: Most devices using this board support DVB-S2, H.264 video compression, and basic network apps like YouTube or Weather (via USB Wi-Fi).
| Feature | Specification | | :--- | :--- | | | DVBS-EVB-KD1100HD-V1.1 | | Processor | Common: Ali M3602 / M3606 chipset | | Tuner Type | DVB-S / DVB-S2 (HD) | | Common Brand Examples | Gaintec Sat GS 500, Star Track 55X HD | | Original Software | Common base: gs_v2.0, SKN_S1_V2.0 | | Loader Version | Original: v0004 (Main) / v0013 (Sub) | | Firmware Update | Via USB (channel lists) / RS-232 Serial (system) | | Connectivity | HDMI, USB 2.0, RS-232 | | Max Resolution | 1080p / 1080i (Full HD) |
| Header | Pin | Signal | Notes | |--------|-----|--------------|---------------------------| | J1 | 1 | +3.3V | Main logic supply | | | 2 | GND | | | | 3 | SCL | I2C clock (tuner/demod) | | | 4 | SDA | I2C data | | | 5 | TS_CLK | Transport stream clock | | | 6 | TS_VALID | TS valid/sync | | | 7-14 | TS_DATA[0..7]| Parallel TS data | | J2 | 1 | LNB_EN | LNB power control | | | 2 | LNB_VOLT | 13/18V LNB out (external) | | | 3 | RESET_N | Demod reset (active low) | | | 4 | GPIO/IRQ | Interrupt to host |
At the physical center of the motherboard sits a highly integrated SoC. This processor is responsible for decoding incoming TS (Transport Streams), running the on-screen user interface (OSD), and handling security decryption (conditional access systems or BISS keys). 2. Tuner and Demodulator Block
A device with this motherboard was built to handle a massive amount of data:
: Exposed pins providing low-level serial communication and boundary-scan debugging infrastructure for developers looking to unbrick or rewrite corrupted flash memory. Firmware, Programming, and Troubleshooting
The SPI Flash chip must be desoldered or hooked up to an IC test clip.
These resources are typically available through the OEM/ODM (Original Equipment Manufacturer) who produced the board.
Typically equipped with a 4MB or 8MB serial NOR flash chip (e.g., Winbond or Macronix). This tiny non-volatile memory holds the bootloader, compressed Linux or RTOS kernel, system settings, and channel lists.
A “V1.1” revision often addresses errata: for example, fixing LNB voltage ripple (13/18V switching) or adding pull-ups on I²C lines for the EEPROM storing calibration data.
This usually indicates corrupted flash memory. You will likely need a USB-to-TTL (RS232) adapter to reload the firmware via a serial console.
: Designed to decode and output 1080p Full HD video signals via HDMI. DVB-S/S2 Compatibility
: Usually two ports for Wi-Fi dongles (MT7601 or RT5370 chipsets) and PVR (Personal Video Recording) functions.
Measure voltage across the LNB coaxial connector while switching between Horizontal and Vertical channels. Corrupted SPI Flash memory data.
: Used for local firmware flashing, media playback testing, and log extraction.
Mainboard Pads USB-to-TTL Adapter ┌────────────────┐ ┌────────────────────┐ │ GND │◄───────────►│ GND │ │ TX │◄───────────►│ RX │ │ RX │◄───────────►│ TX │ │ 3.3V (NC) │ │ (Do Not Connect) │ └────────────────┘ └────────────────────┘ Connecting via TTL-to-USB Adapter
Understanding this motherboard blueprint is critical for embedded engineers, satellite technicians, and custom firmware developers seeking to repair, flash, or repurpose these common hardware modules. Anatomy of the Model Number
: Host controller used for locally running media playback, operational logs storage, and sideloading firmware updates via storage drives.
The board serves as the complete engine room for an HD satellite receiver. It handles everything from raw RF (Radio Frequency) satellite input signals to the output of multi-channel digital audio and 1080p high-definition video.
: Most devices using this board support DVB-S2, H.264 video compression, and basic network apps like YouTube or Weather (via USB Wi-Fi).
| Feature | Specification | | :--- | :--- | | | DVBS-EVB-KD1100HD-V1.1 | | Processor | Common: Ali M3602 / M3606 chipset | | Tuner Type | DVB-S / DVB-S2 (HD) | | Common Brand Examples | Gaintec Sat GS 500, Star Track 55X HD | | Original Software | Common base: gs_v2.0, SKN_S1_V2.0 | | Loader Version | Original: v0004 (Main) / v0013 (Sub) | | Firmware Update | Via USB (channel lists) / RS-232 Serial (system) | | Connectivity | HDMI, USB 2.0, RS-232 | | Max Resolution | 1080p / 1080i (Full HD) |
| Header | Pin | Signal | Notes | |--------|-----|--------------|---------------------------| | J1 | 1 | +3.3V | Main logic supply | | | 2 | GND | | | | 3 | SCL | I2C clock (tuner/demod) | | | 4 | SDA | I2C data | | | 5 | TS_CLK | Transport stream clock | | | 6 | TS_VALID | TS valid/sync | | | 7-14 | TS_DATA[0..7]| Parallel TS data | | J2 | 1 | LNB_EN | LNB power control | | | 2 | LNB_VOLT | 13/18V LNB out (external) | | | 3 | RESET_N | Demod reset (active low) | | | 4 | GPIO/IRQ | Interrupt to host |
At the physical center of the motherboard sits a highly integrated SoC. This processor is responsible for decoding incoming TS (Transport Streams), running the on-screen user interface (OSD), and handling security decryption (conditional access systems or BISS keys). 2. Tuner and Demodulator Block
A device with this motherboard was built to handle a massive amount of data: dvbs-evb-kd1100hd-v1.1
: Exposed pins providing low-level serial communication and boundary-scan debugging infrastructure for developers looking to unbrick or rewrite corrupted flash memory. Firmware, Programming, and Troubleshooting
The SPI Flash chip must be desoldered or hooked up to an IC test clip.
These resources are typically available through the OEM/ODM (Original Equipment Manufacturer) who produced the board.
Typically equipped with a 4MB or 8MB serial NOR flash chip (e.g., Winbond or Macronix). This tiny non-volatile memory holds the bootloader, compressed Linux or RTOS kernel, system settings, and channel lists. : Most devices using this board support DVB-S2, H
A “V1.1” revision often addresses errata: for example, fixing LNB voltage ripple (13/18V switching) or adding pull-ups on I²C lines for the EEPROM storing calibration data.
This usually indicates corrupted flash memory. You will likely need a USB-to-TTL (RS232) adapter to reload the firmware via a serial console.
: Designed to decode and output 1080p Full HD video signals via HDMI. DVB-S/S2 Compatibility
: Usually two ports for Wi-Fi dongles (MT7601 or RT5370 chipsets) and PVR (Personal Video Recording) functions. These resources are typically available through the OEM/ODM
Measure voltage across the LNB coaxial connector while switching between Horizontal and Vertical channels. Corrupted SPI Flash memory data.
: Used for local firmware flashing, media playback testing, and log extraction.
Mainboard Pads USB-to-TTL Adapter ┌────────────────┐ ┌────────────────────┐ │ GND │◄───────────►│ GND │ │ TX │◄───────────►│ RX │ │ RX │◄───────────►│ TX │ │ 3.3V (NC) │ │ (Do Not Connect) │ └────────────────┘ └────────────────────┘ Connecting via TTL-to-USB Adapter
Understanding this motherboard blueprint is critical for embedded engineers, satellite technicians, and custom firmware developers seeking to repair, flash, or repurpose these common hardware modules. Anatomy of the Model Number
: Host controller used for locally running media playback, operational logs storage, and sideloading firmware updates via storage drives.
The board serves as the complete engine room for an HD satellite receiver. It handles everything from raw RF (Radio Frequency) satellite input signals to the output of multi-channel digital audio and 1080p high-definition video.
