LG RD-JT30 Service Manual page 162

5
D
AL VDD
R53 R54 R55 R56
1K 1K 1K 1K
C
EXT-ARSTZ
MTRSELZ
MTRCLK
MTRDATA
C97
2700P K
50V
B
A
5
4
P12V
L3
80 OHM
C86
C87 C88 10U C89
0.1U K 0.1U K 0.1U K
16V
16V 16V 16V
P5V
L4
A LVDD
80 OHM
C91 C92
0.1U K 0.1U K
P5V
16V 16V
U9
CKMTR1 R52 39.2F
2 4
R57
74V1G14S
1K
BRAKE
EXT-ARSTZ
MTRSELZ
MTRCLK
MTRDATA
C D2
C W D
C D1
CR ES
CST
C98 C99
4700P K 2700P K
50V 50V C100 C101
0.22U K 1 U K
1206 1206
50V 25V
4
3
C90
0.1U K
16V
A8902
U10
1
VBB
15
VDD
R59
11 5 OUTA
BRAKEZ OUTA
OUTB R60
16 8
OSC OUTB
20
RESETZ
OUTC R61
21 9
CSZ OUTC
22
CLOCK
23 10 C WC TR
DATAIN CNTRTAP
2 17
CD2 DATAOUT
3 CWT ACH
CWD
24
CD1
12
CRES
4 6
CST GNDA
7
GNDB
14 18
SECDAT GNDC
13 19
FILTER GNDD
MFILT
R62 MFILT1
1.5MF
C102 C103
0.022U K 0. 33U Z
50V 0805
50V
Include Guard Ring Around
these components on top and
buttom layers
3
2
3 3
3 DN1 DN2
DN4 BAT54SW BAT54SW
BAT54SW
R48 R49
C93 C94
150 150
1000P J 1000P J
50V 50V
1.5
1.5
1.5
C96
0.022U K
50V
(open)
See Motor Timing CAP. Chart
2X Motor Timing Capacitor Selection Guide
# of Poles C97 C98
8 0.0033uF 0.0056uF
12 0.0027uF 0.0047uF
16 0.0015uF 0.0033uF
These combinations are recommended starting points.
Benq Corporation
Project Code
Title
Size
<Size>
D a te:
2
1
3
DN3
BAT54SW
R50
C95
150
1000P J
50V
J4
TP14
G2
TP15
C W Y 3 4
TP16
C W Y 2
3
TP17
C W Y 1
2
C WC TR 1
G1
20K2170004
C99 C96
0.0033uF 0.01uF
0.0027uF Not Installed
0.0015uF Not Installed
Model Name OEM/ODM Model Name
N A
99.J5577.001 JT31
MAIN BOARD
P C B R ev. Do cu ment Number R e v .
PC B P/N
48.J5501.S02 S02
304-C01
Wed nesd ay, Nove mber 20, 2002
Sheet 6 o f 20
Pre pared By Re vi ewed By A p proved By
D A V I D HN L IN
A NGEL HU H.C . TSOU
1
D
C
B
A
0