Sharp LC-32AD5E-BK Service Manual page 70

A B
8
7
FROM/TO POWER1
INV_SW+24V
GND
SW+12V[UNREG]
AT+5V
POWER_FAIL
P.CON+5V
SOUND+B[SW]
RELAY_H
GND_S
GND
6
F404
SW+12V[UNREG]
20N_1600FS
5 1.6A 125V
SW+12V REG
Q420
KTC3875S_Y_RTK
GND
4
SW+5.5V[EU]
W814
DTV+B2
3
GND
2
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-35
C
POWER2 SCHEMATIC DIAGRAM
(POWER PCB)
DAMMY
RESISTANCE
SWITCH 24.8
Q421
KTA1281_Y
0
W830
13.5 12.4
12.8
EV+17V REG
Q422
VIN
KTB1151
1
13.5
12.8
5.1
5.2
4.5
4.5
SW+12V REG
Q423
KTC3875S_Y_RTK
L405
DC-DC-FET
22uH
Q410 RSS050P03
TSL0808
R471
5.7 1.5
S D
0.047 1/4W
5.7 1.5
S D
C449 R472
16V 1000 ZL_P 0.047 1/4W 5.7 1.5
S D
HDD/RW5V DC/DC CTL
C450
IC406 AL1015 4.0 1.5
G D
0.1 B
13.9 13.9
VIN CS
4.5 13.1
V5/PWON EXT
1.2
0
Vref/SS GND
R476_1
R477
1.3 1.3
CC FB
6.8K 1/4W 1K +-1%
+-1%
CAUTION
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
24.7
DAMMY
RESISTANCE
24.8
SWITCH
DAMMY Q425
RESISTANCE 0 KRC102SRTK
0
SWITCH
0 R481
Q424
4.6
KRC102SRTK 100 1/4W
0
LCD+B REG BLOCK
DC/DC(5V)
L408 L415
IC407
LA5779
47uH 22uH
1315 TSL0808
VOUT G 2.5V ON/OFF
2 3 4 5
12.4 5.1 0 2.5 0
LCD+B SW
0
Q411
KRC102SRTK
R483 R484 3.2
0
6.8K 47
+-1% +-1%
L409
P.CON+5V SW
33uH
7313NH
KTA1241_Y
5.2
P.CON+5V SW
Q417
KTA1241_Y
5.2 5.2
4.4
W844
3.2
0
5.0
P.CON SWITCH P.CON SWITCH
Q418 Q431
0
KRC101S-RTK KRC101S-RTK
ATTENTION
:SINCE THESE PARTS MARKED BY ARE :LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
CP406 A2001WR2-14P
+24V 1
+24V 2
+24V 3
+24V 4
+24V 5
GND 6
GND 7
GND 8
GND 9
GND 10
NC Analog/Dimming 11
12
ON/OFF
W810
PWM/Dimming 13
NC N.C(open) 14
14PIN
CD403
CU2E1301
LIGHT_CTL
LIGHT_POWER_H
SW+12V
LCD+B
D462
SW+5.5V[EU]
SR240-F FROM/TO POWER3
CP411 (CP3801)
TWG-P23P-B1
SOUND+B[SW]
SOUND+B
PANEL_POWER_H SOUND+B
GND_S
SOUND GND
SOUND GND
GND
GND
GND
GND
SW+12V
SW+12V
SW+12V
RELAY_H
RELAY_H
SYS_POWER_H
SYS_POWER_H
LIGHT_CTL
LIGHT_CTL
LIGHT_POWER_H
LIGHT_POWER_H
AT+5V
Q432
AT+5V
AT+5V
4.6
POWER_FAIL
POWER_FAIL
GND
5.2
GND
GND
DTV+B2
DTV+B2
DTV+B2
DTV+B
DTV+B
DTV+B
0
0
FROM/TO POWER3
(CP3802)
CP412 TWG-P09P-B1
DTV-H
GND/DTV-H
GND
GND
GND
C459
16V 220 P.CON+5V/IN
MHE_P
P.CON+5V/IN
PANEL_POWER_H
PANEL_POWER_H
NC
LCD+B
LCD+B
LCD+B
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
7
6
5
1
2
3
4
5
6
7
8
9
4
10
11
12
13
14
15
16
17
18
19
20
21
3
22
23
1
2
3
2
4
5
6
7
8
9
PCB240
CEF273
1
H
H-36