Kenwood RXD-790 Service Manual page 10

RXD-790/V860/V890
7. Expander IC
7-1 Expander port connection
CLR
(X14) IC5
(X28) IC6
(X32) IC5
(X32) IC9
10
CIRCUIT DESCRIPTION
P1 EMPHASICE
P2 ECHO A
P3 ECHO B
P4 POWER
P5 SRS LED
3ST LED
P6
NJU3714
P7 PRO LED
H.TAP
P8
DC OFF
P9
DOLBY
P10
SP RELAY
P11
CS RELAY
P12
A SOL
P1
A CPM
P2
B SOL
P3
B CPM
P4
BEAT CANCEL
P5
R/P
P6
NJU3714
P7 RMUTE
P8 A/B
P9
BIAS
P10 NR
P11
D-R/P
P12
LMUTE
P1
LDC
P2
PMON
P3
CD VMUTE
P4
NTSC/PAL
P5
BRKM
P6
LMF
P7
NJU3713 RMR
P8
LMR
P9
RMF
P10
CD MUTE
P11
AUTO/MANUAL
P12
CD RST
IC DATA
IC CLK
SIN LOAD CLK
UNLOAD A
(X32) IC6
LOAD B
PARALLEL
NC C
SERIAL
MUTE D
+3.3C E
TC74HC166
UP SW F
DN SW G
LMT SW H
EX ST
SEL ST
DOLBY ST
DAC ST
SANYOU CE
(X05) IC2
B01
DO
B02
B03
PLL IC
LC72131
B04
101
102
(X09) IC5
SYSTEM IC
LC75393E
(X08) IC1,2
DOLBY IC
LV1016
LA2786
(X08) IC4
C.S VOL IC
LC7536
RXD-790
/V890
(X09) IC1
INPUT SEL IC
NJU7536
(X32) IC14
DAC IC
PCM1717E
LOAD CLK
A EMPHA
(X32) IC7
B
DPSS
PARALLEL
C NC
SERIAL
D
NC
SI
QH
E PAL/NT
TC74HC166
F
PS SW
G ST SW
H NC
RXD-V860/V890
AM
LW/SW
MONO
FM
ATT
IF ON