Emerson LC320EM9 B, Руководство по обслуживанию

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7-5
Digital Signal Process Block Diagram
A8AF1BLD
DIGIT
AL MAIN CB
A UNIT
IC4202
(MEMOR
Y)
IC3301
(DIGIT
AL SIGNAL PR
OCESS)
IC4201
(LCD DRIVE)
LCD MODULE ASSEMBL
Y
CN4501
BRSB2(+)
52
BRSB2(-)
51
BRSB1(+)
50
BRSB1(-)
49
BRSB0(+)
48
BRSB0(-)
47
BRSG2(+)
46
BRSG2(-)
45
BRSG1(+)
44
BRSG1(-)
43
BRSG0(+)
42
BRSG0(-)
41
BRSR2(+)
17
BRSR2(-)
16
BRSR1(+)
15
BRSR1(-)
14
BRSR0(+)
13
BRSR0(-)
12
)
22
BRSCLK(-)
21
V
-COM
7
STH-S
11
TP1
19
POL
18
STV
5
CN4502
FRSB2(+)
53
FRSB2(-)
52
FRSB1(+)
51
FRSB1(-)
50
FRSB0(+)
49
FRSB0(-)
48
FRSG2(+)
47
FRSG2(-)
46
FRSG1(+)
45
FRSG1(-)
44
FRSG0(+)
43
FRSG0(-)
42
FRSR2(+)
18
FRSR2(-)
17
FRSR1(+)
16
FRSR1(-)
15
FRSR0(+)
14
FRSR0(-)
13
)
23
FRSCLK(-)
22
STH-F
55
CPV
6 OE1
5 STV
7
LVDS RX
75 74 73 72 71 70 66 65 64 63
24 25 22 23 20 21 16 17 18 19
62 61 60 59 58 57 56 55 69 68 90 77 78 81 52 51 50 49 48 47 44 43 41 40 39 38 37 36 35 34 33 32 46
145
80 82 84 83
AF20
9
10
7 8 5 6 1 2 3 4
D-RSDS OUTPUT
LVDS RX
SCL SD
A
SCL SD
A
D-RSDS OUTPUT
87 88
6 5
DA
T
A
MAPPING
AE20 AD19 AD20 AE19 AF19 AF18 AE18 AE21 AF21 AD25 AD26 AE25 AF25 AF24 AE24 AD23 AD24 AF26 AE26
LV
D
S
TX
DIGIT
A
L
SIGNAL PR
OCESS
A/D CONVER
TER
VIDEO-Pr VIDEO S-VIDEO-Y S-VIDEO-C
T
O
VIDEO
BLOCK DIA
GRAM
SW
W3
U3 V3 V4
VIDEO-Pb
T3
VIDEO-Y
U4 T4
TU-CVBS
Y3
IF-A
GC
HDMI-IN1 HDMI-IN2
JK4001
TMDS-D0(+) TMDS-D0(-) TMDS-D1(+) TMDS-D1(-) TMDS-D2(+) TMDS-D2(-) SD
A
SCL
7 9 4 6 1 3
10 12 16 15
7 9 4 6 1 3
10 12 16 15
JK4002
TMDS-D0(+) TMDS-D0(-) TMDS-D1(+) TMDS-D1(-) TMDS-D2(+) TMDS-D2(-) TMDS-CLOCK(+) TMDS-CLOCK(-) SD
A
SCL
A9 B9 C8 C9 B8 A8
B10 A10
E9
C10
A5 B5 C4 C5 B4 A4 B6 A6 D7 B7
Q4002
B
UFFER
Q4001
B
U
FFER
Q4004
B
UFFER
Q4003
B
U
FFER
TMDS-CLOCK(+) TMDS-CLOCK(-)
V
-COM
9
TP1
20
POL
19
VCOM-PWM
DEMODULA
T
OR
/MPEG DECODER
AF2 AF7
A
U
DIO I/F
T
O
A
U
DIO-1
BLOCK DIA
GRAM
T
O
A
U
DIO-2
BLOCK DIA
GRAM
AC
L
K
A
U
X-AD
A
T
A
BCLK LRCLK AC
L
K
BCLK LRCLK A
D
ATA
SPDIF
AD15 AE15 AE16 AF15 AF16 AD16
D
A
T
A
(0-15)
ADDESS(0-12)
IC3201
A13-15,A18, A21-23,B13-15, B17,B19-23 C15,C17-19, C23,C24,D14, D15,D17-19, D22,D23
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
(SDRAM)
HDMI I/F
A
U
DIO
DECODER
SIF DIF-OUT1 DIF-OUT2 IF-A
GC
T
O
VIDEO
BLOCK DIA
GRAM
VIDEO DECODER
VIDEO SIGNAL
A
UDIO SIGNAL
T
O
SYSTEM
CONTR
O
L
BLOCK DIA
GRAM
Q4501,Q4516
SWITCHING
IC4511
,Q4511,
Q4512,Q4513
DRIVE
VDDG
2
AE2 AF5
DEMODULA
T
OR