Kenwood KRFVR 2090 Service Manual

Page 2

JKRF7V7771D(K)COVER(98t12t818:58 y [w 3
KRF-V7771DN8881D/VR-2080/2090

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CONTENTS / ACCESSORIES / CAUTIONS

Contents
CONTENTS / ACCESSORIES / CAUTIONS.
CONTROLS ....................................................
DISASSEMBLY FOR REPAIR.
BLOCK DIAGRAM ...................
CIRCUIT DESCRIPTION.
ADJUSTMENT .................

Accessories
Check that the following accessories are present.

WIRING DIAGRAM.
PC BOARD ..........

SCHEMATIC DIAGRAM.
EXPLODED VIEW ..........
PARTS LIST .........
SPECIFICATIONS

Remote control unit (1) :" ' AM loop antenna (1) (TQOVOSSSVOS) """""" I AC plug adapter (1)
(A7071191705) I Loop antenna stand (1) (E0370115705)
(J1973645705)

(Rch0907)
Battery cover(A0970378708)

BatterieisG/AA) (4)

FM Indoor antenna (1)
(Tgorosssrom

I @fl

Use to adapt the plug on the power cord
to the shape of the wall outlet. (Accessory
only for regions where use Is necessary.)

Cautions
How to reset the microcomputer

The microcomputer may malfunction (impossibility at operation,
erroneous display, etc.) when the power cord is unplugged and
plugged in again while the unit is in ON mode with the I/d) key
pressed or due to other external causes. In this case, execute the
procedure on the right to reset the microcomputer and return the
unit to the normal condition.

0 Resetting the microcomputer clears the memow you entered and
returns it to the initial condition when the unIt left the factory.

USA. and Canada

0 Unplug the power cord from the wall outlet.
9 While holding the l/L') (ON/STANDBY) key depressed, plug the
power cord into the wall outlet again.

Expect for USA. and Canada

OWith the power cord plugged in, turn the POWER key OFF.
9 Whill holding down the ON/STANDBV key, press POWER key.

Memory backup function

Please note that the following items will be deleted from
this units memory if the power cord is disconnected
from the AC outlet for approximately three days.

0 The input selection is cleared and the Tuner" input Is selected.

0 The volume setting is cleared and the volume is set to -65 dB".

0 The receIVIng band setting is cleared and the FM band Is
selected.

o The frequency setting is cleared and 87.5 MHZ Is selected.
0 The preset station memory is cleared.
o The surround setting is cleared and reset to the initial condition.