Block Diagram - Sharp LC-20S4U-S Service Manual And Parts Listparts List

LC-20S4U-S

BLOCK DIAGRAM

LED_UNIT
H
HP (Front)
Jack
3.5ø (STEREO)
SP
SP 2
G
F
AFT to MPU
VIDEO
TUNER
S-IF
I2C (3.3V)
E
S-SW
SY-IN
INPUT 1
SC-IN
IN
AUDIO-IN
VIDEO-IN
AUDIO-IN/OUT
VIDEO-IN/OUT
INPUT3
D IN/OUT
AUDIO-IN
Y-IN
INPUT 1
COMPONENT Pb-IN
C
Pr-IN
AC
12.5V
ADAPTER
DC
B
IN
AC IN
A
1 2
AUDIO_POWER_AMP
IC3301
SP_MUTE
SLEEP
(S_STBY)
SOUND VCC
F3702
2A
5.3V
IC2003
SIG VCC
F3701
2.5A
T701 CONTROL
IC701,Q716
+5V
IC702
+3.3V
IC703
INVTER VCC
3 4
SOUND_PROCESSOR
IC3201
DACA_OUT
DACM_OUT
SIF AMP ANA_IN1
ANA_IN2
_
SC1_IN
SCL/SDA
SC2_IN
SC2_OUT
SC3_IN
SC4_IN SC1_OUT
AUDIO IN/OUT SWITCH
IC3401
OUT
IN/OUT
BUFFER
Y-OUT
3DYC
IC7001
BUFFER C-OUT
IC3406
IC3402
IN
OUT
VIDEO IN/OUT SWICH
Q3410
IN/OUT
BUFFER
BUFFER
BUFFER
+3.3V
IC2011
+35V
T701
+9V
DC/DC
CONVERTER
+5.3V
-7 V
-12V
+1.8V
IC802
5 6
34
TUNER_PWB
I2C (3.3V)
IN
S IN/OUT
I2C (3.3V)
BUFFER
IN
BUFFER
S_SEL
BUFFER
BUFFER
V_SEL
TV_SEL
BUFFER
V_IN/OUT
+2.5V
IC7002
7 8 9
MAIN_PWB
10