Nvidia GeForce GTX 1650/1660/1660 Ti/Super Schematic & Board View
A complete technical guide including schematics and Board View for the Nvidia GeForce GTX 1650, GTX 1660, and GTX 1660Ti graphics cards. The documentation covers the PCB layout, component layout, power supply, GPU, VRAM, chokes, and control chips. Ideal for diagnostics, repair, and training of electronics repair professionals. Engineers and service centers will find here all the information they need to work deeply with mid-range Turing series graphics cards.
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Typical faults of Nvidia GeForce GTX 1650/1660/1660 Ti
🔧 1. Overheating
Symptoms:
Increased fan noise
Throttling (frequency reduction under load)
Artifacts, freezes, sudden shutdowns
Causes:
Clogged radiator, worn thermal paste
Poor case ventilation
Defective thermal pads on memory chips or VRM
Solutions:
Cleaning the cooling system
Replacing thermal paste and thermal pads
Improving airflow in the case
⚡ 2. Power issues
Symptoms:
Does not turn on / no image
Shutdown under load
Driver error "NVIDIA driver stopped responding"
Causes:
Faulty capacitors or chokes
Damaged power supply circuits (VRM)
Insufficient or unstable PSU
Solutions:
Checking the power supply on the board (multimeter)
Replacing VRM components
Checking / replacing the power supply
💻 3. Memory problems (VRAM errors)
Symptoms:
Artifacts on the screen
Image distortions, "green squares"
Freezing in games
Causes:
Video memory overheating
Damaged GDDR5 / GDDR6 chips
Mechanical damage to the solder
Solutions:
Warming up / reballing the chips (in the workshop)
Replacing the memory chips (requires equipment)
🧠 4. BIOS / firmware failures
Symptoms:
Does not turn on, black screen
Errors during UEFI / BIOS initialization
Problems after unsuccessful overclocking
Solutions:
Reflashing the video card (via NVFlash)
Recovery backup of the original BIOS
🧲 5. Physical damage
Symptoms:
Not detected by the system
Errors during driver installation
Torn or damaged tracks
Causes:
Careless dismantling
Liquid ingress
Transport damage
Solutions:
Visual inspection under a microscope
Repair tracks / soldering chips
📉 6. Aging components
GTX 1650/1660/1660 Ti are still relatively fresh, but:
Elements such as MOSFETs or chokes may fail
Often detected after 2-3 years of active use