Block Diagram - Sharp LC-20E1U Service Manual

BLOCK DIAGRAM

H I2C
TV-V
TUNER
TU3201
SIF
SIF-AMP.
SY, SC
AV1
V1
S-VIDEO
G
INPUT L1, R1
AV2 AUDIO
L2, R2
INPUT IN/OUT
OUTPUT SWITCH
IC3501
Q3500
F
Y, PB, PR
COMPONENT
INPUT
DL, DR
AUDIO
DECODER
(MSP)
IC3304
DC IN
E
I2C
DC13V
REGULATOR
IC3702
DC/DC 38V
T3701
D
IC3701
9V
Q3700
Q3701
Q3702
5V
-8V
-20V
C
LAMP
CHECK
B
INVERTER-A UNIT
INVERTER
Q6700, Q6701
COLD
T6700, T6701
HOT
6 LAMPS
Q6703, Q6704
(UP)
T6702, T6703
Q6706, Q6707
A T6704, T6705
1 2 3
32
ANALOG UNIT
Q3201
Q3202
V2/VO
TV-V
V1
V2
VIDEO
V2
IN/OUT
SWITCH
VOUT
Q3501-Q3505
AUDIO
FILTER
IC3301
IC3303
SYNC
SEPARATER.
Q401
IC401
31V
AUDIO
Q3707
AMPLIFIER
IC3305
29V
Q3704
8V
Q3706
HEAD
PHONE
JACK
SP-L SP-R
COLD
HOT
4 LAMPS
(DOWN)
4 5
Y and C
SYOUT, SCOUT
SWITCH
IC7101
I2C
SY, SC
VIDEO
DECODER
VIDEO
AV1 V
(VPC)
SWITCH
IC801
IC402
V1SY
VOUT
VIDEO
6d B AMP. SWITCH
DY
IC7201 IC7202
DY
DY, PB, PR
3.3V REG.
IC702
BUFFER
Q402
CK, VD, HD, OSD-RGB
3 WIRE
CVIN
BUS-SWITCH
IC2003
CSYNC
MPU E2PROM
IC2001 IC2004
IREMI, POWOUT, TIMED
L_ERR
KEY1, KEY2, PSWIN
5V REG. RESET
IC703 IC2002
INVERTER-B UNIT
LED
R/C
D4014
RECEIVER
INVERTER
D4015
RMC4002
Q6709, Q6710
RC/LED UNIT
T6706, T6707
Q6712, Q6713
T6708, T6709
6 7 8
I2C
DIGITAL UNIT
3D Y/C REGULATOR
YO, CO
SEPARATOR IC7102
IC7001 IC7701
IC7002
V1SY,V1SC RESET
IC7004
LCD
CONTROLLER
IC1201
FIFO
IC1202
GRADUATION
POWER FOR
LCD
DAC
IC1102-IC1108
IC1101
IC1110
IC1111
IC1112
IC1114
IC1115
COMMON
IC1113
I2C
IC1109
Q1101
Q1102
Q1108
Q1109
LCD
POWER
TIMING
IC1116
Q1103
Q1104
Q1105
POWER
CONTROL
SWITCH
KEYS
CONTROL UNIT
9 10 11
33
LC-20E1U
LC-20E1UB/UW
LCD
PANEL
12