Selecting Cd Playback Modes; Maintenance; To Extend The Lifetime Of The Unit; How To Reset Your Unit - JVC KS-FX12 Service Manual

Selecting CD playback modes

MO/RND
To play back tracks at random (Random Play)
Each time you press MO/RND (Mono/Random) while playing a CD, CD
random play mode changes as follows:
MO/RND
RND1 RND2
(Random1) (Random2)
Mode RND Indicator
RND1 Lights All tracks of the current disc, then the tracks of the
next disc, and so on.
RND2 Flashes All tracks of all discs inserted in the magazine.
To play back tracks repeatedly (Repeat Play)
Each time you press RPT/SCAN (Repeat/Scan) while playing a CD, CD
repeat play mode changes as follows:
RPT
SCAN
RPT1 RPT2
(Repeat1) (Repeat2)
Mode RPT Indicator
RPT1 Lights The current track (or specified track).
RPT2 Flashes All tracks of the current disc (or specified disc).
TROUBLESHOOTING
What appears to be trouble is not always serious. Check the following points before calling a
service center.
Symptoms Causes
• A cassette tape cannot be You have tried to insert a
inserted. cassette in the wrong way.
• Cassette tapes become hot. This is not a malfunction.
• Tape sound is at very low The tape head is dirty.
level and sound quality is
degraded.
• Sound is sometimes Connections are not good.
interrupted.
• Sound cannot be heard from The volume control is turned
the speakers. to the minimum level.
Connections are incorrect.
• Static noise while listening The antenna is not connected
to the radio. firmly.
• "NO CD" or "NO DISC" No CD is in the magazine.
appears on the display.
CDs are inserted incorrectly.
• "RESET 8" appears on the This unit is not connected to a
display. CD changer correctly.
• "RESET 1-RESET 7"
appears on the display.
• The unit does not work at The built-in microcomputer
all. may function incorrectly due
to noise, etc.
RPT/SCAN
Canceled
Plays at random
Canceled
Plays repeatedly
17
Remedies
I
nsert the cassette with the
exposed tape facing right.
Clean it with a head cleaning
tape.
Check the cords and
connections.
Adjust it to the optimum level.
Check the cords and
connections.
Connect the antenna firmly.
Insert CDs into the magazine.
Insert them correctly.
Connect this unit and the CD
changer correctly and press
the reset button of the CD
changer.
Press the reset button of the
CD changer.
While holding SEL, press
for more than 2
seconds to reset the unit.
(The clock setting and preset
stations stored in memory are
erased.) (See page 18).
19

MAINTENANCE

To extend the lifetime of the unit

This unit requires very little attention, but you will be able to extend the life of the unit if you
follow the instructions below.
To clean the heads
• Clean the heads after every 10 hours of use
using a wet-type head cleaning tape (available
at an audio store).
When the head becomes dirty, you may realize
the following symptoms:
• Do not play dirty or dusty tapes.
• Do not touch the highly-polished head with any
metallic or magnetic tools.
To keep the tape clean
• Always store the tapes to their storage cases
after use.
• Do not store tapes in the following places:
– Subject to direct sunlight
– With high humidity
– At extremely hot temperatures
CAUTIONS:
• Do not play the tapes with peeling labels; otherwise, they can damage the unit.
• Tighten tapes to remove slack since loose tape may become entangled with the mechanism.
• Do not leave a cassette in the cassette compartment after use, as the tape may become slack.

How to reset your unit

Press and hold both the SEL (Select) and
same time for several seconds.
This will reset the built-in microcomputer.
NOTE: Your preset adjustments — such as preset channels or sound adjustments
— will also be erased.
(Standby/On/ATT)
SEL (Select)
18

SPECIFICATIONS

AUDIO AMPLIFIER SECTION
Maximum Power Output:
Front: 40 watts per channel
Rear: 40 watts per channel
Continuous Power Output (RMS):
Front: 16 watts per channel into 4 Ω, 40
Hz to 20,000 Hz at no more than
0.8% total harmonic distortion.
Rear: 16 watts per channel into 4 Ω, 40
Hz to 20,000 Hz at no more than
0.8% total harmonic distortion.
Load Impedance: 4 Ω (4 Ω to 8 Ω 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
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 µV/75 Ω)
50 dB Quieting Sensitivity:
16.3 dBf (1.8 µV/75 Ω)
Alternate Channel Selectivity (400 kHz):
65 dB
Frequency Response: 40 Hz to 15,000 Hz
Stereo Separation: 35 dB
Capture Ratio: 2.0 dB
[AM Tuner]
Sensitivity: 20 µV
Selectivity: 35 dB
20
KS-F150
KS-FX12
– Sound quality is reduced.
– Sound level decreases.
– Sound drops out.
(Standby/On/ATT) buttons at the
CASSETTE DECK SECTION
Wow & Flutter: 0.15% (WRMS)
Fast-Wind Time: 190 sec. (C-60)
Frequency Response:
50 Hz to 14,000 Hz (±3 dB)
Signal-to-Noise Ratio: 52 dB
Stereo Separation: 40 dB
GENERAL
Power Requirement
Operating Voltage: DC 14.4 volts (11 volts to
16 volts allowance)
Grounding System: Negative ground
Allowable Working Temperature:
0°C to +40°C (32°F to 104°F)
Dimensions (W x H x D)
Installation Size: 182 mm x 52 mm x 150 mm
Panel Size: 188 mm x 58 mm x 14 mm
Mass: 1.3 kg (2.9 lbs) (excluding accessories)
Design and specifications subject to change
without notice.
Having TROUBLE with operation?
Please reset your unit
Refer to page of How to Reset
1-7