Sharp LC-65LE643U, Service Manual

Page: 91 / 100

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
POWER IN
DIMMING
Duty: 20%~100%
low=OFF , high=ON
low=OFF , high=ON
STANDBY POWER +5VSB
R2 R1
VOUT=0.925x[(R1+R2)/R2]
H :Backlight on
L :Backlight off
BL_ON/OFF
Adrian Modify 20130916
Adrian Modify 20131004
Adrian Modify 20131007
V = 0.8*(2K+28K)/2K=12V
! pay attention to layout
PWR 19V~24V
1.5A
# 0821_RESERVE FOR +12V DISCHARGE
Adrian Modify 20131115
For +5VSB drop issue
+12V_ON_OFF
BL_ON_OFF
POWER_SW_ON_OFF +12V_ON_OFF
BL_DIMMING_1
BL_DIMMING_2
BL_ON_OFF
BL_DIMMING1
BL_DIMMING2
BL_DIMMING_1
BL_DIMMING_2
BL_DIMMING1
BL_DIMMING2
BL_DIMMING_1
BL_DIMMING_2
PWM0
PWM1
BL_ON_OFF_1
BL_ON_OFF_1
+19V
+5VSB
+19V
+12V
+19V
+12V_ON_OFF (2,3,4)
BL_ON_OFF
(4)
BL_DIMMING1
(14)
BL_DIMMING2 (14)
+12V_ON_OFF
(2,3,4)
PWM0
(4)
PWM1
(4)
BL_ON_OFF_1
(14)
H5
SCREW
CIR80-60
2 1
CP6
NC
CP60
0.1uF/16V
CP48
10uF/25V
1206C
CP67
0.01uF/16V
RP86
124K_F
RP15
2K_F
CP66
0.1uF/16V
H6
SCREW
CIR80-60
2 1
H4
SCREW
CIR80-50
2 1
RP21 100
CP45
0.1uF/25V
RP16
NC
CP8
1000pF/50V
CP49
10uF/25V
1206C
JP1
2R00_1X10ML
1
2
3
4
5
6
7
8
9
10
RP20 100
CP1
0.1uF/25V
RP14
10K
DP2
SM540C/5A/40V
D_SMC
1
2
RP85
27K_F
RP78
100K
+ CPE9
220uF/25V
CP57
10uF/25V
1206C
H1
SCREW
CIR80-50
2 1
CP54
0.1uF/16V
CP62
100pF/50V
CP9
NC
H2
SCREW
CIR80-50
2 1
CP3
0.1uF/16V
RP17
68K
RP19 100
CP47
0.01uF/25V
RP18 100
RP13 100
CP63
0.01uF/16V
LP6 10uH/6A
1 2
+ CPE12
220uF/16V
CP44
NC/10uF
1206C
RP10 100
LP4 NC 1 2
CP65
10uF/10V
0805C
UP17
FR9889
BS
1
IN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
E_PAD
9
LP5 10uH/3.2A
1 2
RP74
120K
H3
SCREW
CIR80-50
2 1
+ CPE7
220uF/25V
RP9
28K_F
RP22 100
CP52
0.1uF/25V
RP80
NC
UP2
TPS54332DDAR
BOOT
1
VIN
2
EN
3
SS
4 5
VSENSE
COMP
6
GND
7
PH
8
E_PAD
9
FBP4
80ohm/6A
0805L
CP61
4700pF/50V
RP12
10K
CP59
NC
0603C
+ CPE1
220uF/25V
RP40
1K
1206R
CP46
12pF/50V
CP64
10uF/10V
0805C
CP51
10uF/25V
1206C
CP53
220pF/50V
+ CPE11
220uF/16V
RP11
10K
CP50
1.0uF/25V
0603C