FUNAI LT850-M26 - SERVICE, Service Manual

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9-4
A0CA0BLD
Digital Signal Process Block Diagram
DIGIT
AL MAIN CB
A UNIT
IC3301
(DIGIT
AL SIGNAL PR
OCESS)
VIDEO-OUT
DIGIT
AL
SIGNAL PR
OCESS
D-SUB
3
12 15
1 2
RED
GREEN
BLUE
D
ATA
CLOCK
JK3701
L2
P2
J2
A/D CONVER
TER
T1
14 13
HSYNC
VSYNC
U1 U2
AG
8
AK5
V1 V2
AE1 AB3
AA2
AC
3
AD1
AB4
AD4
AE3 AC
4
AD2
AC
1
AB1 AA3
W1
VIDEO-IN VIDEO-R VIDEO-G VIDEO-B
T
O
VIDEO
BLOCK DIA
GRAM
T
O
VIDEO
BLOCK DIA
GRAM
T
O
VIDEO
BLOCK DIA
GRAM
T
O
A
UDIO
BLOCK DIA
GRAM
SW
N3 N1 M1
L3
M2 R1 K1
J3
RGB-VIDEO-IN
N2
VIDEO-R2
M3
RGB-VIDEO-IN2
P1
DIF-OUT2 DIF-OUT1 IF-A
GC
T2
TU-CVBS
AA1
P3
H-SYNC V
-SYNC
V
GA-SD
A
V
GA-SCL
IF-A
GC
HDMI-IN2
HDMI-IN1
JK3703
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
JK3704
TMDS-D0(+)
TMDS-D0(-)
TMDS-D1(+)
TMDS-D1(-)
TMDS-D2(+)
TMDS-D2(-)
TMDS-CLOCK(+)
TMDS-CLOCK(-)
SD
A
SCL
F2 F1 G2 G1 H2 H1 E2 E1
AG
10
AJ8
B1 B2 C1 C2 D1 D2 A1 A2
AF10
AE11
TMDS-CLOCK(+) TMDS-CLOCK(-)
DEMODULA
T
O
R
/MPEG DECODER
DEMODU
.
ADC DA
C
A
U
DIO I/F
RDQ(0-31) MRA(0-12)
IC3201,
IC3202
(DDR2 SDRAM)
Q3302
Q3301
HDMI I/F
HDMI-IN3
7 9 4 6 1 3
10 12 16 15
JK3702
TMDS-D0(+)
TMDS-D0(-)
TMDS-D1(+)
TMDS-D1(-)
TMDS-D2(+)
TMDS-D2(-)
TMDS-CLOCK(+)
TMDS-CLOCK(-)
SD
A
SCL
B5 A5 B4 A4 B3 A3 B6 A6
AJ7 AK6
A
UDIO
DECODER
VIDEO DECODER
VIDEO SIGNAL
A
U
DIO SIGNAL
CI CARD SLO
T
DA
C
SIF(+)
C8
LRCK
D9
BCK
D8
D
ATA
0
B8
MCLK
AB2
LCD MODUL
E
ASSEMBL
Y
CN3901
LL
V1(-)
21
LL
V1(+)
20
LL
V0(-)
23
LL
V0(+)
22
LL
V2(-)
19
LL
V2(+)
18
LL
V3(-)
13
LL
V3(+)
12
LL
V4(-)
11
LL
V4(+)
10
LL
V5(-)
9
LL
V5(+)
8
LL
VCLK(+)
16
LL
VCLK(-)
15
TP
6 POL
5 CPV
4 OE1
3 STV
1
TIMING CONTR
OL
LVDS OUTPUT
AK23 AJ23 AK22 AJ22 AK21 AJ21 AK20 AJ20 AK19 AJ19 AH18 AH19 AJ24 AK24 AG
23
AH23 AH25 AK26 AH26
D
A
T
A(0-31)
ADDESS(0-12)
GD
A
T(0-15)
GADR(0-13)
S-VIDEO-Y
-IN
S-VIDEO-C-IN COM-VIDEO-Y
-IN
COM-VIDEO-Pb-IN COM-VIDEO-Pr-IN
VIDEO-OUT2
AJ2 AJ27
RGB-A
UDIO(L)-OUT2
A
U
DIO(L)
A
U
DIO(R)
COM-A
UDIO(L)
PC-A
UDIO(L)
PC-A
UDIO(R)
RGB-A
UDIO(L)-OUT
RGB-A
UDIO(R)-OUT
RGB-A
UDIO(L)-IN
RGB-A
UDIO(R)-IN
AC
2
AD3
RGB-A
UDIO(L)-IN2
RGB-A
UDIO(R)-IN2
COM-A
UDIO(R)
RGB-A
UDIO(R)-OUT2
B
U
FFER
B
UFFER