Sharp LC-65LE643U FPTW Service Manual page 91

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