Technical description and composition of the SAMSUNG UE46F6650 TV, panel type and applicable modules. The composition of the modules.SAMSUNG LED
Model: UE46F6650 UE46F6650AB
Panel: CY-GF460CSLV1V
LED backlight: D2GE-460SCB-R3
T-CON: BN41-01939C LSF460HJ03
LED driver (backlight): integrated into PSU
PWM LED driver: SLC2013M
MOSFET LED driver: KF9N25D
Power Supply (PSU): BN44-00623B L46X1Q_DHS
PWM Power: D2011K (Standby), SPC7011 (PFC), FSFR1800HSL
MOSFET Power: STF13NM60
MainBoard: BN41-01958B BN94-06727T
IC MainBoard: CPU: SEMS30, SPI FLASH: W25Q40, SDRAM: K4B2G1646E
Tuner: BN44-00622B
Technical Specifications UE46F6650
SAMSUNG UE46F6650
General repair guidelines for TV LCD LED
Possible malfunctions
- SAMSUNG UE46F6650 TV does not turn on. There are no signs of operability. The indicators on the front panel do not light or flash, the TV does not respond to the remote control and control buttons.
In some of these cases, a fault is detected in the BN44-00623B power module. Then it is necessary to measure its output voltages and, in case of their complete or partial absence, it is necessary to check the serviceability of power switches (STF13NM60) and rectifier diodes of converters for possible short circuit.
In case of breakdowns of semiconductors in the secondary circuits, the converter can usually work abnormally in the short circuit mode, and during short circuit in the power elements of the primary circuit, the mains fuse often breaks.
Breakdown of power switches (MosFet) in pulsed sources is sometimes caused by malfunctions of other circuit elements, for example, in circuits supplying a PWM controller, frequency-setting or damper ones, as well as in negative feedback (OOS) stabilization circuits. PWM controllers (PWM) D2011K (Standby), SPC7011 (PFC), FSFR1800HSL, if they do not have visible damage to the case and open fault between the terminals, are usually checked by replacement.
- 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.
A malfunction is usually most likely in these cases at the backlight nodes of the display matrix. The reason for this may be a break in the LED circuit, or a problem in stabilizing their power supply.
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.
- 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 BN41-01958B motherboard should begin by checking the stabilizers and power converters needed to power the chips and matrix. If necessary, update or replace 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: SEMS30, SPI FLASH: W25Q40, SDRAM: K4B2G1646E 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.
Before changing the tuner BN44-00622B, if it is not possible to tune to television channels, make sure that there are supply voltages that must be measured at the corresponding terminals of the tuner and check the software for correctness. The pulses of the data exchange of the tuner with the processor can be controlled by an oscilloscope
Attention to users! Self-repair of a SAMSUNG UE46F6650 TV without the appropriate qualifications and necessary experience can lead to its complete non-repairability!
The appearance of the MainBoard BN41-01958B is shown in the figure below:BN41-01958B
BN41-01958B can be used in TVs:
SAMSUNG UE39F5500 UE39F5500AK (Panel HF390BGM-C1), SAMSUNG UE32F5300AK (Panel HF320BGA-B1), SAMSUNG UE40F6200AK (Panel CY-HF400BGLV2V), SAMSUNG UE32F4500AK (Panel HF32AGH-R1), SAMSUNG UE42F5300AK (Panel CY-HF420BGAV1V), SAMSUNG UE46F6500 AK (Panel CY-HF400CSLV1V), SAMSUNG UE46F6330AK UE46F6330 (Panel CY-HF460CSLV2V), SAMSUNG UE32F6330 AK (Panel CY-HF320CSLV1V), SAMSUNG UE40F6330AK UE40F6330 (Panel CY-HF400CSLV5V), SAMSUNG UE40F6510AB UE40F6510 (Panel CY-GF400CSLV2V), SAMSUNG UE55F6400AK UE55F6400 (Panel CY-HF550CSLV1V), SAMSUNG UE40F6540AB (Panel CY-GF400CSLV3V), SAMSUNG UE40F6500 UE40F6500SS (Panel CY-GF400CSLV1H), SAMSUNG UE46F6650 UE46F6650AB (Panel CY-GF460CSLV1V), SAMSUNG UE46F6510 UE46F6510AB (Panel CY-GF460CSLV2V), SAMSUNG UE50F6330 UE50F6330AK (Panel HF500CSA-B1).
The appearance of the power supply
Main features of the SAMSUNG UE46F6650 device:
Installed matrix (LED-panel) CY-GF460CSLV1V.
The matrix control uses the Timing Controller (T-CON) BN41-01939C.
To power the backlight LEDs, a converter is used, combined with a power supply, controlled by the SLC2013M PWM controller. As the power elements of the LED driver, keys of the KF9N25D type are used.
The necessary supply voltages for all nodes of the SAMSUNG UE46F6650 TV are generated by the BN44-00623B power module or its analogs using D2011K (Standby), SPC7011 (PFC), FSFR1800HSL microchips and power switches of the STF13NM60 type.
MainBoard - the main board (motherboard) is a BN41-01958B module, using CPU chips: SEMS30, SPI FLASH: W25Q40, SDRAM: K4B2G1646E and others.
The tuner BN44-00622B provides the reception of television programs and tuning to channels.
