Service manual

PN 4237242C
A.2-4
QUICK REFERENCE INFORMATION
SWITCH SETTINGS, JUMPER SETTINGS AND TEST POINTS
Sensor Preamp Adapter Card
SPAD Card
X7 (ON)
r ON connects oscillator to circuit
r OFF disconnetcs oscillator for card testing
URA Card
Vacuum Sensor Card
Table A.2-8 Sensor Preamp Adapter Card Jumper Settings
Jumper Description MD II Setting
X3 Grounds WBC Dc Restorer input for subassembly adjustment and testing. OFF
X4 Connects WBC Preamp output to Dc Restorer. ON
X7 Connects RBC Preamp output to Dc Restorer. ON
X8 Grounds RBC Dc Restorer input for subassembly adjustment and testing. OFF
Table A.2-9 URA Card Switch and Jumper Settings
Switch or Jumper Description MD II Setting
SW1-1 OFF - MICRO-PAK reagent
ON - Bulk reagent
OFF
SW1-2 OFF - Does not create INF file
ON - Creates INF file
OFF
SW1-3 OFF - Normal operation
ON - Final test functions
OFF
SW1-4 OFF - Normal operation
ON - Adds Service Report when SW1-3 is ON
OFF
SW1-5 to SW1-8 Not used OFF
X1 Connects oscillator to circuitry ON
Table A.2-10 Vacuum Sensor Card Test Points
Test Point Description
TP1 8.006 V reference voltage (7.964 V to 8.049 V)
TP2 Transducer output
TP3 Gain adjustment output
TP4 Ground
TP5 VAC OUT