Sharp LC-26SB14U Service Manual - Page 40

Regulator2 Schematic Diagram

Page 40 highlights

A 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 7 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 NC 6 19 REMOCON_IN 20 LIGHT_CTL 21 KEY_A 22 LIGHT_POWER_H 23 KEY_B C3001_1 10P CH C3036 16V 220 V-S C3003 0.001 B R3001 100K B L3003 330uHNLCV32T TUNER+30V POWER_FAIL SYS_POWER_H AT+3.3V D5.0V AT+5V VDD_PANEL LCD-H P.CON+9V STBY-H IR_REMO VDIM KEY_A BLON KEY_B C3009 0.001 B 5 4 3 SH3001 SH3002 SH3003 SH3004 SH3005 2 YQ-12 YQ-12 YQ-12 YQ-12 YQ-12 C D E F REGULATOR2 SCHEMATIC DIAGRAM (DIGITAL PCB) AT+5V 1V_CTL L3001 22uH TSL0808 R3011 1K GND VCC1.0V DC/DC VDD CORE 1.05V IC IC3001 BD9130NV 0.8 ADJ 5.3 VCC 0.2 ITH 0 GND EN 3.5 PVCC 5.3 SW 2.5 PGND 0 R3016 1.5K +-1% R3018 100 +-1% L3002 10uHTSL0808 C3015 0.1 B C3016 R3008 680P CH 10K R3009 4.7K +-1% 4321 5678 C3024 10V 10 C C3026 10V10 C C3027 10V10 C C3029 6.3V 10 C C3031 6.3V 10 C C3032 6.3V 10 C C3033 6.3V 10 C G H FROM/TO FLASH D3.3V 8 BLON GND TO DDR D1.8V GND TO HDMI D3.3V D5.0V GND 7 FROM/TO SCALER VIDEO/AUDIO LCD-H AT+3.3V VDIM D3.3V B3003 (typ 1.8A) HCB1608KF-181T20 D1.0V GND TO TUNER TUNER+30V D3.3V D5.0V GND 6 TO SURROUND P.CON+9V AT+5V GND TO LVDS AT+5V W857 R3022 for CORE VCC+3.3V DC/DC L3004 D3.3V D1.0V VDD_PANEL 0.047 1/4W 5.3 3.3 3.3 22uH GND 2125 4 5 6 SLF10145T 5 DC DC FET IC3004 TPC6108 C3021HCB1608KF-181T20 B3004 HCB1608KF-181T20 B3005 W858 C3013 R3020 SDD FROM/TO MICON 6.3V 68 CD 2125 0.047 1/4W DC DC CTL (SCALER:typ 1800mA) SYS_POWER_H IC3002 AL1015 GDD 3.3V_POWER_H 0.001 B 5678 R3014 3.3K C3011 0.1 B C3012 0.01 B R3019 33K C3017 27P CH 4321 C3014 0.1 B 5.3 4.5 VIN V5/PWON CS EXT 5.3 C3019 3 2 1 1.9 0.1 B 1.9 3.3 3.3 W900 AT+3.3V STBY-H KEY_A C3022 6.3V 68 CD SW Q3004 KRC103SRTK 4.5 0 R3023 1.2 Vref/SS 1.3 CC GND 0 FB 1.3 R3024 R3025 1.5K +-1% 220 +-1% 1K +-1% D3004 EC31QS04 W901 D3.3V KEY_B IR_REMO POWER_FAIL AT+5V 1V_CTL GND 0 0 0 4 R3010 3.3V_POWER_H 1K SW Q3003 0 KRC103SRTK L3005 22uH TSL0808 TO SCALER POWER D3.3V D1.8V D1.0V GND TO AV SWITCH2 P.CON+9V D5.0V D3.3V 3 D1.8V D3.3V 1.8V_REGULATOR IC IC3003 PQ035ZN1HZPH V_IN VB V_OUT V_ADJ GND 1 2 6 4 5 5.0 3.3 1.8 1.3 0 (DDR2:typ 1095mA) TO JACK3 D5.0V P.CON+9V AT+5V GND C3037 6.3V 10 B C3038 6.3V 330 V-S C3023 1B R3007 100 R3015 6.8K +-1% R3017 150 +-1% 2 3.3K +-1% C3035 16V 10 V-S R3013 C3018 2.2 B 1 A H-23 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. NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY CAUTION: DIGITAL TRANSISTOR E F G PCBDH0 CEG352 H 1 H-24

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A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC3004
TPC6108
DC DC FET
1
2
3
4
5
6
SH3001
YQ-12
SH3002
YQ-12
SH3003
YQ-12
SH3004
YQ-12
SH3005
YQ-12
IC3003
PQ035ZN1HZPH
1.8V_REGULATOR IC
1
2
4
5
6
L3005
22uH
TSL0808
L3002
10uHTSL0808
L3001
22uH
TSL0808
L3004
22uH
SLF10145T
C3013
68
6.3V
CD
L3003
330uHNLCV32T
CP3001
TWG-P23P-A1
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
3
4
5
6
7
8
9
W857
W858
W900
W901
IC3002
AL1015
DC DC CTL
1
2
3
4
5
6
7
8
IC3001
BD9130NV
VDD CORE 1.05V IC
1
2
3
4
5
6
7
8
D3004
EC31QS04
Q3004
KRC103SRTK
SW
Q3003
KRC103SRTK
SW
CAUTION: DIGITAL TRANSISTOR
R3019
33K
R3023
1K
+-1%
R3024
1.5K
+-1%
R3025
220
+-1%
R3013
3.3K
+-1%
R3017
150
+-1%
R3015
6.8K
+-1%
R3007
100
R3010
1K
R3016
1.5K
+-1%
R3018
100
+-1%
R3020
0.047
1/4W
2125
R3009
4.7K
+-1%
R3008
10K
R3011
1K
R3014
3.3K
R3022
0.047
1/4W
2125
R3001
100K
C3012
0.01
B
C3014
0.1
B
C3011
0.1
B
C3021
0.001
B
C3017
27P
CH
C3019
0.1
B
C3033
10
6.3V
C
C3018
2.2
B
C3023
1
B
C3037
10
6.3V
B
C3026
10
10V
C
C3027
10
10V
C
C3024
10
10V
C
C3029
10
6.3V
C
C3031
10
6.3V
C
C3032
10
6.3V
C
C3015
0.1
B
C3016
680P
CH
C3003
0.001
B
C3009
0.001 B
C3001_1
10P
CH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
C3022
68
6.3V
CD
C3035
10
16V
V-S
C3038
330
6.3V
V-S
C3036
220
16V
V-S
B3004
HCB1608KF-181T20
B3005
HCB1608KF-181T20
B3003
HCB1608KF-181T20
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
D3.3V
BLON
GND
D1.8V
GND
TUNER+30V
POWER_FAIL
SYS_POWER_H
AT+3.3V
D3.3V
D5.0V
D5.0V
GND
AT+5V
AT+5V
LCD-H
AT+3.3V
VDIM
VDD_PANEL
1V_CTL
D3.3V
LCD-H
GND
P.CON+9V
D1.0V
TUNER+30V
STBY-H
D3.3V
D5.0V
GND
IR_REMO
VDIM
GND
KEY_A
P.CON+9V
BLON
AT+5V
KEY_B
GND
D3.3V
D1.0V
VDD_PANEL
GND
AT+5V
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
3.3V_POWER_H
D3.3V
D1.8V
D1.0V
GND
P.CON+9V
D5.0V
D3.3V
D1.8V
D5.0V
P.CON+9V
AT+5V
GND
D3.3V
H-24
H-23
TO DDR
REGULATOR2 SCHEMATIC DIAGRAM
(DIGITAL PCB)
(typ 1.8A)
TO JACK3
TO AV SWITCH2
TO SCALER POWER
FROM/TO MICON
TO LVDS
TO SURROUND
FROM/TO SCALER VIDEO/AUDIO
FROM/TO FLASH
TO TUNER
TO HDMI
1.3
CS
EXT
GND
FB
V5/PWON
Vref/SS
VIN
CC
1.3
1.2
4.5
0
VCC+3.3V DC/DC
(SCALER:typ 1800mA)
(DDR2:typ 1095mA)
V_IN
V_OUT V_ADJ
GND
0
1.3
3.3
1.8
5.0
VB
D
D
D
D
S
G
ADJ
VCC
ITH
GND
EN
PVCC
SW
PGND
VCC1.0V DC/DC
3.5
5.3
2.5
0
0
0
0
0
0
4.5
5.3
5.3
1.9
1.9
3.3
3.3
3.3
3.3
for CORE
5.3
0.8
5.3
0.2
0
PCBDH0
CEG352
NC
FROM/TO REGULATOR
(CP401)
KEY_B
POWER_FAIL
SYS_POWER_H
AT+3.3V
GND
P.CON+5V
AT+5V
AT+5V
GND
GND
LCD+B
LCD+B
LCD_H
P.CON+9V
GND
GND
SW+12V
KEY_A
REMOCON_IN
STBY_H
LIGHT_CTL
LIGHT_POWER_H
TUNER+30V