Adjusting the time on an Alpine CDE-9852

1. In the Clock priority mode, press and holdTITLE for at least 2 seconds while the time is displayed.The time indication will blink.
2. Turn the Rotary encoder CDE-9846 only) or press "up" and "down" (CDE-9842 only) to adjust the hours while the time indication is blinking.
3. When the hour has been adjusted, press the Rotary encoder (CDE-9846 only) or press MODE (CDE-9842 only).
4. Turn the Rotary encoder (CDE-9846 only) or press "up" and "down" (CDE-9842 only) to adjust the minutes while the time indication is blinking.
5. The time is automatically set 5 seconds after the minute adjustment.
6. The time can also be manually set by pressing the Rotary encoder (CDE-9846 only) or press MODE (CDE-9842 only).

Download Alpine CDE 9842 Manual

Here is the info how to reset the time and here is the link to the manual if you need it. This is directly from alpine manual

Setting Time

1 Press TITLE repeatedly until the time is displayed.

For details, see "Displaying the Text" (page 13)

2 Press and hold TITLE for at least 2 seconds while

the time is displayed.

The time indication will blink.

3 Turn the Rotary encoder to adjust the hours while

the time indication is blinking.

4 When the hour has been adjusted, press MODE.

5 Turn the Rotary encoder to adjust the minutes

while the time indication is blinking.

The time is automatically set 5 seconds after the minute

adjustment. The time can also be manually set by pressing TITLE.

• To synchronize the clock to another clock/watch or radio time

announcement, press and hold MODE for at least 2 seconds after

setting the "hour." Minutes will reset to "00". If the display shows
over "30" minutes when you do this, the time will advance one hour.

Try eBay: http://www.ebay.com/bhp/alpine-ipod-cable
or Amazon for specific cables

its the fuse behind your deck( Alpine unit has its own fuse) YOU WILL NEED to remove your deck to access this fuse

Page 15 under Visual Customization .
http://vault.alpine-usa.com/products/documents/OM%20CDE-9852.PDF

Once you get the time blinking it is buttons 5 (hour) and 6 (min) that adjust the time.
These are channel buttons on the far right: they are green and are on the bottom edge.

push title button til time comes up, then push and hold title button again til time flashes, when it does you can turn the dial til time you want comes up,then hit mode button below dail to switch to minutes , then repeat

probably the mode you are in, there is a mode for auxillary amplifier that disables the internal pa, in the aux amp mode you won't hear anything.
slonis

Page 16 of the manual:
http://vault.alpine-usa.com/products/documents/CDE-9841,%2043,%2045%20OM.PDF

Setting Time
1 In the Clock priority mode, press and hold
TITLE for at least 2 seconds while the time is
displayed.
The time indication will blink.
2 Turn the Rotary encoder (CDE-9845/CDE-9843
only) or press 4 and 3 (CDE-9841 only) to adjust
the hours while the time indication is blinking.
3 When the hour has been adjusted, press the
Rotary encoder (CDE-9845/CDE-9843 only) or
press MODE (CDE-9841 only).
4 Turn the Rotary encoder (CDE-9845/CDE-9843
only) or press 4 and 3 (CDE-9841 only) to adjust
the minutes while the time indication is blinking.
The time is automatically set 5 seconds after the minute
adjustment. The time can also be manually set by
pressing the Rotary encoder (CDE-9845/CDE-9843 only)
or press MODE (CDE-9841 only).
• To synchronize the clock to another clock/watch or radio time
announcement, press and hold the Rotary encoder (CDE-9845/
CDE-9843 only) or press and hold MODE (CDE-9841 only) for at
least 2 seconds after setting the “hour.” Minutes will reset to 00. If
the display shows over “30” minutes when you do this, the time
will advance one hour.

try to chek the regulator or replace it and install a heatsink for him