– This is a Safety and Flammability Certification . "94V-0" is a top-level flammability rating from the UL-94 standard. It signifies that the board material, like flame-retardant FR-4, will self-extinguish within 10 seconds after an ignition source is removed. It's a hallmark of a high-quality, safety-tested board.
The alphanumeric sequence HSB J MV-6 94V-0 E89382 refers to a laptop motherboard manufactured by HannStar Board Corp , a major Taiwanese electronics producer
Finding a verified schematic for a specific PCB like the can be challenging because these markings often refer to the board's manufacturer and safety standards rather than the specific model of the device. 🔍 Understanding the Codes
Some websites act as large indexes for service manuals. While they may not have your specific MV-6 board, they are a good place to check.
: Always start on page 1 or 2 to understand the bus layouts (PCIe, I2C, SMBus) and how the chipsets communicate.
A certification code for HannStar’s PCB manufacturing process.
This rail goes live immediately when the power supply is plugged in. It feeds the Super I/O chip and the PCH power management block.
: Locate the +3.3V and +5V inductors (coils). Measure their resistance to ground using a multimeter in diode or resistance mode. A reading below 10 Ohms indicates a shorted component on that rail. Symptom 2: Short Circuit on the Main Rail (VIN / B+)
HP Pavilion dv7-6130sb - Core i5 2410M / 2.3 GHz - Win 7 Home Premium 64-bit - 6 GB Ram - 640 GB HDD - DVD SuperMulti - 17.3" HD+ BrightView 1600 x 900 (hd+) - Radeon HD 6490M - Steel Gray Metallic - kbd: AZERTY Belgium $438.77(USD 313.50) Go to product viewer dialog for this item. Specifically mentioned in listings for the MV-6 variant. Sony VAIO (MBX-196) HSB J MV-6