Kenwood DMC-J3 Service Manual page 2

DMC-J3
Contents
SPECIFICATIONS .........................................Top cover
CONTENTS / ACCESSORIES ....................................2
CONTROLS .................................................................3
CIRCUIT DESCRIPTION .............................................4
Accessories
AC adapter (1) *
(W09-)
Caution
Beware of condensation
When water vapor comes into contact with the surface of cold materi-
al, water drops are produced.
If condensation occurs, correct operation may not be possible, or the
unit may not function correctly.
This is not a malfunction, however, and the unit should be dried.
(To do this, turn the POWER switch ON and leave the unit as it is for
several hours.)
Be especially careful in the following conditions:
• When the unit is brought from a cold place to warm place, and there is
a large temperature difference.
• When a heater starts operating.
• When the unit is brought from an air-conditioned place to a place of
high temperature with high humidity.
• When there is a large difference between the internal temperature of
the unit and the ambient temperature, or in conditions where conden-
sation occurs easily.
Resetting the unit
The unit may not operate normally due to faulty handling or adverse power current
effects caused by impact, excessive static electricity load, or power drop during use.
If this occurs, take the following measures.
1Pull the AC adaptor out of the
power outlet.
2Remove the rechargeable
battery.
3Wait about 30 seconds.
4Plug the AC adaptor into the
power outletand operate the
unit.
2
CONTENTS / ACCESSORIES
AC plug adapter (1)
(E03-0115-05)
Remocon (1)
(A70-1186-05)
To household outlet
PC BOARD ................................................................11
SCHEMATIC DIAGRAM ............................................12
EXPLODED VIEW .....................................................15
PARTS LIST...............................................................17
Batteries : NB130 (1)
(W09-1237-05)
Stereo headphone (1) *
(W01-)
* Refer to parts list on page 17.
Troubleshooting
Symptom Cause
Unit fails to ÷
The disc holder is not securely closed.
turn ON.
÷
The battery is depleted.
÷
HOLD status is engaged.
÷
The volume is at minimum level.
There is no
sound.
÷
The remote control or headphones are
disconnected.
÷
HOLD status is engaged.
The unit does
not respond to
÷
The battery is depleted.
key operation.
÷
The remote control or headphone plug is
not securely inserted.
÷
The disc holder is not securely closed.
÷
The MD disc has, a scratch or apoor recording
Sound skips.
÷
The unit is in a place where there is
excessive vibration.
÷
You are using commercial rechargeable battery.
Battery does
not charge.
÷
The unit has become hot because of
exposure to direct sunlight etc.
÷
You are using another AC adaptor than
the accessory adaptor.
÷
The AC adaptors has become dis connected.
Meaning of display messages
Message Meaning
÷
" n o D I S C " There is no MD in the unit.
÷
Nothing is recorded on this MD.
" B L A N K "
÷
" E R R O R " The * UTOC contents are faulty.
÷
The disc is scratched or damaged, so
Playback is not possible.
÷
"LoBATT " The inside of the unit has become hot
during charging.
* UTOC : UTOC (User's Table of Contents) refers to special data put on a recordable MD,
other than TOC data.. UTOC contains writable data such as number of songs,
performance time, and other written data.
Carrying case (1)
(W01-0938-05)
Remedy
÷
Close disc holder securely.
÷
Charge the battery.
÷
Deactivate HOLD status.
÷
Increase the volume.
÷
Insert plug securely.
÷
Deactivate HOLD status.
÷
Charge the battery.
÷
Insert plug securely.
÷
Close disc holder securely.
÷
Replace the MD.
÷
Move the unit to a place
where there is little vibration.
or set to "PS off" .
÷
Use the special rechargeable
battery (NB-130)
÷
Wait until the unit has cooled
to normal temperature.
÷
Use the accessory AC adaptor.
÷
Connect the AC adaptor securely.
Action
÷
Insert a MD into the unit.
÷
Replace the disc with aprerecorded
MD when playing it back.
÷
Replace the MD.
÷
Replace the MD.
÷
Wait until the inside of the unit
cools down.