Sharp LC-20DV20U Service Manual page 82

Lcd color television/ dvd video player
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A
B
8
FROM/TO POWER3
L3004
7
CD501
(CP509)
5A 32V
TSL0808
CU244202
F3001
1
DVD+12V
22uH
1206FA5A-T
2
DVD+12V
5A32V
3
GND
4
GND
SW
11.9
Q3001
6
KTA1664-Y-RTF/P
R3001
Q3002
KRC102SRTK
5
C3006
0.01 B
2.5
0
1.2
1.2
1.7
1.3
16
15
14
13
12
11
4
SCP
0.9V
D.T.C
1.8V
- +
ERROR
COMP
PWM
COMP2
-
AMP2
- -
D.T.C
RS
- - S.C.P
R
LATCH
COMP
1.28V
U.V.L.O.
- -
1UA
2.5V
PWM
ERRORAMP1
O.S.C
+INT +
-
COMP
1
-INT
D.T.C
0.9V
CT
RT
FB1
1
2
3
4
5
6
1.7
0.9
1.3
1.2
1.8
C3008
0.01
B
3
2
5A 32V
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE
5A 32V (F3001)
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE
5A 32V (F3001)
1
CAUTION
:F3001 IS MANUFACTURED BY COOPER INDUSTRIES INC.,
TYPE 1206FA-T.
A
B
H-59
C
REGULATOR2 SCHEMATIC DIAGRAM
6.0
6.0
6.0
8
7
6
11.8
11.2
1
2
3
11.9
11.9
11.9
10K
11.7
6.4
6.4
0
SW
SW
SW
Q3003
6.02
Q3004
4.92
R3013
KTC3875S_Y_RTK
2SA1036K
0
560
3.5
3.5
3.5
8
7
6
7.2 1 0.010.2
10
9
OUT2
2
1
2
3
11.9
11.9
11.9
2.5V
OUT1
1
7
8
11.7
9.0
9.0
1.4
9.5
0
SW
SW
Q3005
9.6
Q3006
R3020
KTC3875S_Y_RTK
2SA1036K
560
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D
E
(DVD MT PCB)
SBPSC-11R310-101A
L3001
61
6.0
100uH
5
REG+5V
IC3003
4
6.9
V_IN
COM
1
5.9
0
0.04
6.02
SBPSC-11R310-101A
L3002
62
D3003
3.5
RB051L-40
100uH
5
PQ070XZ01ZPH
V_IN
V_C
1
2
4
3.0
3.0
9.1
0.04
9.6
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANGEREUSES AN POINT DE VUE SECURITE
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
DVD_POWER_H
UNREG+12V_D
P.CON+6V_D
KIA78D05F
V_OUT
2
3
5.1
P.CON+5V_D
L3003
P.CON+A5V_D
2.2uH
0305
C3018
1 F
GND
(M_GND)
B3001
P.CON+3.3V_D
BLM18PG121SN1D
13
REG+1.8V
IC3002
V_OUT V_ADJ
GND
6
3
4
5
1.9
1.3
0
P.CON+1.8V_D
(GND,D_GND)
CAUTION: DIGITAL TRANSISTOR
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F
G
H
8
FROM/TO AUDIO/VIDEO
7
P.CON+5V_D
DVD_POWER_H
GND
(A_GND,D_GND)
FROM/TO MOTOR DRIVE
UNREG+12V_D
P.CON+A5V_D
P.CON+6V_D
P.CON+3.3V_D
GND
6
(D_GND,M_GND)
FROM/TO MEMORY2
P.CON+3.3V_D
GND
(D_GND)
5
FROM/TO MPEG/MICON/DSP/RF_AMP
P.CON+1.8V_D
P.CON+3.3V_D
4
GND
(GND,D_GND)
P.CON+5V_D
3
GND
2
PCB130
1
DMF066
H
H-60

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