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

– 21 –
DX-AT50H
NU
2
1
VIDEO-Y
3
2
GND
4
3
VIDEO-CR
5
4
GND
6
5
VIDEO-CB
7
6
CN1602
CN1003
W1003
AC CORD
CN302
1
/FERS
2
GND
3
RDY
-HIF
4
SCL
5
SDA
6
BUSCLR
7
SENSJ
CN201
1
MONI0
2
MONI2
3
JITTER
4
GND
FP-DOUT
1
1
STATUS
2
2
FP-STB
3
3
PWSW
4
4
NU
5
5
NU
12
12
GND
11
11
FP-CLK
6
6
REMOTE1
7
7
FP-DIN
8
8
EV+5V
9
9
PWRCON(NU) 10
10
CN2001
CN1002
W1002
011)
CN301
1
GND
2
SBT5
3
SBD5
4
/FERS
5
/WORD
6
P-ON+3.3V(D)
(BE56C0G01022)
BA UNIT
CK UP UNIT
PLY CBA
FRONT CBA
(NO CONNECTION)
(NO CONNECTION)
(NO CONNECTION)
AUDIO
OUT(L)
AUDIO
OUT(R)
DIGITAL
AUDIO OUT
S-VIDEO 
OUT
VIDEO
OUT
CN101
5N
U
6
GND
7
P-ON+5V
8
DVD-LD
9
GND(LD)
10
CD-LD
1
1
PD-MONI
12
DVD-VR
13
CD-VR
14
NU
15
NU
16
GND
17
VREF
18
F2/e4+f4
19
20
21
F1/e1+f1
A/a
D/d
DETECTOR
22
GH/GL-SW
23
NU
24
CD/DVD-SW
25
C/c
26
B/b
27
E1/e2+f2
28
E2/e3+f3
29
P-ON+5V
30
GND
3 4 5 6 7 8 9 10 11 12 13
CS
CUIT
DX-AT50H
– 22 –
 Figure 22 BLOCK DIAGRAM (1/12)
System Control Block Diagram
59
60
49
82
IC301
(FRONT END PROCESSOR)
IC601
(DVD HOST PROCESSO
OSCI
OSCO
23
24
(16.9344MHz)
X301
CLOCK
X601
27MHz
120
READY
48
HANG
/FERS
TREV
TFWD
TIN
TOUT
READY
/FERS
TIN
TOUT
10
SEN
46 MUTE
47 PS
64
CPUDT0
NINT1
NINT2
WAIT
/RE
/WEL
CS1
RESET
NINT1
NINT2
WAIT
/RE
/WEL
CS1
RESET
CPUDT7
13
16
26
33
35
40
~
84
91
~~
~
~
CPUADR0
CPUADR17
~
VFD-STB
VFD-DIN
VFD-DOUT
REMOTE
VFD-CLK
MUTE
PS
CD/DVD
CFE
CAS
STANDBY
ADDRESS  BUS
DATA  BUS
CD/DVD
CFE
CAS
STANDBY
71
62
63
70
SCK
72
STDIO
SEN
SCK
STDIO
2
4
IC606
(INVERTER)
200
RESET
124
201
187
188
208
186
41
42
52
51
50
20
21
SDA
SDA
SCL
79
SCL
KEY  OUT
+3.3V
IRQ2
SDA
SCL
53
22
BUSCLR
BUSCLR
TFWD
TREV
76
77
1
2
3
6
11
RESET
IC605
5
4
Q701
+3.3V
127
44
80 FG-IN
FG-IN
55 LDMT
LDMT
TRAY-IN 1
GND 2
TRAY-OUT 3
TRAY-IN/OUT
CN4401
TRSDRV
65 TRSDRV
57
58
SLM1
SLM2
SLM2
SLM1
SYNC
PWRCON
SLIDE 
DVD MAIN CBA UNIT
FROM/TO
DVD SIGNAL 
PROCESS
BLOCK 
DIAGRAM
FROM/TO
RF SIGNAL 
PROCESS
/SERVO
BLOCK 
DIAGRAM
– 23 –
DX-AT50H
 Figure 23 BLOCK DIAGRAM (2/12)
ST PROCESSOR)
3
VFD-STB
1
VFD-DIN
2
VFD-DOUT
125
REMOTE
204
VFD-CLK
CN1002
CN2001
FP-STB
3
3
FP-DIN
8
8
FP-DOUT
1
1
FP-CLK
6
6
REMOTE1
7
7
62
64
61
63
REMOTE
SENSOR
RM2001
SEG18
SEG1
~
22
5
~
K1
K2
FP-STB
FP-DIN
FP-DOUT
FP-CLK
SEG
LCD
FL2001
IC2001
(FRONT PANEL CONTROL)
44
45
KEY
MATRIX
43
41
~
COM3
COM1
~
K3 46
K4
KEY-1
47
50
KEY-2 51
COM
CN501
CN1001
FP-STB
29
29
FP-DIN
24
24
FP-DOUT
30
30
FP-CLK
26
26
REMOTE1
23
23
103
SYNC
STATUS
28
28
STATUS
2
2
Q2005
Q2004
Q2001
1
2
P-OFF
DIMMER
LE2001
BACK LIGHT
LE2002
207
PWRCON
JK1701
REMOTE
JACK
 BUFFER
Q1701
PWRCON
BACK LIGHT
SLIDE SERVO SIGNAL
PWSW
TO
POWER SUPPLY
BLOCK DIAGRAM
FRONT CBA
POWER 
SUPPLY CBA
TO
POWER SUPPLY
BLOCK DIAGRAM
A UNIT
DX-AT50H
– 24 –
 Figure 24 BLOCK DIAGRAM (3/12)
RF Signal Process/Servo Block Diagram
A/a 20
B/b 26
C/c 25
D/d 21
E1/e2+f2 27
E2/e3+f3 28
DVD-LD
8
CD-LD 10
PD-MONI 11
FS(+)
2
FS(-)
4
TS(+)
1
TS(-)
3
CN101
CN101
CN101
CN4402
CN4403
IC401
IC103
(SERVO DRIVE)
(SW)
IC101  (RF SIGNAL PROCESS)
FS
TS
CD/DVD 24
F2/e4+f4 18
F1/e1+f1 19
58
59
60
62
63
57
49
51
50
52
INPUT
MATRIX
TRACKING
BALANCE
FOCUS
BALANCE
TRACKI
ERROR 
FOCUS
ERROR 
LPC
AMP
Q101
2
3
1
4
34
27
35
31
30
36
37
AMP
Q102
AMP
FOCUS
ACTUATOR DRIVE
TRACKING
ACTUATOR DRIVE
LOADING
MOTOR DRIVE
SPINDLE
MOTOR 
DRIVE
BIAS 
BRAKE
SELECT
SLIDE
MOTOR 
DRIVE
28
40
41
DATA(VIDEO/AUDIO) SIGNAL
4
1 3
47
HOLD
VGA
E
6
DVD-VR 12
GND(LD)
9
CD-VR 13
38
LOADING
MOTOR
M
H(-) 1
HW(-) 2
HW(+) 3
HV(-) 4
HV(+) 5
HU(-) 6
HU(+) 7
H(+) 8
M_U 9
M_V 10
M_W 11
SPINDLE
MOTOR
SLIDE
MOTOR
M
M
16
17
23
18
20
21
19
+5V
13
12
14
24
26
9
10
6
5
1
2
SL2(-) 4
SL1(+) 3
SL1(-) 2
SL2(+) 1
PICK-UP UNIT
DETECTOR
5
6
9
3
4
11
10
12
13
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