Technical description and composition of the SAMSUNG LE46B530P7 TV, panel type and applicable modules. The composition of the modules.SAMSUNG
Model: LE46B530P7 LE46B530P7W
Chassis / Version: N65A // CN01
Panel: V460H1-L06 RevC1
Lamp backlight: 16 Lamp CCFL
T-CON: V460H1
Inverter (backlight): integrated into PSU
PWM Inverter: LX6503
Power Supply (PSU): BN44-00265B REV1.4 - I46F1_9HS
PWM Power: UCC28061, ICE3BR1065J
MOSFET Power: FDPF16N50, STF11NM60
MainBoard: BN41-01165A BN94-02519D
IC MainBoard: CPU: SEMS12, DRAM: K4T511630G-HCE7, SPI Flash: 25L6405DMI-12G, NTP3200
Tuner: BN40-00137A DNOQ403SH151A (S)
Specifications LE46B530
SAMSUNG LE46B530P7
General repair guidelines for TV LCD
Any repair of electronic equipment begins with a careful external inspection of the device and troubleshooting. In this case, you should carefully examine all the elements of the SAMSUNG LE46B530P7 TV, both internal and external. It often happens that some damage to elements or connections will help determine the direction of troubleshooting and localization of the defect. Electrolytic capacitors of filters with a swollen casing, as well as ring cracks or a layer of coal formed on the resistors of heating elements, sometimes give the repairman the reasons for the malfunction and possible consequences.
If the power supply module BN46-00265B Rev1.1 is malfunctioning, the external manifestations may be different, for example, SAMSUNG LE46B530P7 does not turn on at all and there is no indication of the indicator lights on the front panel. In this case, the diagnosis and repair of the common power supply should always be started by checking the mains fuse. When it breaks, it is advisable to check for a breakdown, first of all, all power semiconductor elements of the converter and the rectifier diode bridge of the network, as well as the large electrolytic capacitor of the filter of the network rectifier and the key transistor.
Power switches in flyback converters fail extremely rarely for no reason and, when 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, which can only be checked by replacing it with a new or obviously working one.
In cases where the Power Factor Corrector (PFC) is used in the power supply, troubleshooting can be a bit more complicated.
In cases where the SAMSUNG LE46B530P7 TV has lost its image, and the sound is there and all other functions are operational, there is a possibility of an inverter (converter for powering the backlight) malfunction. When you turn on the TV, the image may appear briefly and immediately disappear. It must be borne in mind that with such manifestations, the lamps themselves also fail, the malfunction of which can be detected by replacement, by connecting to the connectors for diagnostics that are known to be serviceable and suitable in power.
When repairing the inverter, it is often necessary for diagnostics to turn off the protection, which, for the purpose of fire safety, turns it off in any emergency situation, for example, during a malfunction or uneven wear of the lamps, which makes it difficult to find a defect.
It should be remembered that when the protection is turned off, there is always a risk of failure of the power elements of the inverter during diagnosis. After repair, it is imperative to restore all standard converter protection circuits.
Repair of the BN41-01165A SATURN4 motherboard must begin with the diagnosis and verification of all linear stabilizers or power converters of its microcircuits. Sometimes it may be necessary to update the software (software) - flashing FLASH or EEPROM.
It should be remembered! Attempts to repair the TV SAMSUNG LE46B530P7, in the absence of the necessary qualifications and experience, are categorically not recommended and are fraught with negative consequences, up to the complete non-repairability of the device!
SCHEMATIC -----------> Samsung LE32B53***, LE37B53***, LE40B53***, LE46B53*** Chassis N65A.
PSU SCHEMATIC -----------> BN44-00265B.
The appearance of the MainBoard BN41-01165A is shown in the figure below:
BN41-01165A
BN41-01165A can be used in TVs:
SAMSUNG LE32B450C4 LE32B450C4W (Panel LTF320AP06), SAMSUNG LE37B530P7 LE37B530P7W (Panel AX094F040E), SAMSUNG LE40B530P7 LE40B530P7W (Panel LTF400HA08), SAMSUNG LE46B530P7 LE46B530P7W (Panel V460H1-L06 RevC1), SAMSUNG LE32B530 LE32B530P7W (Panel LTF320HA09), SAMSUNG LE40B531 LE40B531P7W (Panel LTF400HA08) .
The appearance of the power supply
Main features of the SAMSUNG LE46B530P7 device:
Installed matrix (LCD panel) V460H1-L06 RevC1.
The matrix control uses the Timing Controller (T-CON) V460H1.
To power the backlight, a converter is used, combined with the power supply, controlled by the LX6503 PWM controller.
The necessary supply voltages for all nodes of the SAMSUNG LE46B530P7 TV are generated by the BN44-00265B power module or its analogs using UCC28061, ICE3BR1065J microcircuits and power switches of the FDPF16N50, STF11NM60 type.
MainBoard - the main board (motherboard) is a BN41-01165A module, using CPU chips: SEMS12, DRAM: K4T511630G-HCE7, SPI Flash: 25L6405DMI-12G, NTP3200 and others.
The tuner BN40-00137A DNOQ403SH151A (S) provides the reception of television programs and tuning to channels.
Additional technical information about the panel:
Brand: CMO
Model: V460H1-L06
Type: a-Si TFT-LCD, Panel
Diagonal size: 46 inch
Resolution: 1920x1080, FHD
Display Mode: Super MVA, Normally Black, Transmissive
Active Area: 1018.08x572.67 mm
Surface: Antiglare (Haze 11%), Hard coating (3H)
Brightness: 500 cd / m²
Contrast Ratio: 5000: 1
Display Colors: 16.7M (8-bit), CIE1931 72%
Response Time: 6.5 (G to G)
Frequency: 60Hz
Lamp Type: 16 pcs CCFL Embedded (Balance board)
Signal Interface: LVDS (2 ch, 8-bit), 51 pins
Voltage: 12.0V