Sylvania LC320SS9 A, Service Manual

Page: 29 / 64

7-5
Digital Signal Process Block Diagram
A8AF0BLD
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
LV
D
S
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
LV
D
S
RX
SCL SD
A
SCL SD
A
D-RSDS OUTPUT
87 88
6 5
D
ATA
MAPPING
AE20 AD19 AD20 AE19 AF19 AF18 AE18 AE21 AF21 AD25 AD26 AE25 AF25 AF24 AE24 AD23 AD24 AF26 AE26
LVDS TX
DIGIT
A
L
SIGNAL PR
OCESS
IC3701
(MEMOR
Y)
5 6
SD
A
SCL
D-SUB
3
12 15
1 2
RED
GREEN
BLUE
D
ATA
CLOCK
JK3701
T5 R4 R3 R5
A/D CONVER
TER
14 13
HSYNC
VSYNC
K5 L5
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
V
G
A-HSYNC
V
G
A-VSYNC
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
U
FFER
Q4001
B
UFFER
Q4004
B
U
FFER
Q4003
B
UFFER
TMDS-CLOCK(+) TMDS-CLOCK(-)
V
-COM
9
TP1
20
POL
19
VCOM-PWM
DEMODULA
T
OR
/MPEG DECODER
AF2 AF7
A
UDIO I/F
T
O
A
U
DIO-1
BLOCK DIA
G
RAM
T
O
A
U
DIO-2
BLOCK DIA
G
RAM
AC
L
K
A
UX-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
UDIO
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
OL
BLOCK DIA
GRAM
Q4501,Q4516
SWITCHING
IC4511
,Q4511,
Q4512,Q4513
DRIVE
VDDG
2
AE2 AF5
DEMODULA
T
OR