Question about Pioneer DEH-P690UB CD Player
Hi there, i have the above stereo and am having problem tuning to certain stations. i can tune odd frequency stations such as 98.1 or 102.7 but can seem to tune to a even number station such as 104.2 or 102.2. it seems to only scan odd numbers. jumps from 98.1 to 98.3 and doesnt pick up 98.2. i have set it to LOC off and tested with all 4 levels available and still no joy!!!! coul dyou please HELP as i cant listne to my favourite stations and cant get traffic reports every morning ;(
Pioneer have factory set your DEH-P690UB to 0.2Mhz steps to match the American FM frequency allocations. The fix is not casual as it requires complete disassembly of the head unit and repositioning of two surface mount resistors. This will void any warrantee and unless you're good at microscopic soldering could also ruin the set. I did however void my 2 year warrantee yesterday partly out of frustration and because I have the right SMT tools at work. Now my tuner CPU thinks it's in the Austrailian/Asian model DEH-P7950UB and is also compatible with UK stations. A previously hidden menu is also available where I can set either 0.1 or 0.05Mhz stepping for FM and 9 or 10KHz for AM BSM scanning. The rotary control now steps in 0.05's instead of odd 0.2's on FM Hope this helps.
Posted on Sep 21, 2007
Pioneer DEH-7950UB can only support hard drives which draws current of 500mA Maximum. If your hard drive consumes more than that, it will not read the HD. However, external HDs have power adapters to compensate the power needed.
Posted on Feb 06, 2008
I have Pioneer DEH-P7950UB and its cant support 120GB wd Hard drive. I saw on internet its support 250GB other china make support this USB why its not supporting as pioneer specification
Posted on Nov 06, 2007
Look for a small switch on the side or top or bottom or back of the unit that will switch the frequency "jumps". You will have to pull the radio out of the dash in order to see the switch and they are usually behind a small rectangular hole and do not protrude outside the case of the unit. If you have an owners manual it will tell you exactly where this switch is. Good luck.
Posted on Aug 24, 2007
Tips for a great answer:
Using the tuner
Listening to the radio
The following steps show you how to tune in to FM and
AM radio broadcasts using the automatic (search) and
manual (step) tuning functions. If you already know the
frequency of the station you want, see Tuning directly to a
station below. Once you are tuned to a station you can
memorize the frequency for recall later-see Saving
station presets below for more on how to do this.
1 Press the FM/AM button to select the tuner.
2 Use the FM/AM button to change the band (FM or
AM), if necessary.
Each press switches the band between FM and AM.
3 Tune to a station.
There are three ways to do this:
To search for stations in the currently selected band,
press and hold TUNE ?©/?? for about a second. The
receiver will start searching for the next station,
stopping when it has found one. Repeat to search for
To change the frequency one step at a time, press
High speed tuning
Press and hold TUNE ?©/?? for high speed tuning.
Release the button at the frequency you want.
Improving FM stereo sound
If the TUNED or STEREO indicators don't light when
tuning to an FM station because the signal is weak, press
the MPX button to switch the receiver into mono
reception mode. This should improve the sound quality
and allow you to enjoy the broadcast.
Using Neural THX
This feature uses Neural Surround™, THX® technology to
achieve optimal surround sound from FM radio.
• While listening to FM radio, press AUTO/DIRECT for
Neural THX listening.
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