KENWOOD KRFV8010 Service Manual

Cover page of KENWOOD KRFV8010 Service Manual

Service Manual for KENWOOD KRFV8010, downloadable as a PDF file.

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AV SURROUND RECEIVER
KRF-V7510D/VR-208
KRF-V8010D/VR-209
SERVICE MANUAL
© 1998-4/B51-5419-00 (K/K) 1796
A
SPEAKERS
B
BASS BOOST
MONITOR
SOURCE
DIRECT
INPUT MODE LISTEN MODE SOUND
SETUP
MULTI CONTROL
INPUT SELECTOR
VOLUME CONTROL
DOLBY DIGITAL
CLIP INDICATOR
DOWN
UP
STANDBY
AV SURROUND RECEIVER
ON / STANDBY
PHONES
- ON
­ OFF
POWER
DIMMER
P.CALL
P.CALL
BAND
AUTO
MEMORY
REC OUT
PHONO
CD
MD / TAPE
MONITOR
PLAY IN
REC OUT PLAY IN
L
R
VIDEO 2
DOLBY DIGITAL / PCM IN
VIDEO 3
VIDEO 1
VIDEO 1
VIDEO 2
VIDEO 3
VIDEO 1
VIDEO 2
VIDEO 3
REC OUT PLAY IN
PLAY IN
PLAY IN
MONITOR
VIDEO IN
VIDEO OUT
FM
75
GND
AM
ANTENNA
(
)
SYSTEM CONTROL
SL16
(XS8)
SUBWOOFER SURROUND
PRE OUT
CENTER
L
R
CENTER SPEAKER
FRONT SPEAKERS
+
+
-
-
R
A
L
C
SURROUND
SPEAKERS
FRONT
SPEAKERS
L
R
+
+
-
-
+
+
-
-
L
R
B
Indicator
(B12-0340-04)
Lock terminal board
(E70-0080-05)
Phono jack
(E63-1021-05)
Phono jack
(E63-1022-05)
Power cord bushing
(J42-0083-05)
AC power cord *
(E30-)
KENWOOD badge
(B43-0302-04)
Knob
(K29-6879-02)
Front glass
(B10-2426-02)
Knob
(K29-6898-03)
Knob
(K29-6880-04)
Knob (BUTTON)
(K27-2274-04)
Phono jack x 2
(E63-0172-05)
Lock terminal board
(E70-0068-05)
AC outlet *
(E03-)
Metallic cabinet
(A01-3534-01)
Foot
(J02-1405-03)
Foot
(J02-1405-03)
Phone jack(3P)
(E11-0295-05)
Knob
(K29-6879-02)
Knob
(K29-6881-04)
Panel *
(A60-)
Miniature phone jack(2P)
(E11-0347-05)
Phono jack x 2
(E63-0173-05)
Screw terminal board
(E70-0089-05)
* Refer to parts list on page 32.
Slide switch
(S62-0034-05)
Phono jack
(E63-1020-05)
Optical receiving module
(W02-1181-05)
Phono jack
(E63-1015-05)
VR-208(K)COVER-2P( 98.4.2416:31 y[W 2
background image
AV SURROUND RECEIVER
KRF-V7510D/VR-208
KRF-V8010D/VR-209
SERVICE MANUAL
© 1998-4/B51-5419-00 (K/K) 1796
A
SPEAKERS
B
BASS BOOST
MONITOR
SOURCE
DIRECT
INPUT MODE LISTEN MODE SOUND
SETUP
MULTI CONTROL
INPUT SELECTOR
VOLUME CONTROL
DOLBY DIGITAL
CLIP INDICATOR
DOWN
UP
STANDBY
AV SURROUND RECEIVER
ON / STANDBY
PHONES
- ON
­ OFF
POWER
DIMMER
P.CALL
P.CALL
BAND
AUTO
MEMORY
REC OUT
PHONO
CD
MD / TAPE
MONITOR
PLAY IN
REC OUT PLAY IN
L
R
VIDEO 2
DOLBY DIGITAL / PCM IN
VIDEO 3
VIDEO 1
VIDEO 1
VIDEO 2
VIDEO 3
VIDEO 1
VIDEO 2
VIDEO 3
REC OUT PLAY IN
PLAY IN
PLAY IN
MONITOR
VIDEO IN
VIDEO OUT
FM
75
GND
AM
ANTENNA
(
)
SYSTEM CONTROL
SL16
(XS8)
SUBWOOFER SURROUND
PRE OUT
CENTER
L
R
CENTER SPEAKER
FRONT SPEAKERS
+
+
-
-
R
A
L
C
SURROUND
SPEAKERS
FRONT
SPEAKERS
L
R
+
+
-
-
+
+
-
-
L
R
B
Indicator
(B12-0340-04)
Lock terminal board
(E70-0080-05)
Phono jack
(E63-1021-05)
Phono jack
(E63-1022-05)
Power cord bushing
(J42-0083-05)
AC power cord *
(E30-)
KENWOOD badge
(B43-0302-04)
Knob
(K29-6879-02)
Front glass
(B10-2426-02)
Knob
(K29-6898-03)
Knob
(K29-6880-04)
Knob (BUTTON)
(K27-2274-04)
Phono jack x 2
(E63-0172-05)
Lock terminal board
(E70-0068-05)
AC outlet *
(E03-)
Metallic cabinet
(A01-3534-01)
Foot
(J02-1405-03)
Foot
(J02-1405-03)
Phone jack(3P)
(E11-0295-05)
Knob
(K29-6879-02)
Knob
(K29-6881-04)
Panel *
(A60-)
Miniature phone jack(2P)
(E11-0347-05)
Phono jack x 2
(E63-0173-05)
Screw terminal board
(E70-0089-05)
* Refer to parts list on page 32.
Slide switch
(S62-0034-05)
Phono jack
(E63-1020-05)
Optical receiving module
(W02-1181-05)
Phono jack
(E63-1015-05)
VR-208(K)COVER-2P( 98.4.2416:31 y[W 2
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KRF-V7510D/V8010D/VR-208/209
2
CONTENTS / ACCESSORIES
Contents
CONTENTS / ACCESSORIES ....................................2
CONTROLS .................................................................3
DISASSEMBLY FOR REPAIR .....................................5
BLOCK DIAGRAM .......................................................6
CIRCUIT DESCRIPTION .............................................7
ADJUSTMENT ...........................................................11
PC BOARD ................................................................12
SCHEMATIC DIAGRAM ............................................17
EXPLODED VIEW .....................................................31
PARTS LIST...............................................................32
SPECIFICATIONS .....................................................41
Accessories
FM
(T90-0810-05)
(A70-1194-05) : KP1Y1K1P2Y2M1
(A70-1195-05) : V
Battery cover (A09-0366-08)
(E03-0115-05)
indoor antenna (1)
(T90-0833-05)
Loop antenna stand (1)
Remote control unit (1)
Batteries (R03/AAA) (4)
*AC plug adaptor (1)
*Use to adapt the
plug on the power
cord to the shape
of the wall outlet.
(Accessory only for regions where use
is necessary.)
AM loop antenna (1)
Resetting the Microcomputer
If the microcomputer may malfunction (unit cannot be operated,
or shows an erroneous display) if the power cord is unplugged
while the power is ON, or due to some other external factor. If this
happens, execute the following procedure to reset the micro-
computer and return the unit to its normal operating condition.
Unplug the power cord from the wall outlet, then plug it
back in while holding down the POWER key.
Please note that resetting the microcomputer will clear the contents
of the memory and returns the unit to the state it was in when it left the
factory.
With the power cord plugged in, turn the POWER key
OFF. Then, while holding down the ON/STANDBY key,
press POWER.
For U.S.A. and Canada
For other countries
·
VR-208(K)COVER-2P( 98.4.2416:31 y[W 3
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KRF-V7510D/V8010D/VR-208/209
3
CONTROLS
A
SPEAKERS
B
BASS BOOST
MONITOR
SOURCE
DIRECT
INPUT MODE LISTEN MODE SOUND
SETUP
MULTI CONTROL
INPUT SELECTOR
VOLUME CONTROL
DOLBY DIGITAL
CLIP INDICATOR
DOWN
UP
STANDBY
AV SURROUND RECEIVER
ON / STANDBY
PHONES
- ON
­ OFF
POWER
POWER
STANDBY
ON / STANDBY
DIMMER
P.CALL
P.CALL
BAND
AUTO
MEMORY
***** **
*;
FM
AM
kHz
MHz
3 STEREO
B
S.DIRECT
A
SP
MUTE
DOWNMIX
MONITOR
PRO LOGIC
TUNED
MEMO.
AUTO
ST.
AUTO SOUND
S
SW
C
RS
R
LS
L
LFE
DIGITAL
2
3
9
4 5
7 8
6
0
¡
)
^
%
$
#
@
!
& * (
1
Display
Speaker selection indicators
Input channel indicators
Output channel indicators
AUTO SOUND indicator
Band indicators
AUTO indicator
MEMO. indicator
ST. indicator
TUNED indicator
3 STEREO indicator
STEREO indicator
1 POWER key
(For U.S.A. and Canada)
Use to turn the power ON/OFF.
STANDBY indicator
1 ON/STANDBY (
) key
(Except for U.S.A. and Canada)
Use to switch the power ON/STANDBY
when the POWER is turned ON.
STANDBY indicator
2 POWER key
(Except for U.S.A. and Canada)
Use to turn the main power ON/OFF.
3 DOLBY DIGITAL indicator
Lights when the receiver is in the Dolby
Digital mode.
4 CLIP INDICATOR
Lights when the input signal is too large to
be handled by the receiver, and "clipping"
is occurring.
5 DIMMER key
Use to adjust the brightness of the display.
6 P.CALL keys
Use to call up previously registered radio
stations.
7 BAND key
Use to select the broadcast band.
8 AUTO key
Use to select the auto tuning mode.
9 MEMORY key
Use to store radio stations in the preset
memory.
0 VOLUME CONTROL knob
! PHONES jack
Use for headphone listening.
@ SPEAKERS A/B keys
Use to turn the speakers ON/OFF.
# BASS BOOST key
Use to select the maximum adjustment
setting for the low frequency range.
About the STANDBY indicator
This unit has a STANDBY indicator. When the STANDBY indicator is lit, the unit consumes a small amount of power to preserve the memory. This is called
STANDBY mode. This mode also lets you turn the power ON using the remote control.
Frequency display,
Input display,
Preset channel display,
Surround mode display
Speaker indicator
MUTE indicator
PRO LOGIC
indicator
DIGITAL indicator
S.DIRECT indicator
MONITOR indicator
DOWNMIX indicator
$ MONITOR key
% SOURCE DIRECT key
^ INPUT MODE key
Use to switch between the digital and
analog inputs.
& LISTEN MODE key
Use to select the listening mode.
* SOUND key
Use to adjust the sound quality and ambi-
ence effects.
( SETUP key
Use to select the surround sound settings.
) MULTI CONTROL knob
Used to make a variety of settings.
¡ INPUT SELECTOR knob
Use to select the input sources.
For U.S.A.
and Canada
VR-208(K)COVER-2P( 98.4.2416:31 y[W 6
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KRF-V7510D/V8010D/VR-208/209
4
CONTROLS
8 FUNCTION SHIFT key
Use in combination with the numeric keys
to execute alternate commands.
9 Numeric keys
Provide functions identical to those of the
original remote control supplied with the
component you are controlling.
To access the functions printed above the
keys, press within 3 seconds of pressing
the FUNCTION SHIFT key. Function avail-
ability varies for each component.
0 SHIFT key
Use in combination with the AUDIO and
VIDEO keys to change the remote control
mode without changing the input selector
or in combination with the POWER key to
turn on and off components programmed
into the remote control.
! TV selector key
Sets the remote control to operate a TV or
cable box. This key does not change the
input selector on the receiver.
@ AUDIO selector key
Selects the audio inputs and sets the re-
mote control to operate the respective
KENWOOD audio component.
If you connect audio components from
KENWOOD and other makers to the MD/
TAPE or CD jacks, you can set the remote
control to operate these components by
registering the appropriate setup code at
the respective input.
# GUIDE key
Use to activate the OSD menu functions of
registered components.
$ VOLUME key
Use to adjust the receiver volume.
% MUTE key
Use to temporarily mute the sound.
^ SOUND key
Use to adjust the sound quality and ambi-
ence effects.
& LISTEN MODE key
Use to select the listening mode.
* SETUP key
Use to select the surround sound settings.
1 POWER key
Use to turn the receiver on and off.
Use in combination with the input selector
(AUDIO, VIDEO, or TV) keys and SHIFT
key to turn various components on and off.
2 MACRO key
Use in combination with the AUDIO, VIDEO,
or TV keys to execute a series of com-
mands automatically (MACRO PLAY).
3 VIDEO selector key
Selects the video inputs and sets the re-
mote control to operate the component
registered at the respective input.
4 Multi control keys
Use to operate the selected component.
5 REC key
Use to operate the selected component.
6 TUNING/SKIP key
Use during the setup procedure to specify
various settings. Use to operate the tuner
or selected component.
7 SUBWOOFER key
Use in combination with the VOLUME +/­
keys to adjust the volume of the subwoofer.
There are some cases in which keys (or
knobs) that have the same function on
the receiver and on the remote control
have different names. In the instruc-
tions of this manual, if the names of
corresponding keys (or knobs) on the
receiver and remote control are differ-
ent, the name of the remote control key
is indicated in parentheses.
AUDIO
SHIFT
MACRO
TV
VIDEO
GUIDE
REC
MUTE
VOLUME
TUNING/SKIP
THEME
FAV
MENU
FUNCTION
SHIFT
SETUP
INFO
ALT AUD
TV/SAT/VID
REPEAT
RANDOM
+100
DISPLAY
ENT
+10
LISTEN
MODE
SOUND
SUBWOOFER
2
3
1
5
6
4
8
9
7
0
1
2
3
7
8
9
4
5
6
0
!
#
^
*
&
%
@
$
8
7
4
¢
6
BAND
P. CALL
P. CALL
POWER
VR-208(K)COVER-2P( 98.4.2416:31 y[W 7
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KRF-V7510D/V8010D/VR-208/209
5
DISASSEMBLY FOR REPAIR
1. Remove the 8 screws (1,2,3),
remove the rear panel.
2. Connect the GND of the rear panel
and the chassis, the GND of the
mounting hardware and the chassis
with 2 alligators clip (4)
1
2
2
4
4
4
3
3
x2
x2
x3
(VR-257)
VR-208(K)COVER-2P( 98.4.2416:32 y[W 10

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