Sony PDW-U4, Service Manual

Page: 36 / 156

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Continued
Main
Code
Sub
Code
ERROR/ALARM indicator Description Error remedy method Refer to section
Lighting
interval
Switching off
condition
02 120 1 second Disc/Power Optical block assembly
1Ach is recording data
with the maximum laser
output.
1. Eject the cartridge.
2. Check laser parameter 1 of hours meter.
When laser parameter 1 of hours meter has:
• not reached the end of replacement cycle:
Go to step 3 in the error remedy method.
• reached the end of replacement cycle:
It is likely laser in optical block assembly (OP-1) reached to the end of
its life cycle.
Replace optical block assembly (OP-1).
3. Startup the maintenance menu and perform [CHECK] > [LENS
CLEANING].
After [LENS CLEANING] is performed:
，
• when the symptom is improved,
The problem is fixed. Use the unit as it is.
• when the same symptom keeps occurring:
There is something wrong with the optical or electrical system in
optical block assembly (OP-1).
Replace optical block assembly (OP-1).
“2-1-1. Digital Hours Meter”
“2-1-2. Periodic Inspection and
Replacement Parts List”
“6-4-9. LENS CLEANING”
“4-5. Optical Block Assembly”
125 0.25 seconds Power Optical block assembly
1Ach detected a laser
output error.
1. Eject the cartridge.
2. Check laser parameter 1 of hours meter.
When laser parameter 1 of hours meter has:
• not reached the end of replacement cycle:
There is something wrong with the optical or electrical system in
optical block assembly (OP-1).
• reached the end of replacement cycle:
It is likely laser in optical block assembly (OP-1) reached to the end of
its life cycle.
3. Replace optical block assembly (OP-1).
“2-1-1. Digital Hours Meter”
“2-1-2. Periodic Inspection and
Replacement Parts List”
“4-5. Optical Block Assembly”
127 0.25 seconds Power Laser drive overcurrent
was detected in optical
block assembly 1Ach.