DV-502/503/DVF-3050/3550
CONTENTS / ACCESSORIES / CAUTIONS
Contents
CONTENTS / ACCESSORIES / CAUTIONS............. 2PC BOARD .............................................................. 11
DISASSEMBLY FOR REPAIR....................................3SCHEMATIC DIAGRAM .......................................... 15
BLOCK DIAGRAM ......................................................4EXPLODED VIEW ....................................................21
CIRCUIT DESCRIPTION ............................................5PARTS LIST..............................................................22
WIRING DIAGRAM ...................................................10SPECIFICATIONS ......................................Back cover
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 1pCord RCA 3p
(E30-7235-08)(E30-2990-08)*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.)
Batteries (R03/AAA) (2)Remote control unit (1)
(A70-1532-08)
Cautions
Note related to transportation and move-Beware of condensation
mentWhen the difference between the internal temperature of the unit
and external atmosphere is large, dew (mist) may be produced on
Before transporting or moving this unit, carry out the follow-
ing operations.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.
1. Set the POWER key to ON without loading a disc.
2. Wait a few seconds and verify that the display shown
appears.Be especially careful in the following conditions:
3. Set the POWER key to OFF.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.
Operation to reset1 In POWER ON condition, keep the 7 (STOP) key and the !
(Search) key pressed at the same time.
The microprocessor may fall into malfunction (impossibility to oper-2 When both keys are pressed, the region code of the unit, the
ate erroneous display, etc.) when the power cord is unplugged
while power is ON or due to an external factor. In this case, exe-software version, etc. will be displayed on the display. (When
nothing is done, the display of this information continues.)
cute the following procedure to reset the microprocessor andExample: 71 . 101 . 06:14
return it to normal condition.
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.
2 |