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7-5-2. IC501 Main Microcomputer Output Polarity
IC501 MAIN MICROCOMPUTER OUTPUT POLARITY
MODE
Pin.
SLOT
NO.
IN
Pin Name
1
LOAD (+)
L
2
LOAD (–)
H
5
ECO MODE
H
6
PB (L)
H
14
POWER ON
H
32
PV / PH
L
33
OSD FULL
H *1
34
C–PWM
PWM
35
D–PWM
L
36
REC (H)
L
37
V / A SWP
39
VIDEO SW.P
–
40
COLOR ROTOR
–
41
HASW
43
REC CTL OUT
53
IIC BUS CLK
55
SENSOR CTL
H
67
SIO DATA OUT
68
SUB SIO CLK
82
SP(L)LP(M)EP(H)
L
83
SUB SIO STB
84
SUB uP RESET
H
85
OSD SIO CLK
86
OSD SIO DATA
87
OSD SIO STB
88
OSD RESET
H
89
AUDIO MUTE
L
91
INPUT SELECT 2
*3
92
INPUT SELECT 3
*3
93
CAP Vcc Hi
L
94
CAP Vcc Mid
H
95
CAP F / R
L
96
CTL SCHMITT
L
97
CTL AMP GAIN
L
*1
: OSD Full Pull "L" during full screen OSD display.
*2
: In the absence of c.sync, Audio Mute goes "H".
*3
: L1 / L2: Line1=L / L, Line2=L / H, Tuner=H / L
*4
: "H" when the control speed is greater than LPx20, and "L" in other modes.
*5
: "L" when the control speed is greater than LPx20, and "H" in other modes.
*6
: "H" in ACC. Search (SPx7, EPx21). "L" in other modes.
*7
: "H" when the control speed is greater than LPx5.
Un–
SLOT
Load
STAND
Load
STOP
–ing
OUT
–BY
–ing
H
L
H
L
L
L
H
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
PWM
L
PWM
L
L
L
L
L
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
H
H
H
H
H
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
*2
L
*2
L
L
L
L
L
L
L
L
L
L
H
L
H
–
H
L
L
L
L
L
L
L
L
L
L
PLAY
X2
CUE
FF
REW
SP SLP
SP SLP
SP SLP
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
L
L
L
H
H
H
H
H
L
L
L
3ST
3ST
PWM
L
L
L
L
L
–
–
–
–
L
H
–
–
–
–
–
H
H
H
H
H
M
M
L
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
L
L
L
H
H
*4
*4
L
L
L
*5
*5
L
L
*6
L
H
L
L
L
L
L
L
L
L
L*7
L*7
L
L
L
REV
STILL
R.STILL
SLOW
R.SLOW
SP SLP
SP SLP
SP EP
SP SLP
SP EP
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
L
L
L
L
L
H
H
H
H
H
3ST
3ST
3ST
3ST
3ST
L
L
PWM
PWM
L
L
L
L
L
L
H
–
–
–
–
–
H
H
H
H
H
L
H
L
H
L
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
*6
L
L
L
L
H
L
L
L
H
OPEN
H
OPEN
L
L
L
L
L
POWER
REC
REC
OFF
PAUSE
SP SLP
CLOCK
SP EP
ON OFF
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
H
H *1
H
L
L
L
H
L
L
L
L
L
L
H
L
H
L
–
OPEN
OPEN
H
H
L
L
H
L
H
L
H
L
L
H
H
H
L
L
L
L
H
H
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Table 7-5-1
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