Aiwa XP-V320, Service Manual

Page: 19 / 30

-19-
1
2
3-5
6
7-10
11-26
27-30
31
32
33
34-37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
Pin No. Pin Name I/O Description
Positive polarity power supply (except for port section).
Feeding the LCD drive power supply voltage.
LCD drive power supply voltage.
Ground potential (except for port section).
Common signal output from LCD controller/driver.
Segment signal output from LCD controller/driver.
P93-P90. (Signal name: COM3-COM0). COM3-COM0 relay port.
P87. (Signal name: TSTMOD) (Connected to Ground). L: TEST MODE. (Not connected)
P86. (Signal name: CDRW). L: CD-RW.
P85. (Signal name: AGON). H: AGON.
P84-P81. (Not connected)
P80. (Signal name: SHOCK) (Connected to Ground). L: Gain-up circuit operation during shock.
A/D comparator analog power supply.
A/D comparator reference voltage.
Signal name: OPEN. OPEN switch. Lid opens at 1 Dh or more.
Signal name: K-HLD. RESUME/HOLD key accepts.
Signal name: K-OTH. BS, FS, MODE, DSL key accepts.
Signal name: VDIN. Battery voltage monitoring.
Signal name: RMC. Remote control key accepts.
Signal name: MUTLR. Zero data detection. MUTE at CDH or more.
Connected to Ground.
A/D comparator ground potential.
Signal name: DRF. Focus ON detection signal.
Not connected.
Signal name: WRQ. Interrupt signal from DSP.
Signal name: DO. Serial data reception from DSP.
Signal name: BEEP. Square wave output for BEEP sound.
Signal name: DI. Data output to DSP.
Signal name: CE. Chip enable output to DSP.
Signal name: CL. Serial clock output to DSP.
Signal name: K-STOP. H: When STOP button is pressed.
Signal name: K-PLAY. H: When PLAY button is pressed.
Signal name: ACDECT. H: AC adapter is detected.
Not connected.
Signal name: SPCON. H: Spindle stop.
Signal name: SLCON. H: Sled stop.
Signal name: LSW. L: Sled inner circumference limit.
Signal name: APOFF. L: DC-DC CONV OFF.
Not connected.
Signal name: XRST. L: DSP reset.
System reset input.
VDD1
BIAS
VLC0-VLC2
VSS1
COM0-COM3
S0-S15
P93/S16-P90/S19
P87/S20
P86/S21
P85/S22
P84/S23-P81/S26
P80/S27
AVDD
AVREF
ANI6/P66
ANI5/P65
ANI4/P64
ANI3/P63
ANI2/P62
ANI1/P61
ANI0/P60
AVSS
P27/INTP3
P26/INTP2
P25/INTP1
P24/INTP0
P23/TO2
P22/S1
P21/S0
P20/SCK
P53
P52
P51
P50
P03
P02
P01
P00
P47
P46
_____________
RESET
—
—
—
—
O
O
I
I
O
O
O
I
—
—
I
I
I
I
I
I
I
—
I
O
I
I
O
O
O
O
I
I
I
O
O
O
I
O
O
O
I
IC DESCRIPTION-2/3 (µPD789406AGC-014)-1/2