JVC KD-G125 User's Manual
Contents
1. JVC 50 W 4 8 O 50 W A2. LN L R Parts list for installation and connection The following parts are provided for this unit After checking them please set them correctly S Hard case Control panel Sleeve Trim plate P Power cord Washer 05 Lock nut
3. x x
4. ana x Pan al Remote lead Y connector not supplied for this unit Y Remote lead Blue with white stripe To the remote lead of other equipment or automatic antenna if any M M fa v ua a LINE OUT KD G126 KD G125 Front speakers 4 Signal cord not supplied for this unit 3 Firmly attach the ground wire to the metallic body or to the chassis of the car to the place uncoated with
5. 12 Fuse block Red To an accessory terminal in the fuse block 2 Before checking the operation of this unit prior to installation this lead must be connected otherwise power cannot be turned on 2 Left speaker front Right speaker front Left speaker rear Right speaker rear Blue To the automatic antenna if any 250 mA max e
6. 250 mA Blue with white stripe i 6 To the remote lead of other equipment 200 mA max 200 mA White with black stripe White Gray with black stripe Gray Green with black stripe Green Purple with black stripe Purple TS PT LA Connecting the external amplifier or subwoofer You can connect an amplifier to upgrade your car stereo system Connect the remote lead blue with white stripe to the remote lead of the other equipment so that it can be controlled through this unit Disconnect the speakers from this unit connect them to the amplifier Leave the speaker leads of this unit unused Set L O MODE to REAR See page 9 of the INSTRUCTIONS am L O MODE REAR 9
7. 12 Ae fous d JVC A To prevent short circuits we recommend that you disconnect the battery s negative terminal and make all electrical connections before installing the unit Be sure to ground this unit to the car s chassis again after installation Notes Replace the fuse with one of the specified rating If the fuse blows frequently consult your JVC car audio dealer It is recommended to connect to the speakers with maximum power of more than 50 W both at the rear and at the front with an impedance of 4 Q to 8 Q If the maximum power is less than 50 W change AMP GAIN setting to prevent the speakers from being damaged see page 9 of the INSTRUCTIONS To prevent short circuit cover the terminals of the UNUSED leads with insulating tape The heat sink becomes very hot after use Be careful not to touch it when removing this unit Heat sink A
8. You can connect a power amplifier for rear speakers JVC Amplifier JVC Rear speakers Set L O MODE to WOOFER See page 9 of the INSTRUCTIONS aaa L O MODE WOOFER 9 You can also connect a subwoofer to the REAR LINE OUT terminals REAR LINE OUT la JVC Amplifier JVC Subwoofer
9. gt You cannot select DISC as the 1 Canceling the display playback source if there is no disc in the demonstrations loading slot Select DEMO then DEMO OFF 2 Setting the clock For FM AM tuner Select CLOCK H hour then adjust the hour eS Select CLOCK M minute then A gt adjust the minute 3 Finish the procedure To check the current clock time while the power is Adjust the volume tos Volume level appears PM SER am se turned off Volume level indicator To check the other O information while listening 1 sound as you want See to the radio a disc Frequency Elapsed playing time lt Clock To drop the volume ina inant moment ATT To restore the sound press it again To turn off the power O ATT a Radio operations gt FM1 FM2 FM3 AM OX DISC Fa ONN aE D A Lu gt an up when receiving an FM stereo broadcast with sufficient signal strength SSeS lt oon oe ED Selected band appears Start searching for a station When a station is received searching stops To stop searching press the same button again To tune in to a station manuall In step above 1 SMISE 1 2 Select th
10. M5 Mounting bolt M5 x 20 mm Rubber cushion M5 x 20 65 M5 Handles gt INSTALLATION IN DASH MOUNTING ing i i typical i i i ire i i NT E a The following illustration shows a typical installation If you have any questions ortega information regarding installation kits consult your JVC car audio dealer or a company supplying kits 5 i x one JVC If you are not sure how to install this unit correctly have it
11. cord 2 i N prior a Yy 4 3 Finally connect the wiring harness to the unit 3 Rear ground terminal 15 A fuse 15 A Antenna terminal f Line out see diagram 3 t 1 E Not Supplied for this unit Ignition switch 1 EO Black g 4 ae i am To metallic body or chassis of the car o Gree aap h pox i Yellow 2 rae To a live terminal in the fuse block connecting to the car battery 2 bypassing the ignition switch constant 12 V
12. has been stopped previously next time you turn on the power Selecting the sources e When no disc is loaded in the unit DISC cannot be selected Tuner operations Storing stations in memory During SSM search All previously stored stations are erased and stations are stored newly Received stations are preset in No 1 lowest frequency to No 6 highest frequency When SSM is over the station stored in No 1 will be automatically tuned in When storing a station manually a previously preset station is erased when a new station is stored in the same preset number Disc operations Caution for DualDisc playback The Non DVD side of a DualDisc does not comply with the Compact Disc Digital Audio standard Therefore the use of Non DVD side of a DualDisc on this product may not be recommended General This unit has been designed to reproduce CDs and CD Rs Recordable CD RWs Rewritable in audio CD CD DA format When a disc has been loaded selecting DISC for the playback source starts disc play Inserting a disc When a disc is inserted upside down the disc automatically ejects Do not insert 8 cm discs single CD and unusual shape discs heart flower etc into the loading slot Playing a CD R or CD RW Use only finalized CD Rs or CD RWs This unit can play back multi session discs however unclosed sessions will be skipped whil
13. this unit Fire wall Dashboard Bracket F a Flat type screws M5 x 8 mm Screw option M5 x 8 Pocket Bracket Note When installing the unit on the mounting bracket make sure to use the 8 mm long screws If longer screws are Install the unit at angle of less used they could damage the unit a v than 30 8 30 ELECTRICAL CONNECTIONS Typical conne
14. Jvc MM CD RECEIVER KD G126 KD G125 CD KD G126 KD G125 KD G126 COMPACT PSN 2 2 DIGITAL AUDIO For canceling the display demonstration see page 5 al 7 A a a 5 For installation and connections refer to the separate manual INSTRUCTIONS GET0331 001A U UH Thank you for purchasing a JVC product Please read all instructions carefully before operation to ensure your complete understanding and to obtain the best possible performance from the unit a TE IMPORTANT FOR LASER PRODUCTS 1 CLASS 1 LASER PRODUCT 2 CAUTION Do not open the top cover There are no user serviceable parts inside the unit leave all servicing to qualified service personnel 3 CAUTION Visible and invisible laser radiation when open and interlock failed or defeated Avoid direct exposure to beam 4 REPRODUCTION OF LABEL CAUTION LABEL PLACED OUTSIDE THE UNIT RUTTEN Visible and invisible ee VARNING Synlig och VARO A
15. MP GAIN 9 PRECAUTIONS on power supply and speaker connections DO NOT connect the speaker leads of the power cord to the car battery otherwise the unit will be seriously damaged BEFORE connecting the speaker leads of the power cord to the speakers check the speaker wiring in your car oe a ry er 4
16. ODE is set to WOOFER see page 9 Indication Range BAS 2 bass 06 to 06 Adjust the bass TRE 2 treble 06 to 06 Adjust the treble FAD fader R06 to F06 Adjust the front and rear speaker balance BAL 4 balance L06 to R06 Adjust the left and right speaker balance S BS super bass S BS ON or S BS OFF 01 to 05 Maintain the richness and fullness of the bass sound regardless of how low you set the volume SUB W subwoofer 00 to 08 Adjust the subwoofer output level when a subwoofer is connected VOL volume 00 to 30 or 50 6 Adjust the volume 2 When you adjust the bass treble or super bass the adjustment you have made is stored for the currently selected sound mode C EQ including USER If you are using a two speaker system set the fader level to 00 4 This adjustment cannot affect the subwoofer output Range adjustment for super bass is adjustable only when it is set to S BS ON Depending on the amplifier gain control setting See page 9 for details 3 5 6 General settings PSM You can change PSM Preferred Setting Mode 3 Adjust the PSM item selected items listed in the table that follows Jaa SEL Hold ae D TE 4 Repeat steps 2 and 3 to adjust other WAL 2 Select a PSM item PSM items if necessary BCC 5 Finish the procedure r J5EL Indications Selectable s
17. briefly V w O D a Press either one ON Press and hold until your desired response begins Press and hold both buttons at the same time TE How to detach attach the control panel Press repeatedly CONTENTS Control panel lt KD G126 and KD G125 990 D Z Lu Getting started 0000000000900000 ee ere eee eee 5 Radio operations scssscsssssssseees Disc operations 2222220080000999090 7 Peina a ciec in We Miis 7 Sound adjustments 202 00000 8 General settings PSM 9 Maintenance 2 2000000000000000000 10 More about this unit 22200 17 Troubleshooting 2020000000000 12 13 Do not raise the volume level too much as this will block outside sounds making driving dangerous Stop the car before performing any complicated operations Temperature inside the car If you have parked the car for a long time in hot or cold weather wait until the temperature in the car becomes normal before operating the unit e TE Control panel ro 6126 andKD 6125 Parts identification a e N gt a s ro Display wi
18. ctions Before connecting Check the wiring in the vehicle carefully Incorrect connection may cause serious damage to this unit The leads of the power cord and those of the connector from the car body may be different in color 1 Connect the colored leads of the power cord in the order specified in the illustration below 1 2 Connect the antenna
19. ctly To select a number from 01 06 11 RPT 12 RND MA GIGI Ce To select a number from 07 12 9 SSM 11 RPT 12 AND MII GAC EE E Prohibiting disc ejection You can lock a disc in the loading slot GON 0 PELL See gt vin cr IC TS NE oh Se WN ILS To cancel the prohibition repeat the same procedure a5 A Lu Selecting the playback modes You can use only one of the following playback modes at a time 1 MODE 2 Select your desired playback mode Repeat play 11_RPT N A gt Mode Plays repeatedly TRK RPT The current track RPT OFF Cancels Random play __12 G h es Mode Plays at random DISC RND All tracks of the current disc RND OFF Cancels Sound adjustments You can select a preset sound mode suitable to the music genre C EQ custom equalizer i USER gt ROCK gt CLASSIC tes a JAZZ lt HIP HOP lt POPS Preset values TRE S BS super treble Indication For bass USER Flat sound 00 OFF ROCK Rock or disco music FUE jA CLASSIC Classical music oud OEE POPS Light music 01 OFF HIP HOP Funk or rap music JAZZ Jazz music 03 OFF Adjusting the sound You can adjust the sound characteristics to your preference se _ gt gt TRE gt FAD gt BAL VOL lt SUB W lt S BS 1 Displayed only when L O M
20. e desired station frequencies 4 When an FM stereo broadcast is hard to receive MODE Lights up when monaural mode is activated Reception improves but stereo effect will be lost To restore the stereo effect repeat the same procedure MONO OFF appears and the MO indicator goes off Storing stations in memory You can preset six stations for each band E FM station automatic presetting SSM Strong station Sequential Memory 1 Select the FM band FM1 FM3 you want to store into re ME MS AM lt 2 MODE 9 SSM 3 Vi Pi RR Z ven ve CT A bt 7 lt SSM flashes then disappears when automatic presetting is over Local FM stations with the strongest signals are searched and stored automatically in the FM band Manual presetting Ex Storing FM station of 92 5 MHz into preset number 4 of the FM1 band SY FM1 c 6 SSS 2 ED 56 aa Jej Preset number flashes for a while Listening to a preset station Sey FM1 eae 2 Select the preset station 1 6 you want 11_ RPT 12 RND MCI GCI C87 Disc operations Playing a disc in the unit mems a5 D zj z TE All tracks will be played repeatedly until you change the source or eject the disc To stop play and eject the disc To fast forward or reverse the track To go to the next or previous tracks To locate a particular track dire
21. e playing Some CD Rs or CD RWs may not play back on this unit because of their disc characteristics and for the following causes Discs are dirty or scratched Moisture condensation occurs on the lens inside the unit The pickup lens inside the unit is dirty CD R CD RW on which the files are written with Packet Write method There are improper recording conditions missing data etc or media conditions stain scratch warp etc CD RWs may require a longer readout time since the reflectance of CD RWSs is lower than that of regular CDs Do not use the following CD Rs or CD RWs Discs with stickers labels or protective seal stuck to the surface Discs on which labels can be directly printed by an ink jet printer Using these discs under high temperatures or high humidity may cause malfunctions or damages to the unit Changing the source If you change the source playback also stops without ejecting the disc Next time you select DISC for the playback source disc play starts from where it has been stopped previously To be continued a5 A TE CO EEA aE ZA Lu Ejecting a disc If the ejected disc is not removed within 15 seconds the disc is automatically inserted again into the loading slot to protect it from dust Disc will not play this time Troubleshooting Symptoms e Sound cannot be heard from the speakers Genera
22. ettings reference page DEMO DEMO ON Initial Display demonstration will be activated automatically Display if no operation is done for about 20 seconds 5 demonstration DEMO OFF Cancels CLOCK H 1 12 5 Hour adjustment Initial 1 1 00 CLOCK M 00 59 5 Minute adjustment Initial 00 1 00 L O MODE When connecting an amplifier or a subwoofer set this correctly Line output mode REAR Initial Select if the REAR LINE OUT terminals are used for connecting the speakers through an external amplifier WOOFER Select if the REAR LINE OUT terminals are used for connecting a subwoofer AMP GAIN You can change the maximum volume level of this unit Amplifier gain LOW PWR VOL 00 VOL 30 Select this if the maximum power of the control speaker is less than 50 W to avoid damaging the speaker HIGH PWR Initial VOL 00 VOL 50 e va TE Maintenance E How to clean the connectors Frequent detachment will deteriorate the connectors To minimize this possibility periodically wipe the connectors with a cotton swab or cloth moistened with alcohol being careful not to damage the connectors Connector E Moisture condensation Moisture may condense on the lens inside the CD player in the following cases After starting the heater in the car If it becomes very humid inside the car Should this occur the CD player may malfunction In this case eject the disc and leave
23. installed by a qualified technician 4 Ma E Do the required electrical connections ds vy SxS Bend the appropriate tabs to hold the sleeve firmly in place 1 When you stand the unit be careful not to damage the fuse on the rear A eT avg ta 1 Removing the unit Before removing the unit release the rear section Insert the two handles then pull them as illustrated so that
24. l settings PSM If you change the AMP GAIN setting from HIGH PWR to LOW PWR while the volume level is set higher than VOL 30 the unit automatically changes the volume level to VOL 30 What appears to be trouble is not always serious Check the following points before calling a service center Remedies Causes Adjust the volume to the optimum level e Check the cords and connections e This unit does not work at all SSM automatic presetting does not work Static noise while listening to the radio Disc automatically ejects CD R CD RW cannot be played back Tracks on the CD R CD RW cannot be skipped Disc can be neither played back nor ejected Reset the unit see page 2 Store stations manually Connect the antenna firmly Insert the disc correctly Insert a finalized CD R CD RW Finalize the CD R CD RW with the component which you used for recording Unlock the disc see page 7 Eject the disc forcibly see page 2 Disc sound is sometimes interrupted e NO DISC appears on the display LL x 2 gt a Stop playback while driving on rough roads Change the disc Check the cords and connections Insert a playable disc into the loading slot Specifications E AUDIO AMPLIFIER SECTION Maximum Power Output Front 50 W per channel Rear 50 W per cha
25. lation Size approx 182 mm x 52 mm x 150 mm Panel Size approx 188 mm x 58 mm x 11 mm Mass approx 1 2 kg excluding accessories Design and specifications are subject to change without notice SS Having TROUBLE with operation Please reset your unit Refer to page of How to reset your unit 7 Y T a Y T y a I i 2 EN TH 2005 Victor Company of Japan Limited 1005DTSMDTJEIN KD G126 KD G125 Installation Connection Manual JV GET0331 006A ENGLISH This unit is designed to operate on 12 V DC NEGATIVE ground electrical systems If your vehicle does not have this system a voltage inverter is required which can be purchased at JVC car audio dealers WARNINGS 1005DTSMDTJEIN EN TH 2005 Victor Company of Japan Limited os v ag e
26. ndow 19 20 22 O ATT O I ATT standby on attenuator button SOURCE button BAND button Loading slot Display window eject button EQ equalizer button A P a Y buttons Control dial SEL select button DISP display button MO monaural button SSM Strong station Sequential Memory button Number buttons RPT repeat button RND random button M MODE button L amp I control panel release button Display window 19 20 21 22 23 24 25 26 DISC indicator RND disc random indicator RPT repeat indicator S BASS super bass indicator EQ equalizer indicator Sound mode C EQ custom equalizer indicators JAZZ CLASSIC HIP HOP POPS ROCK USER Source display Volume level indicator Time countdown indicator Main display Tuner reception indicators ST stereo MO monaural Getting started Basic settings See also General settings PSM on page 9 Basic Operations m 1 Turn on the power lt lt seL O I ATT B FM1 FM2 FM3 AM IX 6 ORS ae D zj Z Lu
27. nnel Continuous Power Output RMS Front 19 W per channel into 4 Q 40 Hz to 20 000 Hz at no more than 0 8 total harmonic distortion Rear 19 W per channel into 4 Q 40 Hz to 20 000 Hz at no more than 0 8 total harmonic distortion Load Impedance 4 Q 4 Q to 8 Q allowance Tone Control Range Bass 10 dB at 100 Hz Treble 10 dB at 10 kHz Frequency Response 40 Hz to 20 000 Hz Signal to Noise Ratio 70 dB Line Out Level Impedance 2 0 V 20 kQ load full scale Output Impedance 1 kQ Subwoofer Out Level Impedance 2 0 V 20 kQ load full scale E TUNER SECTION Frequency Range FM 87 5 MHz to 108 0 MHz AM 531 kHz to 1 602 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 uV 75 Q 50 dB Quieting Sensitivity 16 3 dBf 1 8 1V 75 Q Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB Capture Ratio 1 5 dB AM Tuner Sensitivity 20 uV Selectivity 35 dB E CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to Noise Ratio 98 dB Wow and Flutter Less than measurable limit E GENERAL Power Requirement Operating Voltage DC 14 4 V 11 V to 16 V allowance Grounding System Negative ground Allowable Operating Temperature 0 C to 40 C Dimensions W x H x D Instal
28. paint if coated with paint remove the paint before attaching the wire Failure to do so may cause damage to the unit 3 4 TROUBLESHOOTING The fuse blows Are the red and black leads connected correctly Power cannot be turned on Ts the yellow lead connected No sound from the speakers Ts the speaker output lead short circuited Sound is distorted Ts the speaker output lead grounded Are the terminals of L and R speakers grounded in common Noise inte
29. rfere with sounds Is the rear ground terminal connected to the car s chassis using shorter and thicker cords This unit becomes hot Ts the speaker output lead grounded Are the terminals of L and R speakers grounded in common This unit does not work at all Have you reset your unit yan al Li ee ee
30. the unit can be removed 2 d When using the optional stay When installing the unit without using the sleeve In a Toyota car for example first remove the car radio and install the unit in its place UC TO Stay option Flat type screws M5 x 8 mm M5 x 8 Not supplied for
31. the unit turned on for a few hours until the moisture evaporates E How to handle discs When removing a disc from Center holder its case press down the center holder of the case and lift the disc SA out holding it by the edges lt Always hold the disc by the edges Do not touch its recording surface When storing a disc into its case gently insert the disc around the center holder with the printed surface facing up e Make sure to store discs into the cases after use E To play new discs New discs may have some rough spots around the inner and outer edges If such a disc is used this unit may reject the disc To remove these rough spots rub the edges with a pencil or ball point pen etc To keep discs clean A dirty disc may not play correctly If a disc does become dirty wipe it with a soft cloth in a straight line from center to edge Do not use any solvent for example conventional record cleaner spray thinner benzine etc to clean discs S J Do not use the following discs Warped disc gt Sticker Sticker residue RS Stick on label Disc S More about this unit Basic operations Turning on the power By pressing SOURCE on the unit you can also turn on the power If the source is ready playback also starts Turning off the power If you turn off the power while listening to a disc disc play will start from where playback
32. vattzessa a sinaut Caution on volume setting Discs produce very little noise compared with other sources Lower the volume before playing a disc to avoid damaging the speakers by the sudden increase of the output level If you need to operate the unit while driving be sure to look ahead carefully or you may be involved in a traffic accident E How to reset your unit E How to use the M MODE button C I ATT If you press M MODE the unit goes into functions mode then the number buttons work fa a gt as different function buttons Your preset adjustments will also be erased Ex When number button 2 works as If a disc is loaded it will eject Be careful not to MO monaural button drop the disc MODE a How to forcibly eject a disc O I ATT ss SN z v4 Time countdown indicator od o If this does not work reset your unit Be careful not to drop the disc when it ejects To use these buttons for their original functions again after pressing M MODE wait for 5 seconds without pressing any of these buttons until the functions mode is cleared or press M MODE again TE How to read this manual Button operations are mainly explained with the illustrations in the table below e CD is used to indicate an indicator is displayed for the corresponding operation Some related tips and notes are explained in More about this unit see pages 11 and 12 Press
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