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Display
AUTO CHECK
Err Display
TEMP ADJUS
LDPWR ADJUS
Iop Write
Iop NV Save
EF MO ADJUS
EF CD ADJUS
FBIAS ADJUS
AG Set (MO)
AG Set (CD)
TEMP CHECK
LDPWR CHECK
EF MO CHECK
EF CD CHECK
FBIAS CHECK
ScurveCHECK
VERIFYMODE
DETRK CHECK
0920 CHECK
Iop Read
Iop Compare
ADJ CLEAR
INFORMATION
CPLAY1MODE
CREC 1MODE
Details
Automatic self-diagnosis
Error history display, clear
Temperature compensation offset adjustment
Laser power adjustment
Iop data writing
Writes current Iop value in read nonvolatile memory using microprocessor
Traverse (MO) adjustment
Traverse (CD) adjustment
Focus bias adjustment
Focus, tracking gain adjustment (MO)
Focus, tracking gain adjustment (CD)
Temperature compensation offset check
Laser power check
Traverse (MO) check
Traverse (CD) check
Focus bias check
S-curve check
Nonvolatile memory check
Detrack check
Most circumference check
Iop data display
Comparison with initial Iop value written in nonvolatile memory
Initialization of nonvolatile memory for adjustment values
Display of microprocessor version, etc.
Continuous playback mode
Continuous recording mode
4-5. SELECTING THE TEST MODE
There are 26 types of test modes as shown below. The groups can be switched by moving the multi-stick. After selecting the group to be used,
press the PUSH ENTER button. After setting a certain group, move the multi-stick to switche between these modes.
Refer to “Group” in the table for details selected.
All adjustments and checks during servicing can be performed in the test mode in the Service group.
• For details of each adjustment mode, refer to “6. Electrical Adjustments”.
For details of “Err Display”, refer to “Self-Diagnosis Function” on page 3.
• If a different mode has been selected by mistake, press the CLEAR button while REC IT is lit, to exit that mode.
• Modes with (
X
) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set acciden-
tally, press the CLEAR button while REC IT is lit, to exit the mode immediately.
No.
C01
C02
C03
C04
C05
C06
C07
C08
C09
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C25
C26
C27
C28
C31
C34
C35
Mark
Group
Check
Service
NOTE: Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the CLEAR button while REC IT is lit, immediately to exit the [Develop] group.
Summary of Contents for HCD-ZX50MD
Page 9: ...9 BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Page 66: ...HCD ZX50MD 66 66 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION See page 65 for Printed WIring Board ...
Page 67: ...HCD ZX50MD 67 67 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 65 for Printed WIring Board ...
Page 75: ...HCD ZX50MD 75 75 7 20 SCHEMATIC DIAGRAM AMP US AEP UK G AED CIS model SECTION ...
Page 77: ...HCD ZX50MD 77 77 7 22 SCHEMATIC DIAGRAM AMP E MX AR HK MY SP KR AUS model SECTION ...
Page 81: ...HCD ZX50MD 81 81 7 26 SCHEMATIC DIAGRAM SWITCH SECTION ...
Page 83: ...HCD ZX50MD 83 83 7 28 SCHEMATIC DIAGRAM CD MECHANISM SECTION 09 Page 68 Page 68 R S ...
Page 116: ...116 MEMO ...