ViewSonic PJ503D-1 - Page 109

106
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Model
Title
Date Rev:
ViewSonic Corporation
MAIN BOARD
OUTA
SSP0_CS0
SSP0_CLK
SSP0_DO
CD2
CWD
CD1
CRES
CST
CWTACH
ALVDD
OCLKA
EXT_ARSTZ
CWCTR
BRAKE
PWM3
CWY3
CWCTR
CWY2
CWY1
OUTC
OUTB
2.5VREF
CWSENSOR
OPDIODE
CWINDEXA
SSP0_CS0
SSP0_CLK
SSP0_DO
PWM3
CWTACH
OCLKA
EXT_ARSTZ
P12V
CWINDEXA 9
P5V
GND
P12V
P5V
P5V
See Motor Timing CAP.
Chart
2X Motor Timing Capacitor Selection Guide
# of Poles CD1 (C246) CD2 (C244) CWD (C244) CWCTR (C243)
8
12
16
0.0033uF 0.0033uF
0.0033uF
0.0056uF
0.0027uF 0.0027uF0.0047uF
0.0015uF 0.0015uF
0.01uF
Not Installed
Not Installed
These combinations are recommended starting points.
Testing must be done to confirm these components will be suitable
for a particular motor.
(open)
See Motor Timing CAP.
Chart
C236
0.1U Z
C235
0.1U Z
U33
A8904SLP-T
VBB
15
VDD
4
BRAKEZ
27
OSC
5
RESETZ
9
CSZ
11
CLOCK
12
DATAIN
13
CD2
16
CWD
17
CD1
14
CRES
28
CST
18
SECDAT
3
FILTER
2
OUTA
20
OUTB
24
OUTC
25
CNTRTAP
26
DATAOUT
6
GNDA
1
GNDB
8
GNDC
22
NC1
7
NC2
10
NC3
19
NC4
21
NC5
23
Thermal PAD
G1
C248
1U K
R177
150 J
U32
ADCMP370AKSZ-REEL
INPUT+
1
GND
2
INPUT-
3
VCC
5
OUTPUT
4
RA1
100K F
R189
330K J
R180 1.5 J
+
C233
10U 25V M
12
TP143
R188
10K J
DN13
BAT54SW
21
3
R182 1.5 J
DN12
BAT54SW
21
3
R187
10K J
TP148
TP144
TP146
R181 1.5 J
DN10
BAT54SW
21
3
R190
6.8K
TP147
TP142
C244
2700P K
50V
R183 10K J
C238
1000P K
50V
R184
180
DN11
BAT54SW
21
3
C234
0.1U Z
J15
2KL2021003
1
1
2
2
3
3
G1
G1
G2
G2
R178 OPEN
C249
0.1U K
J14
2KK2084004
1
2
3
4
G1
G2
C241
0.1U K
16V
C246
2700P K
50V
R175
150 J
L36 Z80
TP145
C584
0.1U K
R186
2K J
C242
0.1U K
16V
C245
4700P K
50V
R179 OPEN
R185
75K J
C247
0.22U K
C239
1000P K
50V
C251
10P J
C237
0.1U Z
C240
1000P K
50V
L35 Z80
C250
0.1U K
RA2
62K
R176
150 J
C243
OPEN
25V