LONDON, Nov 14 (Reuters) - The dollar extended its recent losses to three-week lows on the euro on Friday and neared a recent three-year trough versus the yen as investors braced for a slew of U.S. data for clues about the strength of recovery.

U.S. retail sales, industrial production and consumer sentiment are due later in the day.

The greenback has taken a beating this week as growing unrest in Iraq, trade tensions and lacklustre data fuelled concerns about the U.S. twin deficits and led investors to scale back dollar positions after a strong two-week rally.

U.S. equity markets have had a bumpy week and failed to make new highs, adding to dollar woes.

"The market is undecided and not committed to one view or another, but structural and cyclical factors continue to affect the dollar," said Stephen Jen, chief currency economist at Morgan Stanley.

"We`ve had a slight change in sentiment for the U.S. since last week. There is distinct deterioration in how the U.S. is expected to perform in months ahead and there is a view that growth now is borrowed from the future. (Data this week) also reminded people of U.S. financing problems."

By 1235 GMT, the dollar had fallen half a percent on the day to $1.1799 per euro , within 1-1/2 cents of a record low set earlier this year.

Against the yen it had fallen to 107.99 , within striking distance of a three-year low set earlier this month.