Kenwood KRF-V7030D, Service Manual

Page: 7 / 40

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