Klv-48W652D Backlight issue Sony LED TV model no klv-48W652D came to the workshop for repair, customer said that sometimes the picture comes and never comes, the sound keeps coming, after checking the set, its backlight is off, the backlight strips are fine. There was a fault in its backlight driver circuit, pin no 34 of […]
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KLV 40W652D 5V Stage Repair Step by Step Fault Fix When this Sony KLV-40W652D Dead TV Repair Fix unit came to the bench, it was in a completely dead condition. There was no red light indication at all, and the set was totally unresponsive from the front panel. Initially the fault looked like a full
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sony-klv-40W652D-sound-is-muted A customer reported that their Sony KLV-40W652D LED TV had intermittent sound issues. The sound amplifier IC BD28623 was checked, revealing a 19-volt VCC voltage. Further inspection of the circuit showed four pins connected to the system IC with 100 Ω resistance; pin 5 was identified as the error point. The gain control on
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Tcl 32p11E dead solution A TCL model Tcl 32p11E was brought in for repair as it was completely dead with no pilot light. Upon inspection, the mains supply showed twelve volts, but the necessary two volts was not being produced due to a defective buck converter IC (U803). After confirming that the voltage divider resistors
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klv 32ex300 panel issue solve A Sony KLV-32EX300 model arrived for repair due to a display issue. Upon inspection, I discovered a fault in the panel, specifically in the scalar strip. The DC to DC IC was functioning correctly, and all voltages and LVDS signals were normal. However, I identified that the scalar strip R56
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Fixit LG 42LB550A panel issue T-CON 6870C-0480A I repaired an LG LED TV model 42lb550a with a faulty panel and no display, discovering a spark on the COF. After cutting off six gate drivers and disconnecting them from the scaler strip, I made modifications on the T-CON, which allowed the power supply to activate and
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32pf5520d/10-Backlight-Failure A Philips LCD TV 32pf5520d/10 model The workshop received a television for repair where the picture was absent, but sound and other functions were normal. Investigation revealed a malfunctioning backlight balancer that failed to produce high voltage for the fluorescent lamp. By grounding pin 16 of the IC oz9925gn to disable the green LED
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Fix-it-KLV32EX330-Audio-Issue A Sony KLV32EX330 arrived in my workshop, it was in set-on condition, the fault came after a while, before it had distortion in the sound and with it, the set went to three blinking, after fault finding it was found that its audio amp Digital data communication between Amp IC and System IC is
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Fix klv32bx350 dead fault I had a sony klv 32bx350 led tv come for repair it was in dead condition pilot light was not showing even, after investigating the fault of the set its 3.3V standby was not coming 3.3 Voltage regulator Changed the IC it was in seme condition then looked at the whole
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