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GE Dash1800 Patient Monitor DC2DC Board AAMBL1 2023160-001 2023698-001 Monitor DC2DC board,
■ Product Describe
GE Dash1800 Patient Monitor DC2DC Board AAMBL1 2023160-001 2023698-001 is one of the core circuit boards of the monitor and is a DC-DC power conversion module. The function of this circuit board is to convert the 12V DC output of the original motherboard into multiple low-voltage (5V, 3.3V, ±8V, etc.) DC required by each module inside the monitor.
Through the DC-DC isolation circuit, the ground interference between the motherboard and the sensor is prevented, and the ECG/SpO₂ and other signals are ensured to be pure, which has the function of isolation protection. This power board shares the pressure of current distribution for the main power board and assumes the responsibility of power distribution between modules. This circuit board has a variety of application scenarios, such as multi-module power supply, providing independent regulated power supply for electrocardiogram module (ECG), blood oxygen module (SpO₂), display backlight, etc.; anti-interference requirements, in high-interference complex environment (operating room), it can isolate power supply noise and avoid signal distortion; low power mode, shut down non-essential voltage output (such as shutting down backlight power supply) in standby mode to extend battery life.
■ Features
1. Voltage conversion
Convert external input voltage (such as 12V DC or battery voltage) into multiple isolated DC outputs (such as +5V, ±12V, 3.3V, etc.).
2. Seamless switching
Supports seamless switching between AC adapter and battery power supply, with a switching time of less than 1s, to prevent the interruption of the monitoring process caused by power failure of the monitor.
3. Safe power supply
The circuit board has built-in overvoltage, overcurrent, and short-circuit protection functions, which meet the safety standards of medical equipment.
4. Signal isolation
Reduce the interference of power supply noise on sensitive medical signals (such as ECG and blood oxygen) through isolation circuits.
■ Product Pictures
■ Product Specification
| Product Name | DC2DC Board |
| Product Model | AAMBL1 2023160-001 2023698-001 |
| Input voltage range | 10V ~ 30V DC |
| Output voltage | Multiple outputs (+5V, ±12V, 3.3V) |
| Efficiency | ≥85% (high efficiency conversion, reduced heat generation) |
| Protection function | OVP,OCP,SCP |
| Condition | Used-Good |
| Warranty | 90 Days |
| Color | Green |
■ FAQ
Q1: The monitor cannot be turned on after replacing the DC/DC board
A1: Check whether the power input is normal; check whether each interface is connected correctly; check whether there is any fault in the card.
Q2: Is it normal for the DC/DC board to heat up severely?
A2: It is normal for the power board to heat up slightly during operation. If it is abnormally hot, it needs to be stopped for inspection to avoid secondary damage caused by long-term overheating. Abnormal heating may be caused by: poor heat dissipation, short circuit or overload at the output end, damage to board components, etc.
Q3: The monitor displays the "power failure" alarm. How to determine whether it is a DC/DC board problem?
A3: You need to follow the steps below to check one by one
1. Test the battery/adapter: Use the battery or adapter alone to power it and observe whether the alarm persists.
2. Measure the output voltage: Use a multimeter to check whether the voltage of each output end of the DC/DC board (such as +5V, ±12V) is within the nominal value ±5%.
If other power components are normal and the output voltage is abnormal, the DC/DC board may be faulty.
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