Sharp LC-32LE140E Service Manual page 74

LC-32LE140
POWER SUPPLY Diagram
I
S101
S109
S120 S116 S106
TH102 TH104
S111
S117
F100
S110
FERRITE_BEAD_FTZ_AXIAL_8x17x7
TH103 TH105
FUSE_RADIAL 275V
275V C152 220nF
220nF 47n
2 275V C105
C100
1
F101
PL101 FERRITE_BEAD_FTZ_AXIAL_8x17x7
FUSE_RADIAL
S107
S121
H S108
WITHDRAWAL1 WITHDRAWAL2
20R 20R 20R AC_LINE
VCC_STBY R128 R129 R130
20R 20R 20R
R125 R126 R127
R114 R111 R117
1M 1M 1M
AC5 AC1
1M 1M 1M
G R119 R118 R113
SAFETY & EMC OPTIONS
C109 C110
C193 C190
2n2
4kV
F
GNDCAP GNDCAP GNDCAP GNDCAP1
S181
S191 S100 R338
C181 C121 C191 C151 4M7
GNDCAP
2n2 2n2 2n2 2n2
4kV 4kV 4kV 4kV GND_CAP_1
VSW
E
70R
TR100
FR102
+400V D111 FR101
70R
1N5406
D110
1N5406
Q122
FQPFN50C
GATE R133
15R
BC858B
10k
Q121
R134
D
CS1
C104
10n
50V
C
90-270 OPTION
Q100
FQPFN50C
GATE R107
15R
RECT_AC
D100 10k BC858B
Q120
D25XB60 R132
150u
CS1 L306
VF_MAIN
B
HEATSINK
HEATSINK Q100-Q122-D100 HEATSINK Q201-Q202 D217-D218-D236-D212-D222
HS100 HS200 HS201
10k
VF_MAIN
R324
C12V_SOD123
R337
2k4
D303
VCC1
A
GND_CAP_1 GNDCAP1 GNDCAP
1 2 3
S115
S105 S103
330R
L104 R143
D105
R142
GBU4M 330R
Q101 IC101
RECT_AC BC858B R144 R145
L1 68k 4 1 10k
L2
3 2
L105
TCET110G
RS1008_SOD123 RS1008_SOD123
S114
D103 D121
S112
WITHDRAWAL1 AC_NOTR
AC3
L304
PL300
50R_100MHZ_3A
1
R340
2
2k2
L305 R301
10k VSTR
50R_100MHZ_3A
WITHDRAWAL2
OPTO_RES
C137 C135 C138 C133 C115
10n 10n 10n
630V 10n 630V 630V 630V
10n 630V
RS1008_SOD123
D104
C194 C134
2n2 2n2
4kV 4kV
S194
GNDCAP1 AC1 VCC_STBY
ZCD D102 SW_OFF
R110
47k
RS1008_SOD123
C108 C111
+400V
1N4148_SOD123 1n 1n
2kV 2kV
D150
50V
33p D109 D108
C117
CS1 R163 R106 ZCD
2k2 4 CS ZCD 5 27k RL207 RL207
3 MOT GND 6
FAN7529 GATE
2 COMP OUT 7
1 INV VCC 8
VCC2 C317 C316
1n 1n
IC100 1kV 1kV
2k7
16V
1u R138
C114
S113
R103 +400V VF_MAIN
R104 R105
330k 330k 330k
Q102
FQT1N60C
27k
R136
VCC2
PZT2907 12V
Q309
R322 R300
22R D305 4k7 FSDL321
IC301
20R Opto
R319
VCC2 VFSTBY R312 D304
22R 10R
Q302 R323 RS1008_SOD123
BC327 VCC1 1N4148_SOD123
D309
Opto
R329
20R
3k3 +4V25_STBY
R310
Q304
BC848B IC302
4 1
Q303
BC848B
3 2
Q301
TCET110G
BC848B 10k 10k +4V25_STBY
R309 R308
Q300 R306
ST_BY
47k
BC848B
4 5 6
1N4148_SOD123
Q201
D213 +400V
R204
HO 10R
TR200
R268
BC858B
1k5 1 12
Q205
CTR 2 11
LO 1N4148_SOD123
Q202
10
D214
R205 3 9
10R
7
R221 CS
BC858B
1k5 4 8
Q206
5 6
D219
VCC1 100R 24V_2_1
1N4937 IC202 R262
D218
50V
STPS20H100CFP
100n
POWER GROUND
16 PG HVCC 1
24V_2_2
C222
D230
C201
15 NC6 CTR 2 CTR
1N4148_SOD123 LO D244
100n
50V 14 LO HO 3 HO 24V_2_2
UF5402
13 NC5 NC1 4
C223
FAN7621 D245
R249
1k 12 LVCC NC2 5 24V_2_1
UF5402
100n
11 NC4 CON 6
50V ON_OFF
SIGNAL GROUND
10 SG NC3 7
R266 Freq
1k8 9 CS RT 8
Freq
R212
OPTO_RES 5k1
IC200
ON_OFF S200
4 1
R214
3 2 10k
TCET110G
47R
Freq R215
100k VCC1
R255
TL431SAMF2
R208
10k
D220
R210
1N4148_SOD123 6k8
C205 C215 C204
D205
RES_CAP
BAV99
100n 1n 1n
50V 1kV 1kV
BSH103
Q212
R229 R263 VCC1
47k 100k
Q213
BC848B
SW_OFF
VCC_STBY
TRF_SMPS_SAFE_42
D308
S302
6 10 60R_100MHZ_3A
BYD33D L303
L300 L302
DRAIN 5 9 +4V25_STBY_1
1u 50R_100MHZ_3A
C303
D302 100n
50V
RS1008 4 12
D300
RS1008_SOD123
3 8
+5VSTBY IC201
S301
+4V25_STBY
VFSTBY S304 4
2 11
ON_OFF 3
1 7 +4V25_STBY_1
R326
1k
C313
TR300
10u
VSTR 10V
DRAIN
SW_SWITCH L301 R304 22k
Q306
R227
2k2 +24V
330R_100MHZ_3A BC848B
C310
47n
50V
IC300 TCET110G
R313
4 1 1k8
Q211
R317 BC848B
C304 3 2 10k R314 R311
1n 10k 2k4
50V
D301
TL431SAMF2
3k3 22R
R315 R316
ST_BY2
R333
BC858B 10k
Q307
Q308
1k BC848B
R335
7 8 9 10
74
D229
UF5402
L202 +24V
D235 D234
1N5819 1N5819
S207 D215 D231
D226 12V_2_1
1N5819 1N5819
UF5402 D225 D228
S204
24V_2_1
1N5819 1N5819
D232 D233
D224 L201 +12V
1N5819 1N5819
UF5402
C209 C212
D223
UF5402
C240 C241
D240
12V_2_1
24V_2_1 12V_2_2 1N5819
D236 D212
+24V_BO +24V_BO +12V_BO D241
STPS20H100CFP STPS20H100CFP
24V_2_2 12V_2_1 1N5819
+12V_BO
24V_2_1 12V_2_1 D242
D217 D222
+24V_BO +12V_BO 1N5819
STPS20H100CFP STPS20H100CFP
+24V_BO 24V_2_2 12V_2_2 D243
12V_2_2
1N5819
42 INCH DIODE OPTIONS
50V
100n
+12V 1N4148_SOD123
D404
C411 C412
1u
25V
R242
2k4
+24V CSSD_2 IC402
R246
2k4
+24V_BO
R245
8 PHASE BST 1
1k
R213 +12V_BO R420
1k 7 COMP/DIS TG 2 1R5
NCP1579
+12V CSSD_2
6 FB GND 3
R216 +3V3_FB R400
1k 33R 5 VCC BG 4 1R5
C207
+12V R421
C430 C422
1u 1u
2n2
50V 25V
D200 R218
30k
+24V
50V
100n
+12V 1N4148_SOD123
D401
C403 C400
1u
16V
IC400
CSSD
8 PHASE BST 1
R411
7 COMP/DIS TG 2 1R5
NCP1579
+5V_FB 6 FB GND 3 CSSD
R406 R412
+12V 33R 5 VCC BG 4 1R5
C429 C404
1u 1u
16V
BL_ON/OFF_1
S201
A/D_DIM_SEL DIM_PWM_ANALOG
TCET110G
S202
R252
1 100R +4V25_STBY
2 Q200 R225
BC848B 6k8
D206 R220 D201 R258
10k 56k 6k8 12V_2_1
1N4148_SOD123 R224 1N4148_SOD123
+24V
BC848B
Q210 Q209 ST_BY
47k
BC848B
R222
D246 D203
S205
BAV70 D202
R200 A K
1 2
3k3 +5V
C6V8_SOD123
D209
R247 D210 VCC_3V3_ON
A K
1 2
R243 3k3
6k8 C3V9_SOD123
D207 +24V
C22V_SOD123
HALF-BRIDGE RESONANT MODE POWER SU
13
11 12
S208
12V_2_2 +12V L205
+12V_1
50R_100MHZ_3A
S203
24V_2_2 330R_100MHZ_3A
L206
PL305
1
2
3
+24V L415
50R_100MHZ_3A
4
VCC_AUDIO
5
+24V_1 L416
+5V
50R_100MHZ_3A 6
CSSD_2
L414 +12V
50R_100MHZ_3A
C416 C433 C434
10u 10u 10u
16V 16V 16V
4 G1 D1_1 5
VCC_3V3_ON
3 S1 D1_2 6
AO4842
2 G2 FIXED_COIL_TOROID_33u_3A_16x12 D2_1 7
L413
FR400
1 S2 D2_2 8
50R_100MHZ_3A
IC403
C418
FR405 10u
16V
+3V3_FB
50R_100MHZ_3A
FR401
50R_100MHZ_3A C420
10u
16V
CSSD
50R_100MHZ_3A
L402 +12V
C432 C405 C431
10u 10u 10u
16V 16V 16V
4 G1 D1_1 5 +5V
3 S1 D1_2 6
AO4842 50R_100MHZ_3A
2 G2 D2_1 7 L401 FR402
1 S2 D2_2 8
FIXED_COIL_TOROID_33u_3A_16x12 +5V_FB
IC401
FR404
C406 C407
10u 10u
70R 16V 16V
FR403
70R
S255
+12V +24V_1
PL205
12 1 2
SW_SWITCH 3 4
11
ST_BY 5 6
10
7 8
9 BL_ON/OFF
8 DIM_PWM_ANALOG 9 10
F200
7 +12V_1 11 12 +12
C224
S228
6 +5VSTBY 13 14 +24V_1
C232
1N4148_SOD123
5 +4V25_STBY 15 16 +4V25_STBY
D221
100n
50V 17 18
4
19 20
3 VCC_3V3_ON +5V
2 21 22
1 23 24 S230
ST_BY2
PL306 VCC_AUDIO 25 26
S229
VCC_AUDIO
S227
27 28 A/D_DIM_SEL
S225
A/D_DIM_SEL
S226
+24V
32" - 42" SLIM LED TV
17PW07-2
14
15 16