Sharp DX-AT50H (serv.man21) Service Manual ▷ View online
– 17 –
DX-AT50H
[ROM RENEWAL MODE]
1. Turn the power on and remove the disc on the tray.
2. To put the DVD player into version up mode, press [9], [8],
2. To put the DVD player into version up mode, press [9], [8],
[7], [6], and [DIRECT SKIP] buttons on the remote control
unit in that order. The tray will open automatically.
Fig. a appears on the screen and Fig. b appears on the LCD.
unit in that order. The tray will open automatically.
Fig. a appears on the screen and Fig. b appears on the LCD.
BE F/W VERSION UP MODE
PLEASE INSERT A DISC
FOR BE F/W VERSION UP.
EXIT:
POWER
The DVD player can also enter the version up mode with the
tray open. In this case, Fig. a will be shown on the screen
while the tray is open.
tray open. In this case, Fig. a will be shown on the screen
while the tray is open.
3. Load the disc for version up. (For closing the tray, only the
"OPEN/CLOSE" button is available.)
4. The DVD player enters the F/W version up mode auto-
matically. Fig. c appears on the screen and Fig. d appears
on the LCD.
on the LCD.
BE F/W VERSION UP MODE
VERSION: ********
Reading...(*2)
The appearance shown in (*2) of Fig. c is described as follows:
Appearance
No.
State
Reading...
Sending files into the memory
Erasing...
Erasing previous version data
Programming...
1
2
3
Writing new version data
5. After programming is finished, the tray opens automatically.
Fig. e appears on the screen and the checksum in (*3) of
Fig. e appears on the LCD. (Fig. f)
Fig. e appears on the LCD. (Fig. f)
BE F/W VERSION UP MODE
VERSION: ********
COMPLETED SUM:7abc(*3)
At this time, no buttons are available.
6. For tray opening, plug the AC cord into the AC outlet.
7. Turn the power on by pressing the power button and the tray
7. Turn the power on by pressing the power button and the tray
will close.
Figure a Version Up Mode Screen
Figure b LCD in Version Up Mode
Figure c Programming Mode Screen
Figure d LCD in Programming Mode (Example)
Figure e Completed Program Mode Screen
Figure f
LCD upon Finishing the Programming Mode (Example)
DX-AT50H
– 18 –
[ ERROR RATE MEASUREMENT]
1. Turn the power on, remove the disc from the tray and close
the tray.
2. To put the DVD player into test mode, press [1], [2], [3], [4],
and [ON SCREEN] buttons on the remote control unit in that
order.
Fig. a will appear on the screen and the current B/E version
will appear on the LCD. (Fig. b)
order.
Fig. a will appear on the screen and the current B/E version
will appear on the LCD. (Fig. b)
E56***D FE *.*** BE *.*** AVD *.*
AUD_VER :** AUD_IDE :** REGION *
DEN_CID :** FEI_REV :** VID_REV :**
AUD_VER :** AUD_IDE :** REGION *
DEN_CID :** FEI_REV :** VID_REV :**
1. TEST1-VFD
2. TEST2-REPEAT PLAY
3. TEST3-EEPROM MEMORY CLEAR
4. TEST4-MEASUREMENT MODE
5. TEST5-TEST DISC
2. TEST2-REPEAT PLAY
3. TEST3-EEPROM MEMORY CLEAR
4. TEST4-MEASUREMENT MODE
5. TEST5-TEST DISC
EXIT:
POWER
3. To select No. 4 "TEST4-MEASUREMENT MODE," press
button [4] on the remote control unit.
Fig. c will appear on the screen and Fig. d will appear on the
LCD.
Fig. c will appear on the screen and Fig. d will appear on the
LCD.
E56***D FE *.*** BE *.*** AVD *.*
TEST4-MEASUREMENT MODE
1. NEXT
2. LASER POWER
2. LASER POWER
EXIT:
POWER
RETURN:
RETURN
4. To select No. 1 "NEXT," press button [1] on the remote
control unit.
Fig. e will appear on the screen. LCD will not change.
Fig. e will appear on the screen. LCD will not change.
E56***D FE*.*** BE*.*** AVD*.*
TEST4-MEASUREMENT MODE
STATUS: * * * * * * * *
1. TRACKING SERVO ON/OFF
2. PLAY MODE
3. S-CURVE
4. AUTOMATIC ADJUSTMENT
2. PLAY MODE
3. S-CURVE
4. AUTOMATIC ADJUSTMENT
EXIT:
POWER
RETURN:
RETURN
5. To select No. 2 "PLAY MODE," press button [2] on the
remote control unit.
The screen will not change and the unit open the tray
automatically. LCD will not change.
The screen will not change and the unit open the tray
automatically. LCD will not change.
6. Load the disc to measure the error rate and press [OPEN/
CLOSE] button or [PLAY] button. The unit will close the tray
automatically and fig. f will appear on the screen.
automatically and fig. f will appear on the screen.
E56***D FE*.*** BE*.*** AVD*.*
TEST4-MEASUREMENT MODE
DISC:DVD / DUAL LAYER / OPPOSITE
END(or TIME): ******H(or **;**)
STATUS: * * * * * * * *
DISC:DVD / DUAL LAYER / OPPOSITE
END(or TIME): ******H(or **;**)
STATUS: * * * * * * * *
PLAY MODE
1. PLAY
2. JITTOR
3. ERROR RATE
1. PLAY
2. JITTOR
3. ERROR RATE
EXIT:
POWER
RETURN:
RETURN
Figure a Test Mode Screen
Figure b LCD in Test Mode
Figure c TEST4-MEASUREMENT MODE Screen
Figure d LCD in TEST4-MEASUREMENT MODE
Figure e Next Mode Screen
Figure f Play Mode Screen
– 19 –
DX-AT50H
7. To select No. 3 "ERROR RATE," press button [3] on the
remote control unit.
Fig. g will appear on the screen and Fig. d will appear on the
LCD.
Fig. g will appear on the screen and Fig. d will appear on the
LCD.
E56***D FE *.*** BE *.*** AVD *.*
TEST4-MEASUREMENT MODE
DISC:DVD / DUAL LAYER / OPPOSITE
END:******H / ******H
STATUS: * * * * * * * *
DISC:DVD / DUAL LAYER / OPPOSITE
END:******H / ******H
STATUS: * * * * * * * *
PLAY MODE-ERROR RATE
1. L-0/030000 HEX
2. L-0/220000 HEX
3. L-1/FC0000 HEX
4. L-1/E00000 HEX
1. L-0/030000 HEX
2. L-0/220000 HEX
3. L-1/FC0000 HEX
4. L-1/E00000 HEX
EXIT:
POWER
RETURN:
RETURN
(I) When loading DVD
E56***D FE *.*** BE *.*** AVD *.*
TEST4-MEASUREMENT MODE
DISC: AUDIO CD
TIME: **:**
STATUS: * * * * * * * *
DISC: AUDIO CD
TIME: **:**
STATUS: * * * * * * * *
PLAY MODE-ERROR RATE
1. 00:02
2. 60:00
1. 00:02
2. 60:00
EXIT:
RETURN:
RETURN
POWER
(II) When loading CD/VCD
In "PLAY MODE-ERROR RATE" of fig. g, each item means
the following:
1. Inner circumference of loaded disc
the following:
1. Inner circumference of loaded disc
(on DVD: inner circumference of layer 0)
2. Outer circumference of loaded disc
(on DVD: outer circumference of layer 0)
3. Outer circumference of layer 1 on loaded disc
(on DVD only: when in parallel, inner circumference)
4. Inner circumference of layer 1 on loaded disc
(on DVD only: when in parallel, outer circumference)
In some cases, items 2,3 and 4 may not be shown on the
screen depending on the content of the loaded disc.
In some cases, items 2,3 and 4 may not be shown on the
screen depending on the content of the loaded disc.
8. Select the address where the error rate is to be measured
using number buttons on the remote control unit.
Fig. h will appear on the screen. In table (*2), the screen will
show for each 80ECC block, the number of errors corrected
on the 1st PO/PI/2nd PO and the number of uncorrected
errors.
Fig. h will appear on the screen. In table (*2), the screen will
show for each 80ECC block, the number of errors corrected
on the 1st PO/PI/2nd PO and the number of uncorrected
errors.
DISC:DVD / DUAL LAYER / OPPOSITE
STATUS: * * * * * * * *
ERROR RATE SELECT NO.[4]
1. L-0/030000 HEX
2. L-0/220000 HEX
3. L-1/FC0000 HEX
4. L-1/E00000 HEX
NOW MEASURE:******H - ******H
STATUS: * * * * * * * *
ERROR RATE SELECT NO.[4]
1. L-0/030000 HEX
2. L-0/220000 HEX
3. L-1/FC0000 HEX
4. L-1/E00000 HEX
NOW MEASURE:******H - ******H
EXIT:
POWER
RETURN:
RETURN
correct
uncorrect
1 st
PO
2 nd
PO
PI
(*2)
(I) when loading DVD
DISC: AUDIO CD
STATUS: * * * * * * * *
ERROR RATE SELECT NO.[4]
1. 00:02
2. 60:00
STATUS: * * * * * * * *
ERROR RATE SELECT NO.[4]
1. 00:02
2. 60:00
NOW MEASURE: ** : ** ; ** - ** : ** : **
EXIT:
POWER
RETURN:
RETURN
correct
uncorrect
1 st
PO
2 nd
PO
PI
(*2)
(II) when loading CD/VCD
9. To finish measuring the error rate, remove the disc and turn
the power off.
Figure g Error Rate Mode Screen
Figure h Measuring Error Rate Mode Screen
Figure i LCD in Measuring Error Rate Mode (example)
DX-AT50H
– 20 –
WIRING DIAGRAM
P-ON+1.8V
1
1
P-ON+1.8V
2
2
EV+2.5V
4
4
P-ON+5V 5
5
5
P-ON+5V
6
6
GND
7
7
GND
8
8
GND
9
9
GND
10
10
GND
1
1
11
GND
12
12
GND
13
13
PWRCON
14
14
EV+3.3V
15
15
P-ON+3.3V
16
16
P-ON+3.3V
17
17
P-ON+3.3V
18
18
EV+9V
19
19
EV+9V
20
20
EV+5V
21
21
EV+5V
22
22
REMOTE1
23
23
FP-DIN
24
24
CN501
CN1001
NU
2
1
VIDEO-Y
3
2
GND
4
3
CN1
CN1
W1003
AC CO
EV+2.5V
3
3
25
25
26
26
NU
FP-CLK
W1001
(BE56C2F01011)
P-ON+12V
27
27
ST
A
TUS
28
28
29
29
30
30
FP-STB
FP-DOUT
DVD MAIN CBA UNIT
PICK UP UNIT
DVD MECHA
POWER SUPPLY CBA
VIDEO-Y
OUT
OUT
VIDEO-CB
OUT
OUT
VIDEO-CR
OUT
OUT
CN101
1
TS(+)
2
FS(+)
3
TS(-)
4
FS(-)
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
FS
TS
CN303
CN4401
CN4402
CN4403
SPINDLE
MOTOR
MOTOR
M
SLIDE
MOTOR
MOTOR
LOADING
MOTOR
MOTOR
M
M
TRAY
IN/OUT
IN/OUT
PU-IN
HFCS
CIRCUIT
CIRCUIT
PU-IN
1
GND
2
T
-IN
1
T
-OUT
3
GND
2
SL2(+)
1
SL1(+)
3
SL2(-)
4
SL1(-)
2
H(-)
1
HW(+)
3
HV(-)
4
HW(-)
2
HV(+)
5
HU(+)
7
H(+)
8
HU(-)
6
M-V
10
M-W
1
1
M-U
9
Click on the first or last page to see other DX-AT50H (serv.man21) service manuals if exist.