Kenwood KDC-2027SA/SAY/SG/SGY Service Manual

Also see for KDC-105: Instruction manual

Contents

KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GYKDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G9TEST MODE1. How to enter test modeWhile holding the FM key and preset 6 key and reset the unit.All display segments light up when the test mode is entered.2. How to exit from test modeReset the unit.Turning ACC off, power off, momentary power down or paneldetaching does not terminate the test mode.3. Test mode specifications of CD receiver• Pressing the Track Up key skip to tracks in the following se-quence:No.9 → No.15 → No.10 → No.11 → No.12 → No.13 → No.14→ No.9 (repeats the cycle)• Pressing the Track Down key skip to the track immediatelybefore the track being played.• Pressing Preset 1 key skip to track No. 28.• Forced ejection is not provided.4. Audio functions• Pressing the AUDIO key or the “*” key on the remote con-troller initiates the Audio adjustment mode.• In the Audio adjustment mode, the Seek Up/Down keys onthe remote controller can only be pressed shortly. (They can-not be held depressed.)• The volume is -10dB (which is displayed as “30”).• LOUDNESS is OFF.• The Bass/Treble Up/Down and Balance/Fader Up/Downbuttons function as full-boost/full-cut and full-front/full-rearrespectively.5. Menu mode (for 14segment model)• Pressing the CLK or the DNPP key on the remote controllerinitiates the Menu mode.• In the Menu mode, the Seek Up/Down keys on the remotecontroller can only be pressed shortly. (They cannot be helddepressed.)• With the models incorporating RDS, the first operation in themenu becomes local seek.6. Version and operating hours display• The following table shows the key operations and resultingdisplay information.Key Operation DisplayPressing Preset 1 Version (Date and time display)Pressing Preset 2 All display segments light upPressing Preset 3 CD operating hoursPressing Preset 4 E2PROM (Adjustment data for IC10)Pressing Preset 5 CD ejection countPressing Preset 6 Number of times adjustment for IC10• Holding Preset 3 while the operating hour information is dis-played clears it.• Holding Preset 5 while the ejection count information is dis-played clears it.Adjustment Mode• Adjustable items1 : Stereo Decoder Sub address : 92 : Configuration Sub address : D3 : Stereo decoder Adjustment Sub address : E4 : Hi-Cut Sub address : C5 : Field strength control Sub address : B• Default valuesIf they are not written in the EEPROM, the default valuesspecified are set in IC10.Adjustment procedure1. Enter the IC10 Adjustment mode by resetting the unit whileholding preset 3 key + preset 6 key.2. Select the TUNER source by pressing SRC.3. When the adjustment mode is entered, the display shows2-digit hex number.4. When preset 1~5 is recalled, the setting values correspond-ing to the pressed number are displayed. (The displayedvalues are those in the RAM.)5. Vary each setting value using and key.6. Store the values in the corresponding preset number.7. The settings can be performed individually for each item.(It is not required to store all the values together.)8. After storing the values, reset the unit to exit from the ad-justment mode. The values set in the EEPROM will be readduring the resetting.9. When the band is switched, there may be cases in whichthe preset number being displayed does not coincide withthe stored setting value. To check this, be sure to recall thepreset number after you switch the band.Notes1. The items that are not stored will be set to the default val-ues.2. Once a value is stored in memory, the value will always beused later.(It is not allowed to modify the setting values by switchingthe destination type.)