Power Section; Dc Main Power Pwb; Ac Power Pwb - Sharp AR-M550N Service Manual

: Feb. 6 2004
1

11. Power section

A. Maintenance and parts replacement
(1) Maintenance and parts replacement
(Replacement parts)
No. Unit
a
a-6
a-7
a-5
a-1. AC power PWB
1) Remove the rear cabinet.
1
2) Disconnect the connector, and remove the AC power PWB.
Parts
1

AC power PWB

2

DC main power PWB

3 Power cooling fan motor 1
4 Power cooling fan motor 2
5 Dehumidifier heater relay PWB
6 DC sub power PWB
7 High voltage PWB (MC/DV/TC)
a-2
a-1
a-3
a-4
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 151
a-2. DC main power PWB
(Method 1)
1
1) Remove the rear cabinet. (See "a-1. AC power PWB" in this sec-
tion)
2) Disconnect the connector and remove the harness clamp. Remove
1
the AC power PWB unit.
3) Disconnect the connector and remove the DC main power PWB.
1
(Method 2)
1
1) Remove the rear cabinet. (See "a-1. AC power PWB" in this sec-
tion)
2) Disconnect the connector.