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[Dave-C]

Just lately my CCRT700 loses it's volume memory each time the ignition is switched off.  All fuses OK!  

The handbook simply says turn the radio off at the volume required and as long as it's not too high it'll retain that volume.

Any sugestions... :-/

DC

[TheBoy]

Mine is just being a pain. If you find a solution, let me know.

[Dave-C]

Mine is just being a pain. If you find a solution, let me know.

Roger Wilko :-/

[Dave DND]

Sounds as if the internal EEprom is dying . .  ?

Not uncommon, and pretty much terminal if it is.

 

[TheBoy]

Sounds as if the internal EEprom is dying . .  ?

Not uncommon, and pretty much terminal if it is.

 

Replaceable, or not available, or simply not worthwhile?  I want to keep with factory fit...

[Dave DND]

Not available -

I have tried pattern chips, but they simply do not work and only the genuine article will work (often the case with complex processors / proms)

[TheBoy]

Not available -

I have tried pattern chips, but they simply do not work and only the genuine article will work (often the case with complex processors / proms)

Thanks for info.

[tmx]

there is a tis briefing for the volume retention issue will try n dig it out

[Dave DND]

there is a tis briefing for the volume retention issue will try n dig it out

Would be interested to see that.

Most of the common faults to do with eeprom failure is ususally the inability to retain radio presets or more usually code faults -

Can`t recall a specific instance of the volume fault - and just thinking aloud, as the eeprom is somewhat "sensitive" in this model and prone to forgetting "data"

[tmx]

Field Remedy: 1332
Subject: Radio - Turning on volume is not loud enough
Models: Engines: Option:
Omega-B 94... All CAR2004,CDR2005,CCR2006,CCRT 700,CCRT2008+BOSE
Complaint: Turning-on volume is not loud enough.
Cause: Wrong calibration.
Production:  

Remedy:
Working Procedures:

Radio CAR2004, CCR2006 und CCR2006 BOSE (PHILIPS/VDO)

1. Turn on ignition.
2. Turn off radio.
3. Push and hold RDS-button and turn on radio until confirmation  
   signal sounds.
   A succession of signs appears  in the display showing    
   receiving field intensity of the radio station and frequency.
4. Push RDS button as often as necessary until P37 is shown in
   the display.
5. Change value to 13 using the station buttons 1 and 2. Station
   button 1 changes the first digit, the station button 2 changes
   the second digit.
   16 different signs can be chosen anytime.
   (0 1 2 3 4 5 6 7 8 9  A B C D E F)
   Push station button 1 one time and station button 2 thirteen
   times, to adjust to a value of 13.
6. Push RDS button until confirmation signal sounds one time, the
   new value is then saved.
Radio         Parametervalue   Actual value          New value
CAR2004       P 37              06                      13
CCR2006       P 37              06                      13
CCR2006 BOSE  P 37              06                      13
Attention:
Push RDS-button within 3 seconds after changing the value, and hold until
confirmation signal sounds one time, otherwise the value is not saved.
False entries in the parameter adjustment can cause function errors
as well as total breakdown of the radio.
The original parameter setting can be reproduced by reading out
the radio code file using Tech 2.
Radio CDR2005 (DELCO)

1. Turn on ignition.
2. Turn off radio.
3. Push and hold RDS-button and turn on radio until confirmation  
   signal sounds.
   A succession of signs appears  in the display showing    
   receiving field intensity of the radio station and frequency.
4. Push RDS button as often as necessary until P40 is shown in
   the display.
5. Using station buttons 1 and 3 choose value 200.
   Using the station buttons 1 and 3 the value list can be
   searched upwards and downwards.
   There is a choice of 11 different values. Push station button
   1 five times, to adjust to a value of 200.
6. Push RDS button until confirmation signal sounds one time, the
   new value is then saved.
Radio         Parameter value      Actual value    New value
CDR2005       P 40                 003               200
Attention:
Push RDS-button within 3 seconds after changing the value, and hold until
confirmation signal sounds one time, otherwise the value is not saved.
False entries in the parameter adjustment can cause function errors
as well as total breakdown of the radio.
The original parameter setting can be reproduced by reading out
the radio code file using Tech 2.
Radio CDR2005 (VDO)

1. Turn on ignition.
2. Turn off radio.
3. Push and hold RDS-button and turn on radio until confirmation  
   signal sounds.
   A succession of signs appears  in the display showing    
   receiving field intensity of the radio station and frequency.
4. Push RDS button as often as necessary until P37 is shown in
   the display.
5. Change value to 13 using the station buttons 1 and 2. Station
   button 1 changes the first digit, the station button 2 changes
   the second digit.
   16 different signs can be chosen anytime.
   (0 1 2 3 4 5 6 7 8 9  A B C D E F)
   Push station button 1 one time and station button 2 thirteen
   times, to adjust to a value of 13.
6. Push RDS button until confirmation signal sounds one time, the
   new value is then saved.
Radio         Parametervalue   Actual value          New value
CDR2005       P 37              06                      13
Attention:
Push RDS-button within 3 seconds after changing the value, and hold until
confirmation signal sounds one time, otherwise the value is not saved.
False entries in the parameter adjustment can cause function errors
as well as total breakdown of the radio.
The original parameter setting can be reproduced by reading out
the radio code file using Tech 2.
Radio CCRT700, CCRT2008 und CCRT2008 BOSE (PHILIPS/VDO)

1. Turn on ignition.
2. Turn off radio.
3. Push and hold RDS-button and turn on radio until confirmation  
   signal sounds.
   A succession of signs appears  in the display showing    
   receiving field intensity of the radio station and frequency.
4. Push RDS button as often as necessary until P37 is shown in
   the display.
5. Change value to 13 using the station buttons 1 and 2. Station
   button 1 changes the first digit, the station button 2 changes
   the second digit.
   16 different signs can be chosen anytime.
   (0 1 2 3 4 5 6 7 8 9  A B C D E F)
   Push station button 1 one time and station button 2 six times,
   to adjust to a value of 13.
6. Push RDS button until confirmation signal sounds two times,
   the new value is then saved.
Radio         Parameter value:     Actual value:     New value:
CART2007      P 37                 0D                  13
CCRT2008      P 37                 0D                  13
CCRT2008 BOSE P 37                 0D                  13
Attention:
Push RDS-button within 3 seconds after changing the value, and hold until
confirmation signal sounds two times, otherwise the value is not saved.
False entries in the parameter adjustment can cause function errors
as well as total breakdown of the radio.
The original parameter setting can be reproduced by reading out
the radio code file using Tech 2.
FunctionalGroup: N - Electrical Equipment
Complaint Group: 04 - Electrical failures
Trouble Code: Non

[Dave DND]

Excellent procedure and certainly worth trying.  

However, if the radio fails to remember the information stored, you could still be looking at an eeprom failure.

 

[Dave-C]

Thanks for the response, will try when I get a chance and report back...

DC

[tmx]

just tried this on my ccrt700 works perfect

although my ccrt700 only beeped once on confirmation

is there any more test menus dave??

[Dave DND]

Loads - but due to the nature of our work, you can understand that I am reluctant to post them for obvious reasons.

 

[Dave-C]

Works on mine too.... Many Thanx for the info..

DC