FUNAI HD-A2685, Service Manual

Page: 20 / 64

1-10-2
Digital Signal Process Block Diagram
IC101
FR
ONT
-END
DIGIT
AL
SIGNAL PR
OCESS
IC201
RF/ ERR
OR AMP
IC301
M
OTO
R
DRIVER
M
OTO
R
DRIVER
IC202
OP AMP
IC302
IC104
(FLASH MEMOR
Y)
T
O
VIDEO
BLOCK DIA
GRAM
CN1201 T
O
A
UDIO
BLOCK DIA
GRAM
CN1201
T2
M4
G4 L4 K1 G3
U1 R3 U2
P26 N26 M26
T3 P2
R1
P3
R2
R26
D/A D/A D/A D/A
A
UDIO
I/F
VIDEO ENCODER
BA
CK-END
DIGIT
AL
SIGNAL PR
OCESS
VIDEO I/F
FLASH MEMOR
Y
FE ENCODER
TRA
Y OPEN
IC102,IC103
(DDR SDRAM)
DDR SDRAM
CN201
D
VD MECHANISM
HARD DISK DRIVE
TIL
T
TRA
CKING
FOCUS
PICK -UP
SLED MOTOR
M
REC VIDEO SIGNAL
PB VIDEO SIGNAL
REC AUDIO SIGNAL
PB AUDIO SIGNAL
D/A
LPC
CN1001
CN701
CN1003
SPINDLE MOTOR
M
CN1002
CN301
+3.3V
IC701
(VIDEO DECODER)
DECODER
A/D
45-50
Y2, AA4, AB1-AB4
DECODER
A/D
39-44
V3, Y3,
W1,
Y4, W2,
AA3
10 13
VIDEO-Y(I/P)-OUT
24
VIDEO-Y(I)-OUT
30
VIDEO-C-OUT
22
VIDEO-C-IN
8
VIDEO-Cb/Pb-OUT
28
VIDEO-Cr/Pr-OUT
26
VIDEO-Y/CVBS-IN
10
IC801 (A
UDIO D/A CONVER
TER)
A
UDIO D/A
CONVER
TER
7 6 8
15 14 16
4 3
5
IC802 (A
UDIO A/D CONVER
TER)
A
UDIO A/D
CONVER
TER
7 8 9
13 14
6 2
L-CH R-CH
MUTE
R-CH L-CH
10 11 12
CN701
A
UDIO(L)-OUT
14
A
UDIO(R)-OUT
16
DVD/HDD-A
UDIO-MUTE
12
A
U
DIO(L)-IN
20
A
U
DIO(R)-IN
18
28
28
SPDIF
CN101
CN1151
CN1801
99
SPDIF
CN1802
DIGIT
AL
A
UDIO OUT
(CO
AXIAL)
JK1209 (REAR)
B
UFFER
Q1803
WF7
CN3002
CN3001
CN651
D
VD/HDD MAIN CB
A
A
T
A
CB
A
RELA
Y CB
A
J
A
CK CB
A
A
V
CB
A
ENCODER CB
A
JK1207 (REAR)
FIBER OPTIC TRANS MODULE
DIGIT
AL
A
UDIO OUT
(OPTICAL)
E2B25BLD