JVC KD-S640 Instructions Manual

Cd receiver

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Service manual (63 pages)

Installation & connection manual (4 pages)

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Donald R Urbanek

May 14, 2025

JVC car unit KD-S640 CD loads and unloads but then shuts down. The power will not cone on at all. Does the unite have a fuse that could cause this. I tried to reboot the unite as instructed. I am at a loss.

Summary of Contents for JVC KD-S640

Page 1 Enter below the Model No. and Serial No. which are located on the top or bottom of the cabinet. INSTRUCTIONS Retain this information for future reference. MANUAL DE INSTRUCCIONES MANUEL D’INSTRUCTIONS Model No. Serial No. FSUN3069-631 EN/SP/FR00COVER.KD-S640 (J)/1 10/8/98, 3:46 PM...
Page 2 There are no user-serviceable parts inside. Leave all servicing to qualified service NAME/RATING PLATE personnel. 4. CAUTION: This CD player uses invisible US JVC CORP.41 SLATER DRIVE ELMWOOD PARK, N.J. 07407 laser radiation, however, is equipped with MANUFACTURED AT safety switches to prevent radiation MADE IN emission when unloading CDs.
Page 3: Table Of Contents
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. CONTENTS BASIC OPERATIONS ............ 4 RADIO OPERATIONS ........... 5 Listening to the radio ..............5 Storing stations in memory ............
Page 4: Basic Operations
BASIC OPERATIONS Note: When you use this unit for the first time, set the built-in clock correctly, see page 16. Turn on the power. / I /ATT Note on One-Touch Operation: When you select a source in step 2 below, the power automatically comes on. You do not have to press this button to turn on the power.
Page 5: Radio Operations
RADIO OPERATIONS Listening to the radio Select the band (FM1, FM2, FM3 or AM). You can select any one of FM1, FM2, and FM3 to listen to an FM station. Start searching a station. To search stations When a station is received, searching stops. of higher frequencies.
Page 6: Storing Stations In Memory
Storing stations in memory You can use one of the following two methods to store broadcasting stations in memory. • Automatic preset of FM stations: SSM (Strong-station Sequential Memory) • Manual preset of both FM and AM stations FM station automatic preset: SSM You can preset 6 local FM stations in each FM band (FM1, FM2, and FM3).
Page 7: Manual Preset
Manual preset You can preset up to 6 stations in each band (FM1, FM2, FM3 and AM) manually. EXAMPLE: Storing an FM station of 88.3 MHz into the preset number 1 of the FM1 band Select the FM1 band. Tune into a station of 88.3 MHz. See page 5 to tune into a station.
Page 8: Tuning Into A Preset Station
Tuning into a preset station You can easily tune into a preset station. Remember that you must store stations first. If you have not stored them yet, see pages 6 and 7. Select the band (FM1, FM2, FM3 or AM) you want.
Page 9: Other Convenient Tuner Functions
Other convenient tuner functions ¢ +/– SCAN Scanning broadcast stations When you press SCAN while listening to the radio, station scanning starts. Each time a broadcast is tuned in, scanning stops for about 5 seconds (tuned frequency number flashes on the display), and you can check what program is now being broadcasted. If you want to listen to that program, press the same button again to stop scanning.
Page 10: Cd Operations
CD OPERATIONS Playing a CD Insert a disc into the loading slot. The unit turns on, draws a CD and starts playback automatically. • When a CD is inserted upside down, “EJECT” appears on the display and the CD automatically ejects. Total playing time of Elapsed playing Current track...
Page 11: Locating A Track Or A Particular Portion On A Cd
Locating a track or a particular portion on a CD ¢ Number buttons To fast forward or reverse the track Press and hold ¢ , while playing a CD, to fast forward the track. Press and hold 4 , while playing a CD, to reverse the track. To go to the next track or the previous track Press ¢...
Page 12: Selecting Cd Playback Modes
Selecting CD playback modes To play back tracks at random (Random Play) You can play back all tracks on the CD at random. Each time you press MO RND (Mono/Random) while playing a CD, CD random play mode turns on and off alternatively. When the random mode is turned on, the RND indicator lights up on the display and a track randomly selected starts playing.
Page 13: Sound Adjustments
SOUND ADJUSTMENTS Turning on/off the loudness function The human ear is less sensitive to low and high frequencies at low volumes. The loudness function can boost these frequencies to produce well-balanced sound at low volume level. Each time you press LOUD, the loudness function turns on and off alternatively. LOUD Selecting preset sound modes You can select a preset sound adjustment suitable to the music genre:...
Page 14: Adjusting The Sound
Adjusting the sound You can adjust the treble/bass sound and the speaker balance. Select the item you want to adjust. Indication To do: Range Adjust the bass –6 (min.) — +6 (max.) (bass) Adjust the treble –6 (min.) — +6 (max.) (treble) Adjust the front and rear speaker R6 (rear only) —...
Page 15: Storing Your Own Sound Adjustments
Storing your own sound adjustments You can adjust the sound modes (BEAT, SOFT, POP: see page 13) as you like and store your own adjustments in memory. 1, 4 Call up the sound mode you want to adjust. SOUND See page 13 for details. Within 5 seconds To adjust the bass or treble sound level...
Page 16: Other Main Functions
OTHER MAIN FUNCTIONS Setting the clock Press and hold the button for more than 2 seconds. “CLOCK H,” “CLOCK M” or “AREA” appears on the display. Set the hour. 1. Select “CLOCK H” if not shown on the display. 2. Adjust the hour. Set the minute.
Page 17: Detaching The Control Panel
Detaching the control panel You can detach the control panel when leaving the car. When detaching or attaching the control panel, be careful not to damage the connectors on the back of the control panel and on the panel holder. How to detach the control How to attach the control panel...
Page 18: Maintenance
MAINTENANCE Handling CDs COMPACT This unit has been designed only to reproduce the CDs bearing the mark. DIGITAL AUDIO Other discs cannot be played back. How to handle CDs When removing a CD from its case, press down the center holder of Center holder the case and lift the CD out, holding it by the edges.
Page 19: Troubleshooting
TROUBLESHOOTING What appears to be trouble is not always serious. Check the following points before calling a service center. Symptoms Causes Remedies • CD cannot be played back. CD is inserted upside down. Insert the CD correctly. • CD sound is sometimes You are driving on rough Stop CD play while driving interrupted.
Page 20: Specifications
SPECIFICATIONS AUDIO AMPLIFIER SECTION [AM Tuner] Sensitivity: 20 µV Maximum Power Output: Selectivity: 35 dB Front: 40 watts per channel Rear: 40 watts per channel CD PLAYER SECTION Continuous Power Output (RMS): Front: 15 watts per channel into 4 Ω, 40 Type: Compact disc player Signal Detection System: Non-contact optical to 20,000 Hz at no more than 0.8%...
Page 21 VICTOR COMPANY OF JAPAN, LIMITED EN, SP, FR 0998HISFLEJES EN/SP/FR00COVER.KD-S640 (J)/1 10/8/98, 3:46 PM...