Sharp LC32DV24U - 31.5" LCD TV Service Manual page 67

A B
8
AT+5V
7
FROM/TO POWER2
SW+12V
VDIM
BLON
LCD-H
LCD+B
TU+32V SW
P.CON+5V
Q409
SYS_POWER_H
KTA1504S_Y_RTK
AT+5V
36.4 36.4
AT+34V
6
35.8
R496
22K
FROM/TO POWER
0
SW+6V[UNREG]
POWER_FAIL
AT+34V
0
P.CON+5V
AT+5V
SYS_POWER_H
P_GND
P_GND
IC409
5
IN
1
12.4
SW+12V
4
P_GND
3
2
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
1
A B
H-37
C
REGULATOR SCHEMATIC DIAGRAM
3.27
5.37
5 4
OUT IN
ON/OFF GND NC
1 2 3
5.35 0 NC
R430
1K
R502
1.5K 1/4W
P.CON SW
Q410
KRC102SRTK
5.2
9V REG.
KIA7809API
GND OUT
2 3
0 9.06
SH407 SH404 SH403
YQ-12 YQ-36 YQ-12
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(POWER PCB)
P.CON+5V
SW+12V
DC-DC CONTROL
IC413 LV5795-TE-L-E
17.2
BOOT
AT+3.3V
14
V_IN
13.8
SW COMP
0
GND
W805
P_GND
W823
L403
TUNER+30V
22uHPF13
SW+6V[UNREG]
6.3 6.3 6.3
4 5 6
S D D
G D D
3 2 1
2.9 6.3 6.3
W881
SYS_POWER_H
0
3.2
HFE
0
Q421
KRC101S-RTK
P.CON+9V
ATTENTION
THE RESISTOR MARKED F IS FUSE RESISTOR. :LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
N'UTILISER QUE CELLS DECRITES
IS NON POLAR ONE.
DANS LA NOMENCLATURE DES PIECES
D E
F G
R490
2.3
SS
1K 1/4W
3.2
EN
R409
1.7
FROM/TO AUDIO/VIDEO
3.6K
CP403 (CP8502)
1
FB A2001WR2-8P
GND(M)
R422
P.CON+6V
2.7K +-1%
P.CON+A5V
R418 R465
P.CON+12V
4.7K +-1% 3.9K +-1%
P.CON+3.3V
P.CON+3.3V
W842
SH401
YQ-36
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 KEY_A NC
22 LIGHT_POWER_H
23 KEY_B
NC
CAUTION
ETANT :SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
SYS_POWER_H
TO JACK
7
GND
8
7
6
GND 5
4 FROM/TO JACK2
3
STBY-H
2
IR_REMO
GND 1 GND
6
TO SOUND
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
3
P_GND
LCD+B
LCD-H
P.CON+9V
STBY-H
SW+12V
IR_REMO
VDIM
BLON 2
PCB240
CEG353
CAUTION: DIGITAL TRANSISTOR
ARE
1
H
H-38