Technical description and composition of the TOSHIBA 47WL66RS TV, type of panel and applicable modules. The composition of the modules.Toshiba
Model: 47WL66Rs
Panel: V470H1-L02 Rev. C4
MainBoard: PE0119 PE0216
IC MainBoard: CPU: TC90702FG, TMP86FS49AUG; Scaler: FL18538LF;
Tuner: ENG37A13GF
Specifications 47WL66R
TOSHIBA 47WL66RS
General recommendations for repairing TV LCD
Repair of the TOSHIBA 47WL66Rs TV should begin with a fault diagnosis, which involves a careful examination of the external and internal elements of the device. Specific external damage to some elements can sometimes indicate further actions to determine the malfunction of the TV and localize the defect before the necessary measurements are taken. Experienced repairmen are often aware of the causes of the defect and the possible consequences, for example, from ring cracks in the soldering of the leads of the elements, as well as from swollen capacitors or resistors burnt to coal dust and other external signs of certain malfunctions.
A malfunction of the power supply is often manifested corny - the TV does not turn on, does not make any sounds, does not light up and does not blink with any indicators. In the general case, first of all, it is necessary to check the electrolytic capacitors of the secondary rectifier filters and the fuse at the input of the network. If it is broken, then you should check for breakdown of the PN junctions of the rectifier bridge diodes and the key transistor of the converter, which can either be on a separate radiator or integrated with a PWM controller in a common chip. Possible options.
In most cases, key breakdowns in switching power supplies (SMPS) do not occur for no reason and you should look for other faulty circuit elements that could provoke a defect. This can be dried electrolytic capacitors in the primary circuit, and faulty damper elements, as well as dangling resistors or punched semiconductor elements in the stabilization circuits. Possible defective PWM chip from the manufacturer.
In cases where the TOSHIBA 47WL66RS TV has lost an image, and the sound is there and all other functions are operational, there is a possibility of an inverter (converter for powering the backlight) malfunction. When you turn on the TV, the image may appear briefly and immediately disappear. It must be borne in mind that with such manifestations, the lamps themselves also fail, the malfunction of which can be detected by replacement, by connecting to the connectors for diagnostics that are known to be serviceable and suitable in power. When disabling protection for diagnostic purposes, it must be remembered that in this case there is a risk of failure of the power elements of the inverter. Upon completion of the diagnosis, all regular protection circuits should be restored.
Repair or diagnostics of the PE0119 PE0216 motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, you should update the software (software). Complex repair of MB (SSB) is possible only in the conditions of a service center with the necessary equipment. Checking or replacing CPU elements: TC90702FG, TMP86FS49AUG; Scaler: FL18538LF; It requires the necessary training and professional skills to repair modules at the component level. Problems associated with the use of BGA soldering technologies can sometimes be diagnosed by warming up.
The malfunction of the ENG37A13GF tuner is established after checking the software and all the supply voltages at its terminals. The data exchange of the tuner with the processor via the I2C bus can be controlled by an oscilloscope.
Attention to users! Self-repair of a TOSHIBA 47WL66RS TV without the appropriate qualifications and experience can lead to its complete non-repairability!
SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> Toshiba 26WL66E, 26WL66T, 26WL66R, 26WL66A, 32WL66E, 32WL66T, 32WL66R, 32WL66A, 37WL66E, 37WL676T, 37WL66R. PE0117 - PE0216 - PE019
The appearance of MainBoard PE0119 is shown in the figure below:PE0119
PE0119 can be used in TVs:
TOSHIBA 26WL65Rs (Panel T260XW02 V.5 75002324), TOSHIBA 26WL66Zs (Panel T315XW01 V5), TOSHIBA 32WL66R (Panel T315XW01 V.5), TOSHIBA 32WL66Rs (Panel V315XW02 V.1), TOSHIBA 47WL66Rs (Panel V470H1-L02 Rev.C4), TOSHIBA 32WL65R 32WL65Rs (Panel T315XW02 V.1).
Key Features of the TOSHIBA 47WL66RS:
Installed matrix (LCD panel) V470H1-L02 Rev. C4.
The required supply voltage for all nodes of the TOSHIBA 47WL66RS TV provides a switching power supply.
MainBoard - the main board (motherboard) is a PE0119 module using CPU chips: TC90702FG, TMP86FS49AUG; Scaler: FL18538LF; and others.
The ENG37A13GF tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: CMO
Model: V470H1-L02
Type: a-Si TFT-LCD, Panel
Diagonal size: 47 inch
Resolution: 1920x1080, FHD
Display Mode: Super MVA, Normally Black, Transmissive
Active Area: 1042.56x586.44 mm
Surface: Antiglare (Haze 25%), Hard coating (3H)
Brightness: 500 cd / m²
Contrast Ratio: 1200: 1
Display Colors: 16.7M (8-bit), CIE1931 75%
Response Time: 6.5 (G to G)
Frequency: 60Hz
Lamp Type: 24 pcs CCFL Embedded (Inverter)
Signal Interface: LVDS (2 ch, 8-bit), 51 pins
Voltage: 12.0 / 18.0V
Brand: TOSHIBA, Model: 47WL66R.
Short from TV: LCD, 47 ", 1920x1080, 1080p Full HD, sound: 20 watts.
The composition includes MainBoard PE0119 PE0216 and an LCD panel (matrix) V470H1-L02 Rev. C4.
LCD TOSHIBA 47WL66R with LCD V470H1-L02, diagonal size 47 "(119 cm) 16: 9 format. The ratio of maximum brightness to minimum (contrast) is 1200: 1. The design and technical capabilities of the TV include watching programs and movies in high quality HD at a resolution of 1920x1080 pixels in graphic decomposition according to the standard 1080p (Full HD). The input high-frequency or video signal can be processed in analog systems PAL, SECAM, NTSC. Graphic processing and digital signal generation occurs in the standards 480i, 480p, 576i, 576p, 72 0p, 1080i, 1080p.
The power of the acoustic system of sound 20 W (2x10 W) provide 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 x2, audio x4, S-Video, component x2, VGA, HDMI. 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.
The power consumed by the TV in the operating mode from the network is 295 watts.
Overall dimensions: with stand 1134x795x353 mm, without stand 1134x740x108 mm.
TV Weight: with stand: 50.6 kg, without stand: 45.6 kg.
Attention! The TOSHIBA 47WL66R LCD TV panel V470H1-L02 Rev. C4 is its most expensive component.
Avoid hitting the glass and exerting pressure on the screen to avoid permanent damage to the LCD panel!