Kenwood KRFV 8030 Service Manual

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7 KRF7V7030D(K)COVER1,1P( 00.2.28 10:28 AM «by 2 +
KRF-V7030D/V8030D/VR-407/409

CONTENTS / ACCESSORIES

Contents

CONTENTS / ACCESSORIES .................................. 2 SCHEMATIC DIAGRAM .......................................... 17
BLOCK DIAGRAM ..... EXPLODED VIEW.

CIRCUIT DESCRIPTIO .. PARTS LIST ...........
ADJUSTMENT ........... ...11 SPECIFICATIONS .................................................... 51
PC BOARD .............................................................. 12
Accessories
FM indoor antenna (1) AM loop antenna (1) AC plug adaptor (1)
(T90'0836'05) (T90'0852'05I IE03'01 1505) Use to adapt the plug on the power cord
a i to the shape of the wall outlet.
I (Accessory only for regions where use is
necessary.)
Remote control unit (1) Batteries (RS/AA) (2) Remote control unit (1) Batteries (RS/AA) (2)
RC- R0609/R0610 RC-R0808/0809

W ,7 7 *0 ,/ o o
,nuooo®nunn «EDD-EQBUQCCCOOO .
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Model name vs remote controller

Remote Controller
MODEL Destinations Parts number Model name Battery cover

r\
\/

VR-407 K A70-1330-05 RC-R0609 A09-1178-08
VR-407 P A70-1330-05 RC-R0609 A09-1178-08
KRF-V7030D Y A70-1330-05 RC-R0609 A09-1178-08
KRF-V7030D-S M A70-1330-05 RC-R0609 A09-1178-08
KRF-V7030D-S | A70-1330-05 RC-R0609 A09-1178-08
KRF-V7030D-S X A70-1330-05 RC-R0609 A09-1178-08
VR-407-S K1 A70-1330-05 RC-R0609 A09-1178-O8
VR-409 K A70-1315-05 RC-R0809 A09-1166-O8
VR-409 P A70-1315-05 RC-R0809 A09-1166-08
KRF-V8030D Y A70-1315-05 RC-R0809 A09-1166-08
KRF-V8030D-S M A70-1315-05 RC-R0809 A09-1166-08
KRF-V8030D-S | A70-1315-05 RC-R0809 A09-1166-08
KRF-V8030D-S X A70-1315-05 RC-R0809 AOQ-1166-08
KRF-V8030D E A70-1345-05 RC-R0808 A09-1166-08
KRF-V7030D E1 A70-1331-05 RC-R0610 A09-1178-08
KRF-V7030D T A70-1331-05 RC-R0610 A09-1178-08
Cautions

Resetting the Microcomputer

If the microcomputer may malfunction (unit cannot be operated, For U'S'A' and Canada

or shows an erroneous display) II the power cord IS unplugged Unplug the power cord tram the wall outlet, then plug it back in

while the power is ON, or due to some other external factor. If while holding down the POWER key.
this happens, execute the following procedure to reset the

microcomputer and return the unit to its normal operating
condition. For other countries

With the power cord plugged in, turn the POWEFt key OFF. Then,

' ' '|| | th
Please note that resetting the microcomputer WI 0 ear e contents while holding down the ON/STANDBV key, press POWER.

of the memory and returns the unit to the state it was in when it left

th e factory.

l l 4

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KRF-V7030D/V8030D/VR-407/409

CIRCUIT DESCRIPTION

3-4 Switch control table
3-4-1 |C106(X07) INPUT/REC OUT SELECTOR:NJU7313AM

INPUT SELECTOR MODE TAPE MON ATT.
L-ch R-ch . FRONT ATT1 ATT2
SW6)1 pin Dim? Funfllon TUNER PHONO CD TAPE/MD VIDEO1 VIDEOZ VIDEOS AUX ANALOG DIGITAL ON OFF (-SdB) (413) OFF
S1 27 2 TUNER 1 0 0 O 0 0 0 0
$2 26 3 FHONO 0 1 0 0 0 0 0 0
SS 25 4 CD 0 0 1 O 0 0 0 0
S4 24 5 TAPE/MD 0 0 0 1 0 0 0 0
TAPE/MD
SS 22 7 REC OUT 1 1 1 O 1 1 1 1
VIDEO1 REC
$6 21 8 OUT 1 1 1 1 0 1 1 1
S7 19 10 ANALOG 1 0
SS 18 11 DIGITAL 0 1
IC109(X07) INPUT/ATT. SELECTOR:NJU7313AM
S1 27 2 VIDEO1 0 0 0 O 1 0 0 0
$2 26 3 VIDEOZ 0 0 0 0 0 1 0 0
SS 25 4 VIDEOS 0 0 0 0 0 O 1 0
S4 24 5 FRONT AUX 0 0 0 O 0 0 0 1
SS 20 9 LINE 0 1
S6 21 8 MONITOR 1 0
S7 19 10 ATT1 1 0 0
SS 18 11 ATT2 0 1 0

3-4-2 ANALOG GCH INPUT SELECTOR
|C14(X08) ANALOG 6-CH INPUT SELECTOR: NJU7311AM

SELECTOR
PORT P|N# FUNCTION 6-CH INPUT OTHERS TAPE2

0 L81 3 CENTER OTHERS o 1 1
LS2 2 6-CH INPUT 1 o 0
L83 5 SURROUND L_CH OTHERS o 1 1
LS4 5 6-CH INPUT 1 o 0
L85 9 FRONT L_CH OTHERS o 1 1
L86 8 6-CH INPUT 1 o 0
L87 11 REC OUT SW L FOR 6-CH INPUT 1 o 1
RS1 2s SUBWOOFER OTHERS o 1 1
RS2 29 6-CH INPUT 1 o o
RS3 25 SURROUND R_CH OTHERS o 1 1
R84 25 6-CH INPUT 1 o o
RS5 22 FRONT R_CH OTHERS o 1 1
R36 23 6-CH INPUT 1 o o
RS7 2o REC OUT SW R FOR 6-CH INPUT 1 o 1
3-4-3 CONFIGURATION SELECTOR
|C12(X08) CONFIGURATION SELECTOR: NJU7311AM

MODE OUTPUT CONFIGURATION
SW# Iii-r61; 3;er Function SURROUND STEREO DSP ANALOG sw OFF sw ON

S1 2 29 SURROUND 1 0
s2 3 28 STEREO o 1
$3 5 26 DIGITAL 1 0
s4 6 25 ANALOG o 1
$5
$6
87 11/20 CONFIG. 1 o