REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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Monday, 6 January 2020

REPAIR / SERVICING TV SAMSUNG UE32ES5507K

Technical description and composition of the SAMSUNG UE32ES5507K TV, panel type and applicable modules. The composition of the modules.
SAMSUNG LED
Model: UE32ES5507K UE32ES5507V
Chassis / Version: U78A (TT02)
Panel: LE320BGM-C1 // LTJ320HN08-L
LED backlight: Edge Led 7032 6V 180mA
T-CON: V320HJ2-CPE2; CM2801B, CM501, CM601
LED driver (backlight): integrated into PSU; 135V, 240mA
PWM LED driver: SLC2012M
MOSFET LED driver: MDD5N40X
Power Supply (PSU): BN44-00501A - PD32A1_CSM
PWM Power: 2S110
MOSFET Power: 13NM60N, D4189, D4184
MainBoard: BN41-01812A BN94-059970Q
IC MainBoard: CPU: SEMS27; NAND FLASH KLM2G1HE3F-B001; EEPROM: 24C256; SDRAM K4B2G1646C-HCK0
Tuner: BN40-00239B
Control: Remote: AA59-00582A, IR: BN41-01831A BN96-22457N
Appearance
SAMSUNG UE32ES5507K
General repair guidelines for TV LCD LED
In cases when the SAMSUNG UE32ES5507K 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 BN44-00501A power supply module is most likely faulty or missing standby power. Diagnostics and repair of the power supply should always begin with a check of the mains fuse and the condition of the electrolytic capacitors of the rectifier filters. Defective capacitors should be replaced with new ones. If the fuse breaks, it is advisable to check for a breakdown, first of all, all the power semiconductor elements of the converter and the diode bridge of the rectifier network, as well as the large electrolytic capacitor of the filter of the rectifier network.
If the power keys of the pulse converter are not equal, you should pay attention to other elements in their bundling, which may be the result or cause of their breakdown.
Sometimes the SAMSUNG UE32ES5507K TV does not have an image, but there is sound, or the image appears and immediately disappears. In this case, there is a possibility of a malfunction of the LED driver - power converter for the backlight LEDs of the LE320BGM-C1 panel, or the most likely cause is a malfunction of the Edge Led 7032 6V 2W LEDs. In this case, it becomes necessary to disassemble the panel and check the LEDs themselves, as well as the same contact connections in the connectors and rations of the terminals.
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, you may need a voltage of several tens of volts.
The LE320BGM-C1 has four groups of LEDs. Two series-connected pairs of two parallel groups.
If one LED breaks down, the load will increase for the whole group, which will subsequently lead to a breakdown of all LEDs in the group. This is a typical defect in this panel. Replacing 7032 LEDs, unlike the usual 3028, is quite complicated and requires certain skills from the master.
The motherboard BN41-01812 A BN94-059970Q must be checked if there is no reaction to the remote control and function buttons, the standby indicator blinks or lights up continuously. In such cases, if the converters or power regulators of the microcircuit are working, a software update may be necessary.
When repairing an MB board, you need to check its CPU components: SEMS27; NAND FLASH KLM2G1HE3F-B001; EEPROM: 24C256; SDRAM K4B2G1646C-HCK0. Defective items should be replaced. If BGA chips are installed, their malfunction is usually localized by heating.
If you suspect a malfunction of the tuner BN40-00239B, first of all, you need to make sure the software is correct, as well as the presence of the necessary voltage levels at the corresponding terminals of the tuner.
It should be remembered! Attempts to repair the SAMSUNG UE32ES5507K TV, 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 Chassis U78A/U78B Model: UE26EH45***, UE22ES54***, UE**EH53***,UE**ES55***, UE**ES57***, UE**ES58***, UE**EH5450W.

PSU SCHEMATIC -------> Power supply BN44-00501A.

FIRMARE FOR  Weltrend WT61P805 ---------->  SAMSUNG UE32ES5507

 The appearance of the MainBoard BN41-01812A is shown in the figure below:
BN41-01812A
BN41-01812A can be used in TVs:
SAMSUNG UE32EH5300P (Panel DE320BGM-C1 ), SAMSUNG UE40ES6307U (Panel LTJ400HV05-L), SAMSUNG UE40ES5537K (Panel CY-LE400BGSV1L), SAMSUNG UE32ES5557K (Panel LE320BGM-C1), SAMSUNG UE40EH5307K (Panel LTJ400HM08-L), SAMSUNG UE37ES6307U (Panel LE370CSA-C1), SAMSUNG UE32ES5500 UE32ES5500W (Panel LE320BGM-C1), SAMSUNG UE32ES5530W UE32ES5530 (Panel LE320BGM-C1), SAMSUNG UE32ES5507K UE32ES5507V (Panel LE320BGM-C1), SAMSUNG UE32ES5537K (Panel LE320BGM-C1), SAMSUNG UE40ES5530W UE40ES5530 (Panel CY-LE400BGSV1L), SAMSUNG UE40ES6100W (Panel LTJ400HV05-L), SAMSUNG UE32EH5300W UE32EH5300 (Panel DE320BGM-C1), SAMSUNG UE32EH5307K UE32EH5307 (Panel DE320BGM-C1), SAMSUNG UE55ES6100W (Panel LTJ550HW08-L), SAMSUNG UE46ES6307U (Panel LTJ460HW05-L), SAMSUNG UE40EH5300W (Panel LTJ-400HM08-L), SAMSUNG UE46ES6100W UE46ES6100 (Panel LTJ460HW05-L), SAMSUNG UE37ES6100W (Panel LE370CSA-C1), SAMSUNG UE50ES5700 UE50ES5700SXZG (Panel LE500BGA-B2), SAMSUNG UE40ES5507K UE40ES5507 (Panel LE400BGA-B1), SAMSUNG UE46EH5300 UE46EH5300W (Panel LTJ460HN05-L), SAMSUNG UE32ES6307 UE32ES6307U (Panel LE320CSM-C1), SAMSUNG UE50ES5507K UE50ES5507 (Panel LE500BGA-B2), SAMSUNG UE40ES5557K UE40ES5557 (Panel LE400BGA-B1), SAMSUNG UE46ES6200 (Panel LTJ460HW05-C), SAMSUNG UE32ES6100 UE32ES6100W (Panel LE320CSM-C1), SAMSUNG UE40ES5500 UE40ES5500W (Panel LTJ400HM09-L), SAMSUNG UE32ES5550 UE32ES5550W (Panel LE320BGM-C1).
The appearance of the power supply
Main features of the SAMSUNG UE32ES5507K device:
Installed matrix (LED panel) LE320BGM-C1 or LTJ320HN08-L.
The matrix control uses the Timing Controller (T-CON) V320HJ2-CPE2 ;.
To power the backlight LEDs, a converter is used, combined with a power supply, controlled by the SLC2012M PWM controller. As power elements of the LED driver, keys of the MDD5N40X type are used.
The necessary supply voltages for all nodes of the SAMSUNG UE32ES5507K TV are generated by the BN44-00501A power module or its analogs using 2S110 microcircuits and 13NM60N, D4189, D4184 type power switches.
MainBoard - the main board (motherboard) is a BN41-01812A module, using CPU chips: SEMS27; NAND FLASH KLM2G1HE3F-B001; EEPROM: 24C256; SDRAM K4B2G1646C-HCK0 and others.
The tuner BN40-00239B provides the reception of television programs and tuning to channels.

Posted By: FRANK at 05:03
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