DOWNLOAD Sharp DX-AT50H (serv.man21) Service Manual ↓ Size: 3.04 MB | Pages: 76 in PDF or view online for FREE

Model
DX-AT50H (serv.man21)
Pages
76
Size
3.04 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / complete
File
dx-at50h-sm21.pdf
Date
PREV: Sharp DX-AT50H (serv.man20) Service Manual

Sharp DX-AT50H (serv.man21) Service Manual ▷ View online

– 25 –
DX-AT50H
 Figure 25 BLOCK DIAGRAM (4/12)
LDMT
PS
IC201 (SERVO DSP)
TRACKING
ERROR DET
VEL
ADJ
FOCUS
ERROR DET
SERIAL
I/F
MUTE
13
14
12
7
8
0
1
69
115
114
118
117
SCK
CD/DVD
TESTSG
ARF
NARF
STDIO
SEN
11
STANDBY
DAC1
DAC0
TRSDRV
119
AUDIO) SIGNAL
FOCUS SERVO SIGNAL
TRACKING SERVO SIGNAL
SLIDE SERVO SIGNAL
DISK SERVO SIGNAL
FE
FBAL
TBAL
OFTR
BDO
TE
AS
120
RFENV
68
SPDRV
VGA
BDO DET
OFTR DET
MIRROR DET
EQ
31
30
40
39
18
6
22
7
20
46
41
66
65
51
52
CFE
CAS
7
1
5
3
IC102
(OP  AMP)
10
8
TRCRS 90
67
FG-IN
FG-IN
8
4
6
2
TRSDRV
SLM2
SLM1
FROM/TO
SYSTEM CONTROL
BLOCK DIAGRAM
FROM/TO DVD
SIGNAL PROCESS
BLOCK DIAGRAM
DVD MAIN CBA UNIT
DX-AT50H
– 26 –
 Figure 26 BLOCK DIAGRAM (5/12)
DVD Signal Process Block Diagram
IC201 (DVD SIGNAL PROCESS)
111
110
ARF
NARF
TESTSG
DATA
SLICER
PLL
VCO
CPU
INTERFACE
DVD
DEMODULATOR
MEMORY 
MANAGER
82
BCA
CPUDT0
NINT1
ADDRESS  BUS
DATA  BUS
NINT2
NINT1
NINT2
WAIT
/RE
/WEL
CS1
RESET
WAIT
/RE
/WEL
CS1
RESET
CPUDT7
30
22
17
9
~
44
37
~~
~
CPUADR0
CPUADR17
~
2
5
6
36
35
34
47
OSCI1
X201
(16.9344MHz)
OSCO1
79
80
FROM/TO RF SIGNAL
PROCESS/SERVO 
BLOCK DIAGRAM
FROM/TO
SYSTEM
CONTROL
BLOCK 
DIAGRAM
– 27 –
DX-AT50H
 Figure 27 BLOCK DIAGRAM (6/12)
PARA0
PARA0-PARA7
PARA1
PARA2
PARA3
PARA4
PARA5
PARA6
PARA7
VIDEO/AUDIO
INTERFACE
EMORY 
ANAGER
172
168
166
164
160
158
151
149
DATA(VIDEO/AUDIO) SIGNAL
TO VIDEO 
BLOCK DIAGRAM
DVD MAIN CBA UNIT
DX-AT50H
– 28 –
 Figure 28 BLOCK DIAGRAM (7/12)
Video Block Diagram
IC601 (DVD HOST PROCESSOR)
IC604
IC602
(8Mbit FLASH MEMORY)
PARA0
PARA7
A0
A18
DATA0
AD0
AD13
DATA15
DQ0
DQ15
CE
OE
WE
CS3
OE
DQM0
AD0
AD13
~
DQ0
DQ15
~
~
~
~
ADDR1
ADDR20
~
~
~
DATA0-DATA15
ADDR1-ADDR20
AD0-AD13
PARA0-PARA7
79 80 78
76
77
17 18
39 16
8
1
~
25
16
~
6
13
~
29
45
~
DQ0
DQ15
DQML
DQMU
WE
~
15
(64Mbit SDRAM)
20
26
~
2
13
~
29
35
~
42
53
~
173
182
~
161
170
~
141
158
~
11
26
28
128
132
117
RAS
CAS
LDQM
UDQM
WE
RAS
CAS
58
63
~
66
73
~
74
19
CS
CS
INTERNAL
PERIPHERALS
PORTS
PROGRAMMABLE
CPU INTERF
ACE
CENTRAL
COMMAND
PORT
FRONT-END
& LINK
INTERFACE
ST20 ARBITER & 
MEMORY CONTROLLER
SDRAM ARBITER
SHARED SDRAM INTERFACE
I/F
VIDEO
DECODER
AUDIO
DECODER
CACHE
SUBSYSTEM
CPU
VIDEO
FILTERING
OSD, SP
DECODER
& MIXING
CD FIFO
SDRAM
BLOCK
MOVE
DENC
48
97
102
~
84
93
~
DQ0-DQ15
FROM DVD 
SIGNAL PROCESS
BLOCK DIAGRAM 
DVD MAIN CBA UNIT
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