Block Diagrams - Sharp LC-15B2UA Service Manual

LC-15B2UA

BLOCK DIAGRAMS

J
I2C
TV-V
TUNER
TU3201
SIF
I
SY, SC
AV 1
V1
S-VIDEO
L1, R1
INPUT
H
AV 2
L2, R2
INPUT IN/OUT
OUTPUT SWITCH
Y, PB, PR
G
COMPONENT
DL, DR
INPUT
DC IN
DC12V
F
REGULATOR
IC3702
DC/DC 38V
E
T3701
IC3701
9V
Q3700
Q3701
Q3702
5V
-8V
D
-20V
LA MP
CHECK
C
INVERTER UNIT
INVERTER
COLD
Q6500, Q6501
B
HOT T6500, T6501
LAMPS
Q6503, Q6504
T6502, T6503
A
1 2 3
ANALOG UNIT
SIF-AMP.
Q3201
Q3202
V2/VO
V2
AUDIO VIDEO
IN/OUT
SWITCH
VOUT
IC3501 Q3501-Q3505
Q3500
AUDIO
AUDIO
FILTER
DECODER
IC3301
(MSP)
IC3302
IC3304
IC3303
I2C
31V
AUDIO
Q3707
AM PLIFIER
IC3305
29V
Q3704
8V
Q3706
HEAD
PHONE
JACK
SP-L SP-R
4 5 6 7
SY, SC
TV-V
VIDEO
V
V1
SWITCH
V2
IC402
SYNC
BUFFER
SEPARATER.
Q402
Q401
IC401
CVIN
CSYNC
MPU
IC2001
IREMI, POWOUT,
TIMED
L_ERR
5V REG.
RESET
IC703
IC2002
LED
R/C
D4014
RECEIVER
D4015
LED UNIT
8 9 10 11 12
28~29
I2C
VIDEO
LCD
DECODER
CONTROLLER
(VPC)
IC1201
IC801
FIFO
IC1202
GRADUATION
3.3V REG.
POWER FOR
IC702
IC1102-IC1108
CK, VD, HD, OSD-RGB
3 WIRE
DAC
IC1101
IC1111
COMMON
BUS-SWITCH
I2C
IC1113
IC2003
IC1109
Q1101
Q1102
E2PROM
Q1108
IC2004
Q1109
KEY1, KEY2 ,
PSWIN
POWER CONTROL
SWITC H KEYS
CONTROL UNIT
13 14 15 16
LC-15B2UA
DIGITAL UNIT
LCD
PANEL
LCD
IC1110
IC1112
IC1114
IC1115
LCD
POWER
TIMING
IC1116
Q1103
Q1104
Q1105
17 18 19 20