Sharp LC-26DV24U A Service Manual page 25
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Also See for LC-26DV24U A:
- Specification sheet (2 pages) ,
- Operation manual (39 pages) ,
- Service manual (90 pages)
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A
B
8
AT+5V
7
FROM/TO POWER2
SW+12V
VDIM
BLON
LCD-H
LCD+B
TU+32V SW
P.CON+5V
SYS_POWER_H
KTA1504S_Y_RTK
AT+5V
36.4
AT+34V
6
R496
35.8
22K
FROM/TO POWER
SW+6V[UNREG]
POWER_FAIL
AT+34V
P.CON+5V
AT+5V
SYS_POWER_H
P_GND
P_GND
5
12.4
SW+12V
4
P_GND
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
H-29
C
3.27
5.37
5
4
OUT
IN
ON/OFF GND
NC
1
2
3
5.35
0
NC
R430
1K
Q409
R502
36.4
1.5K 1/4W
P.CON SW
0
Q410
KRC102SRTK
5.2
0
9V REG.
IC409
KIA7809API
IN
GND
OUT
1
2
3
0
9.06
SH407
SH404
SH403
YQ-12
YQ-12
YQ-12
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
REGULATOR SCHEMATIC DIAGRAM
(POWER PCB)
P.CON+5V
SW+12V
DC-DC CONTROL
IC413 LV5795-TE-L-E
AT+3.3V
17.2
14
13.8
0
W805
P_GND
W823
TUNER+30V
SW+6V[UNREG]
6.3
6.3
4
5
6
S
D
D
G
D
D
3
2
1
6.3
6.3
2.9
0
W881
SYS_POWER_H
3.2
0
HFE
Q421
KRC101S-RTK
P.CON+9V
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
CAUTION
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
2.3
BOOT
SS
R490
3.2
V_IN
EN
1K 1/4W
R409
1.7
SW
COMP
3.6K
1
GND
FB
R422
2.7K+-1%
R418
R465
4.7K +-1%
3.9K +-1%
L403
22uH_PF13
W842
6.3
FROM/TO REGULATOR2
CP401
(CP3001)
127301123K2
1
TUNER+30V
2
POWER_FAIL
3
SYS_POWER_H
4
AT+3.3V
5
GND
6
P.CON+5V
7
AT+5V
8
AT+5V
9
GND
10
GND
11
LCD+B
12
LCD+B
13
LCD_H
14
P.CON+9V
15
GND
16
GND
17
STBY_H
18
SW+12V
19
REMOCON_IN
20
LIGHT_CTL
21
NC
NC
22
LIGHT_POWER_H
NC
23
NC
CAUTION: DIGITAL TRANSISTOR
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
TO JACK
SYS_POWER_H
P.CON+9V
FROM/TO DVD
7
GND
CP403
A2001WR2-8P
GND(M)
8
FROM/TO JACK2
P.CON+6V
7
P.CON+A5V
6
STBY-H
GND
5
IR_REMO
GND
P.CON+12V
4
P.CON+3.3V
3
P.CON+3.3V
2
TO SOUND
GND
1
6
GND
TO AV SWICTH
P.CON+9V
GND
5
GND
4
TUNER+30V
POWER_FAIL
SYS_POWER_H
AT+3.3V
P.CON+5V
AT+5V
P_GND
3
LCD+B
LCD-H
P.CON+9V
STBY-H
SW+12V
IR_REMO
VDIM
BLON
2
PCB240
CEG353
1
G
H
H-30
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