Recommended Replacement Parts - Sony PWS-4400 (SY) Service Manual

1-8.

Recommended Replacement Parts

This table does not describe the guarantee period of part.
The replacement period of each part is changed according to the environment and condition. Refer to
of Main Parts" about the method of the replacing parts.
Part Name Part No.
Power assembly
DC fan
Front fan assembly A-1827-541-A
Rear fan assembly A-1827-542-A
DC fan (45 squares)
DC fan (50 squares)
Tip
To check the total power-on hours, refer to
PWS-4400
Replacement Cycle
Total power-on hours 40,000 h
A-1827-537-A
Total power-on hours 40,000 h
1-763-423-21
Total power-on hours 40,000 h
Total power-on hours 40,000 h
Total power-on hours 30,000 h
1-787-701-12
Total power-on hours 30,000 h
1-855-344-11
"Hours Meter".
"4. Replacement
Procedure
"4-4. Power Assembly/DC Fan"
"4-5-5. Slot Fan"
"4-5-1. Front Fan Assembly"
"4-5-3. Rear Fan Assembly"
"4-5-7. DM Fan"
"4-5-6. DIO Fan"
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