Kenwood DV-303 Service Manual page 18

DV-303/DVF-5020/K5020
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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.
Player Remote control
buttons
PAUSE
+
OPEN/CLOSE
ON SCREEN
PAUSE
4
OPEN/CLOSE
TE
L 13942296513
2-2 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
"OPEN/CLOSE"
button on the player.
2-3 Self-Diagnosis Display Function
www
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CIRCUIT DESCRIPTION
unit buttons
0 Displaying the UHF display F_ _ _
5 Tilt adjustment
6 Checking the region numbers and broadcast system
7 Checking the program version
9 Lighting Confirmation Fanction of Display Tube
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 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
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Application
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Diagnosis
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Note
Refer to spage18/2-2 Self-
Diagnosis Function (UHF
Display).
Refer to
Optical Pickup Tilt
Adjustment.
Check the IC6302
FLASH ROM program.
Refer to page17/1.
Optical Pickup
Self-Diagnosis and
Replacement Procedure.
Refer to page20/4-1
Initializing the DVD Player
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
IC1021, IC1121, IC1151, IC6001
If this type of error occurs, refer to
page19/2-4 Examples of Repairs Using
Error Codes.
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9 9
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