Technical description and composition of the SAMSUNG UE32C4000PW TV, panel type and applicable modules. The composition of the modules.SAMSUNG LED
Model: UE32C4000PW
Chassis / Version: UE32C4000PWXRU CN01 N92A
Panel: LTF320AP10 // T320HAE1-DB
T-CON: 320HDLEDS-4L V0.0 // V315B5-XC06 // V315B5-P06
LED driver (backlight): integrated into PSU; 164V 240mA
Power Supply (PSU): BN44-00349B PD32AF0F_ZDY
PWM Power: STR-W6052S, FSQ0565R, SELC2010M
MainBoard: BN41-01378A SX1_LED_LARGE
IC MainBoard: MX25L4005A STA369BWS AT24C256C
Tuner: DTOS40CVH081A BN40-00172A
Technical Specifications UE32C4000
SAMSUNG UE32C4000PW
General repair guidelines for TV LCD LED
Repair of electronic equipment usually begins with its external inspection and diagnosis of the malfunction. In this case, you should examine all the internal components of the SAMSUNG UE32C4000PW TV, as well as the external elements of the case. Often by the external signs and nature of the damage to the elements, it becomes possible to draw some conclusions and determine a further algorithm for finding a defect before making the necessary measurements at control points. Electrolytic capacitors of filters with a swollen body, as well as ring cracks or a layer of coal on burned-out resistors formed in soldered terminals of heating elements, sometimes tell the repairman the causes of the malfunction and possible consequences.
In cases where the SAMSUNG UE32C4000PW TV does not turn on, does not respond to the remote control and buttons, no indicators on the front panel light up or blink, and there are no sounds and no signs of operability when turning on, the PD32AF0F_ZDY Code module BN44- is most likely faulty 00349B or there is no processor power on the motherboard (a typical defect of some SAMSUNG TVs). When diagnosing and repairing the power supply, after replacing the swollen capacitors of the filters of the secondary rectifiers (if any), you must first check the mains fuse. When it is broken, the power elements of transistors and rectifier bridge diodes should be checked for avalanche (thermal) breakdown.
Power switches in switching power supplies (SMPS) fail extremely rarely for no reason and, if they are broken, it is necessary to look for a malfunction in the stabilization circuits by checking electrolytic capacitors, semiconductor devices, and resistors in the primary circuit. The reason may be a malfunction of the PWM controller chip STR-W6052S FSQ0565R SELC2010M, which can only be checked by replacing it with a new or obviously working one.
If there is no image when you turn on the SAMSUNG UE32C4000PW, or it appears for a second and disappears, but there is sound, most likely there is a malfunction in the backlight LED circuit of the T320HAE1-DB 32P6AH0E panel, or in their power converter. It is necessary to check the electrolytic capacitors of the filter of the secondary rectifiers in the general power supply unit.
In most cases of lack of backlight, it becomes necessary to disassemble the panel in order to check the LEDs, connectors, loops and all contact connections. If one or several LEDs does not work in one line, therefore, they are broken and should be replaced.
It should be remembered that it is not possible to determine the break in the LED lines without disassembling the panels with a tester or multimeter without an additional device, for example, a current source. To open all PN junctions connected in series at once, a voltage of several tens of volts may be required.
If the motherboard SX1_LED_LARGE Code: BN41-01378A is faulty, first of all it is necessary to check all the linear stabilizers or power converters of its chips, and also, if necessary, update the software. Sometimes you can check the health of MB only by replacement.
When repairing an MB board, you must check its components MX25L4005A STA369BWS AT24C256C. Defective items should be replaced. If BGA chips are installed, their malfunction is usually localized by heating. If chips with BGA soldering technology are used, a problem in its implementation is detected by the local heating of the chip.
In the absence of tuning to local television channels, you should make sure that the voltage of the varicaps (30-33V) and other supply voltages on the terminals of the tuner DTOS40CVH081A BN40-00172A are present.
Once again, remind users! Attempts to self-repair a SAMSUNG UE32C4000PW TV without the appropriate qualifications and experience can lead to its complete non-repairability!
SCHEMATIC MANUAL ---------> Samsung UE32C4000PW Chassis N92A
The appearance of the MainBoard BN41-01378A is shown in the figure below:
BN41-01378A
BN41-01378A can be used in TVs:
SAMSUNG UE32C4000PW (Panel LTF320AP10), SAMSUNG UE37C5100 QW (Panel T370FAE1-DA), SAMSUNG UE40C5000QW UE40C5000 (Panel T400FAE2-HE).
The appearance of the power supply
Main features of the SAMSUNG UE32C4000PW device:
Installed matrix (LED-panel) LTF320AP10 or T320HAE1-DB.
The matrix control uses the Timing Controller (T-CON) 320HDLEDS-4L.
To power the backlight LEDs, a converter is used, combined with a power supply.
The formation of the necessary supply voltages for all nodes of the SAMSUNG UE32C4000PW TV is carried out by the BN44-00349B power module, or its analogs using the STR-W6052S, FSQ0565R, SELC2010M microcircuits.
MainBoard - the main board (motherboard) is a BN41-01378A module, using the MX25L4005A STA369BWS AT24C256C chips and others.
Tuner DTOS40CVH081A BN40-00172A provides the reception of television programs and tuning to channels.
Additional technical information about the panel:
Brand: SAMSUNG
Model: LTF320AP10-A01
Type: a-Si TFT-LCD, Panel
Diagonal size: 31.5 inch
Resolution: 1920x1080, FHD
Display Mode: S-PVA, Normally Black, Transmissive
Frequency: 60Hz
Lamp Type: WLED