Regulator2 Schematic Diagram - Sharp LC-26SB14U - 26" LCD TV Service Manual

A B
8
FROM/TO REGULATOR
CP3001 (CP401)
TWG-P23P-A1
1 TUNER+30V
2 POWER_FAIL
3 SYS_POWER_H
4 AT+3.3V
5 GND
6 P.CON+5V
7
7 AT+5V
8 AT+5V
9 GND
10 GND
11 LCD+B
12 LCD+B
13 LCD_H
L3003
14 P.CON+9V
330uHNLCV32T
15 GND
16 GND
17 STBY_H
18 SW+12V NC
6
19 REMOCON_IN
20 LIGHT_CTL
21 KEY_A
22 LIGHT_POWER_H
KEY_B
23
5
4
3
SH3001 SH3002 SH3003 SH3004 SH3005
YQ-12 YQ-12 YQ-12 YQ-12 YQ-12
2
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
H-23
C

REGULATOR2 SCHEMATIC DIAGRAM

TUNER+30V
POWER_FAIL
SYS_POWER_H
AT+3.3V
D5.0V
AT+5V
AT+5V
VDD_PANEL
1V_CTL
LCD-H
P.CON+9V
STBY-H
IR_REMO
VDIM
GND
KEY_A
BLON
KEY_B
AT+5V
3.3V_POWER_H
D3.3V
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL PCB)
L3001
22uH TSL0808
R3011
VDD CORE 1.05V IC
IC3001
1K
0.8
ADJ
5.3
VCC
0.2
ITH
0
GND
R3022
0.047
W857 2125
W858
C3013 R3020
2125 0.047
6.3V 68 CD
DC DC CTL
IC3002
C3014
5.3
VIN
0.1 B 4.5
V5/PWON
1.2
Vref/SS
1.3
CC
SW
Q3004 4.5
KRC103SRTK
0
0
0
0
SW
R3010 0
Q3003
KRC103SRTK
1K
1.8V_REGULATOR IC
IC3003
PQ035ZN1HZPH
R3007
100
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F
VCC1.0V DC/DC
R3016 R3018
1.5K 100
+-1% +-1%
BD9130NV
3.5
EN
5.3
B3003
PVCC L3002
HCB1608KF-181T20
2.5
SW
0
10uHTSL0808
PGND
VCC+3.3V DC/DC
for CORE
L3004
1/4W 22uH
5.3 3.3 3.3
SLF10145T
4 5 6
S D D
(SCALER:typ 1800mA)
1/4W
G D D
AL1015
C3019 3 2 1
5.3
CS
1.9 3.3 3.3
B W900
0.1
1.9
EXT
0
GND
R3024 R3025
1.3
FB
1.5K +-1% 220 +-1%
W901
L3005
22uH TSL0808
(DDR2:typ 1095mA)
V_IN VB V_OUT V_ADJ GND
1 2 6 4 5
5.0 3.3 1.8 1.3 0
R3015 R3017
6.8K 150
+-1% +-1%
CAUTION
:SINCE THESE PARTS MARKED BY ARE
ETANT
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G H
FROM/TO FLASH
D3.3V
8
BLON
GND
TO DDR
D1.8V
GND
TO HDMI
D3.3V
D5.0V
7
GND
FROM/TO SCALER VIDEO/AUDIO
LCD-H
AT+3.3V
VDIM
D3.3V
GND
(typ 1.8A)
TO TUNER
D1.0V
TUNER+30V
D3.3V
D5.0V
GND 6
TO SURROUND
P.CON+9V
AT+5V
GND
TO LVDS
D3.3V
D1.0V
VDD_PANEL
GND
5
FROM/TO MICON
SYS_POWER_H
3.3V_POWER_H
AT+3.3V
STBY-H
KEY_A
KEY_B
IR_REMO
D3.3V
POWER_FAIL
AT+5V
1V_CTL
GND
4
TO SCALER POWER
D3.3V
D1.8V
D1.0V
GND
TO AV SWITCH2
P.CON+9V
D5.0V
3
D3.3V
D1.8V
TO JACK3
D5.0V
P.CON+9V
AT+5V
GND
2
PCBDH0
CEG352
CAUTION: DIGITAL TRANSISTOR
1
G H
H-24