1060VR/1070VR/KR-V8090/KR-V9090
Indicator tube
(11-MT-110GK)
Indicator tube driver
(uPD16311GC-AB6)
RDS
Signal level
RDS clock
RDS data
Key matrix
PLL IC
(LC72131)
Selector analog
switch control IC
(NJU7311/7312/7313)
Electron volume IC
(TC9412P/9413P)
Electron tone
control IC
(TC9184P)
Video selector IC
(SN761200N)
DSP
(56004)
Selector encoder A
Selector encoder B
Volume encoder A
Volume encoder B
CH SPACE
Remote controller
reception
SL16 / XS8
Serial BUSY
Serial DATA
SD
STEREO
RESET
CE
PROTECT
LOUDNESS
MUTE
-20dB ATT
RELAY POWER
RELAY A
RELAY B
RELAY CS
RELAY TR
(X08) IC28
u-COM
CXP82840-120Q(K,P,M)
CXP82852-107Q(E,T,Q)
MUTE LED
STANDBY LED
(X08) IC40
(X14) ED1
(X14)
(X05) IC2
(X08) IC2,12 (X09) IC3,4
(X08) IC5,7,9
(X08) IC13
(X08) IC1
(X08) IC26
(X14) IC1
11
16
4
9
CIRCUIT DESCRIPTION
1. Microprocessor CXP82840-120Q/CXP82852-107Q(X08-, IC28)
1-1 Microprocessor periphery block diagram
No.
Name
I / O
Description
1
NC
O
2
NC
O
3
NC
–
Connects to VDD
4
RDS CLK
I
RDS clock signal input
5
RDS DATA
I
RDS data signal input
6
VOL ENC A
I
Volume encoder A input
7
VOL ENC B
I
Volume encoder B input
8
REMOCON
I
Remote controller data input
9
CH SPACE
I
Tuner description switching input
10
NC
–
11
NC
–
12
SEL ENC A
I
Selector encoder A input
13
SEL ENC B
I
Selector encoder B input
14
PLL DO
I
PLL IF counting value input
15
PLL CE
O
LC72131 (PLL) strobe signal output
16
PLL CLK
O
LC72131 (PLL) clock signal output
17
PLL DATA
O
LC72131 (PLL) data signal output
1-2 Terminal explanation
7
