Advertisement
I
I
.1
• G (MAIN RECT, POWER SUPPLY) BOARD
A
B
C
D
E
F
G
H
J
1
2
3
&
t-12V
.,_,\:&
91
55VB60
©
EXT
POWER
SUPPLY
0
AC SW IN
4
AC SW OUT
3
AC
SW
IN
AC
SW
OUT
CN2
4P
WT
,YH
G (
MAIN RECT
)
POWER SUPPLY
Note: As !her are two kinds ot ground
on this board. be careful when
measuring the voltages or waveforms.
4
5
QII
020
Q3
Q4
!lTA 144ESA
SLR-305VC 25C2785 25A 1175
RS
R7
RIO
RIZ
2211: 2211.
IOk
Z2k
Q2
Q13
OTC 144ESA OTC 144ESA
6
ICZ (1/2)
LM393P
RIS
!Ok
•RN
Ql6
BTC144ESA
7
GATE ERV
VCC
CT
SOFT START
R SET
V
SENSE
ENABLE
V
REF
!Cl
UC3854N
GN!l
PK LHT
CA OUT
SENSE
HPX OUT
!AC
IN
VA OUT
VRHS
IN
R26
R27
470k
4701t
CN4
5P B
TOB
H.ORV
H.ORV
I
TO GA BOARD
2
C34
CNIOI
47
4
25V
H ORV RTN
•HT
H ORV RTN
5
•
L ORV
L ORV
10
GND
9
OCP
013
OCP !FETJ
8
7
ROI 8£582
1"15V
V ref
TO GA BOARD
Y
r,r
6
CNI02
Yfeedback
5
V
fb
p
POWER
4
GNO
3
GND
2
GNO
CN5 IOP
B
TO
B
5-107
014
G
G
8
05
IRFP450-LF
EGPIOO
TP9
' '
' '
R66
470k
R67
470k
DI&
9
R79
330•
•RN
R69
ID•
R70
220k
R71
220k
SLR-305VC
QB
2SC3632
R6B
10,
'
'
®
L-----------1
10
11
! -,
r-----+--o-v_•_"-~.,.To
~~fOARD
I
PFC RTN
RS9
IH
1/2W
R72
•RC
470•
R73
470•
GND
Qg
2SAl413K
TO GC SOARD
CNI
D+5V
12
13
~·12V
TP3
Bil
!l1NS4
+
C29
fsa3v
ICIOZ
SE005N
o.W22
630V
,pp
5-108
QIOI
IC103
BTCI 44ESATL431CLP-Z
,HR
Q6
IRFP450-LF
~30
zsa3v
,HR
V lb
14
Rl44
!Ok
Al.
n_
ill
5RT
15
,-
- ---
',
- - -
-
- ,
I
•
I
I
I
,.
'
L:. ' -
. - - - - --
- _,
R65 .'
fH6
3,3M
:
3.3M '·
C44
II~
•RC .·
I /2W
'RC
0,0047'~
25t'Z.8-1----1~4-'I'
•
15
Q
0.0841
250V
E
Rll3
270
'""
•RN
I
010!
ESAC39~
Advertisement
