Toshiba W-808, Service Manual

Page: 111 / 149

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