Kenwood DVF-5020, Руководство по обслуживанию

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DVF-5020
18
CIRCUIT DESCRIPTION
Player Remote control
Application Note
buttons unit buttons
0 Displaying the UHF display F_ _ _ Refer to page19/2-2 Self-
Diagnosis Function (UHF
Display).
5 Jitter check, Tilt adjustment Refer to page10/2-14
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
ON SCREEN Checking the laser drive current Refer to page18/1.
Optical Pickup
Self-Diagnosis and
Replacement Procedure.
PAUSE Writing the laser drive current value after replacing
the optical pickup (do not use for anything other than
optical pickup replacement)
PAUSE Initializing the DVD player Refer to page21/4-1
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 U11 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
page20/2-4 Examples of Repairs Using
Error Codes.
1P 99.11.1 3:19 PM y [ W 2