V7 0 Smart Oled Led Lcd Tv Repair Tips Pdf [upd] Free «Works 100%»

| Board | Common IC/Part | Replacement Code | |-------|----------------|------------------| | Power Supply | IC601: NCP1251 | NCP1251BP65G | | Power MOSFET | Q601: 10N60 | 10N60 (or 12N60) | | Main (Smart) | DDR: K4B4G1646E | 4Gb DDR3 | | Main (T-Con) | Gamma IC: BUF16821 | BUF16821 or RT6937 | | Backlight Driver | OZ9967 or MP3388 | MP3388EQ |

: New methods for power supply self-testing to isolate board failures quickly. Backlight Protection & Modification

Comprehensive Guide to V7.0 Smart OLED, LED, and LCD TV Repair

Screen flashes briefly then goes black; sound remains audible; "flashlight test" reveals hidden image. V7 0 Smart Oled Led Lcd Tv Repair Tips Pdf Free

Symptom 2: Sound Present, No Video (The "Black Screen" Fault)

| Guide Section (Based on Preview) | Example of Key Information | | :--- | :--- | | | Instructions for accessing service menus and factory modes for dozens of brands including Acer, Dell, Funai, Haier, Hisense, LG, Olevia, Panasonic, Philips, Pioneer, Polaroid, RCA, Samsung, and many more. | | In-Depth Component Information | Extensive tables and lists of critical component part numbers, such as "COF P/N" (Chip on Film Part Numbers), and specific codes for driver chips (e.g., NT61228H-C6809A) and other essential parts, making cross-referencing and sourcing replacements significantly easier. | | Practical Repair Procedures | Step-by-step guides for performing alternative power supply self-tests and diagnosing boards with and without a 3.5V output pin, a common point of failure in modern power supply units. | | Bonus Schematic Diagrams | The most advanced versions of the guide include bonus interconnect schematic diagrams for various LG TV models, which are invaluable for tracing electrical pathways and understanding complex board relationships. | | Wide Applicability | As the name suggests, the guide's tips are applicable to OLED, LED, and LCD TV technologies, covering a vast range of modern televisions. |

: Contains updated (2021) lists for SMD 6-pin IC marking codes and equivalents, as well as a list of 133 inverter ICs for bypassing backlight protection. | Board | Common IC/Part | Replacement Code

: Detailed instructions on how to modify LED driver output current to protect and extend the life of LED backlight strips.

: Instructions on how to modify LED driver output current to extend the life of backlight LED strips and bypass inverter IC protection during troubleshooting.

Older models use CCFL (cold cathode fluorescent lamps) for backlighting. They are prone to inverter board failures and degraded power supply capacitors. 2. Safety First: Pre-Repair Checklist | | In-Depth Component Information | Extensive tables

: Updated lists (2021) for SMD 6-pin IC marking codes and their equivalents.

and wait at least 30 minutes for capacitors to discharge before opening the back panel. Work in a clean, dry area with non-conductive tools. Handle panels with extreme care to avoid cracking.

To check voltages (12V, 5V, 24V) on the power board.

Diodes from the same manufacturing batch have identical degradation rates.