Block Diagram - Sharp LC-20S4E Service Manual

BLOCK DIAGRAM

ANTENNA TUNER TU201
H
SC3901
SCART
SC3901 (AV1)
SC_ RIN / SC_LIN
AUDIO IN
SC_ ROUT / SC_LOUT
AUDIO OUT
SC_ VIN
VIDEO IN
G
OUTPUT DRIVER AMP
VIDEO OUT
Q3908 & Q3909
SC_ R / SC_G / SC_B
R/G/B IN
J5001
AV2
VI.R / VI.L
AUDIO IN
F J5001
AUDIO_OUT_R / AUDIO_OUT_L
AUDIO OUT
J5002
AV2
J5002
V1_SY / V1_SC
S-VIDEO IN
E
VI_V
VIDEO IN
KEY1 / KEY2
KEY
D
CN7701 BRIDGE DIODE
AC CORD
D7701
S.M.P.S
C IC7701
B
A
1 2 3
26
VIF
SF201
SIF
SF202
SC_VOUT
IC501
LOC
MPCLK / MPDA
CONTROLER_RESET
POW
Q7703
Q7719
POW
SWITCHING
Q7701
TRANS
Q7708
T7701
REG
IC7707
FEEDBACK ERROR AMP
IC7702 IC7704
POW
Q7702
IC7703
4 5
R_IN / L_IN
PC 9V
Y/U/V
YUV
IC801
Y/U/V IN
R/G/B
R/G/B
SCALER AMP
Q801-Q803
R/G/B SCALER
ROD0-5
GOD0-5
RX0-RX4
RX0N-RX4N LVDS TO TTL
BOD0-5
IC2201
DHS/DVS
3.3V_SW LLC1_CLOCK
3.3V_SW FLASH
MEMORY
IC151
2
2 E PROM
I C
IC101
3.3Vstb
POW
PC36V
INV +B
REG
PC14V
IC7705
PC-13V
SP Vcc
PC9V
POW
5V
3.3V_SW
REG
IC702
REG
1.8V_SW
IC701
REG
3.3Vstb
IC703
REG
PC5V-A
Q7704
IC7706
POW
REG
PC5V
IC704
6 7 8
SP_L/R (-)
AUDIO POWER AMP
SPEAKER
SP_L/R (+)
IC3301
SP Vcc
HEADPHONE
JACK
CONTROLER_RESET CONTROLER_RESET
3.3V_SW 3.3V_SW
MPCLK / MPDA
R0-R5 R1-R3
G0-G5 B1-B3
B0-B5 RSDS G1-G3
DPS IC2202
IC1201
HSY/VSY GSP1/GSP2
DE
LCD
PANEL
MPCLK / MPDA
VH0, VH7, VH15,VH23
MPCS VH31,VH39,VH47,VH55, VH63
VL0, VL7, VL15,VL23
GRADATION
VL31,VL39,VL47,VL55, VL63
POWER
PC14V
IC1101
3.3V_SW CS
LMP ERR
OFL1 / OFL2
LAMP ERROR
OFL REVERSE DETECTOR
Q3600, Q3601 Q6706, Q6713,
Q6717
BACK
LIGHT
LAMP
DC/AC
TRANS
DC/AC T6700-T6704
INVERTER
DRIVE
Q6700-Q6705
Q6707-Q6712
INV +B
Q6714-Q6716
REMOTE
CONTROL
RECEIVER
OPC
SENSOR
9 10 11
27
LC-20S4E
P3301
J4000
SC1201
P6700
P6701
P6702
P6703
P6705
&
12