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SAMSUNG LED
Model: UE40H6410 UE40H6410AU
Panel: CY-GH040CSLV4V
T-CON: BN97-07973A
LED driver (backlight): integrated into PSU
PWM LED driver: 7014X
Power Supply (PSU): BN44-00709A L48X1T-ESM
PWM Power: FA6A01N (FA5760N), S3051
MainBoard: BN41-02156A BN94-07748F
IC MainBoard: CPU: SEMS31; SPI Flash: 25Q40CL; EEPROM: S24C512; SOUND: NTP7414
Tuner: BN40-00288B GT2CX-33X264S / FW-FWS
Technical Specifications UE40H6410
SAMSUNG UE40H6410
General repair guidelines for TV LCD LED
Possible malfunctions
- SAMSUNG UE40H6410 TV does not turn on at all. There is no reaction to the remote control and control buttons from the front panel. Indicator lights do not light or flash.
With such manifestations, a malfunction is most likely to be detected in the BN44-00709A power supply module. It is then necessary to measure its output voltages and, if they are absent, you should check the power switches and rectifier diodes of the converters for the probability of a short circuit.
In case of breakdowns of semiconductors in the secondary circuits of any converter, as a rule, it can operate in emergency short circuit mode without output voltages, and during short circuit in the elements of the primary circuit, the mains fuse and, less often, the current sensor at the source of the key are most often cut off.
Mos-Fet keys used in switching power supplies usually fail due to a malfunction of other elements that can put it out of operation in key mode or provoke an excess of the maximum current or voltage. These can be circuits supplying the PWM controller, damping or frequency-setting circuits, or elements of OOS (negative feedback) in the stabilization circuit. PWM controllers (PWM) FA6A01N (FA5760N), S3051, in the absence of external damage and short circuit between the terminals, are checked by replacing with obviously good ones.
- There is no image, but there is sound and reaction to commands from the remote control. Or the image appears immediately after turning on and disappears.
In some of these cases, a malfunction is caused by a lack of display backlight. The reason for this may be a break in the LED circuit, or a problem in stabilizing their power supply.
To check the LED strips, to open all the transitions of the LEDs, several tens of volts or more are needed, it is best to use a current source for such purposes. The breakage of several PN junctions connected in series cannot be detected with a multimeter or tester. In such cases, it is necessary to open the panel and check each LED. If your multimeter cannot open the LED transitions in forward bias, you can sometimes detect the presence of a PN junction of the protective zener diode by connecting the probes in the opposite direction. If the zener diode is broken or broken in short-circuit, then the LED is faulty and needs to be replaced.
- The TV does not turn on, does not respond to the remote control. The indicator blinks or signals standby mode.
Repair or diagnostics of the BN41-02156A motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, you should update or replace the software (software). In some cases, to repair the MB board (SSB), it may be necessary to replace the chips - CPU: SEMS31; SPI Flash: 25Q40CL; EEPROM: S24C512; SOUND: NTP7414 to new or obviously working. In cases where BGA technologies are used, defects are usually localized by the heating method.
If the TV works normally from external devices, but does not tune into television channels, the tuner BN40-00288B GT2CX-33X264S / FW-FWS may be malfunctioning. In such cases, first of all, you should make sure that there are supply voltages at its corresponding terminals. It is also necessary to make sure that the tuner and processor can exchange data via the I2C bus. Sometimes the cause of the inoperability of the tuner may be a software failure.
We recommend the owners of the UE40H6410 TV for repair only to qualified specialists with the necessary work experience! Attempts to repair it yourself without the appropriate knowledge and skills can lead to irreversible negative consequences!
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BN41-02156A
BN41-02156A can be used in TVs:
SAMSUNG UE40H6200 UE40H6200AK (Panel CY-GH040CSLV1V), SAMSUNG UE32H5500 UE32H5500AK (Panel GH032BGA-B2), SAMSUNG UE40H5500 UE40H5500AK (Panel CY-GH040BGLV2V), SAMSUNG UE32H6200AK (Panel CY-GH032CSLV1V), SAMSUNG UE40H6350 (Panel CY-GH040CSLV2V), SAMSUNG UE32H6410AU UE32H6410 (Panel CY-GH032CSLV4V), SAMSUNG UE40H6400AK UE40H6400 (Panel CY-SH040CSL V2H), SAMSUNG UE48H6200 UE48H6200AK (Panel CY-GH048CSLV1V), SAMSUNG UE48H6230AK UE48H6230 (Panel CY-GH048CSLV1V), SAMSUNG UE48H6400AK UE48H6400 (Panel CY-GH048CSLV2V), SAMSUNG UE48H6410AU UE48H6410 (Panel CY-GH048CSLV4V), SAMSUNG UE48H6240AK UE48H6240 (Panel CY-GH048CSLV1V), SAMSUNG UE32H4500AK UE32H4500 (Panel CY-HH032AGLV2V), SAMSUNG UE40H6410 UE40H6410AU (Panel CY-GH040CSLV4V), SAMSUNG UE40H6500 UE40H6500AT (Panel CY-GH040CSLV1V), SAMSUNG UE32H6230 UE32H6230AK (Panel T320HVF05.2), SAMSUNG UE32H4510 UE32H4510AK (Panel HH032AGH-R3 BN96-31086F), SAMSUNG UE32H6350 UE32H6350AK (Panel CY-GH032CSLV2V), SAMSUNG UE40H6230 UE40H6230AK (Panel CY-GH048CSLV1V).
The appearance of the power supply
Main features of the SAMSUNG UE40H6410 device:
Installed matrix (LED panel) CY-GH040CSLV4V.
The matrix control uses the Timing Controller (T-CON) BN97-07973A.
To power the backlight LEDs, a converter is used, combined with a power supply, controlled by a 7014X PWM controller.
The necessary supply voltages for all nodes of the SAMSUNG UE40H6410 TV are generated by the power module BN44-00709A, or its analogs using chips FA6A01N (FA5760N), S3051.
MainBoard - the main board (motherboard) is a BN41-02156A module, using CPU chips: SEMS31; SPI Flash: 25Q40CL; EEPROM: S24C512; SOUND: NTP7414 and others.
The tuner BN40-00288B GT2CX-33X264S / FW-FWS provides reception of television programs and tuning to channels.