Self-Diagnosis Function And Service Modes - Yamaha DVD-C996 Service Manual

QQ
3 7 63 1515 0

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
PAUSE
PLAYXCHANGE
PAUSE
SKIP
PLAYXCHANGE
TE
L 13942296513
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 "PAUSE" and
"PLAYXCHANGE" button on
the player.
www
.
http://www.xiaoyu163.com
Remote control unit button
0 Displaying the UHF display F_ _ _
5 Tilt adjustment and jitter check
6
Checking the region numbers and broadcast system
7 Checking the program version
9
Lighting Confirmation Function of Display Tube
ON SCREEN
Checking the laser drive current
PAUSE 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 replacing a microprocessor, microprocessor
peripheral parts, or P.C.B.
Display
U11
H01
H02
H03
H04
H05
H06
F0**
F1**
F2**
F3**
F4**
F5**
F6**
F7**
F8**
x ao
y
i
http://www.xiaoyu163.com
8
Application
Q Q
3 6 7 1 3
Diagnosis
Focus error
Tray loading error
Spindle servo error
Traverse error
Tracking servo error
Seek error
Power supply error
Disc format error
Disc code error
Decoder LSI error
SDRAM error
IIC BUS error
DSC
ECC error
Microprocessor error
Microprocessor error
u163
.
DVD-C996/DV-C6280
2 9 9 4 2 8
Refer to Self-Diagnosis Function
(UHF Display),in page 10.
Refer to Optical Pickup Tilt
Adjustment, in page 23.
Check the IC6302
FLASH ROM program.
Refer to Optical Pickup Self-
Diagnosis and Replacement,
in page 9.
Procedure.
Refer to Initializing the DVD
Player, in page 11.
1 5 0 5 8 2 9 9 4
Checkpoints
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
IC202 –205,IC207,IC209,IC351
If this type of error occurs,refer to
Examples of Repairs Using Error
Codes, in page 11.
m
co
9 9
Note
2 8 9 9
10