| Model | Input Voltage | Output Rating | Zero-Crossing | Key Difference | |-------|---------------|---------------|---------------|------------------| | | 3–32 VDC | 9 A @ 280 VAC | Yes | Baseline | | SSR-40DA | 3–32 VDC | 40 A @ 380 VAC | No | Higher current, larger package | | AQH2223 | 1.2 V (LED) | 0.9 A @ 600 V | Yes | Low current, surface mount | | FOTEK SSR-10 | 3–32 VDC | 10 A @ 240 V | Yes | Nearly identical, wider availability | | Crydom D2425 | 3–32 VDC | 25 A @ 280 V | Yes | Premium, higher cost |
The GYD-9E is a universal or replacement constant-current power supply board designed to drive LED strips in 11" to 20" LCD monitors and televisions. It is frequently used in repair scenarios where the original internal backlight driver has failed. Key Specifications Application: LED Backlight Power Supply (Tira LED TV LCD) Supported Screen Sizes: 11 to 20 inches Input Voltage: Typically operates around +15V DC Major Components:
Disconnect and completely remove the high-voltage CCFL transformers and the old inverter board. If it is an integrated power board, cut the tracks leading to the high-voltage transformer section. gyd-9e datasheet
The activation pin. It triggers the onboard controller. A logical low state (0V) keeps the driver off, while a logical high state (3.3V to 5V) turns the backlight on.
To read data from the GYD-9E, connect it to an Arduino Uno: | Model | Input Voltage | Output Rating
, I can explain typical parameters such as:
: To provide a stable constant current/voltage output from a standard TV power supply to an LED strip. II. Hardware Specifications Physical Dimensions : Approximately Core Componentry If it is an integrated power board, cut
Includes an ON/OFF pin for power management via a 3.3V-5V control signal. Installation and Operating Instructions
Toggles the backlight circuit. High logic level (3.3V to 5V) turns the backlight ON; Low logic level (0V to 2.5V) forces the circuit OFF.
The GYD-9E is typically classified as an or a high-precision 9-axis motion tracker. It differs from standard 6-axis IMUs by including a magnetometer, allowing for absolute orientation detection relative to the Earth's magnetic field.