Medi-Therm® III SERVICE MANUAL
NOTES:
1. REFERENCE: THIS DRAWING CORRELATES TO DRAWING (E) 11040 REV A
2. ' *' NOT APPLICABLE TO MTA6901 UNIT.
3. CAUTION: THIS PRODUCT IS SUSCEPTIBLE TO DAMAGE FROM ELECTROSTATIC
DISCHARGE. ASSEMBLING, HANDLING AND PACKAGING OF THIS ASSEMBLY SHALL
BE ACCOMPLISHED ONLY WITH ADEQUATE GROUNDING PROVISIONS TO PREVENT
ELECTROSTATIC DISCHARGE DAMAGE.
Figure 18—System wiring diagram
81
Medi-Therm® III SERVICE MANUAL
P8
POWER
INLET
NOTES:
1. ALL RESISTANCES ARE IN OHMS.
2. ALL RESISTORS ARE 1/4 W AND 5% TOLERANCE UNLESS NOTED.
3. ALL CAPACITORS ARE IN MICROFARADS UNLESS NOTED.
4. DENOTES DIGITAL GROUND.
5. DENOTES ANALOG GROUND.
6. DENOTES CHASSIS GROUND.
7. REFERENCE: THIS DRAWING CORRELATES TO DRAWING (D) 10830
REVISION: D.
8. CAUTION: THIS PRODUCT IS SUSCEPTIBLE TO DAMAGE FROM
ELECTROSTATIC DISCHARGE. HANDLING OF THIS PRODUCT SHALL BE
ACCOMPLISHED ONLY WITH ADEQUATE PROVISION TO PREVENT
ATTENTION
ELECTROSTATIC DISCHARGE DAMAGE.
Static-Sensitive
Devices
0096ATM1096ATM
SMHO92SMHO02
NOMINAL COLD RESISTANCE
FOR HEATER HR1
Figure 19—Power supply board schematic (sheet 1 of 3)
82
U31
27C512
Medi-Therm® III SERVICE MANUAL
* NOT USED MTA6901
Figure 20—Control/display board schematic (sheet 2 of 3)
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