes it may be necessary to replace its PE1080 chips and other possible faulty components. Malfunctions associated with the application of BGA soldering technologies are usually easily diagnosed by the heating method.
It should be remembered! Attempts to repair the TOSHIBA 47VL963R TV, in the absence of the necessary qualifications and experience, are categorically not recommended and are fraught with negative consequences, up to the complete non-repairability of the device!
SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> Toshiba 32/40/46/TL933, 32/40/46/TL936, 32/40/46/TL963, 32/40/46/TL966, 32/40/46/UL975, 23/32/40/RL933, 23/32/40/RL936, 23/32/40/SL970, 32/40/RL953, 42/47/55/VL963, 42/47/55/XL975, 4046ML933 Main PE1080
Service Manuals with Schematic Diagrams 134 pages 2012 on model -----------> 32TL933, 40TL933, 46TL933, 32TL936, 40TL936, 46TL936, 32TL963, 40TL963, 46TL963, 32TL966, 40TL966, 46TL966, 32UL975, 40UL975, 46UL975, 23RL933, 32RL933, 40RL933, 23RL936, 32RL936, 40RL936, 23SL970, 32SL970, 40SL970, 32RL953, 40RL953, 42VL963, 47VL963, 55VL963, 42XL975, 47XL975, 55XL975, 40ML933, 46ML933
The appearance of the MainBoard PE1080 is shown in the figure below:PE1080
PE1080 can be used in TVs:
TOSHIBA 42VL963R (Panel LC420EUF (PE)(F1)), TOSHIBA 32ML963RB (Panel LTA320HW01 T03), TOSHIBA 47VL963R (Panel LC470EUF PE F1), TOSHIBA 55VL963R (Panel LC550EUF (PE)(F1)).
Key Features of the TOSHIBA 47VL963R:
Installed matrix (LED-panel) LC470EUF PE F1.
The LED driver TYL470TE12A01 is used to power the backlight LEDs, it is controlled by the SM1203 LDB7002 PWM controller.
The necessary supply voltages for all nodes of the TOSHIBA 47VL963R TV are generated by the 2801SRCT power module, or its analogs using A6069 microcircuits.
MainBoard - the main board (motherboard) is a PE1080 module, using CPU chips: MSD388USV-V6; DRAM: K4B1G1646G-BCK0; SPI Flash: MX25L1606EM2I-12G, EN25F20-100GIPTY; EEPROM: M24256-BWMN6TP; and others.
The ENGS7305D5F tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: LG Display
Model: LC470EUF-PEF1
Type: a-Si TFT-LCD, Panel
Diagonal size: 47 inch
Resolution: 1920x1080, FHD
Display Mode: S-IPS, Normally Black, Transmissive
Active Area: 1039.68x584.82 mm
Surface: Antiglare (Haze 1%), Hard coating (2H)
Brightness: 400 cd / m²
Contrast Ratio: 1600: 1
Display Colors: 16.7M / 1.06B (8-bit / 8-bit + Dithering), CIE1931 72%
Response Time: 5 (G to G); 8 (MPRT)
Frequency: 120Hz
Lamp Type: WLED Without Driver
Signal Interface: LVDS (4 ch, 8/10-bit), 92 pins
Voltage: 12.0V
Brand: TOSHIBA, Model: 47VL963.
Shortly from the TV: LCD, LED backlight, 47 ", 1920x1080, 1080p Full HD, 3D, DVR, sound: 20W, HDMI connectors: 4, Internet access, Smart TV.
The Toshiba official website has firmware (software update) for models 47VL963R (6.9.8E.1), 47VL963N (6.9.MD.1), 47VL963G (6.9.MD.1), 47VL963F (6.9.MD.1), 47VL963B ( 6.9.MD.1).
The composition uses MainBoard PE1080 VL963 and LCD panel (matrix) LC470EUF PE F1.
Power Supply Unit (PSU) 2801SRCT rev02 Power Supply.
Technical description
TOSHIBA 47VL963 LED TV with LC470EUF LCD, diagonal size 47 "(119 cm) in 16: 9 format. The required screen brightness of 360 cd / m² is provided by LED backlighting. Dynamic contrast ratio of 7,000,000: 1 is achieved by special control of the LEDs. V This model uses side lighting from Edge LEDs.
There is support for 3D images using passive polarization technology. The design and technical capabilities of the TV include watching programs and movies in high quality HD at a resolution of 1920x1080 pixels in a graphical decomposition according to the standard 1080p (Full HD).
The 47VL963 is equipped with SMART software, integrated applications and the ability to work on the Internet. Connecting to the Internet can be done via Wi-Fi. The input high-frequency or video signal can be processed in analogue systems PAL, SECAM, NTSC. Graphic processing and digital signal generation occurs in standards 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Supported media file formats: MP3, WMA, MPEG4, Xvid, DivX, MKV, JPEG.
The power of the sound system 20 W (2x10 W) provides two speakers. It uses a NICAM stereo signal processing system and Sound Surround.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, SCART, RGB, VGA, HDMI x4, USB x2, Ethernet (RJ-45). An output for connecting headphones is provided. To connect a computer or laptop to this TV model, a VGA (D-Sub 15) connector is used on the TV case, this interface supports resolutions: 640x480, 800x600, 1024x768, 1280x1024, 1360x768, 1920x1080.
The digital tuner is capable of receiving television channels in the standards DVB-T MPEG4, DVB-C, DVB-T2, DVB-S2.
The power consumed by the TV in the operating mode from the network is 154 watts.
Overall dimensions: with stand 1064x696x235 mm, without stand 1064x641x42 mm.
TV Weight: with stand: 18 kg, without stand: 15.4 kg.
Attention! The LC470EUF PE F1 panel of the TOSHIBA 47VL963 LED TV is an expensive and unreliable element.
Avoid any impact on the glass and pressure on the surface of the screen to avoid damage to the LED panel!
It is also unsafe to get liquid on the screen. Sometimes one drop is enough if it flows down the glass onto the cables so that the TV becomes unrepairable.