Self-Diagnosis Function And Service Mode - Yamaha DVD-S795 Service Manual

SELF-DIAGNOSIS FUNCTION AND SERVICE MODES
1. Service Mode Table
The service mode can be activated by pressing various button combinations on the player and remote control unit.
Player buttons Remote control unit button
0
5
6
PAUSE
7
9
OPEN/CLOSE
DISPLAY
STILL/PAUSE
STILL/PAUSE
SKIP/SEARCH<<
OPEN/CLOSE
2. Self-Diagnosis Function (UHF Display)
This unit incorporates a convenient self-diagnosis function for use in troubleshooting.
Display method
Service numbers displayed
during use.
Press the "0" button on the
remote control unit while pressing
the "STILL/PAUSE" and
"OPEN/CLOSE" button on the
player.
Displaying the UHF display F_ _ _
Writing the laser drive current value after replacing
the optical pickup (do not use for anything other than
optical pickup replacement)
Initializing the DVD player
(restoring factory preset settings)
Use when replaceing a microprocessor, microprocessor
peripheral parts, or C. B. A.
Display
U11 Focus error
H01 Tray loading error
H02 Spindle servo error
H03 Traverse error
H04 Tracking servo error
H05 Seek error
H06 Power supply error
F0** Disc format error
F1** Disc code error
F2** Decoder LSI error
F3** SDRAM error
F4** IIC BUS error
F5** DSC
F6** ECC error
F7** Microprocessor error
F8** Microprocessor error
1 - 7
Refer to Self-Diagnosis Function
(UHF Display),in page 1-7.
Refer to Optical Pickup Tilt
Adjustment, in page 2-13.
Check the IC6302
FLASH ROM program.
Refer to Optical Pickup Self-
Diagnosis and Replacement,
in page 1-6.
Procedure.
Refer to Initializing the DVD
Player, in page 1-9.
Diagnosis
IC2001,IC2511,IC5201,pickup
IC2001,IC2511 loading motor
Spindle motor, IC2501,IC2001
Stepping motor,IC2511,IC2001
IC2001,IC2501,IC5201,pickup,disc
Stepping motor,IC2511,IC2001
IC1021,IC1121,IC1151,IC6001
If this type of error occurs,refer to
Examples of Repairs Using Error
Codes, in page 1-8.
Checkpoints