Basic Operations Of The Test Mode; Selecting The Test Mode - Sony HCD-C5 Service Manual

HCD-C5

4. BASIC OPERATIONS OF THE TEST MODE

All operations are performed using the . "R" , > "R" , ENTER/YES "R" and MENU/NO "R" .
The functions of these buttons are as follows.
Function name
. "R" , > "R" buttons
ENTER/YES "R" button
MENU/NO "R" button

5. SELECTING THE TEST MODE

There are 26 types of test modes as shown below. The groups can be switched by pressing the . "R" or > "R" button.
After selecting the group to be used, press the ENTER/YES "R" button. After setting a certain group, pressing the . "R" or
> "R" button switches modes shown below.
Refer to "Group" in the table for details can be selected.
All items used for servicing can be treated using group [Service]. So be carefully not to enter other groups by mistake.
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 MENU/NO "R" button immediately to exit the [Develop] group.
Display No.
AUTO CHECK C01 Automatic self-diagnosis
Err Display C02 Error history display, clear
TEMP ADJUST C03 Temperature compensation offset adjustment
LDPWR ADJUST C04 Laser power adjustment
Iop Write C05 Iop data writing
Iop NV Save C06 Writes current Iop value in read nonvolatile memory using microprocessor
EF MO ADJUST C07 Traverse (MO) adjustment
EF CD ADJUST C08 Traverse (CD) adjustment
FBIAS ADJUST C09 Focus bias adjustment
AG Set (MO) C10 Auto gain output level adjustment (MO)
AG Set (CD) C11 Auto gain output level adjustment (CD)
TEMP CHECK C12 Temperature compensation offset check
LDPWR CHECK C13 Laser power check
EF MO CHECK C14 Traverse (MO) check
EF CD CHECK C15 Traverse (CD) check
FBIAS CHECK C16 Focus bias check
ScurveCHECK C17 S-curve check
VERIFYMODE C18 Nonvolatile memory check
DETRK CHECK C19 Detrack check
0920 CHECK C25 Most circumference check
Iop Read C26 Iop data display
Iop Compare C27 Comparison with initial Iop value written in nonvolatile memory
ADJ CLEAR C28 Initialization of nonvolatile memory for adjustment values
INFORMATION C31 Display of microprocessor version, etc.
CPLAY1MODE C34 Continuous playback mode
CREC 1MODE C35 Continuous recording mode
• For details of each adjustment mode, refer to "5. Electrical Adjustments".
For details of "Err Display", refer to "Self-Diagnosis Function" on page 2.
• If a different mode has been selected by mistake, press the MENU/NO "R" button to release that mode.
• Modes with ( ) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set
accidentally, press the MENU/NO "R" button to release the mode immediately.
26
Function
Changes parameters and modes
Proceeds onto the next step. Finalizes input
Returns to previous step. Stops operations
Details
Group
Mark
Check Service