Sony MDS-PC3 specifications Retry Cause Display Mode, Bit Binary

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RETRY CAUSE DISPLAY MODE

In this test mode, the causes for retry of the unit during recording can be displayed on the indication vessel. During playback, the “track mode” for obtaining track information will be set.

This is useful for locating the faulty part of the unit.

The following will be displayed :

During recording and stop : Retry cause, number of retries, and number of retry errors.

During playback : Information such as type of disc played, part played, copyright.

These are displayed in hexadecimal.

Procedure:

1.Press the @/1 button, x/Z button and u button continuously for about 10 seconds.

2.Rotate the AMS knob to display “Debug Disp”, Then press the AMS button.

3.When the mode is set, “RTs 00c 00e 00” is displayed.

4.Press the z button to start recording. Then press the X button and start recording.

5.To check the “track mode”, press the H button to start play.

6.To exit the test mode, press the @/1 button, and turn OFF the power. If the test mode cannot be exited, refer to “Forced Reset” on page 8.

Fig. 1 Reading the Test Mode Display (During recording and stop)

RTs@@c##c**

Indication vessel display

@@: Cause of retry ## : Number of retries

** : Number of retry errors

Reading the Retry Cause Display

Fig. 2 Reading the Test Mode Display (During playback)

@@###**$$ Indication vessel display

@@ : Parts No. (name of area named on TOC)

###

: Cluster

**

: Sector } Address (Physical address on disc)

$$

: Track mode (Track information such as copyright infor-

 

mation of each part)

 

Higher Bits

Lower Bits

Hexa-

 

 

 

 

 

 

 

 

 

 

 

Cause of Retry

Occurring conditions

Hexadecimal

8

4

2

1

8

4

2

1

decimal

 

 

 

 

 

 

 

 

 

 

 

Bit

b7

b6

b5

b4

b3

b2

b1

b0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Binary

0

0

0

0

0

0

0

1

01

shock

When track jump (shock) is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

0

0

1

0

02

ader5

When ADER was counted more than five times continu-

 

ously

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

0

1

0

0

04

Discontinuous address

When ADIP address is not continuous

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

1

0

0

0

08

DIN unlock

When DIN unlock is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

1

0

0

0

0

10

FCS incorrect

When not in focus

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

1

0

0

0

0

0

20

IVR rec error

When ABCD signal level exceeds the specified range

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

0

0

0

0

0

0

40

CLV unlock

When CLV is unlocked

 

 

 

 

 

 

 

 

 

 

 

 

 

1

0

0

0

0

0

0

0

80

Access fault

When access operation is not performed normally

 

 

 

 

 

 

 

 

 

 

 

 

Reading the Display:

Convert the hexadecimal display into binary display. If more than two causes, they will be added.

Example

When 42 is displayed:

Higher bit : 4 = 0100 t b6

Lower bit : 2 = 0010 t b1

In this case, the retry cause is combined of “CLV unlock” and “ader5”.

When A2 is displayed:

Higher bit : A = 1010 t b7+b5

Lower bit : 2 = 0010 t b1

The retry cause in this case is combined of “Access fault”, “IVR rec error”, and “ader5”.

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Contents MDS-PC3 SpecificationsTOC t Edit t TOC Edit t blank t SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Disassembly Table of ContentsDiagrams Table of Error CodesSection Service Notes Flexible Circuit Board RepairingLead free soldering JIG for Checking BD Board Waveform Record Precedure Checks Prior to Parts Replacement and Adjustments Forced ResetMain Board Component Side Bit Binary Retry Cause Display ModeHexadecimal t Binary Conversion Table General Section Remote Parts DescriptionUsing the Display Hooking Up MD Mechanism Deck MDM-7A Section DisassemblyOver Light Head HR901, BD MD Board Main BoardLoading Motor Assy M103 Holder AssyOptical PICK-UP MD KMS-260B/JIN Sled Motor Assy M102, SliderSpindle Motor Assy M101 Precautions for USE of Test Mode Section Test ModeSetting the Test Mode Exiting the Test ModeDisplay Details Mark Group Selecting the Test ModeOperating the Continuous Playback Mode Mode display Test Mode DisplaysError rate display Functions of Other ButtonsMeanings of Other Displays Automatic SELF-DIAGNOSIS FunctionInformation Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Adjustment flow Precautions for Checking Laser Diode Emission Precautions for USE of Optical PICK- UP KMS-260BPrecautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckCD Error Rate Check Play Check MO Error Rate CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Iop NV Save Traverse AdjustmentFocus Bias Adjustment Auto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Diagrams MDS-PC3 Block Diagrams BD SectionSclk Cclk Main SectionSemiconductor Printed Wiring Board BD SectionPIN Function MDS-PC3 Printed Wiring Board Main Section PIN Functon MDS-PC3 Printed Wiring Board Panel Section Schematic Diagram Panel Section See page 35 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsLB1830M-S-TE-L Main Board BH3541F-E2 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsMNT0 FOK Mvci IC300 M30805SGP Main Board Shck MNT1 Chassis Section Section Exploded Views319 302 320 317 304 308 303 305 306 301 318 307 Mechanism MDM-7A351 MechanismRemarks Ref. No Description Section Electrical Parts ListMetal Chip Main PIN, Connector 2P Diode Main Panel KEY REFLECT/PROTECT SW MDS-PC3 Panel