Sharp Aquos LC-65LE654U, Service Manual

Page: 82 / 106

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
STANDBY
STANDBY
STANDBY
STANDBY
+5VSB
+3V3SB
+3.3V
+3V3SB
D3V3
M3V3
A3V3
+3V3SB
+5VSB
D1V1 +1.2V
+5VSB +1.5V_DDR3
DDR_POWER
+3.3V
STANDBY 4
SOC STANDBY POWER +3V3SB
0.6 x (1+100K/21.5K) = 3.39V
I :193mA
+3.3V Power for SOC/Tuner/ Audio Block digital power
H :Power on
L :Power off
I :731mA
I :2.07A
SOC CORE POWER +1.15V
0.6 x (1+20K/21.5K) = 1.158V
#0704 MAX 3.5A (RTD2986IK surface over 90C, current could be become 4A)
I :178mA
0.6 x (1+20K/13.3K) = 1.50V
SOC DDR Power 1.5V
# 0801:Power sequence optimizatiom
# 0801:Leaking current issue analysis
# 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
# 0804:SOC DDR power structure modify (Change high current supply IC)
Create RP66, LP3, CP29
# 0812:Rise up +3V3SB voltage let +3.3V could meet DRV632PWR min. power range
#0922 Modify resistor value let the core power have more stable
#1005 It wants to reserved regulator capacitors
#1007 Consider PCB layout and change footprint to 1206C
CP7
10uF/10V
CP7
10uF/10V
RP67
NC RP67
NC
CP17
10uF/10V
0805C
CP17
10uF/10V
0805C
RP59 47K RP59 47K
CP25
0.1uF/16V CP25
0.1uF/16V
CP18
10uF/10V
0805C
CP18
10uF/10V
0805C CP30
0.1uF/16V CP30
0.1uF/16V
RP65 10K RP65 10K
RP75
20K_F RP75
20K_F
RP79 10K RP79 10K
QP10
LMBT3904LT1G QP10
LMBT3904LT1G
2
1
3
LA8013
UP4
LA8013 UP4
VFB
4
GND
2
VIN
1
EN
3
LX
5
CP19
1uF/10V CP19
1uF/10V
CP11
10uF/10V
CP11
10uF/10V
RP55
1K RP55
1K
CP37
NC
1206C
CP37
NC
1206C
RP56 0
0805R
RP56 0
0805R
RP68
100K_F
0402R
RP68
100K_F
0402R
CP36
NC
1206C
CP36
NC
1206C
RP62
10K
RP62
10K
CP35
0.1uF/16V CP35
0.1uF/16V
LA8013
UP15
LA8013 UP15
VFB
4
GND
2
VIN
1
EN
3
LX
5
CP21
1uF/10V CP21
1uF/10V
LP2 2.2uH/4.8A LP2 2.2uH/4.8A
1 2
CP55 0.1uF/16V CP55 0.1uF/16V
CP22
0.1uF/16V CP22
0.1uF/16V
CP4
10uF/10V
0805C
CP4
10uF/10V
0805C
CP13
10uF/10V
CP13
10uF/10V CP38
NC
1206C
CP38
NC
1206C
S
QP4
AP2309GN
SOT23_GSD
S
QP4
AP2309GN
SOT23_GSD
3
1
2
CP5
10uF/10V CP5
10uF/10V
CP15
NC
0805C
CP15
NC
0805C
CP34
10uF/10V
0805C
CP34
10uF/10V
0805C
RP61
10K RP61
10K
CP31
0.1uF/16V
CP31
0.1uF/16V
RP70
21K5_F RP70
21K5_F
RP64
10K_F RP64
10K_F
RT7295A
UP16
RT7295A UP16
FB
3
GND
2
VIN
5
EN
4
SW
6
BOOT
1
CP28
330pF/50V CP28
330pF/50V
CP20
0.1uF/16V CP20
0.1uF/16V
CP26
0.1uF/16V
CP26
0.1uF/16V
LP3 2.2uH/1200mA LP3 2.2uH/1200mA
1 2
RP73
10K_F RP73
10K_F
CP12
10uF/10V
CP12
10uF/10V
FBP6 80ohm/6A
0805L
FBP6 80ohm/6A
0805L
CP10
10uF/10V CP10
10uF/10V
CP23
0.1uF/16V CP23
0.1uF/16V
CP14
10uF/10V
0805C
CP14
10uF/10V
0805C
RP69
10K_F RP69
10K_F
RP57
10K RP57
10K
CP33
NC
CP33
NC
LP1 2.2uH/1200mA LP1 2.2uH/1200mA
1 2
CP27
0.1uF/16V CP27
0.1uF/16V
RP76
13K3_F RP76
13K3_F
CP32
0.1uF/16V
CP32
0.1uF/16V
RP66
NC
RP66
NC
RP63 NC RP63 NC
DP5 LL4148WP
1206D
DP5 LL4148WP
1206D
CP29
330pF/50V CP29
330pF/50V