Table Of Contents; Contents / Accessories / Cautions - Kenwood DV-502 Service Manual

DV-502/503/DVF-3050/3550

CONTENTS / ACCESSORIES / CAUTIONS

Contents
CONTENTS / ACCESSORIES / CAUTIONS............. 2
DISASSEMBLY FOR REPAIR....................................3
BLOCK DIAGRAM ......................................................4
CIRCUIT DESCRIPTION ............................................5
WIRING DIAGRAM ...................................................10
Attention
Please contact our KENWOOD Service Department in your side if you want the service information; Circuit Description. Full
Described Parts list and so. Information is available to you by internet from us.
Accessories
Cord RCA 1p
(E30-7235-08)
Batteries (R03/AAA) (2)
Cautions
Note related to transportation and move-
ment
Before transporting or moving this unit, carry out the follow-
ing operations.
1. Set the POWER key to ON without loading a disc.
2. Wait a few seconds and verify that the display shown
appears.
3. Set the POWER key to OFF.
Operation to reset
The microprocessor may fall into malfunction (impossibility to oper-
ate erroneous display, etc.) when the power cord is unplugged
while power is ON or due to an external factor. In this case, exe-
cute the following procedure to reset the microprocessor and
return it to normal condition.
2
PC BOARD .............................................................. 11
SCHEMATIC DIAGRAM .......................................... 15
EXPLODED VIEW ....................................................21
PARTS LIST..............................................................22
SPECIFICATIONS ......................................Back cover
Cord RCA 3p
(E30-2990-08)
Remote control unit (1)
(A70-1532-08)
*AC plug adaptor (1)
(E03-0115-05)
* Use to adapt the plug on the
power cord to the shape of the
wall outlet.
(Accessory only for regions
where use is necessary.)
Beware of condensation
When the difference between the internal temperature of the unit
and external atmosphere is large, dew (mist) may be produced on
the internal parts of the unit. In such a case, turn the unit ON and
leave it for a few hours until the condensation has dried up.
Be especially careful in the following conditions:
When the unit is brought into a place where there is a large differ-
ence in temperature between the previous location, when the
humidity of the listening room is high, etc.
1 In POWER ON condition, keep the 7 (STOP) key and the ¡
(Search) key pressed at the same time.
2 When both keys are pressed, the region code of the unit, the
software version, etc. will be displayed on the display. (When
nothing is done, the display of this information continues.)
Example: 71 . 101 . 06:14
3 Press the ON/OFF key to go to Power OFF.
4 When Power ON is performed with the ON/OFF key, the set-
tings become the default factory settings.
¶ Please note that resetting the microprocessor clears the con-
tents stored in, it returns the microprocessor to the condition
when it left the factory.