Regulator Schematic Diagram - Sharp LC-32AD5E-BK Service Manual

A B
8
7
FROM/TO POWER3
GND
6
P.CON+5V
AT+5V
D3209
AT+12V
EC31QS04
P.CON+8V
AT+3.3V
5
4
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1 NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-5
C

REGULATOR SCHEMATIC DIAGRAM

3.3V_REG
IC3201 BA00BC0WFP
V_C V_IN GND V_OUT V_ADJ
1 2 6 4 5
R3205
2.7 4.1 0 3.3 1.2
R3211
22K
6.8K
+-1%
D3202
EC31QS04
W860
5.0 5.0
SW
4.3
Q3205
KTA1664-Y-RTF/P
0
SW R3228
1.8 W909
Q3206
KRC102SRTK 8.2K
0
R3202
0.047 1/4W
L3201
R3203
0.047 1/4W
22uHTSL0808
C3201 16V 2200 ZL
C3208
5V_SW_REG_CTL
C3203 0.1 B
IC3202 AL1015 0.01 B
13.8
C3207
13.8
C3202 0.1 B
VIN CS
C3205
4.5 14.2 0.01 B
V5/PWON EXT
0.1 B 1.25 0
Vref/SS GND
R3207
1.2 1.25
CC FB
1.5K
+-1%
CAUTION
:SINCE THESE PARTS MARKED BY
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
CRITICAL FOR SAFETY,USE ONES
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
DESCRIBED IN PARTS LIST ONLY
C
D E
(MAIN PCB)
V_C
2.9
D3204
W811
AT+3.3V
EC31QS04
GND
PC_SYNC_SW
V_C
2.9
D3205
W815
HDMI+3.3V
EC31QS04
GND
GND
AT+3.3V
HDMI_VNREG+5V
AT+3.3V
HDMI+5V
W914
PC_SYNC_SW
4 5 6
S D D L3202_1
33uH
L3203
1315
D 22uHTSL0808
G D
3 2 1
R3208
220
+-1%
W877
ATTENTION
:LES PIECES REPAREES PAR UN
ARE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
AT1.8V_1_REG
IC3203 BD7820FP
V_IN GND V_OUT V_ADJ
1 2 6 4 5
AT+1.8V_1
2.9 1.8 0.75
0
R3215
R3210
1K
1K
+-1%
AT1.8V_2_REG
IC3204 BD7820FP
V_IN GND V_OUT V_ADJ
1 2 6 4 5
AT+1.8V_2
2.9 1.8 0.74
0
R3216
R3213
1K
1K
+-1%
3.3 3.3 P.CON+3.3V
SW
Q3200
2.7
2SB1132
0.6
SW
3.2 SYS_POWER_H
Q3201
KRC102SRTK
0
AT+3.3V
5V_SW_REG_CTL
IC3205 KIA78D05F
IN GND OUT
1 2 3
P.CON+5V_VCTP
GND
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
7
FROM/TO SCALER
SYS_POWER_H
AT+3.3V
AT+1.8V_1
AT+1.8V_2
P.CON+5V_VCTP
FROM/TO SUB MICON/RS-232C
PC_SYNC_SW
P.CON+3.3V 6
AT+3.3V
GND
FROM/TO JACK
P.CON+3.3V
5
FROM/TO INTERFACE_HDMI IC
HDMI+5V
HDMI_VNREG+5V
HDMI+3.3V
GND
FROM/TO AV JACK/SWITCH
4
P.CON+3.3V
FROM/TO TUNER
P.CON+3.3V
3
2
PCBF40
CMF111
1
H
H-6