Internal Photographs and Component Identification

Photo 1: Disassembled Main Unit Components

Depicts the main internal components of the air purifier after disassembly. Visible parts include:

• A large black air intake grille/filter.
• A separate filter frame.
• The main internal housing containing a fan assembly.
• A white component with a fine mesh grid.

Photo 2: Rear View of Main Unit and Casing

Shows the rear of the main internal housing, revealing the large fan and motor. The disassembled outer casing is also visible.

Photo 3: Front Grille Assembly with Icons

Features the front outer grille assembly. It includes the "TCL" logo and several indicator icons:

• Wi-Fi indicator (?)
• Power indicator (⚡)
• Mode indicators (e.g., ?, ❄️, ☀️)
• Fan speed indicator (?️)
• Other potential indicators (e.g., ⏰)

Photo 4: Underside of Front Grille Assembly

Reveals the underside of the front grille assembly, showing a printed circuit board (PCB) with electronic components, connectors, and wiring.

Photo 5: Front Grille Assembly and Mesh Filter

Another view of the front grille assembly, accompanied by a separate black mesh filter.

Photo 6: Control/Interface PCB

A close-up of a PCB, likely part of the control interface or main board. It displays numerous surface-mount components, connectors, and integrated circuits. Labeled "Made in China".

Photo 7: Component with Circular Connectors

A black component featuring multiple circular connectors, potentially for power or sensor connections.

Photo 8: PCB with Model Number

A PCB with various chips, connectors, and labels. A prominent label reads "VK-6123UH MAN V1.2".

Photo 9: Wireless Communication Module

A small wireless communication module with a QR code. Key text labels include:

• "WL6QR1500 K2"
• "32001-000322"
• "F0A3B29DCB35"
• "2103061150000"
• "CMIIT ID:2020DP0164"
• "惠州高盛达科技有限公司" (Huizhou Gaoshengda Technology Co., Ltd.)

Photo 10: Enclosed Rectangular Component

A black, rectangular, enclosed component with a latch mechanism on one side.

Photo 11: Enclosed Rectangular Component (Alternate View)

Another view of the black, rectangular, enclosed component.

Photo 12: Power Supply Unit (PSU) PCB

A power supply unit (PSU) PCB with the following specifications:

• "Switching power supply"
• "Model no.: OP-8470"
• "Input: 100-120Vac 50/60Hz 1.5A"
• "Output: 12Vdc 0.1A 5.0Vdc 1.0A"
• Also labeled "PCB-847H REU2" and fuse information.

Photo 13: Power Supply Unit (PSU) PCB (Detailed View)

A more detailed view of the power supply unit (PSU) PCB, showing capacitors, transformers, and other electronic components.

Photo 14: Main Housing with Fan Assembly

The main internal housing of the air purifier, featuring the large fan assembly, motor, and associated wiring.

Photo 15: Component with "LUFTMY" Label

A small component with attached wires, featuring a label that includes "LUFTMY".

Photo 16: Close-up of "LUFTMY" Component

A close-up view of the "LUFTMY" component. It includes a QR code and text labels:

• "LD15"
• "413A1050"
• "0501001145"

Photo 17: "LUFTMY" Component (Alternate View)

Another view of the "LUFTMY" component.

Photo 18: Small PCB with QR Code

A small printed circuit board (PCB) featuring a QR code and a connector.

Photo 19: PCB with Integrated Circuits

A close-up of a PCB with integrated circuits. Labels include "MS-UOC-U4", "DA CK GD 50", and communication pins (TX, RX, GND, VCC, DA).

Photo 20: Main Housing with Fan Assembly and Internal Structure

The main internal housing with the fan assembly, showing internal structure and wiring.

Photo 21: Main Housing with Fan Assembly (Alternate View)

Another view of the main internal housing with the fan assembly.

Photo 22: Small Black Box with Wires

A small black box with attached wires, similar to the component shown in Photo 10.

Photo 23: Main Housing, Fan Impeller, and Bracket

The main internal housing with the fan assembly, a separate fan impeller, and a metal bracket.

Photo 24: Motor Component

A motor component, possibly a stepper motor or DC motor. Labeled "5083", "24".

Photo 25: Motor Component (Alternate View)

Another view of a motor component, labeled "38 2791".

Photo 26: Nidec Brushless DC Motor

A brushless DC motor manufactured by Nidec. Key specifications and labels include:

• Manufacturer: "Nidec", "日本电产芝浦(浙江)有限公司" (Nidec (Zhejiang) Co., Ltd.)
• Type: "直流无刷电动机" (Brushless DC Motor)
• Model: "SIC-36CS-F142-1"
• Electrical Specs: "DC310V", "8P 42W"
• Speed: "1670r/min"
• Insulation Class: "E级" (Class E)
• Wiring: "Vm 红" (Red), "GND 黑" (Black), "Vcc 白" (White), "PG 蓝" (Blue), "Vsp 黄" (Yellow)
• Indicates "转向" (Direction).

Photo 27: PCB with Antenna

A close-up of a PCB featuring an antenna (labeled "ANT"). Visible components and labels include:

• Connectors: J7, J9, J10
• Labels: "3.3V", "+6V", "GND", "A RXD", "TXD"
• Other components like chips and resistors.

Photo 28: PCB with RTL8720CE Chip

A close-up of a PCB showing the main chip labeled "RTL8720CE", "K9100H1", "GK46H2". Other components include "H401A" and "3.3V" labels.