Sony 1-474-327-11 DPS-77-CH-G7 Power Supply / Board

Location: 00o5

This tested replacement power supply / board assembly is compatible with Sony XBR-55HX929 and restores power regulation, video and input processing when the original unit fails.

Part & Board Numbers

• Part Number: 1-474-327-11
• Board / Printed Numbers (may appear on board):
  • DPS-77-CH-G7
  • 1-474-327-11

Please verify the part/board number on your original unit. The same TV model may use different revisions, despite identical model numbers.

Compatible TV Model

This power supply / board assembly is known to fit:

• Sony XBR-55HX929

Common Symptoms of a Bad Power Supply / Board

• TV won’t power on or the standby light blinks
• TV powers on but shuts off immediately or reboots continuously
• No picture even though TV appears to be powering up
• Random shutdowns, flickering, or unstable power behavior

Note: Other components may also cause similar symptoms — proper diagnosis recommended before ordering.

Installation & Handling Notes

• Completely unplug the TV and let capacitors discharge before servicing.
• Use anti-static precautions (ESD) when handling the board.
• Ensure all connectors (power board, harnesses) are fully seated and aligned.
• Do not force connectors — they should click or seat smoothly.

Condition & Testing

• Professionally inspected and tested for proper functionality.
• Guaranteed working replacement for the listed part/board numbers.

Warranty & Returns

• Warranty: 180-Day Warranty from our facility in Brighton, TN.
• Returns accepted only if unit is unmodified, undamaged, and properly installed.
• Please keep your original board until installation is verified successful.

Shipping

• Ships from our facility in Brighton, TN.
• Securely packaged to protect the board during transit.
• Expedited shipping options available at checkout.

If you’re uncertain this is the correct part for your TV, contact us before ordering — we’d be glad to help confirm compatibility.