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LC-20A2E
BLOCK DIAGRAMS
Ë MAIN BLOCK DIAGRAM
J
DACA_L/R
HEAD PHONE
P2003
OUTPUT
SC2001
AV
SC2 OUT L/R
I
OUTPUT
SIF
TUNER
TV V
INPUT
H
V2 L/R
AV1
V2 V
INPUT/
V2 LO/RO
OUTPUT
V2 VO
G
V1 L/R
AV2 INPUT
DY
V1 V
S INPUT
V1 SC
F
SCL, SDA
2
I
C
bus
OSDHD
OSD
OSDVD
E
SC801
OSDR, OSDG, OSDB
SUBCLK, SUBIN, SUBOUT, M/S IN, M/S OUT
PA VCC
DC 13V
D
INV VCC
SIG VCC
P901
C
DC/DC
T701
PWM
B
IC702
A
1
2
3
MSP
IC901
BUFFER
IC902
TV/AV
SELECTION
AV1
IC402
AV2
VPC
VO
IC801
AV3
SC
SYNC SEPARATE
2
I
C
IC401
HD
CSYNC
PA DC 13V
INV DC 13V
+5V REG
IC751
+5V
+38V
Q204
+31V
+16V
+14V
Q202
Q203
+9V
+8V
+5V
IC201
-8V
+3.3V REG
+3.3V
IC752
4
5
6
7
8
AUDIO
AMPLIFER
DACA_L/R
IC304
DACM_L/R
LPF
IC903
2
I
C
2
I
C
UV0~UV7, VP_Y0~VP_Y7
HSY
VSY
LLC1, LLC2, FIELD
CONTROL SIGNAL
MP_CLK, MPDA, DAC1CS
HSY
ANALOG
2
I
C
SWITCH
IC2007
E
IC2004
HSY2
MICON
CS
IC2001
RESET
IC2002
CSYNC
REMOTE CONTROL
RECEIVER
KEY
INV
DC13V
9
10
11
12
20~21
L/R
AUDIO
AMPLIFER
REVERSE
IC303
IC3305
PA DC13V
FIFO
IC1202
ANALOG MULTIPLEXER
LCD
CONTROLLER
R0~R5, G0~G5, B0~B5, CK
IC1201
GRADUATION
POWER FOR
LCD
IC1102~IC1108, IC1110
2
I
C
2
PROM
MP_CLK, MPDA, DAC1CS
DAC
CS
IC1101
L_ERR
OFL1
DC/AC
INVERTER
DRIVE
Q3603
Q7751~Q7755
INV VCC
13
14
15
16
LC-20A2E
FLSP
FRSP
FRONT SPEAKER
L/R
PA VCC
GCK
IC1205
LCD
PANEL
V0,V16,V32
V48,V64
CSCOM
COMMON DRIVE
IC1109
LAMP ERROR
DET
LAMP
DC/AC
TRANCE
T7751~T7756
17
18
19
20
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