FUNAI A8C72EP, Service Manual

Page: 24 / 64

7-5
A8C72BLD
Digital Signal Process Block Diagram
DIGIT
AL MAIN CB
A UNIT
IC4202
(MEMOR
Y)
IC4513
(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
VCOM
7 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 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
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
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
AL
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
COMP-Pr VIDEO S-VIDEO-Y S-VIDEO-C VIDEO-R VIDEO-G VIDEO-B
T
O
VIDEO
BLOCK DIA
GRAM
SW
W3 U3 V3 V4 Y2 Y1
AA1
COMP-Pb
T3
COMP-Y
U4
T4
TU-CVBS
Y3
V
GA-HSYNC
V
GA-VSYNC
HDMI-IN1
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
A9 B9 C8 C9 B8 A8
B10 A10
E9
C10
Q4002
B
UFFER
Q4001
B
UFFER
TMDS-CLOCK(+) TMDS-CLOCK(-)
VCOM
9 TP1
20
POL
19
VCOM-PWM
TS I/F
AB12
DTV
-CVBS
A
UDIO I/F
T
O
A
UDIO-1
BLOCK DIA
GRAM
T
O
A
UDIO-2
BLOCK DIA
GRAM
A
CLK
A
UX-AD
A
T
A
BCLK LRCLK A
CLK
BCLK LRCLK A
D
ATA
1
A
D
ATA
AD15 AE15 AE16 AF15 A
C17
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
AB25
TS-D
A
T
A
T
O
VIDEO
BLOCK DIA
GRAM
VIDEO DECODER
VIDEO SIGNAL
A
UDIO SIGNAL
T
O
SYSTEM
CONTR
OL
BLOCK DIA
GRAM
IC4511
,Q4511,
Q4512,Q4513
DRIVE
CI CARD SLO
T
Y22,Y23,AA21-23, AB21-23,AF7-11, AE9,AE10,AD10 V21,W21,Y21, AA20,A
C20,A
C21
AE14,AF14
IC3826
3,4,7,8, 13,14, 17,18
(LA
TCH)
LA
TCH
2,5,6, 9,12,15
D(0-15)
D(0-7) A(0-7)
A(8-13)
A(0-13)