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STD led tv backlight tester
led tv backlight tester
License
Public Domain
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Update time：
2022-03-27 17:46:03
Creation time：
2019-02-09 17:09:37
Description
Description
this is a simple circuit to check the led bars-arrays of a led tv.
video of this project using it here https://www.youtube.com/watch?v=UOwRbMcr_Zg&t=1s
visit and subscribe to my youtube channel for project videos and more
[https://www.youtube.com/channel/UCsQNMn53cmuXmbLP1VFXAow]()
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Header-Male-2.54_1x1 | -,P1,P3 | HDR-1X1/2.54 | 3 |
| 2 | 3.9nf | C1 | RAD-0.1 | 1 |
| 3 | 10n | C2 | RAD-0.1 | 1 |
| 4 | 220uf/16v | C3 | CAP-D3.0XF1.5 | 1 |
| 5 | 4.7UF/250V | C4 | CAP-D3.0XF1.5 | 1 |
| 6 | 10uf/16v | C5,C6 | CAP-D3.0XF1.5 | 2 |
| 7 | 100nf | C7,C8 | RAD-0.1 | 2 |
| 8 | 1N4148 | D1 | DO-35 | 1 |
| 9 | BA157 | D2 | DO-41 | 1 |
| 10 | 2.4 volt zener | D3 | DO-15 | 1 |
| 11 | 100uH | L1 | IND-10X12XP6 | 1 |
| 12 | OUT 3V | P2 | HDR-1X1/2.54 | 1 |
| 13 | 2N5401 | Q1 | TO-92(TO-92-3) | 1 |
| 14 | IRF630 | Q2 | TO-220 | 1 |
| 15 | 0.2ohm | R1 | AXIAL-0.3 | 1 |
| 16 | 1k | R2,R10 | AXIAL-0.3 | 2 |
| 17 | 470K | R3 | AXIAL-0.3 | 1 |
| 18 | 10K | R4 | AXIAL-0.3 | 1 |
| 19 | 3.9k | R5 | AXIAL-0.3 | 1 |
| 20 | 3.9K | R6 | AXIAL-0.3 | 1 |
| 21 | 470ohm | R7 | AXIAL-0.3 | 1 |
| 22 | 1K | R8 | RES-ADJ_3386P | 1 |
| 23 | 560ohm | R9 | AXIAL-0.3 | 1 |
| 24 | 5k | R11 | RES-ADJ_3386P | 1 |
| 25 | 100ohm/5w | R12 | AXIAL-0.3 | 1 |
| 26 | 4.7k | R13 | AXIAL-0.3 | 1 |
| 27 | 2.2k | R14 | AXIAL-0.3 | 1 |
| 28 | Toggle SwitchesSK-12F14 G5 | SW1,SW2 | SK-12F14-G | 2 |
| 29 | MC34063 | U1 | DIP-8 | 1 |
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