DAEWOO ELECTRONICS ACP-0106 Series, Service Manual

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FUNCTION OF MICOM IC UPD178016GC
for ACP-0108 Series
25
PIN
66
42
3
64
60
57
45
49
48
51
1
ASSIGN
P_WLED
WARNING LED OUTPUT PORT.
OUT PUT CONDITION : PANEL OFF
TELEPHONE MUTE (ACTIVE LOW)
SE KEY INPURT PORT (ACTIVE LOW)
OPTION DIODE MATRIX INPUT PORT.
OPTION DIODE MATRIX OUTPUT PORT.
RADIO MODE CONTROL PORT
BAND SELECT PORT (TUNER MODE)
RESET FM MW LW
BAND1 : 0 1 0 0
BAND2 : 0 0 1 0
MUTE OUTPUT AT AF CHECKING
(ACTIVE HIGH)
STEREO INPUT PORT. (ACTIVE LOW)
SIGNAL DETECTION PORT.
(ACTIVE HIGH)
SIGNAL METER INPUT PORT.
RANGE : SEEK : LOCAL : SD ACTIVE CHECK
DX : SD ACTIVE CHECK
AF AF CHECK STOP VOLTAGE 2.2 V
P_PHONE
P-SE
P-SIN1
P_DOUT1
P_DOUT2
P_DOUT3
P_DOUT4
58
56
P_BAND1
P_TMUTE
P_ST
P_SD
P_SM
DESCRIPTION I/O
O
I
I
I
I
I
I
O
O
O
O
O
O
O
O
I
I
I
1 : 3
T : 1Sec
NAME
P125
P55
P12/AN12
P123
63
P-SIN2
P122
62
P-SIN3
P121
61
P-SIN4
P120
P37
P35
P34/T12
P33/T11
P_RADIO
47
P62
P60
46
P_BAND2
P61
P64
P63
P66
P10/AN10