Sharp LC-65LE654U Service Manual page 81

5
WKt Z /E
JP1 JP1
1
2
3
4
5
D
6
7
8
9
10
2R00_1X10ML 2R00_1X10ML
CP3 CP3
0.1uF/16V 0.1uF/16V
+19V
C
CP57 CP57 CP59 CP59
10uF/25V 10uF/25V NC NC
1206C 1206C 0603C 0603C
V = 0.925*(124K+27K)/27K=5.17V
PWR 19V~24V
B
+19V
FBP4 FBP4
80ohm/6A 80ohm/6A
0805L 0805L
CP51 CP51 CP50 CP50 CP52 CP52
10uF/25V 10uF/25V 1.0uF/25V 1.0uF/25V 0.1uF/25V 0.1uF/25V
1206C 1206C 0603C 0603C
+12V_ON_OFF
RP22 RP22 NC NC
PS_ON_OFF RP19 RP19 1K 1K
RP14 RP14
100K 100K
#0922: Use PS_ON_OFF to control +12V
A
5
4
POWER_SW_ON_OFF
BL_DIMMING_1
BL_DIMMING_2
RP11 RP11 CP8 CP8 RP12 RP12 CP6 CP6 CP9 CP9
10K 10K
10K 10K 1000pF/50V 1000pF/50V NC NC NC NC
RP74 RP74
120K 120K
UP17 UP17
FR9889 FR9889
1 8
BS SS
2 7
IN EN
3 6
SW COMP
4 5
GND FB
RP86 RP86 RP85 RP85
CP61 CP61 124K_F 124K_F 27K_F 27K_F
RP78 RP78 4700pF/50V 4700pF/50V R1 R2
24K 24K CP62 CP62
100pF/50V 100pF/50V
CP63 CP63
0.01uF/16V 0.01uF/16V
VOUT=0.925x[(R1+R2)/R2]
2 1
LP5 LP5 10uH/3.2A 10uH/3.2A
+ + CPE7 CPE7 CP64 CP64
220uF/25V 220uF/25V 10uF/10V 10uF/10V
1.23A
0805C 0805C
CP45 CP45
0.1uF/25V 0.1uF/25V
UP2 UP2
1 8
BOOT PH
2 7
VIN GND
3 6
EN COMP
4 5
SS VSENSE
TPS54531DDAR TPS54531DDAR
RP16 RP16
CP47 CP47
NC NC
0.01uF/25V 0.01uF/25V
V = 0.8*(2K+29.4K)/2K=12.56V
1
4
3
+19V
+ CPE1 + CPE1 CP1 CP1
220uF/25V 220uF/25V 0.1uF/25V 0.1uF/25V
#0819: Add new PS_ON pin avoid PANEL_ON/OFF can't control
RP18 RP18 100 100 PS_ON_OFF
#0812: Change PANEL_ON/OFF pin avoid PS_ON initial issue
RP10 RP10 NC NC PANEL_ON/OFF
RP13 RP13 100 100 BL_ON_OFF ,  > 
RP20 RP20 100 100 PWM0
K&& KE
RP21 RP21 100 100 PWM1
K&& KE
DIMMING
Duty: 20%~100%
STANDBY POWER +5VSB
CP60 CP60
RP80 RP80 0.1uF/16V 0.1uF/16V
NC NC
+5VSB
+ + CPE12 CPE12
CP65 CP65 CP66 CP66 CP67 CP67 220uF/16V 220uF/16V
10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V 0.01uF/16V 0.01uF/16V
0805C 0805C
2 1
LP6 LP6 10uH/6A 10uH/6A
LP4 LP4 NC NC
2 1
CP48 CP48 CP49 CP49 CP44 CP44
DP2 DP2 10uF/25V 10uF/25V 10uF/25V 10uF/25V NC/10uF NC/10uF
SM540C/5A/40V SM540C/5A/40V 1206C 1206C 1206C 1206C 1206C 1206C
D_SMC D_SMC
CP53 CP53
220pF/50V 220pF/50V
CP46 CP46
RP17 RP17
12pF/50V 12pF/50V
68K 68K
1.51A
H5 H5 H3 H3 H2 H2
2 1 2 1
SCREW SCREW SCREW SCREW SCREW SCREW
CIR80-60 CIR80-60 CIR80-50 CIR80-50 CIR80-50 CIR80-50
3
2
+12V
CP54 CP54 + + CPE9 CPE9 RP40 RP40 # RESERVE FOR +12V DISCHARGE
0.1uF/16V 0.1uF/16V 220uF/25V 220uF/25V 1K 1K
1206R 1206R
! pay attention to layout
RP9 RP9
29K4_F 29K4_F # 0704: Audio suggestion it need 12.5V
RP15 RP15
2K_F 2K_F
H1 H1
2 1 2
SCREW SCREW
CIR80-50 CIR80-50
2
1
+12V_ON_OFF
+12V_ON_OFF 4,13
BL_ON_OFF
BL_ON_OFF 4
PWM0
PWM0 4
PWM1
PWM1 4
BL_DIMMING_1
BL_DIMMING_1 17
BL_DIMMING_2
BL_DIMMING_2 17
D
PANEL_ON/OFF
PANEL_ON/OFF 4
PS_ON_OFF
PS_ON_OFF 4
C
B
A
1