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:
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.
