Sharp LC-65LE654U Service Manual page 82

5
+5VSB
RP65 RP65 10K 10K
D
UP15 UP15
LA8013 LA8013
LP1 LP1
1 5 1
VIN LX
CP4 CP4
2
GND
10uF/10V 10uF/10V CP23 CP23
0805C 0805C 0.1uF/16V 0.1uF/16V 3 4
EN VFB
CP25 CP25
0.1uF/16V 0.1uF/16V
< <
I :731mA
+3V3SB
+5VSB
RP67 RP67
NC NC UP16 UP16
RT7295A RT7295A
C
5
VIN
CP7 CP7 CP32 CP32 2
GND
STANDBY RP79 RP79 10K 10K
4
EN
10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V
CP34 CP34 CP31 CP31
10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V
0805C 0805C
# 0801:Power sequence optimizatiom
I :2.07A
B
A
5
4
SOC STANDBY POWER +3V3SB
+3V3SB D3V3 A3V3
2.2uH/1200mA 2.2uH/1200mA
2
RP68 RP68 CP28 CP28
330pF/50V 330pF/50V CP36 CP36
100K_F 100K_F
CP5 CP5 CP10 CP10 CP22 CP22 NC NC
0402R 0402R
10uF/10V 10uF/10V 10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V 1206C 1206C
RP70 RP70
21K5_F 21K5_F
s
# 0812:Rise up +3V3SB voltage let +3.3V could meet DRV632PWR min. power range
SOC CORE POWER +1.15V
#0704 MAX 3.5A (RTD2986IK surface over 90C, current could be become 4A)
1 CP55 0.1uF/16V CP55 0.1uF/16V
BOOT
LP2 LP2 2.2uH/4.8A 2.2uH/4.8A
6 1 2
SW
3
FB
CP33 CP33 RP69 RP69
10K_F 10K_F
NC NC
CP11 CP11 CP13 CP13 CP12 CP12 CP26 CP26
10uF/10V 10uF/10V 10uF/10V 10uF/10V 10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V
RP73 RP73
< < s 10K_F 10K_F
#0922 Modify resistor value let the core power have more stable
4
3
+3.3V Power for SOC/Tuner/ Audio Block digital power
+3V3SB
RP55 RP55
1K 1K
DP5 DP5
RP59 RP59
RP62 RP62
STANDBY QP10 QP10
2
LMBT3904LT1G LMBT3904LT1G
10K 10K
, W
RP61 RP61 CP21 CP21
> W
10K 10K 1uF/10V 1uF/10V
^K Z W s
+1.2V D1V1
+5VSB
CP37 CP37
NC NC
STANDBY
1206C 1206C RP63 RP63 NC NC
CP14 CP14 CP30 CP30 CP15 CP15 RP66 RP66
10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V NC NC
0805C 0805C 0805C 0805C NC NC
3
2
+3.3V M3V3
RP56 RP56 0 0
2 3
0805R 0805R
QP4 QP4
CP27 CP27 AP2309GN AP2309GN # 0801:Leaking current issue analysis
0.1uF/16V 0.1uF/16V SOT23_GSD SOT23_GSD
RP57 RP57 CP20 CP20
10K 10K 0.1uF/16V 0.1uF/16V
LL4148WP LL4148WP
1206D 1206D
47K 47K
I :193mA
# 0801:SOC DDR power structure modify (No suppoert enable pin)
Delete CP2, CPE5, UP3, RP71, RP72, CPE6, CP16, CP42, FBP7
# 0801:SOC DDR power structure modify (Suppoert enable pin)
Create CP14, CP30, RP63, CP15, RP64, CP19, UP4, RP75, RP76, CP17, CP18, CP35, FBP6
+3.3V
# 0804:SOC DDR power structure modify (Change high current supply IC)
Create RP66, LP3, CP29
RP64 RP64
10K_F 10K_F UP4 UP4
LA8013 LA8013
LP3 LP3 2.2uH/1200mA 2.2uH/1200mA
1 5 1 2
VIN LX
2 RP75 RP75 CP29 CP29
GND
20K_F 20K_F 330pF/50V 330pF/50V
3 4
EN VFB
CP17 CP17
10uF/10V 10uF/10V
CP19 CP19 0805C 0805C
1uF/10V 1uF/10V RP76 RP76
13K3_F 13K3_F
#1005 It wants to reserved regulator capacitors
#1007 Consider PCB layout and change footprint to 1206C
< < s
I :178mA
2
1
STANDBY
STANDBY 4
D
C
DDR_POWER
+1.5V_DDR3
FBP6 FBP6 80ohm/6A 80ohm/6A
0805L 0805L
CP38 CP38
CP18 CP18 CP35 CP35 NC NC
10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V 1206C 1206C
0805C 0805C
B
A
1