Kenwood KRF-V7030D-S Service Manual page 7

QQ
3 7 63 1515 0
3-4 Switch control table
3-4-1 IC106(X07) INPUT/REC OUT SELECTOR:NJU7313AM
L-ch R-ch
SW# Function
pin# pin#
S1 27 2 TUNER
S2 26 3 PHONO
S3 25 4 CD
S4 24 5 TAPE/MD
TAPE/MD
S5 22 7
REC OUT
VIDEO1 REC
S6 21 8
OUT
S7 19 10 ANALOG
S8 18 11 DIGITAL
IC109(X07) INPUT/ATT. SELECTOR:NJU7313AM
S1 27 2 VIDEO1
S2 26 3 VIDEO2
S3 25 4 VIDEO3
S4 24 5
FRONT AUX
S5 20 9 LINE
S6 21 8 MONITOR
S7 19 10 ATT1
S8 18 11 ATT2
3-4-2 ANALOG 6CH INPUT SELECTOR
IC14(X08) ANALOG 6-CH INPUT SELECTOR: NJU7311AM
PORT PIN#
TE
L 13942296513
LS1 3
CENTER
LS2 2
LS3 5
SURROUND L-CH
LS4 6
LS5 9
FRONT L-CH
LS6 8
LS7 11 REC OUT SW L FOR 6-CH INPUT
RS1 28
SUBWOOFER
RS2 29
RS3 25
SURROUND R-CH
RS4 26
RS5 22
FRONT R-CH
RS6 23
RS7 20 REC OUT SW R FOR 6-CH INPUT
3-4-3 CONFIGURATION SELECTOR
IC12(X08) CONFIGURATION SELECTOR: NJU7311AM
L-ch R-ch
SW#
pin# pin#
S1 2 29
www
S2 3 28
S3 5 26
S4 6 25
.
S5
S6
S7 11/20
CIRCUIT DESCRIPTION
INPUT SELECTOR
TUNER PHONO CD TAPE/MD VIDEO1
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
1 1 1 0
1 1 1 1
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
FUNCTION
Function SURROUND
SURROUND
STEREO
DIGITAL
x ao u163
y
ANALOG
i
CONFIG.
KRF-V7030D/V8030D/VR-407/409
2 9
8
FRONT
VIDEO2 VIDEO3
AUX
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
1 1 1 1
0 1 1 1
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
6-CH INPUT
Q Q
3 6 7 1 3
OTHERS
6-CH INPUT
OTHERS
6-CH INPUT
OTHERS
6-CH INPUT
OTHERS
6-CH INPUT
OTHERS
6-CH INPUT
OTHERS
6-CH INPUT
MODE
STEREO DSP
1 0
0 1
1
0
.
9 4 2 8
MODE TAPE MON
ANALOG DIGITAL ON OFF
1 0
0 1
0 1
1 0
SELECTOR
OTHERS
1 5 0 5 8 2 9 9 4
0 1
1 0
0 1
1 0
0 1
1 0
1 0
0 1
1 0
0 1
1 0
0 1
1 0
1 0
OUTPUT CONFIGURATION
ANALOG SW OFF
m
0
co
1
1
9 9
ATT.
ATT1 ATT2
OFF
(-6dB) (-3dB)
1 0 0
0 1 0
TAPE2
2 8 9 9
1
0
1
0
1
0
1
1
0
1
0
1
0
1
SW ON
0
7