Secondhand Plusmed XT-1 PAP Power Board

Objective AI Report

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Report date: 28.01.2026

Electronic Power Supply Circuit Board Analysis Report

Device Identification

The product analyzed in the visuals is an internal power board (Power Supply Unit – PSU) located within an electronic device, providing voltage regulation and power distribution. It has been identified as a Switched-Mode Power Supply (SMPS) circuit built on a green printed circuit board (PCB), with AC input and DC output components.

Brand and Model Information

The manufacturer brand of the product (such as Samsung, LG, Philips, etc.) is not clearly written in visible areas on the circuit board. Such boards are typically manufactured by OEM producers for use in various devices. However, technical part codes have been identified:

• PCB Reference Code: The code M-2916-Z is clearly legible on the board surface (front and back).
• Component Code (Coil): The copper-wound coil on the board has the label code HN 52-08817-Z.
• Production/Serial Code: The numbers 12650 are located on the left side of the back of the board.

Applications

This board is a power unit that reduces mains electricity to lower voltages (likely 5V, 12V, or 24V) that can be used by the device’s electronic components. Its form factor and connector structure are suitable for use as a spare part inside electronic devices such as printers, older monitors, medical devices, or industrial control units.

Quantity Information

The visuals show a total of 1 unit of electronic circuit board and a cable/socket assembly soldered to the board.

Electronic Component Analysis

The electronic components of the device have been examined in detail:

• Power Input Protection: On the left side of the board, there is a glass cylinder-shaped fuse with a rating of T3.15A 250V (3.15 Amperes, 250 Volts).
• Capacitors: A large black electrolytic capacitor used for main filtering is present. It has a red “CAUTION” label, indicating that it stores high voltage. Additionally, X2 type interference suppressor yellow box-type capacitors are present.
• Transformer: In the middle section, there is a transformer wrapped with yellow insulation tape, providing the main voltage conversion. It bears a “DANGER HIGH VOLTAGE” warning.
• Heatsinks: Two aluminum heatsink blocks are present to cool heated semiconductor components (MOSFETs or diodes).
• Coils: Copper-wound inductors are placed on the board for voltage filtering.

Cables and Accessories

At the output section of the board, there is a line consisting of red and black cables directly soldered to the circuit. At the end of the cable, there is a 3-pin (likely Molex type) white plastic female socket. The cable insulation appears intact, and the socket structure is clean.

Label Information and Warnings

Safety labels warning the user and technician are present on the device:

• Red Label (Above Capacitor): “CAUTION HAZARD OF SHOCK DISCONNECT SUPPLY BEFORE…” (Warning of electric shock hazard, disconnect power before intervention).
• Yellow/Red Label (Above Transformer): “DANGER HIGH VOLTAGE” text and lightning symbol.
• Component Label: The code HN 52-08817-Z is present on the coil.

General Condition and Originality

The board appears to be second-hand (reclaimed part). The production quality and soldering workmanship indicate that it is a mass-produced product conforming to industrial standards (Original OEM part). The solder points on the back surface are a mixture of factory-made machine soldering and manual finishes.

Physical Deformation and Cleanliness

The board’s condition is generally sound, but there are noticeable signs of use:

• Brown/yellow adhesive residues (silicone/mastic) are visible on the board, especially at the base of large capacitors and cable exit points. This is applied during manufacturing to prevent parts from vibrating but appears to have changed color over time due to heat.
• The PCB varnish on the back surface has dulled in places.
• There are no signs of slight oxidation on the metal heatsinks; they are in a clean condition.
• No physical breaks, cracks, or crushing have been detected.

Mechanical and Potential Failure Risk

During visual inspection, no burnt, burst, or swollen (defective) capacitors have been observed. There is no discoloration on the resistors due to overheating. Although the integrity of the fuse cannot be clearly ascertained visually, no blackening is visible inside the glass tube. In its current state, the physical condition of the board is at a usable level. Although the brown adhesives appear cosmetically poor, they do not directly impede electronic operation. However, the possibility of capacitor value degradation due to the age of electronic components is a potential risk applicable to every old electronic board.

Dimensions and Compatibility

The product in the visual has a compact structure, likely measuring 10-15 cm in length. Screw holes are located in the corners and conform to a standard mounting scheme.