4 Parts Replacement
RJ-901C/RJ-900C
Maintenance Manual
4-22
4.3.4
Replacing Power Board Assembly
CAUTION
• When removing the power board assembly, remove the power cable and wait for at least
5 minutes before taking it out; this will discharge the residual electrical charge of the
electrolytic capacitor.
If you handle these boards before the capacitor charge is fully discharged, you may suffer
electric shock.
• To avoid electric shock, never touch the back of the power board.When handling the
power board, take the side of the board.
• To avoid a short circuit, do not place the power board assembly directly on conductive
objects.
NOTE
Before replacing the power board assembly, remove the following parts.
• Rear cover:
"4.2.7 Removing Media Guide R2" p.4-14
• Connector panel:
"4.3.1 Replacing Connector Panel, Network Interface Card (NIC),
Cooling Fan" p.4-16
• Board bracket:
"4.3.2 Removing Board Bracket" p.4-18
1. Remove the following connectors from the power board assembly.
2. Remove the power board assembly-retaining screw (cup screw M3
×
6 white: 9pcs).
Table 4-3 Connectors to Power Board Assembly
No. Connector No. # of pins Color
Connect to
Remarks
1
CN301
14
White Main board assembly
Содержание 7142
Страница 24: ...1 Safety Instructions RJ 901C RJ 900C Maintenance Manual 1 12...
Страница 34: ...2 Product Overview RJ 901C RJ 900C Maintenance Manual 2 10...
Страница 50: ...4 Parts Replacement RJ 901C RJ 900C Maintenance Manual 4 4 Rear Upper Lower Right Front Left...
Страница 118: ...4 Parts Replacement RJ 901C RJ 900C Maintenance Manual 4 72...
Страница 121: ...RJ 901C RJ 900C Maintenance Manual 5 Self Diagnosis Mode 5 3 5 9 9 Media Feed Menu 5 69...
Страница 188: ...5 Self Diagnosis Mode RJ 901C RJ 900C Maintenance Manual 5 70...
Страница 198: ...6 Maintenance Mode2 RJ 901C RJ 900C Maintenance Manual 6 10...
Страница 236: ...7 Adjustment RJ 901C RJ 900C Maintenance Manual 7 38...
Страница 244: ...8 Maintenance RJ 901C RJ 900C Maintenance Manual 8 8...
Страница 340: ......
Страница 341: ......