Bdl51 Lad711p Rev 30 Schematic Work 💯
This article is for educational purposes. Always refer to manufacturer service data where available. Voltages and component locations may vary between production batches of REV 30.
| Component Label | Type | Typical Value | Failure Mode | Substitute | | :--- | :--- | :--- | :--- | :--- | | F801 | Fuse | T3.15A / 250V | Blown | Same rating, slow-blow | | IC601 (Standby) | VIPer22A | DIP-7 | Short from VDD to GND | VIPer22A (STMicro) | | R821, R822 | Startup resistors | 2 x 2.2MΩ (1/4W) | Open circuit (no 5VSB) | 2 x 2.2MΩ or 1 x 4.7MΩ/0.5W | | Q701 (LED MOSFET) | N-Channel | 8N60 (8A, 600V) | Drain-source short | 10N60, 12N60 | | R861, R862 | Sense resistors | 0.33Ω / 2W | Open or changed value | 0.33Ω, 0.27Ω, or 0.39Ω (keep pair matched) | | C801 (Main cap) | Electrolytic | 100µF 450V | Bulging, low capacitance | 120-150µF, 450V, 105°C | bdl51 lad711p rev 30 schematic work
Introduction In the world of consumer electronics repair, few things are as critical—or as elusive—as the correct schematic. For technicians working on modern LED/LCD televisions, the code BDL51 LAD711P REV 30 represents a specific, widely used power supply/LED driver board. This board is commonly found in a range of mid-size LED TVs (typically 32 to 43 inches) from brands like Sharp , Hisense , and various OEM-derived models. This article is for educational purposes
If you do not have the original schematic, reverse engineering is time-consuming but achievable by tracing the AC path, the standby power supply, and the feedback loops. Always cross-reference your findings with generic LAD711P application notes, as their core topology changes little between revisions. | Component Label | Type | Typical Value
