RCA 50LB45RQ Service Manual page 43

Thomson
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CON5
io
11
F_I
Power board (SCH)
o ....
RE46DZ1750
0
VBL+
O
Nr
O
VBL
PT
0 VBL
O
NC
0
SGND
D602
R629
oOO rNTVCrpT (VREF)
__
PT
C
_
R638
,t
+_+
°°o_,
o_
.
.
o_o_
/
/
__
"
_
"
_.... 1
'_'
V_F_
1" T
'J
++2--1
-_-
.....
/
/
R604
C60
I
I ++_A ....
_:....
_7o2
f__+
rll
-
-
RT
....
o .... _i _
R601
CNT
AD
2
13
U60I
D
14
I
l
'
i .... ' -+
+ i ........
U
i
ON/OFF
_._
CON4
C603
o....
It
104/400V/MPP
VBL
O
I
SEN
R628
D603
I
-
-
]
_
i:i00
±
I SEN
0
+12VD
R704
o7o_(
vccl
) ON/OFF
R709
C703
NC
6
8
if
T301
ER28(4+4)
44:94
A
0
B
0
l
VPFC
D303
RB05
RB06
E
pQ302
c
vcc
q
VER: 1.0
2012.02.10
r_
Sheet
3 Of 4

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