We suggest that you read projector service manual first. Please make sure you know how to replace a DMD chip, and have proper tools on hand. The chip comes with a thermal pad only, no replacing instructions included. 

Compatible projector models: 

ViewSonic LS810
ViewSonic PA503W
ViewSonic PG603W
ViewSonic PG703W
ViewSonic PG800W
ViewSonic PJD5533W
ViewSonic PJD5553LWS
ViewSonic PJD5555W
ViewSonic PJD6531W
ViewSonic PJD6543W
ViewSonic PJD6550LW
ViewSonic PJD6551W
ViewSonic PJD6552LW
ViewSonic PJD6552LWS
ViewSonic PJD6553W
ViewSonic PJD6683W
ViewSonic PJD6683WS
ViewSonic PJD7526W
ViewSonic PJD7583W
ViewSonic PJD7583WI
ViewSonic PRO8520WL
ViewSonic PRO9520WL
ViewSonic PS501W
ViewSonic PS600W
ViewSonic PS700W
ViewSonic PS750W

Features 
  1. When you see white dots or bad pixels on screen after years of use, you're supposed to replace the DMD chip for the projector. 
  2. This DMD chip is for DLP projectors with 1280x800 pixels native resolution, measuring 32x22mm, mirror size 0.65", aspect ratio 16:10.  
  3. May come with one of these part numbers randomly: 1280-6038B, 1280-6039B, 1280-6138B, 1280-6139B, 1280-6238B, 1280-6239B, 1280-6338B, 1280-6339B, 1280-6434B, 1280-6438B, 1280-6439B, 1280-643AB. 
  4. Sealed in an antistatic bag, and packed with a thermal pad in a solid plastic case to avoid any damage during shipping; Remember to apply the thermal pad on the DMD Chip before installation but never touch the mirror surface. 
Notice: Make sure there's no obstacle between the remote control and projector when operating the device. 

Warranty: Refund available within 30 days, replacement available within 12 months from order date. 

Terms of Purchase  

1. Payment method 
 
Payments will be processed through PayPal. You can also use credit cards accepted by PayPal. Immediate payment is needed for any transactions.  

2. Shipping & Delivery 

Orders will be shipped out within 1 - 3 business days accordingly providing with a tracking number. The estimated delivery time and service carriers are listed as below: 

Australia 
 Standard: 7-15 Days, 
 Expedited: 3-7 Days; 

Canada 
 Standard: 7-19 Days, 
 Expedited: 3-7 Days; 

European Countries 
 Standard: 7-19 Days, 
 Expedited: 3-7 Days; 

United States 
Standard: 3-5 Days,
Expedited: 2-3 Days; 

Rest of the World 
Economy: 11-35 Days 
Expedited: 3-7 Days 

3. Return policies 

We accept returns or exchanges for unused or unopened items within 30 days of purchase date. 
Your return or exchange request will be fulfilled accordingly as following situations. 
(1) Damaged or defective items upon delivery: Return for refund or exchange, all extra shipping fees on us. 
(2) Wrong item received: Return for refund or exchange, all extra shipping fees on us. 
(3) Items you don't like or need: Return for refund, original and return shipping fees on buyer, 10% restocking fee of item's price will be charged. 
Please contact us via message as soon as possible if something wrong with your order(s). You may need to take pictures or videos of damaged or defective items if necessary. 

4. Feedback 

We expect you're fully satisfied and happy with every purchase with us. If you really are, please leave us a 5-star feedback for every transaction. Feel free to let us know when something isn't going very well on your order. We'll take on our responsibility and make the best effort to resolve the issue. Also we appreciate your patience and understanding on dealing with a problem of a transaction. Thank you.