Microprocessor Periphery Block Diagram; Fl Display (Fip9Gm6R); Key Matrix - Kenwood R-SE7 Service Manual

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R-SE7/SE-7(G)
5. Microprocessor : uPD78045FGF057 (X14 : IC1)

5-1 Microprocessor periphery block diagram

RESET
CE
REMOCON
LEVEL IN
CLASS A LED
BIAS MID
BIAS HI
LOW RELAY
HI RELAY
SPEAKER RELAY
(X09) J5
SERIAL
DATA
BUSY
(X14) IC4
RDS
SIGNAL LEVEL
RDS CLOCK
RDS DATA
(X14) S1
VOLUME ROTARY
ENCODER
ENC-A
ENC-B
(X14) S2
MULTI CONTROL
ENCODER
ENC-C
ENC-D
(R-SE9 only)

Key matrix

60 KR0
64 KS0 DSW0
63 KS1 POWER
62 KS2 N. B. CIRCUIT
61 KS3 pure A
6
CIRCUIT DESCRIPTION
(X14) ED1

FL DISPLAY (FIP9GM6R)

(X14) IC2
u-COM
uPD78045FGF057
3
2
2
59 KR1
DSW1 (D158)
AUTO / MONO
(R-SE7) INPUT SEL.
(R-SE9) MODE
ENTER
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KEY MATRIX
1
4
9
16
No. of : u-COM port No.
58 KR2
DSW2 (D159)
BAND
(R-SE7) TUNING UP
(R-SE9) No. use
(R-SE7) TUNING DOWN
(R-SE9) No use
3
(X05) IC2
PLL IC
(LC72131)
3
(X09) IC1
1
SELECTOR ANALOG
3
SW CONTROL IC
(NJU7313AM)
(X09) IC3
2 ELECTRIC VOLUME
IC (M62420)
(X14) IC3
2
E2PROM IC
(X24C04)
SD
STEREO
HEAD PHONES
PROTECTION
A MUTE
T MUTE
H. P. MUTE
ATT
A CLASS ON
25/8/2013