Sharp DX-AT50H (serv.man9) Service Manual / Specification ▷ View online
– 15 –
DX-AT50H
TEST MODE
Test Mode Initial Display (Fig.T-1)
Displaying F/E Ver.
Displaying B/E Ver.
Displaying AV Decoder Ver.
Displaying DSP Ver.
Displaying LCD "B/E Ver."
< Press 1 button on the remote control unit. >
< Press 1 button on the remote control unit. >
< Press 2 button on the remote control unit. >
< Press 3 button on the remote control unit. >
< Press RETURN button on
the remote control unit. >
< Press RETURN button on
the remote control unit. >
Returning to Test Mode Initial Display
Returning to Test Mode Initial Display
All LCD ON/OFF
Menu Display (Fig. T-2)
Cearing FLASH MEMORY (Fig. T-3)
All LCD ON
All LCD OFF
Displaying LCD "TEST1"
Displaying LCD "TEST3"
Test Mode
A power source is put, and [1], [2], [3], [4], and [ON SCREEN] buttons on the remote control unit
are pushed in that order while the tray is opening or after the “NO DISC” display at the same
time.
are pushed in that order while the tray is opening or after the “NO DISC” display at the same
time.
ROM Renewal Mode
A power source is put, and [9], [8], [7], [6], and [DIRECT SKIP] buttons on the remote control unit
are pushed in that order while the tray is opening or after the “NO DISC” display at the same
time.
are pushed in that order while the tray is opening or after the “NO DISC” display at the same
time.
[TEST MODE]
Test Mode Flow Chart
DX-AT50H
– 16 –
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
AVD
.
E56 D FE
.
BE
.
AVD
.
E56 D FE
.
BE
.
AVD
.
E56 D FE
.
BE
.
AUD_VER:
AUD_IDE:
REGION
DEN_CID:
FEI_REV:
VIE_REV:
EXIT:
POWER
RETURN:
EXIT:
RETURN
POWER
TEST1 - VFD
1. ON
2. OFF
1. ON
2. OFF
VFD STATUS [ --- ]
RETURN:
EXIT:
RETURN
POWER
TEST3 - FLASH MEMORY CLEAR
FLASH MEMORY CLEAR : OK
Fig. T-1: Test Mode Initial Display
Fig. T-2: All LCD ON/OFF Menu Display
Fig. T-3: Clearing FLASH MEMORY Display
– 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
Display
