Power Supply Unit (Lc-32Wd1E/S/Ru Lc-37Wd1E/S/Ru, And Lc-32/37Wt1E) - Sharp LC-32WD1E/S/RU Service Manual

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E
[5] POWER SUPPLY UNIT (LC-32WD1E/S/RU, LC-37WD1E/S/RU, AND LC-32/37WT1E)
Z3
! !
DSP-501N
F1 F2
! ! ! !
T10AH/250V T5AH/250V
L
CY7
VAR2
NC ! !
14471*
!
VAR4 CX1 CX2
VAR3 224 474
NC
!
14471*
N
CX002 CY6 VAR1
A3963 ! NC !
NC
Z4
R168 DSP-501N
Z1 ! ! LF1
5.6M/1W
NC
T16*12*8
VA1 VA2
D1 D2
1N4148 1N4148 VCC0
R48
R52
1M/1206
10K/1206
D47
PC5A
!
GLZ20D
LTV817B
D48 D18
MN
1N4148
GLZ20D
Q8
R47
MMBT4401
C31 R51
47K C32
475/16V NC
475/16V
OVP1
D20
LL4148
VCC2
!
PC2B
LTV817B
C61 C62
R180
4.7K
R147
0R
VCC2 VCC1
Q13 R98
VZ
NC
NC
R172
R56
D29
NC
NC
R96
R171
NC NC
R99
R97 NC
Q12 NC
R19 NC
NC
NC
C18
C89
NC
NC
R137
NC
D35
OVP1 LL4148
R135
C86
100R NC
!
PC10B
LTV817B
VCC0
C87
C85
104/50V
10uF/50V
MN
Q17
R134
NC
NC
!
C84
R136
NC
NC
LTV817B
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D19
Z5
!
NC STTH8L06FP
DSP-501N
LF2 L1 NTC1
BD1
!
T68-26A
T22*14*8 SCK151R58MSY
KBU6M HV D5
R3
CY2 C5
270K L2
221 ! !
105/450V PQ3225
VA1
R5 4 1
R16
82K
1M/1206
C4
VA2
105/450V
!
R4 R17
R8
!
270K R12 D4 Q2
56K/1206
1M/1206
30R LL4148
CY1
221
! Z6 C7
!
BK
10uF/50V R10
HV VCC1 R13
DSP-501N 47R R14
30R Q3
IC1 30K
C3 C6
L6563
R7
NC 104
R1
56K
R11
3M/1206 1 14 D3 R15
INV VCC 47R
C2 LL4148 !
30K
105 R9
R2 2 13 10R
MULT GD R18
3M/1206
VZ
1M/1206
3 12
CF GND
C1 R6 !
L6563 BK
103/50V 56K/0805
4 11
CS ZCD
Q1
NC
5 10
VFF RUN SK
R62
R63
C41
6 9 100K
TBO PWM-STOP 0.1R/3W
R53 NC
VCC1
150K/0805
C34
7 8 R61
PFC-OK PWM-LATCH
ZD2
6.8K
C35
NC
R57 510R
102/50V
R54
100K
R55
36K/0805
C33 C36
222/50V 223/50V
T3
ER-28H
D42
C19 C56
!
RS1J 100uF/35V 100uF/35V
6 11
HVB SVC2
R59
75K/2W
12
R119 C107
C38
D22 100R 102/100V
GNDaudio
D21
332/1KV LL4148
FR107
3 10
Q23
R100
C37 MMBT4403
4
100R
104/50V !
R60 9
Q9
10K/1206
FQPF6N80C Q10
2
R105
FDP3672
30R/1206
7 R114
1 6
IC3 R104
0R
NCP1230 30R/1206
GP1
C98 1
2 5 NC
2
R107
1N4148 R109
D31
30K/1206
16K
8 3 3
C63
223/50V R106 4
C65
7 4 220R/1206 R108
221/50V !
0.33R/2W
C69
!
471/50V
CY3
222/250V
R111 R115
Q15
Q14 1K
R103 C64 18.2K 12V
MMBT4401 PC2A
MMBT4403 5.1K 47uF/50V
VCC0
LTV817B
D45
R112
LL4148
3.9K
HV
ZD6
RLZ15C
!
R102 C67
NC R110
102
3.3K
R101 D30
10K C68 R116
10K U4
RLZ15C
104 1K
AZ431
U1
D23
NC
R113 PC9A
J69
4.7K LTV817B
T4
0R
!
EE-16V
PC4B ! C71
C70 LTV817B NC
1
HVB
7
NC J44 0R SVC1
R146 C22
MN
D10
75K/2W
R174 UF102G 100uF/35V
J70 NC
C66 8
NC
102/1KV
Q18
D39
MMBT4403 D40
FR107 C92 L9 R155
SR504
4 1000uF/6.3V R4*15
NC
FLA
R138 R139 R140
R149
D38
HV 5.1R/1206
UF102G
3
3K 3.3K 3.3K R141
FLB
Q19
1K
R150 C91
STP4NK60ZFP
10R 102 R151
R143
2
100R
!
100R
!
6 5
R154
R152
PC3A
R142 3.9K 3.3K
R145
D37 LTV817B
10R
LL4148 30K
ZD8 C93
C88
R144
104/50V
103 RLZ15C 4.3K/1206 R175
2 3 10K
R148
4.7R/1W
U7
D36
C90
! AZ431 R153
RLZ15C
221/50V
10K
IC6
PC3B
GNDsb
NCP1230
!
180uF/450V
! ! T1
!
C8 HVB ETD-39H
R23
100K/0805
11,12
SCP
R20
4.7M/1206 C12
SK VCC2
R176 105/25V R32
R21
30R !
2.2M/1206 D7
4.7M/1206
FR107
VCC2 R24
12 15 Q5
C9 Vs HVG
2SK3569
NC
10uF/50V R29
D9
10R
7 16 1N4148
LINE Vboot
C11 R33
R178
104 C15 30K
2.2M/1206 104/50V
10 14
GND OUT
D8
C10 R25
LL4148
223/50V 100K
R58
8 11 Q6
SCP DISABLE LVG
13,14
2SK3569
R28
10R !
5
ZD1 STBY
6
IC2
GLZ5.1B ISEN R30
R34
L6599
30R
30K
D6 Q4
R27 C16
LL4148
105
3.3K
OVP1 C14
R31
R22
R26
5.1K
R65
3.3K 24K C48
D25 R72 221/1KV
C13
LL4148
100R/1206
R66
105/25V
51R
C45
PC1B R70 R71 C50
R67 334/25V D26
LTV817B 24R 100R
1.5M LL4148 104
!
C47 ZD3 C49
104/50V RLZ6.2B 333/1KV
Primary
C51
10uF/50V
Secondary
R73
4.3K/1206
!
PC1A
LTV817B
D24
C44
L8 C78
R68 R69
SB3100
R4*12 104/50V
680uF/25V NC NC
12V
U6
AZ431
C46
C42
SVC1
330uF/25V
680uF/25V
R64
8
51K R35
GP1 R121
15K C76
7
5mR
105
6
ICS3
C40 C77
LM358
471/50V 225
5
U8 4
AZ431
IC5 R127
15K
N3856V
3
R128
15K
R36
R129
442R 100R
SVC1
GNDI
C73
224 R126
C75
10K
104
SVC1 ICS2
C74
LM358
223
R120 U5
4
0R
AZ431
1 R124
15K
3
D33
C72 R125
LL4148
104 15K
R122
R123
100R
390R
GP1
3V3_STBY
R162
R160
100R
1K
PC10A
PC4A
Q20
3V3_STBY R158 LTV817B LTV817B
R156
MMBT4403
24K
1K PSU_STDBY
POWER_DOWN
! !
R159
C95
1K
C94 NC
1000uF/6.3V
R157
Q21
1K
C96 R161
PC5B
MMBT4401
104/50V 3.3K
LTV817B
CY5
!
103/1KV
GNDsb
GNDsb
10 - 19
D12
MBR20100CT
D11
MBR20100CT 1000uF/35V*4
BB L5
C17 C101
C21 C20 R38 R39
24V_Inverter
R5*20
+ + + + +
1000uF/35V
R40
C25
NC NC
NC
R41
5mR
GNDI
D14 T2
C23 C24
MBR20100CT PQ2620
L4
R37 330uF/35V 330uF/35V
12
D13 + + 8
R5*20
R42
MBR20100CT 5.1K
10K/2W
D15
R43
C26
Q7
100R
RLZ15C D16 103/500V
GNDI
MMBT4401
1N4007
11
T5
EE-10H
7
Q16 Q11
R82 1K
R80
MMBT4401 FDP3672
4.3K
1 6 R170
R78
PC6B C52
10R
103 10R D27 R118
LTV817B R117
2 5 LL4148
GNDI
Q31 1K 100R
MMBT4403
C39
8 3
102
R81 R83
D46 LL4148
C53
220R
7 4 0.03R/3W
102
R173
1K
IC4
C43 R75 GNDI
33P 14K NCP1377
GA
R86 R85 R88
3.9K 1K 53.6K
24V_Inverter
28V_Audio
D44
BB
R76
PC6A C54 LL4148
D43
44.2K LTV817B 222
R77 ZD5
LL4148
R90
RLZ33B
NC
R74 0R
R84
1.8K
ZD4
10K
R89
RLZ27D
C80 C82
1K D28 C57
NC U2
NC LL4148
AZ431
C55
104
R79 PC7A
R87 LTV817B
1K
PC8A 5.1K
R130 10K
LTV817B
R131 GNDaudio
5.1K
CX200
C79
1 3V3_STBY
104
2 GNDsb
3
SVC1 4 GND
5
D34
6 12V
R133
LL4148
7
1K
1 8
9 GND
10
C81 R132
C83
104 NC A2001WV2-10P
NC
CX300
1 28V_Audio
2
3
4 GNDaudio
P110I-4
CX400
1 GND
2 PSU_STDBY
3 POWER_DOWN
4 BACKLIGHT_ON/OFF
5 BACKLIGHT_CTRL
6 Config ctrl signal 1
7 Config ctrl signal 2
8 GND
A2001WV2-8P
CX520
1
2
3 24V_Inverter
4
R163 R164 R166
R167
5
100R 100R 100R 100K
6
ZD9
7
RLZ43.B
8 GND
PC7B PC8B PC9B NTC2
9
470K
10
R169 11 Config ctrl signal 1
12 BACKLIGHT_ON/OFF
24R
LTV817B LTV817B LTV817B 13 BACKLIGHT_CTRL
14 Config ctrl signal 2
A2001WV2-14P
C97
Q22 CX521
R165
105/25V
MMBT4401
620R
1
2
3 24V_Inverter
4
5
6
7
8 GND
9
10
11
12 NC
A2001WV2-12P
C28 C29
R45 R46
330uF/35V 330uF/35V NC NC
28V_Audio
L6
C27
C30
R5*20
102/100V
220uF/35V
D17
CY4
NC
103/1KV
Q24
R177 GA R44 GNDaudio
10.9mR
FDP3672 0R
SVC2
Q25
MMBT4401
Q27
MMBT4401
Q26
MMBT4403
SVC2
C58
104
R95
C60
6.8K
105
SVC2 ICS1
LM358 C59
225
4 U3
AZ431
1 R93
15K
3
R94
104
15K
R91 R92 GNDaudio
100R 390R
GNDaudio GA