Block Diagram - Sharp LC-20B2EA Service Manual

LC-20B2EA

BLOCK DIAGRAM

ANTENNA
H
SC3903 SCART
(AV1)
AUDIO IN
G AUDIO OUT
VIDEO OUT
SDA/RXD
SCL/TXD
VIDEO IN
R/G/B_ST
F
SC5001
S
INPUT
J5002
VIDEO
(AV2)
E
INPUT
J5001
AUDIO
(AV2)
INPUT
J3702
DC13V
D
INPUT
PAVCC
C
SIGVCC
B
INVVCC
A
1 2
TUNER
2
I C
SC_L/R
TV_V
TV/AV
SELECTOR
V1.SY
IC402
2
I C/UART
V1.L/R
REG
REG
REG
DC/DC
CONVERTER
T3701
PWM
Q3700
3 4 5
ANA_IN1+/2+
SIF1/2
AI_L/R
SC2_IN_L/R
SC1_OUT_L/R
AUDIO AMP
IC1902
SC1_IN_L/R
V2_V R/G/B_IN
+3.3V
IC1208
+5V
IC751
+5V
IC703
+31V
–20V
Q3706
IC752
REG
IC3701
+13V
IC1610
REG
6 7
20
DACM_L/R
MSP
IC1901 DACA_L/R
VPC
V1. SC
IC801
2
V1IN E PROM
IC2030
V2VO SPI
SYNC SEP
IC401
CSYNC
2
I C
UART
Q3704 +22V
IC3702
Q3707
+9V
+8V
+5V
+3.3V
–8V
+5V
IC1606 +3.3V
REG
+2.5V
REG IC1613
8 9
2
I C
A
SC2_OUT_L/
2
I C
Y/
S
CON
2
I C
MICON
IC2001
R
L_
+31V
10