Kenwood DVF-3030, Руководство по обслуживанию

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1. Optical Pickup Self-Diagnosis and Replacement Procedure
The optical pickup self-diagnosis function and tilt adjustment check function have been newly added to this player. When
repairing, use the following procedure for effective Self-diagnosis and tilt adjustment.
Be sure to use the self-diagnosis function before replacing the optical pickup when "NO DISC" is displayed. As a guideline, you
should replace the optical pickup when the value of the laser drive current is more than 55.
Note
Press the power button to turn on the power, and check the value before the unit warms up (within three minutes).
9/2-13
5
button on the
5
5
Press the button on the remote control
unit while pressing the "PAUSE" and
"OPEN/CLOSE"
page 17/4-2, Handling
Player Remote control
Application Note
buttons unit buttons
0 Displaying the UHF display F_ _ _
Jitter check,Tilt adjustment
*Jitter value is three digit.
Three digit of right number XXX is not related to jitter
value.
XXX.....Occurence number of internal read error which is
inclement every time error happens. But this is
not always reflected to picture/sound noise.
Refer to page16/2-2 Self-
Diagnosis Function (UHF
Display).
5 Refer to page 9/2-13
Optical Pickup Tilt
Adjustment.
PAUSE 6 Checking the region numbers and broadcast system
+ 7 Checking the program version Check the IC6302
OPEN/CLOSE FLASH ROM program.
9 Lighting Confirmation Fanction of Display Tube
5
Checking the laser drive current Refer to page16/1
Optical Pickup
Self-Diagnosis and
Replacement Procedure.
PAUSE Writing the laser drive current value after replacing Procedure
the optical pickup (do not use for anything other than
optical pickup replacement)
PAUSE Initializing the DVD player Refer to page17/4-1
4
(restoring factory preset settings) Initializing the DVD Player
OPEN/CLOSE *Use when replaceing a microprocessor, microprocessor
peripheral parts, or C.B.A.
2. Self-Diagnosis Function and Service Modes
2-1 Service Mode Table
The service modes can be activated by pressing various button combinations on the player and remote control unit.
2-2 Self-Diagnosis Function (UHF Display)
This unit incorporates a convenient self-diagnosis function for use in troubleshooting.
2-3 Self-Diagnosis Display Function
Display method Display Diagnosis Checkpoints
Service numbers Check the disc Focus error IC2001,IC2511,IC5201,pickup
displayed H01 Tray loading error IC2001, IC2511, loading motor
during use H02 Spindle servo error Spindle motor, IC2501, IC2001
H03 Traverse error Stepping motor, IC2511, IC2001
H04 Tracking servo error IC2001, IC2501, IC5201, pickup, disc
H05 Seek error Stepping motor, IC2511, IC2001
H06 Power supply error IC1021, IC1121, IC1151, IC6001
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
Press the "0" button
on the remote control
unit while pressing
the "PAUSE" and
"OPEN/CLOSE"
button on the player.
If this type of error occurs, refer to
page17/2-4 Examples of Repairs Using
Error Codes.
Check the disc
JIT
✽ ✽ ✽
XXX
JITTER VALUE
CIRCUIT DESCRIPTION
DVF-3030
16
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