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Alpine CVA-1004R Service Manual page 47

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No.
Symbol
44
I/F-SCL(SCK0)
45
BDET
46
BUS-IN(RXD0)
47
BUS-OUT(TXD0)
48
BUS-SCL(P15)
49
BUS-RS
50
BUS-RW
51
BUS-RST
52
NAVI/AUX
53
VMUTE
54
RGB/COM
55
FM/AM
56
LCD-ON
57
ADET
58
P.ANT
59
O.REM
60
VDD
61
P.CONT
62
DD-SHIFT1
63
NC
64
65
DD-SHIFT2
66
DD-SHIFT3
67
DIM OUT
68
B.L OFF
69
BUS-IRQ
70
SUB-CLK
71
72
GND
73
MAIN-CLK
74
75
NC(PULL-DOWN)
76
BUZZER
77
POS SW
78
END SW
79
TILT SW
80
FULL SW
81
NTSC/PAL
82
MODEW
83
MODEN
84
7511-SDA
85
ACT-IND
86
7511-SCL
87
MCONT
88
LOAD-MTR1
I/O
O
Serial Clock output terminal for external BOX. (connected writng writer SCK)
Compulsion Stand-by detected input terminal.
I
(BATT voltage : less than 7.65 to 8.93V)
I
Ai-NET BUS Data signal input terminal. (connected TxD at writing writer UART)
O
Ai-NET BUS Data signal output terminal. (connected RxD at writing writer UART)
O
Ai-NET BUS Clock signal output terminal. (connected writing writer HS)
O
Ai-NET BUS RS signal output terminal.
O
Ai-NET BUS R/W signal output terminal.
O
Ai-NET BUS RESET signal output terminal.
Composite NAVI/AUX Video switching signal output terminal at un-connecting
O
external BOX.
O
Composite signal/OSD signal/NAVI-RGB signal switching control output terminal.
O
NAVI-RGB signal/composite signal/OSD signal switching control output terminal.
O
FM/AM power supply circuit control output terminal.
O
Backlight circuit control signal output terminal for LC75850.
I
ACC stand-by detected input terminal. (ACC voltage : less than 8.5V)
O
POWER ANT circuit control signal output terminal.
O
Remote signal output terminal for outernal Unit.
-
VDD+5V connect terminal.
O
POWER ON +B circuit control output terminal.
Driving frequency control output terminal for Liquid Crystal Display Monitor
O
±power supply circuit.
-
No connect terminal.
Driving frequency control-1 output terminal for Liquid Crystal Display Monitor
O
backlight circuit.
Driving frequency control-2 output terminal for Liquid Crystal Display Monitor
O
backlight circuit.
Backlight circuit reduced lighting control signal output terminal for Liquid Crystal
O
Display Monitor.
O
Backlight circuit control signal output terminal fo rLiquid Crystal Display Monitor.
I
Ai-NET BUS interrupt terminal.
-
Crystal connect terminal for sub clock OSC. (32.768kHz)
-
GND connect terminal.
-
Crystal connect terminal for main clock OSC. (19.95MHz)
-
Pull-down connect terminal.
O
BUZZER output terminal.
I
Discharge position detction signal input terminal.
I
Storing position detction signal input terminal.
I
Horizontal position detction signal input terminal.
I
Forefront position detction signal input terminal.
O
NTSC/PAL signal switching control signal output terminal.
O
Aspect switching control-1 output terminal for Liquid Crystal Display monitor.
O
Aspect switching control-2 output terminal for Liquid Crystal Display monitor.
I/O IIC Data input/output terminal for 7511-TUNER control.
O
Green action indicator control signal output terminal. (at CLOSE : L)
O
IIC Clock output terminal for 7511-TUNER control.
O
Motor power supply circuit control signal output terminal.
O
Motor Driver driving signal-1 output terminal for horizontal movement adjustment.
Terminal Description
TO SCHEMATIC
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