Sony PDW-U4 Service Manual page 38

Main Sub ERROR/ALARM indicator
Code Code
Lighting Switching off
interval condition
02 1A5 0.25 seconds Power
1A7 0.25 seconds Power
1A8 0.25 seconds Disc/Power
820 0.25 seconds Disc/Power
8A0 0.25 seconds Disc/Power
Description Error remedy method
Optical block assembly 1. Eject the cartridge.
1Bch detected a laser 2. Check laser parameter 1 of hours meter.
output error. When laser parameter 1 of hours meter has:
• not reached the end of replacement cycle:
Laser drive overcurrent
There is something wrong with the optical or electrical system in
was detected in optical
optical block assembly (OP-1).
block assembly 1Bch.
• 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).
Optical block assembly 1. Eject the cartridge.
1Bch determines that 2. Startup the maintenance menu and display [CHECK] > [LOADER].
there is no cartridge, and 3. Insert the cartridge and check [DOWN SENSOR] and [SENSOR
then the laser output is HOLE].
stopped. • when [DOWN SENSOR] is set to [DOWN] and [SENSOR HOLE]
displays "4":
The problem is fixed. Use the unit as it is.
• when [DOWN SENSOR] is set to other than [DOWN] and [SENSOR
HOLE] does not display "4":
There is a possibility that a detection sensor is damaged.
Go to step 4 in the error remedy method.
4. Check the corresponding detection sensors, and then replace the
SE-1004A board or the SE-1005A board.
Data was played with the 1. Eject the cartridge.
maximum laser output in 2. Check laser parameter 0 of hours meter.
optical block assembly When laser parameter 0 of hours meter has:
0Ach. • not reached the end of replacement cycle:
There is something wrong with the optical or electrical system in
optical block assembly (OP-0).
Data was played with the
• reached the end of replacement cycle:
maximum laser output in
It is likely laser in optical block assembly (OP-0) reached to the end of
optical block assembly
its life cycle.
0Bch.
3. Replace optical block assembly (OP-0).
Refer to section
"2-1-1. Digital Hours Meter"
"2-1-2. Periodic Inspection and
Replacement Parts List"
"4-5. Optical Block Assembly"
"6-4-4. LOADER"
"1-6. Location of Sensors and
Their Functions"
"2-1-1. Digital Hours Meter"
"2-1-2. Periodic Inspection and
Replacement Parts List"
"4-5. Optical Block Assembly"
Continued
35