Technical description and composition of the TOSHIBA 22L1353R TV, type of panel and applicable modules. The composition of the modules.TOSHIBA LED
Model: 22L1353R
Chassis / Version: 17MB95
Panel: LM215WF4
Power Supply (PSU): 17IPS61-3 VESTEL
PWM Power: ICE3BR0665J
MainBoard: 17MB95-2.1
IC MainBoard: NAND Flash: H27U2G8F2CTR; SPI FLASH: MX25L1605A, W25Q80
Specifications 22L1353
TOSHIBA 22L1353R
General repair guidelines for TV LCD LED
Diagnostics of malfunctions and repairs of the TOSHIBA 22L1353R, as well as other electronic devices, is recommended to begin with an external examination of the external and internal elements. Visible damage to elements can sometimes indicate the direction of the search for a defect even before the necessary measurements are taken. Ring cracks in the soldering of the leads of the heating elements, swollen electrolytic capacitors, a charred paint layer on the resistors - all this for the repairman can be a significant clue in the assumptions about the causes and consequences of the malfunction.
If the 22L1353R TV does not turn on, does not make any sounds when turned on, and also no indicators on the front panel light or blink - there is a high probability of a malfunction in the power module. In some cases, only the regulator or power converter of the control processor may be faulty, which is typical for some TOSHIBA models. Diagnostics and repair of the common power supply should always begin with a check of the mains fuse and the condition of the electrolytic capacitors of the secondary rectifier filters. Defective and swollen capacitors should be replaced with new ones. If the fuse breaks, it is advisable to check for a breakdown, first of all, all the power semiconductor elements of the converter and the diode bridge of the rectifier network, as well as the large electrolytic capacitor of the filter of the rectifier network.
If a breakdown of the power switch is detected, it should be remembered that in a switching power supply (IIP) it does not fail by itself for no reason that you should look for by checking other elements of the primary circuit - electrolytic capacitors, PWM controller CE3CR0665J, which can be checked only by replacement, as well as other semiconductor elements (diodes, transistors, zener diodes).
If the TOSHIBA 22L1353R does not have an image, there is sound and the channels are switched, there is a possibility of a malfunction in the circuit of the LG backlight LEDs, or their power converter - LED drivers. Sometimes when you turn on the image appears and disappears immediately. In such cases, it is necessary to check the electrolytic capacitors of the power filter of the LED driver itself, including in the secondary rectifier of the main PSU.
To check the health of the LEDs, as well as contact connections in the ruler circuit, it is necessary to disassemble the panel.
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.
If the MAIN 17MB95-2.1 motherboard is faulty, first of all it is necessary to check all the linear stabilizers and power converters of its chips, and also, if necessary, update the software. Sometimes you can check the health of MB only by replacement.
Attention! For users and owners of 22L1353R TVs who do not have the appropriate qualifications, knowledge and experience, we strongly recommend against attempting self-repair in order to avoid negative consequences that could lead to the complete non-repairability of the device.
SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> Toshiba - Vestel Main 17MB95-2
SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> 17IPS61-3 VESTEL Power supply
The appearance of the MainBoard 17MB95-2.1 is shown in the figure below:17MB95-2.1
17MB95-2.1 can be used in TVs:
PHILIPS 40PFL3018T/12 (Panel VES400UNDS-01), TELEFUNKEN L32H125A3 (Panel VES315WNEA-01-B), TOSHIBA 22L1353R (Panel LM215WF4), TOSHIBA 22L1354R (Panel LM215WF4 TL G1), TOSHIBA 40L1353N (Panel LTA400HM23).
The appearance of the power supply
Main features of the TOSHIBA 22L1353R device:
Installed matrix (LED-panel) LM215WF4.
The necessary supply voltages for all nodes of the TOSHIBA 22L1353R TV are generated by the 17IPS61-3 power supply module or its analogs using ICE3BR0665J microcircuits.
MainBoard - the main board (motherboard) is a 17MB95-2.1 module, using NAND Flash chips: H27U2G8F2CTR; SPI FLASH: MX25L1605A, W25Q80 and others.
Additional technical information about the panel:
Brand: L&T
Model: LM215WF4-TRA1
Type: a-Si TFT-LCD, Panel
Diagonal size: 21.5 inch
Resolution: 1920x1080, FHD
Display Mode: TN, Normally White, Transmissive
Active Area: 476.64x268.11 mm
Surface: Antiglare, Hard coating (3H)
Brightness: 250 cd / m²
Contrast Ratio: 1000: 1
Display Colors: 16.7M (6-bit + Hi-FRC), CIE1931 68%
Response Time: 1.3 / 3.7 (Tr / Td)
Frequency: 60Hz
Lamp Type: 4 strings WLED Without Driver
Signal Interface: LVDS (2 ch, 8-bit), 30 pins
Voltage: 5.0V
TOSHIBA 22L1353 LED TV with LM215WF4 LCD display, diagonal size 22 "(56 cm) in 16: 9 format. The required screen brightness of 300 cd / m² is provided by LED backlight LED. The ratio of maximum brightness to minimum (contrast) is 1000: 1 Dynamic contrast ratio of 20,000: 1 is achieved by special control of the LEDs operation.This model uses side illumination from Edge LEDs.The design and technical capabilities of the TV include viewing 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, 720p, 1080i, 1080p. Supported media file formats: MP3, MKV, JPEG.
The power of the speaker system of sound 5 W (2x2.5 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, component, SCART, VGA, HDMI, USB x2. 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.
A digital tuner is capable of receiving television channels in the DVB-T MPEG4, DVB-C, DVB-T2 standards.
The power consumed by the TV in the operating mode from the network is 30 watts.
Overall dimensions: with stand 518x358x163 mm, without stand 518x321x46 mm.
TV Weight: 4.7 kg.
Attention! The panel of the LM215WF4 TOSHIBA 22L1353 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.