Sharp LC-26DV24U Service Manual page 65

A B
8
7
FROM/TO POWER
INV_SW+24V
INV_GND
SW+12V[UNREG]
AT+5V
P_GND
INV_GND
SYS_POWER_H
6
SW+12V[UNREG]
5
P.CON+5V
P_GND
4
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-35
C
POWER2 SCHEMATIC DIAGRAM
W814
2A 125V
F404
13.5 12.4
20N_2000FS
12.8
2A 125V EV+17V REG
Q422
KTB1151
R495
5.1 5.2
100
SW+12V REG
SW+12V REG
Q420
Q423
KTC3875S_Y_RTK
KTC3875S_Y_RTK
P.CON+5V SW
Q417
KTA1281_Y
5.2 5.2
4.4
C491_2
6.3V 220 YK
Q408
R480
KTC3875S_Y_RTK
2.2K
CAUTION
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
(POWER PCB)
LCD+B REG BLOCK
DC/DC(5V) IC
IC407 W836
LA5779
VIN VOUT G 2.5V ON/OFF
1 2 3 4 5
12.4 5.1 0 2.5 0
L408 LCD+B SW
Q411
KRC102SRTK
0
47uH 1315
R483 R484 3.2
0
8.2K 820
+-1% +-1%
ATTENTION
:LES PIECES REPAREES PAR UN
:SINCE THESE PARTS MARKED BY ARE
DANGEREUSES AN POINT DE VUE SECURITE
CRITICAL FOR SAFETY,USE ONES
N'UTILISER QUE CELLS DECRITES
DESCRIBED IN PARTS LIST ONLY
DANS LA NOMENCLATURE DES PIECES
D E
F G
CP406
A2001WR-14A
+24V 1
+24V 2
+24V 3
+24V 4
+24V 5
GND 6
14PIN
GND 7
CD406_1
GND 8
E82E1301
GND 9
GND 10
NC Analog/Dimming 11
12
ON/OFF
W810
PWM/Dimming 13
NC N.C(open) 14
LIGHT_CTL VDIM
LIGHT_POWER_H BLON
SW+12V
LCD+B LCD+B
PANEL_POWER_H LCD-H
FROM/TO REGULATOR
P_GND
SW+12V
VDIM
BLON
AT+5V
P.CON+5V
LCD-H
LCD+B
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
7
6
5
4
3
2
PCB240
CEG353
1
H
H-36