Sharp LC-26DV24U Service Manual page 66

A B
8
AT+5V
FROM/TO POWER2
7
SW+12V
VDIM
BLON
P.CON+5V
AT+5V
LCD-H
LCD+B
P_GND
TU+32V SW
Q409
KTA1504S_Y_RTK
36.9
AT+34V
R496
36.3
6
22K
FROM/TO POWER
0
SW+6V[UNREG]
POWER_FAIL
0
AT+34V
P.CON+5V
P_GND P_GND
SYS_POWER_H
IC409
5
IN
1
SW+12V
4
P_GND
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
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.
A B
H-37
C
REGULATOR SCHEMATIC DIAGRAM
OUT
IN
5 4
1 2 3
ON/OFF GND NC
R430
1K
R502
36.9
1.5K 1/4W
P.CON SW
Q410
KRC102SRTK
9.0
9V REG. IC
KIA7809API
GND OUT
2 3
SH407 SH404
YQ-12 YQ-12
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D E
(POWER PCB)
P.CON+5V
SW+12V
IC413
LV5795-TE-L-E
BOOT
AT+3.3V
V_IN
SW
GND
W805
P_GND
W823
L403
TUNER+30V
22uH1315
SW+6V[UNREG]
4 5 6
S D D
G D D
3 2 1
W881
SYS_POWER_H
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 G
SS
R490
EN
1K 1/4W
R409
FROM/TO AUDIO/VIDEO
COMP
3.6K
CP403
FB A2001WR2-8P
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
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: DIGITAL TRANSISTOR
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
SYS_POWER_H
FROM/TO JACK 7
(CP8502)
GND
GND(M) 8
7
6
FROM/TO JACK2
GND 5
4
STBY-H
3
IR_REMO
2
AT+5V
GND 1
GND
6
FROM/TO SOUND
GND
TO AV SWITCH
5
P.CON+9V
GND
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
H
H-38