Kenwood KDC-C719MP, Service Manual

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KDC-CMP59FM
MICROCOMPUTER'S TERMINAL DESCRIPTION
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63
64,65
66
67
68
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72
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76
77
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80
ALC LOW S5
MUTE S4
SEP ATT S3
RELAY S2
P ON S1
COM2,COM1
REMO INT
HOLD
RES
AOI
HCTR
LCTR
SNS
VDD
FMIN
AMIN
VSS
EO1
EO2
TEST1
XOUT
O
O
O
O
O
O
I
I
I
I
I
I
I
-
I
I
-
O
O
I
-
Not used (N.C.)
"Hi" : POWER OFF mode
"Lo" : POWER ON mode
"Hi" : Mode2, "Lo" : Mode1
"Hi" : RF modular output,
"Lo" : Vehicle antenna output
"Hi" : RF modulator circuit is active.
Not used (N.C.)
"Lo" : Microprocessor stop
Not used (pull up to +5V lines.)
Not used (pull down to GND lines.)
Not used (pull down to GND lines.)
Not used (pull down to GND lines.)
Not used (pull down to GND lines.)
Connected to +5V lines.
Not used (pull down to GND lines.)
Connected to GND lines.
Not used (N.C.)
Not used (pull down to GND lines.)
Mute output
Separation attenuator output
Relay SW control
P ON output
Remote control sensor input
Hold input
Positive power supply connection terminal
FM input
AM input
Ground connection terminal
FM frequency control output
Test mode terminal 1 for test mode
Main clock resonator connection terminal
1
2
3,4
5
6
7-9
10
11
12
13
14
15
16
17
18
19
20
21
22
23-25
26
27,28
29
30
31
32
33-35
36
37
38
39
40-58
PIN No. I/O Pin Name Description Processing Operation
•
IC2 (RF MODULATOR UNIT) For KDC-CMP59FM
XIN
TEST2
PG3,PG2
PG1
PG0
PH3-PH1
PH0 MUTE1
PF3 MUTE0
PF2 REQC
PF1 REQH
PF0 CHCON
PE3 DATA IN
PE2 DATA OUT
PE1 SCK
PE0
PD3 DATA OUT
PD2 CLK
PD1 RST
PD0 CE
PC3-PC1
PC0 SEPA
PB3,PB2
PB1 GAIN1
PB0 GAIN2
VDD+5V
PA3 DATA IN
PA2-PA0
PI31 S28
PI21 S27
PI11 S26
PI01 S25
S24-S6
I
I
I
I
I
O
O
O
I
O
O
I
O
O
O
O
O
O
O
O
O
O
O
-
I
I
O
O
O
O
O
Not used (pull down to GND lines.)
Not used (pull down to GND lines.)
Not used (pull up to +5V lines.)
Not used (pull down to GND lines.)
Not used (N.C.)
Not used (N.C.)
Not used (N.C.)
"Lo" : Communication requested
"Lo" : Communication requested
"Hi" : Operation mode,
"Lo" : Standby mode
Not used (N.C.)
"Lo" : Reset
Not used (N.C.)
"Hi" : Mode1, "Lo" : Mode2
Not used (N.C.)
"Hi" : Level 1/3, "Lo" : Level 2/4
"Hi" : Level 3/4, "Lo" : Level 1/2
Connected to +5V lines.
Not used (connected to GND lines.)
Not used (N.C.)
Not used (N.C.)
Not used (N.C.)
Not used (N.C.)
Not used (N.C.)
Main clock resonator connection terminal
Test mode terminal 2 for test mode
Communication request input from CH
Communication request output to CH
Control output to CH
Data input from CH
Data output to CH
Clock output to CH
Data output to LCD
Clock output to LCD
Reset output to LCD
CE output to LCD
Separation select output
GAIN1 output
GAIN2 output
Positive power supply connection terminal
Data input from LCD
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