Daewoo AKF-0305 Series, Service Manual

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32
FUNCTION OF MICOM IC
PIN
59
52
53
54
55
11
12
13
14
21
40
38
39
27
28
29
30
23
24
25
26
7
8
9
63
35
PIN NAME
PJ1
PL0
DM-21 MAIN MOTOR CONTROL PORT.
INPUT DATUM FROM THE RDS DEMODULATOR IC THE
TIMING CHART OF DATA IS ILLUSTRATED ON BACK
PAGES.
KEY & LCD DRIVER IC INTERFACE PORTS
EVR IC INTERFACE PORTS.
OPTION DIODE MATRIX INPUT.
OPTION DIODE MATRIX OUTPUT.
RDS DATA MEMORY EEPROM CONTROL PORT.
MULTI-PATH INPUT PORT.
* INPUT RANGE : 0.6~0.9V
LCD BACK-LIGHTING COLOR CONTROL PORT
RESET : COLOR ---> LOW
TWO KEY IN : COLOR CHANGE
DECK EQ IC MUTE ADJUST PORT.
PK3
PK2
INT1
PE3/SI2
PE2/SO2
PE1/SCK2
PE0
PC1
PO0
PO2
PO1
PA3
PA2
PA1
PA0
PB3
PB2
PB1
PB0
PF3
PF2
PF1
PF3
PP1
DESCRIPTION I/O
O
O
I
I
I
I
O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
I
O
O
I
O
MTR_ON MTR_FF
PLAY : HIGH LOW
FF/REW : HIGH HIGH
STOP : LOW LOW