Read Sharp DV-700 (serv.man9) Service Manual online
DV-700S
DV-760S/H
DV-760S/H
9. TEST MODE
Memory Test Mode
Program version indicaiton.
Video Test Mode
Ordinary test pattern indication, and copy guard signal added test
pattern indication are given.
Mecha Test Mode
Servo system initialization, tray opening and closing, laser, servo,
continuous playback, jump test are performed.
Servo adjustment
Servo version indication, VC/FE/TE/RF AVRG, TRVSC, RF
value read mode
LEVEL, FO BIAS, FO GAIN, TR GAIN indication are given.
9-1.
EXPLANATION OF OPERATION AT THE SYSTEM START
9-1
Test Mode Operation
SystemOpe( )
DVDOpe( )
Systest( )
DVD Disc detection
CD Disc
detection
No Disc and
Test 0 (F0h) key
Eject or
error
Eject or
error
Power
Off
Power
Off
Memory Test
Model number
Program version
Region code
microcode version
Dynamic
Test
Tray Open/Close
Sled Move
DVD Servo
CD Servo
Video Test
Initial Screen
Test Pattern
'1' Key
'2' Key
'3' Key
FlashOpe( )
Reset
Start
Flash rewriting key
Static Test
Test0
(F0h)
key
Branching with
ten keys
Test0
Key
Test0
Key
Test0
(F0h)
key
OSD
Adjustment
value display
OSD
Adjustment
value display
Initial resetting
CDOpe( )
Note: For test mode input,
"F0h" = PLAY + Stop
The keys of main body are doubly pressed.
Systest( )
(0xF100)
Dinamic
Test
Video
Test
'1' Key
'2' Key
'3' Key
Transition of test mode status
(1)
Memory Test
Last Update display
ErrDisplay0 ErrDisplay1
10000000 ********
(last update)
(last update)
Play Key
System( )
Test0 Key
SystemMode
=
0xF100-0xF1FF
Memory Test
Model number
Program version
Region code
microcode version
Model Number display
(Model Number)
Play Key
Region code display
(Region code)
Play Key
Microcode version
display
(Microcode. Ver)
Play Key
Program Version display
(Program version)
Play Key
Servo version display
(Servo. Ver)
Play Key
ErrDisplay0 ErrDisplay1
10000001 ********
ErrDisplay0 ErrDisplay1
10000002 ********
ErrDisplay0 ErrDisplay1
10000004 ********
ErrDisplay0 ErrDisplay1
10000005 ********
ErrDisplay0 ErrDisplay1
10000003 ********
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