Sony BVM-14E1E - Page 159

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• G (MAIN RECT, POWER SUPPLY) BOARD
A
B
C
D
E
F
G
H
J
1 2 3
&
t-12V
.,_,\:&
91
55VB60
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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
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R66
470k
R67
470k
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9
R79
330•
•RN
R69
ID•
R70
220k
R71
220k
SLR-305VC
QB
2SC3632
R6B
10,
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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
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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
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