Read Sharp LC-20B2E (serv.man5) Service Manual online
21
LC-20B2E
20
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
BLOCK DIAGRAM
Ë
TUNER Block Diagram
I
2
C bus
AV1
INPUT/
OUTPUT
TUNER
INPUT
AV
OUTPUT
AV1
INPUT/
OUTPUT
ANT
INPUT
AV
OUTPUT
SCL, SDA
H
V
R_VPC, G_ VPC, B_VPC
SUBCLK
SUBIN
SUBOUT
M/S IN
M/S OUT
V OUT VPC
SC1 OUT L/R MSP
V IN3 VPC
SC2 IN L/R MSP
V IN2 VPC
AN IN1 MSP
SC2 OUT L/R MSP
SC902
I
2
C
I
2
C
I
2
C
OSD
SC802
DC 13V
SIG Vcc
INV Vcc
PA Vcc
HR
HL
P904
ANALOG SWITCH
I4
MICON
I9
ANALOG SWITCH
I13
R_OSD, G_OSD, B_OSD
H
V
TUNER
W7, W14
SOUND(L/R)
RF
AV1 SOUND(L/R)
AV1 PICTURE
R_SCART, G_SCART, B_SCART
AV1 SOUND OUTPUT(L/R)
AV1 PICTURE OUTPUT
SCL, SDA
I
2
C
I
2
C
E
2
PROM
I2
ROM
I3
MEMORY
I6
DC JACK
HEADPHONE
JACK
J3702
SC903
J902
J903
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