46
New Brunswick Scientific
User’s Guide
9.8
Control Board Replacement
WARNING!
Do not attempt to change boards or electronic components unless you are a
qualified Service Engineer.
Integrated Circuits are extremely sensitive and susceptible to damage from
electrostatic discharge. Read and follow the following ESD Precautions
before replacing any boards.
9.8.1 ESD
Precautions
•
Do not remove components from their antistatic packaging until you are ready
to insert into sockets or install boards.
•
Before handling components or boards, touch an unpainted portion of the
system unit chassis for a few seconds.
•
Wear a grounding wrist strap while working on components. The wrist strap
must
be connected to a grounded work station. Wrist straps are available at
most electronic component stores.
9.8.2
Replacing the Temperature Control Board
To replace the
TEMPERATURE CONTROL BOARD
:
1. Set
the
ON/OFF POWER
Switch to
OFF
.
2. Disconnect
the
POWER
CORD
from the electrical outlet.
3. Before you can gain access to the front panel, open the door of the shaker. The
door must be open all the way.
4. Use a Phillips (+) head screwdriver to unscrew the three screws that attach the
hinged front panel to the housing. Gently lay down the front panel.
Summary of Contents for innOva 4200
Page 2: ...2 New Brunswick Scientific User s Guide...
Page 57: ...57 Innova 4200 M1233 0053 User s Guide Figure 21 Electrical Schematic Quadrant A...
Page 58: ...58 New Brunswick Scientific User s Guide Figure 22 Electrical Schematic Quadrant B...
Page 59: ...59 Innova 4200 M1233 0053 User s Guide Figure 23 Electrical Schematic Quadrant C...
Page 60: ...60 New Brunswick Scientific User s Guide Figure 24 Electrical Schematic Quadrant D...
Page 66: ...66 New Brunswick Scientific User s Guide Figure 30 100V Power Schematic Overview...
Page 67: ...67 Innova 4200 M1233 0053 User s Guide Figure 31 100V Power Schematic Quadrant A...
Page 68: ...68 New Brunswick Scientific User s Guide Figure 32 100V Power Schematic Quadrant B...
Page 69: ...69 Innova 4200 M1233 0053 User s Guide Figure 33 100V Power Schematic Quadrant C...
Page 70: ...70 New Brunswick Scientific User s Guide Figure 34 100V Power Schematic Quadrant D...
