Technical description and composition of the SHARP LC-32AD5E-BK TV, type of panel and applicable modules. The composition of the modules.SHARP
Model: LC-32AD5E-BK
Panel: LK315T3LZ5CZ
T-CON: X3562TP XE
Inverter (backlight): IM3832A
PWM Inverter: BD9883
MOSFET Inverter: RSS085N05
Power Supply (PSU): CEF273A
PWM Power: MIP2F4 (Standby), MP2A5060
MainBoard: CMF111A
Control: 010240
Appearance
SHARP LC-32AD5E-BK
General recommendations for repairing TV LCD
Repair SHARP LC-32AD5E-BK must begin with the diagnosis of the malfunction and a thorough examination of its external and internal components, including the case. Sometimes, only by some signs can we determine the further direction of the localization of the malfunction. 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 hint in the assumptions about the causes and consequences of the malfunction.
Faults in the CEF273A power supply module can be expressed in different ways, for example, the SHARP LC-32AD5E-BK does not turn on at all and the control lights on its front panel do not light up and do not blink, and there are no signs of operability. When diagnosing and repairing the CEF273A power supply, first of all, it is necessary to check the fuse, and if it is broken, the power switch and rectifier bridge diodes should be checked for avalanche (thermal) breakdown.
It should be remembered that in the practice of repair, usually the power keys of N-Fet converters do not fail due to their poor quality and, in such cases, it is necessary to look for the cause that led to a malfunction and provoked a breakdown of the key. Most often, the culprits of the accident are dried electrolytic capacitors or dangling resistors in the primary circuit, or the PWM controller chip itself may be faulty. It is also necessary to check all the semiconductor elements of the stabilization circuit in the primary and secondary circuits.
In cases using a power module with an active KKM, troubleshooting is sometimes somewhat more complicated.
If the SHARP LC-32AD5E-BK does not have an image, but there is sound, there is a possibility of a malfunction of the backlight or power converter. You should also make sure that the electrolytic capacitors of the secondary rectifiers of the common power supply are working.
Often, attempts to repair the IM3832A inverter are hampered by the fact that the fault diagnosis is complicated by the operation of its protection, which is designed to turn off the inverter in emergency conditions - when the lamps are depressurized, breaks or short circuits in high-voltage connections and other emergency situations. Lock protection to localize the defect is popular among repairmen.
All necessary precautions must be observed when disabling the inverter protection during diagnostics and not leaving it disconnected after the repair is completed.
Repair or diagnostics of the CMF111A motherboard should be started by checking the power conditioners. If necessary, you should update the software (software).
Once again, remind users! Attempts to self-repair a TV SHARP LC-32AD5E-BK without the appropriate qualifications and experience can lead to its complete non-repairability!
Service manual / schematic diagram --------------> Sharp LC-32AD5E-BK
Main features of the SHARP LC-32AD5E-BK device:Installed matrix (LCD panel) LK315T3LZ5CZ.
The matrix control uses the Timing Controller (T-CON) X3562TP.
To power the backlight, an IM3832A inverter is used, it is controlled by the BD9883 PWM controller. As power elements of the inverter, keys of the type RSS085N05 are used.
The necessary supply voltages for all nodes of the SHARP LC-32AD5E-BK TV are generated by the CEF273A power module or its analogs using MIP2F4 (Standby), MP2A5060 microcircuits.
MainBoard - the main board (motherboard) is a CMF111A module.
Information from an alternative source:
SHARP LC-32AD5E-BK
Panel Type (Matrix): LK315T3LZ5CZ
Motherboard: CMF111A
T-con: X3562TP XE, CARD READER: CEF243A
Invertor: IM3832A
PSU: CEF273A
Remote control: 010240
Additional technical information about the panel:
Brand: SHARP
Model: LK315T3LZ5CZ
Type: a-Si TFT-LCD, Panel
Diagonal size: 31.5 inch
Resolution: 1366x768, WXGA
Display Mode: ASV, Normally Black
Active Area: 697.68x392.26 mm