Chattanooga SENIOR SOLUTIONS, Service Manual

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67
Senior Solutions™ Therapy System
6 REMOVAL/REPLACEMENT
6.11 THERAPY SYSTEM POWER SUPPLIES
NOTE:
The Senior Solutions Therapy System incorporates
two different Power Supply configurations:
Combination Therapy System- Two Power
Supplies, one 75 Watt for Ultrasound Power and
one 100 Watt to power the rest of the system.
Electrotherapy System- One 100 Watt Power
Supply.
A. Tools and Equipment Required
#1 Phillips Screwdriver
Insulated Needle Nose Pliers
Flat Blade Screwdriver
Digital Multimeter
B. Power Supply Removal
Separate Top from Bottom. Refer to 6.4,
part B.
Remove Connector Board. Refer to 6.8
part B.
Remove Ultrasound Board on Combination
Systems.
Refer to 6.9, part B.
Remove Stim Board. Refer to 6.10, part B.
Using the # 1 Phillips Screwdriver, remove
the two screws securing the Power Supply
Assembly to the System Housing.
See
Figure 6.39.
Lift Power Supply Assembly up to remove
from rear mounting tabs.
See Figure 6.40.
Using the Digital Multimeter, discharge the
Power Supplies as follows:
a) 100 Watt Power Supply- Discharge
Capacitor C4. See Figure 6.41.
b) 75 Watt Power Supply (Combo Systems
Only)- Discharge Capacitor on back of
Power Supply PC Board. Pins are on
either side of “R8A” on PC Board.
See
Figure 6.41.
1.
2.
3.
4.
1.
2.
3.
4.
5.
6.
7.
REMOVE
SCREWS
REAR
MOUNTING
TABS
POWER SUPPLY
ASSEMBLY
BRACKETS
100 WATT
POWER SUPPLY
75 WATT
POWER SUPPLY
COMBINATION SYSTEMS ONLY
FIGURE 6.39
FIGURE 6.40
FIGURE 6.41
DISCONNECT THE SYSTEM FROM THE POWER
SOURCE (OUTLET OR REMOVE BATTERY MODULE IF
INSTALLED) BEFORE ATTEMPTING ANY MAINTENANCE,
INSTALLATION, REMOVAL, OR REPLACEMENT
PROCEDURES TO PREVENT ELECTRICAL SHOCK AND
POSSIBLE DAMAGE TO SYSTEM.
POWER SUPPLIES RETAIN HIGH VOLTAGE!
WHEN REMOVING FROM SYSTEM, HANDLE
POWER SUPPLIES BY MOUNTING BRACKETS
ONLY.