Emerson LC320EM8, Service Manual

Page: 27 / 69

7-5
A71F3BLD
TU3001
IF1
21
IF2
20
DIGIT
AL MAIN CB
A UNIT
VIDEO SIGNAL
A
UDIO SIGNAL
(TUNER UNIT)
LCD MODULE ASSEMBL
Y
SA
W
FIL
TER
DEMODU -LA
T
O
R
MPEG DECODER
D
A
T
A(0-7)
D
A
T
A(0-15)
ADDESS(0-12)
T
O
VIDEO
BLOCK DIA
GRAM
T
O
A
UDIO-1
BLOCK DIA
GRAM
IC3015
(DIGIT
AL SIGNAL PR
OCESS)
IF-A
GC
IF-A
GC
VIDEO
A
UDIO(L)
A
UDIO(R)
S-VIDEO-Y S-VIDEO-C
D
VI D
A
T
A
(0-23)
18
VIDEO
(ANALOG)
H-SYNC
V
-SYNC
CLOCK
V
-COM
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
4
IC3016 IC3018
IC3019
(MEMOR
Y)
B
UFFER
Q3019
DIGIT
AL
SIGNAL PR
OCESS
ADC-OSCLK ADC-OSCLK HDMI-BCLK HDMI-LRCLK HDMI-AD
A
T
A
ADC-D
A
T
A
ADC-BCLK ADC-LRCLK
A
UDIO
INTERF
A
C
E
ANALOG SW
T
O
VIDEO
BLOCK DIA
GRAM
CLK D-IN D-OUT CS
CLK
D-IN
D-OUT
CS
T
O
A
UDIO-2
BLOCK DIA
GRAM
A/D CONVER
TER
CN3023
IX-TX0(+)
21
IX-TX0(-)
20
IX-TX1(+)
18
IX-TX1(-)
19
IX-TX2(+)
15
IX-TX2(-)
16
IX-TX3(+)
9 IX-TX3(-)
10
IX-CLK(+)
12
IX-CLK(-)
13
IX-
V
-COM
23
A15
AF9
AD10 AF11
AD1 AE1 AD2 AD3 AE2
AF2 A25
AE3
A21 A22 A16
C5
A13
A9
C11 B16
A3 A2 B3 B1
AD6-9, AD11-14, AE6-9, AE11-14, AF5-8 AF12-15 D3,E2, E3,F1, F2,G1, H2,H3
29-32,
41-44
T24-26,U24, U26,V24-26, W24,W26,Y24-26 H24,H25,J26, K24-26,L25,L26, M24-26,N24, P24-26,R24
B1,B9,C2,C8,
D1,D3,D7,D9,
F1,F9,G2,G8, H1,H3,H7,H9
M2,M3,M7,M8, N2,N3,N7,N8, P2,P3,P7,P8,R2
IC3005
(L
VDS TRANSMITTER)
IC3004
(GAMMA CORRECTION)
27 28 31
47 48 45 46 41 42 37 38 39 40
19 20 17 18 14 15
9
10 12 13
57 56 59 58 63 62 67 66 65 64
TTL P
ARALLEL
TO SERIAL CONVER
T
.
PLL
LVDS RX
LVDS TX
GAMMA CORR.
2-4,6-8, 10-12,14-16, 18-20,22-24, 50-52,54-56
H1,J1-3, K1-3,L1-3, M1,M2, P1-3,R1-3, T1-3,U1-3
(SDRAM) (FLASH MEMOR
Y)
6 5 2 1
Q3001 DRIVE
DIGIT
A
L
A
U
DIO-OUT
(CO
A
XIAL)
JK3004
B
UFFER
Q3018
Digital Signal Process Block Diagram