Ya-4a194v-0 Motherboard Schematic _top_ (Chrome)
While the specific chipset depends on the device (laptop vs. TV), boards using this identifier typically feature: Processor Support
Finding a precise schematic for a generic board like this can be challenging.
If you measure 0V, check the enable ( EN ) signals going into the IC from the Super I/O chip. Step 3: Check for Short Circuits to Ground
Often contains uploaded PDF versions of the "TMT Ya-4a 1 94v-0 Esquema".
Often printed in white silk-screen on the PCB: "TMT YA-4A1 94V-0 E114139". ya-4a194v-0 motherboard schematic
Common to the Asus X200MA (and variations like KX265D).
Finding a reliable schematic for a specific motherboard can feel like searching for a needle in a haystack. If you are dealing with a board marked , you are likely looking at a component manufactured by HannStar (often indicated by the "94V-0" UL flame rating and "YA-4" manufacturer code) used across various consumer electronics, most notably laptop lines like ASUS, Acer, or HP.
: Detailed schematics and boardview files (often labeled as "TMT YA-4A 1 94V-0") are available on technical document platforms like Scribd and specialist BIOS/schematic sites like GeekDais .
Look for 5-digit codes followed by a year or project name (e.g., 15256-1 or 48.4X802.011 ). While the specific chipset depends on the device (laptop vs
In addition to the PDF schematic, a is highly recommended. Boardview software allows you to visualize the physical location of components on the YA-4A194V-0 board, whereas the schematic only shows the theoretical connection. 5. Troubleshooting Steps using the Schematic Check 19V: Verify 19V exists at the input capacitors.
What is the this motherboard belongs to?
Usually found in legacy or budget Intel Celeron/Pentium laptops (e.g., Pine Trail or Bay Trail platforms).
: This board revision is also found in the mainboards of certain Toshiba flat-screen TVs, such as the 32W2353RB Mainboard . Step 3: Check for Short Circuits to Ground
The schematic will show a switching regulator (PWM IC) that converts the main input to system standby voltages. Standby/Standby-on: Enabling the embedded controller (EC).
Typically manufactured for ODM partners (often associated with TMT or older Exo laptop models).
YA-4A 194V-0 │ │ │ └─► UL Flammability Standard (Safety Certification) └───────► Manufacturer Code / Factory Identifier