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1-21
GY-2120WD/WS
1-7. Power Block
1-7-2. Switching Regulator Fuse
Replacement
1.
Remove the switching regulator from the main unit.
(Refer to the “Switching Regulator Replacement” in
Section 1-7-1.)
2.
Remove the four screws (PS2.6
x
5), then remove the
power cover.
3.
Replace a fuse.
4.
Install the switching regulator in the reverse order of
removal.
1-7-3. Fuse Replacement on IF-682/683
Board
1.
Remove the IF-682/683 board from the main unit.
(Refer to the “MA-83 Board Replacement” in section
1-8-1.)
2.
Replace a fuse on the IF-682/683 board.
3.
Install the IF-682/683 board in the main unit in the
reverse order of removal.
1-7-4. How to Reset the Circuit Breaker
When the breaker which connected to the power supply
block is operated and the button is ejected, remove the
cause of the problem and push the button.
Rear panel
PS2.6
x
5
PS2.6
x
5
Fuse
Power cover
A
B
C
D
IF-682/683 BOARD (A SIDE)
S201
S202
CN103
JP102
JP103
JP101
F101
RS232C
SCSI
OPTION
TERM POWER
SCSI
BREAKER
ID
1
2
3
4 5 6
7
8
9
0
SET UP
AC IN
Breaker
REVISION
FW
HW
Summary of Contents for GY-2120WD
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Page 437: ...7 3 GY 2120WD WS Index Mechanical Deck Overall Block 6 7 9 8 2 1 3 4 5 ...
Page 469: ...8 1 GY 2120WD WS 8 1 Section 8 Block Diagrams Frame Wiring ...
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