Sharp 190TW8FB - Scaler Board Schematics; Power and EEPROM Circuits; Backlight and Brightness Circuits

Schematic Diagram( Scaler Board - POWER_RESET_)EEPROM)
190TW8 TV
26
S-A01
A
A
B
B
C
C
D
D
E
E
4 4
3
3
2
2
1 1
SCL
SDA +12VAUDIO
URST#
SYSROMWP
8201UP3_4
+12V_CN
BL_ON/OFF
Dimming
Dimming
BL_ON/OFF
PWM1
PWM0
+5V_IN
C N_GND
SCL
SDA
SB33B
5VSB
SB33B
SB33B
5VSB
VCC
DV33B
DV33B
+12V
+12V
+12V_IN
DV33B
+5V_IN 5VSB
SB33B
DV33B
SB33B
+12V_CN
+12V_IN +12VAUDIO
SDA 4,6,8,11
SCL 4,6,8,11
+12VAUDIO 11,13
URST# 4
8201UP3_4 4GPIO10 4
8201UP3_4 48201UP3_4 4
PWM04
PWM14
URST#4
Control_Power 7
SYSTEM EEPROM
SYSTEM RESER
H : WP DISABLE
L : WP ENABLE
B
1
3
2
C
RWOPMETSYSRWOPM
ETSYS
AUDIO AMP POWER
MAIN CONNECTOR
EXTERNAL MCU POWER
SYSTEM EEPROM
1
C
B
2
3
PANEL BRIGHTNESS
PANEL BACKLIGHT
2
C
1
3
B
CB2
0.1uF/6
R327 10R/6
C7
0.1uF/6
12
R12
1k/6
Q2
SI9435
2
3
4
5
7
6
8
1
1
H1
MTH276D126
2
3
4
5
6
7
8
9
Q6
2N3904
SOT23
2
1 3
Q3
2N3904
SOT23
2
1 3
L3
Bead_12
1_4A/8
R352 4.7k/6
L2
Bead_121_4A/8
+
CE1
330uF/25V
12
R6
10k/6
C211
22P/6/NC
12
CB1
0.1uF/6
D1
PSM-A
Q8
2N3904
SOT23
2
1 3
+
CE3
47uF/16V
12
C5
0.1uF/6
R3
2.2K/6
Q25
SI9435/NC
2
3
4 5
7
6
8
1
1
H3
MTH276D126
2
3
4
5
6
7
8
9
+ CE47
330uF/25V
12
Q7
2N3904
SOT23
2
1 3
R353 4.7k/6/NC
R5
1k/6
C2
0.1uF/6
C212
22P/6/NC
12
+ C3
10uF/25V
12
Q26
2N3904/NC
SOT23
2
1 3
CB3
0.1uF/6
CB96
0.1uF/6
U1
24C16
SOIC8
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
Q5
2N3904
2
1 3
R354 4.7k/6
R4
2.2K/6
L52
Bead_121_4A/8
+
CE4
10uF/25V
12
R1
10k/6
R9
220/6
R308
10k/6/NC
R328 10R/6
R290
10k/6/NC
1
H2
MTH276D126
2
3
4
5 6
7
8
9
CB97
0.1uF/6
R8 0R/6
C195
2200pF/6/NC
R14
4.7k/6
R17
10k/6/NC
C1
2200pF/6
Q1
SI9435
2
3
4
5
7
6
8
1
C196
0.1uF/6/NC
1
H4
MTH276D126
2
3
4
5 6
7
8
9
CB4
1uF/6
R291
2.2K/6/NC
CB5
0.1uF/6
L1
Bead_121_4A/8
C4
2200pF/6
R310
10k/6/NC
R309
10k/6/NC
R2
10k/6
+ C6
10uF/25V
12
R11
47k/6
+
C197
10uF/25V/NC
12
R10
4.7k/6
R13
10k/6
+ CE2
330uF/25V
12
R7 100R/6
Q4
2N3904
SOT23
2
1 3
R15
20k/6
R16 10k/6
CN1
CON10 2.54
1
2
3
4
5
6
7
8
9
10
C1 B4
C2 C4
C3 C4
C4 A4
C5 A4
C6 B4
C7 A1
C195 D4
C196 D4
C197 D4
C211 C1
C212 C1
CB1 A3
CB2 C3
CB3 D3
CB4 E2
CB5 B1
CB96 B3
CB97 C3
CE1 A3
CE2 C3
CE3 C3
CE4 B1
CE47 B3
CN1 A3
D1 A1
H1 D2
H2 E2
H3 D2
H4 E2
L1 A3
L2 C3
L3 B3
L52 A2
Q1 A4
Q2 B4
Q3 B4
Q4 A4
Q5 A1
Q6 D3
Q7 E4
Q8 C1
Q25 C4
Q26 C4
R1 B4
R2 A4
R3 B4
R4 A4
R5 E3
R6 A1
R7 E3
R8 E3
R9 A1
R10 D3
R11 B1
R12 E4
R13 E4
R14 E4
R15 C2
R16 D1
R17 C1
R290 C4
R291 C4
R308 A4
R309 D3
R310 D1
R327 C1
R328 C1
R352 B4
R353 C4
R354 A4
U1 B1