Kenwood R-SE9 Service Manual page 5

3. Microprocessor : uPD78045FGF065 (X14 : IC1)
3-1 Microprocessor periphery block diagram
RESET
CE
REMOCON
LEVEL IN
EX. BASS LED
FAN ON
FAN HI
LOW RELAY
HI RELAY
SPEAKER RELAY
(X09) J5
SERIAL
DATA
BUSY
(X14) IC4
RDS
SIGNAL LEVEL
3
RDS CLOCK
RDS DATA
(X14) S1
VOLUME ROTARY
ENCODER
2
ENC-A
ENC-B
(X14) S2
MULTI CONTROL
ENCODER
2
ENC-C
ENC-D
Key matrix
60 KR0
64 KS0 DSW0 (D25)
63 KS1 POWER
62 KS2 N. B.
61 KS3 EX. BASS
CIRCUIT DESCRIPTION
(X14) ED1
FL DISPLAY (FIP9GM6R)
9
(X14) IC1
u-COM
uPD78045FGF065
No. of
59 KR1
DSW1 (D26) DSW2 (D29)
AUTO / MONO
MODE
ENTER
R-SE9/SE9T
KEY MATRIX
1
4 3
16
3
: u-COM port No.
58 KR2
BAND
No. use
No use
(X05) IC2
PLL IC
(LC72131)
(X09) IC1
1
SELECTOR ANALOG
3
SW CONTROL IC
(NJU7313AM)
(X09) IC3
2 ELECTRIC VOLUME
IC (TDA7319)
(X14) IC3
2
E2PROM IC
(X24C04)
SD
STEREO
HEAD PHONES
PROTECTION
A MUTE
T MUTE
H. P. MUTE
ATT
A CLASS ON
5