Sharp LC32DV24U - 31.5" LCD TV Service Manual page 66

A B
8
7
FROM/TO POWER
INV_SW+24V
INV_GND
SW+12V[UNREG]
AT+5V
P.CON+5V
P_GND
INV_GND
6
SW+12V[UNREG]
5
P.CON+5V
P_GND
4
3
2
2A 125V
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
1
REPLACE ONLY WITH THE SAME TYPE FUSE 2A 125V(F404).
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE 2A 125V(F404).
CAUTION
:F404 IS MANUFACTURED BY SKYGATE CO.,LTD., TYPE 20N.
A B
H-35
C
POWER2 SCHEMATIC DIAGRAM
W814
2A 125V
F404
13.5
12.4
20N_2000FS
12.8
EV+17V REG
2A 125V
Q422
KTB1151
12.8 13.5
R495
5.1
5.2
100
4.5
4.5
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
P.CON+5V SW
3.5
Q408
R480
3.0
KTC3875S_Y_RTK
2.2K
2.3
C491_1
6.3V 220 MHE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(POWER PCB)
LCD+B REG BLOCK
DC/DC(5V) IC
IC407 LA5779
VIN VOUT G 2.5V ON/OFF
1 2 3 4 5
12.4 5.1 0 2.5 0
L408_1
47uHPF13
0
R483 R484
3.2
8.2K +-1% 820 +-1%
0
LCD+B SW
Q411
KRC102SRTK
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
CP406
A2001WR-14A
+24V 1
+24V 2
+24V 3
+24V 4
+24V 5
GND 6
GND 7
GND 8
GND 9
GND 10
Analog/Dimming 11
NC
12
ON/OFF
W810
PWM/Dimming 13
NC N.C(open) 14
LIGHT_CTL VDIM
14PIN
LIGHT_POWER_H BLON
CD406_1
SW+12V
E82E2201
W836
LCD+B LCD+B
TO AV SWITCH
P.CON+5V
PANEL_POWER_H TO SOUND
LCD-H
P.CON+5V
TO JACK2
P.CON+5V
FROM/TO REGULATOR
SW+12V
VDIM
BLON
LCD-H
LCD+B
P.CON+5V
SYS_POWER_H
AT+5V
ATTENTION
:LES PIECES REPAREES PAR UN
ARE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
7
6
5
4
3
2
PCB240
CEG353
CAUTION: DIGITAL TRANSISTOR
ETANT
1
H
H-36