wrote in message
...

NB: There is no bridges across the IC pins.

1. The new chip is defective. --or--
2. This problem existed before you replaced the chip. --or--
3. You damaged something when you removed the old chip or soldered in the
new one. --or--
4. There really is a solder bridge across two of the IC pins (or elsewhere).

Always keep in mind what Sherlock Holmes said.