Sharp LC-20B2EA Service Manual page 21

AUDIO ACTIVE FILTER
CM_L/R
2
I C
AUDIO AMP
ACA_L/R
IC304
SC2_OUT_L/R
2
I C
Y/UV
SYNC SIGNAL
ROM
CONTROL SIGNAL
030
2 2
I C E PROM
PI
IC2004
MICON
IC2001
RESET
RESET
IC2002
L_ERR
UART
+22V
CVBS
+31V
+5V
+3.3V
+2.5V
10 11
L/R_IN
IC1903
A0_L/R
AUDIO AMP
IC3500
LCD
CONTROLLER
REV
IC1201
MPCLK
MPDA
OFL1
DAC2CS
DAC1CS
R/G/B
OSD R/G/B
OSD/TEXT
SELECTOR
IC1203
TEXT R/G/B
OFL REVERSE
Q3650
TEXT
R/G/B AMP
IC1619 1620
2
I C
R/G/B
SRAM 2M
IC1603
TELETEXT
CPU
FLASH 4M
IC1601
IC1602
12 13
AUDIO
POWER AMP
FLSP/FRSP
IC3305
PAVCC(+13V)
R0~7 G0~7 B0~7
V0 V7 V17 V21 V32 V64
GRADATION
POWER
V112 V176 V235 V255
IC1102~1108
IC1110
IC1112~1115
COMMON DRIVE
DAC
IC1109
IC1101 1111
L_ERR
LAMP ERROR
DETECTOR
Q3600~3604
OFL
DC/AC
INVERTER
DRIVE
Q6700
~6714
INVVCC(+13V)
14 15 16
21
SPEAKER
HEADPHONE
HL/R
JACK
AUDIO OUT
LCD
PANEL
VGLCOM
VCOM
CSCOM
BACK
HV1/2/3
LIGHT
LAMP
DC/AC
TRANS
T6700
~6709
KEY
REMOTE
CONTROL
RECEIVER
17 18
LC-20B2EA
P3301
P3302
J5003
J3902
J3903
SC1201
SC1202
SC1203
P3601
P4001
P4004
19