Sharp LC-20SD4E Service Manual page 37

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A
B
8
L503
DM000090
230
CP501
230
CCT2302-0911
230
230
7
L510
L511
SS24V-K07325
SS24V-K07325
RM11C-EIC
1
2
1
2
3
4
3
4
RM11C-EIC
6
D503
1N4005-EIC
D504
1N4005-EIC
5
W863
R508
10 1/2W
D505
4
1H3-E
560 1/2W
IC501
STR-W6765 POWER REG
D
S/GND
Vcc
SS/OLP
1
3
4
5
360
0
18.9
0
1.1
TSL0305
D535
L512
100uH0305
MTZJ30B
3
R506
C507
0.27 1W
R507
MMTS
100V
0.027
100 1/4W
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
1
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
A
B
H-7
C
POWER SCHEMATIC DIAGRAM
(AV PCB)
D506
D508
RM11C-EIC
D507
D509
T501
81400834
RM11C-EIC
35
D519
0
NC
8
9
1F5-E
0
0
7
10
18
24.0
6
11
13.5
12
B508
360.0
0
4
13
W4BRH3.5X6X1.0
0
0
NC
3
14
360.0
6
2
15
-8
0
NC
1
16
R516
12M 1W
R510
W4BRH3.5X6X1.0
18.9
R520
14.6
150 1/4W
12.5
11.2
PHOTO COUPLER
FB
OCP/PD
IC502
R512_1
6
7
PS2561AL1-1-V(W)
0.7
1K
1/4W
D510
IC503
KIA431A-AT
MTZJ6.2B-EIC
VOLTAGE CTL
D511
OUT
GND
IN IN
1SS133
3
2
1
12.0
0
14.0
R517
C520
10K
0.1 B
C518
0.0022 B
CAUTION:
IS THE LIVE CONNECTION
SW
Q501
KTC3875S_Y_RTK
R525
7.7
1.6
470 1/4W
CAUTION: DIGITAL TRANSISTOR
7.0
6.0
SW
2.5
Q502
KRA102SRTK
7.0
SW
R521
Q504
10K 1/2W
KRC102SRTK
CAUTION: DIGITAL TRANSISTOR
C
D
E
INV+B_LIMIT
Q513
R540
KTA1281_Y
2.2K 1/4W
9.0
INV+B_LIMIT
R541
0
Q511
KTC3198
2.2K 1/4W
19.0
0
19.0
0
D515
FMX-22S
L506
6.8uH
W4BRH3.5X6X1.0
RCH8011NP-6R8L
HS502
D527
1SS133
R554
PANEL+32V_SW
Q508
2.2K 1/4W
KTA1504S_Y_RTK
R539
R528
34.0
32.0
L505
R535
2.2K 1/4W
33.0
47uH 0305
15 1/4W
22K
0
LCD_SW
Q509
3.3
KRC102SRTK
0
HS505
763WAAA070
W822
14.0
L507
6.8uH
HS506
D520
RCH8011NP-6R8L
763WAAA070
SBR100-10J-CBC11
TSL0808
SH501
L508
W812
22uH
TP00370-21
R542
R529
3.3
4.7K
100 1/4W
R537
8.6
1K1/4W
D523
MTZJ13B
P.Con 5V REG
IC505
PQ070VK02FZH
D536
EC31QS04
V_IN
V_C
V_OUT V_ADJ
S809Y
1
2
3
6.0
2.5
B507
AT+5V_REG
IC504
PQ050RDA1SZH
V_IN
V_OUT
GND
V_C
1
2
3
4
14.0
5.0
0
14.0
R545
1K 1/4W
HS507
763WAAA070
2.9
1.2
0
3.0
3.3
0
12.0
0
R548
0
SHOHT_PROTECT
0.047 1/4W
Q505
B502
R549
KTC3875S_Y_RTK
W4BRH3.5X6X1.0
0.047 1/4W
C533
R550
0.047 1/4W
16V
1000
FM
C542 0.1
B
4V_SW_REG_CTL
IC506
DTV+4V_SW
C534 0.1 B
14.0
Q510
Vin
KRC102SRTK
C537 0.1 B
4.4
V5
4.4
1.2
2.5
Vrof
DTV+4V_SW
3.3
3.3
1.2
Q507
CC
KRC102SRTK
3.3
0
0
3.3
W823
0
D
E
F
G
VOLTAGE CTL
IC509
KIA431A-AT
3
2
1
32.0
0
32.0
C516
0.01 B
INV_+B
B505
C530
25V
1000
FM
INV_GND GND
P.CON+14V
+14V_SW
TU+32V SW
R579
R580
Q514
Q519
KTA1281_Y
KTA1504S_Y_RTK
30K+-1%
R571
14.0
14.0
150 +-1%
35.0
31.0
TU+32V
1K 1/4W
12.0
R577
R569
33.0
R578
2.7K +-1%
22K 1/4W
22K
GND
LCD+32V
LCD_ON
D529
P.CON+8V
IC507
PQ090RDA1SZH
1N4005-EIC
9V_REGULATOR
P.CON+9V_DTV
PANEL_SW
Q517
KTA1281_Y
9.0
9.0
P.CON+9V
VIN
VOUT
GND
ADJ
D531
S805X
1
2
3
4
7.6
R565
R567
1SS133
9.0
0
2.5
DTV_ON-H
R561
3.3
22K
1K 1/4W
P.CON SW
Q520
1K
3.3
KRC102SRTK
GND
0
GND2
R568
C541
2.7 2W
25V
100
MHE
POWER FAIL
Q512
KTA1504S_Y_RTK
3.4
R546 1001/4W
S808Y
AT+3.3V
S809X
POWER_FAIL
D2
P.CON+5V_DTV
5.0
5.0
P.CON+5V
P.CON+5V SW
Q516
S808X
4.3
GND
KTA1281_Y
R562
4
5
22K
5.0
0
0
R566
P.CON SW
470 1/4W
5.0
Q518
KRC102SRTK
3.3
0
D532
1SS355
POWER_ON-H
D533
1SS355
DTV_ON-H
HS503
763WAAA070
AT+5V
D2
AT+3.3V_REG
IC508
PQ070XZ5MZPH
V_IN
V_C
V_OUT
V_ADJ
GND
6
1
2
3
4
5
5.0
5.0
3.3
1.2
0
R555
AT+3.3V
1K
R557
R560
R564
680
3.9K
2.7K +-1%
+-1%
+-1%
L513
DTV+4V
22uHTSL0808
DC_DC SW
Q515
2SJ650
L509
14.0
4.3
C552
68uH
0.1 B
14.5
AL1015
14.0
CS
14.5
EXT
0
GND
R559
R563
1.1
FB
1.8K
680
HS504
+-1%
+-1%
GND
763WAAA070
F
G
H
+12V_SW
R581
Q522
82 1/4W
KTA1281_Y
14.0
0
FAN +12V ADD
8
0
48V 0.5A
M501
SW
2004KL-04W-B30-M09
Q524
KTC3875S_Y_RTK
M
0
1
0
3.3
DVB_FAN_ON-H
3.3
2
R584
0
0
FAN POWER
100
CP505
R585
FAN+8.8V
1
8.2K
M_GND
2
A2001WV2-2P
FROM/TO INVERTER
(CP6704)
CP504
TWG-P13P-A1
7
GND
1
LMP_ERR
LMP_ERR
2
AT+3.3V
+3.3V
3
OFL2
OFL2
4
OFL1
OFL1
5
INV_GND
6
INV_GND
INV_GND
7
INV_GND
8
INV_GND
9
INV_+B
10
INV_+B
11
INV_+B
12
INV_+B
6
INV_+B
13
FROM/TO TUNER
TU+32V
P.CON+5V_DTV
GND
FROM/TO SOUND AMP
SOUND+
AT+5V
P.CON+5V
SOUND_GND
GND
5
FROM/TO STEREO
AT+5V
P.CON+5V
P.CON+8V
TU+32V
P.CON+5V_DTV
P.CON+9V_DTV
DTV+4V
GND
FROM/TO 21PIN
AT+3.3V
AT+5V
4
P.CON+5V
POWER_FAIL
PANEL_ON-H
DVB_FAN_ON-H
DTV_ON-H
POWER_ON-H
GND2
GND
FROM/TO AV SWITCH
LCD_ON
STANDBY_H
AT+3.3V
AT+5V
P.CON+9V
LMP_ERR
3
OFL2
OFL1
GND
FROM/TO REGULATOR
(CP3201)
CP503
GND
A2001WV2-11P
LCD+32V
+32V
1
-6V
-6V
2
P.CON+14V
+14V
3
P.CON+5V
P.CON+5V
4
AT+3.3V
AT+3.3V
5
2
P.CON+4V
6
P.CON+4V
7
GND
8
GND
9
AT+5V
AT+5V
10
GND
11
PCBD20
CMF088
1
H
H-8

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