Fluke ScopeMeter 123 Service Manual page 10

123
Manual
Service
5-8. Four-wire Ohms calibration connections .............................................................. 5-14
5-9. Capacitance Gain Calibration Input Connections ................................................. 5-15
5-10. 20 V Supply Cable for Calibration........................................................................ 5-16
6-1. Fluke 123 Main Assembly..................................................................................... 6-4
6-2. Flex Cable Connectors .......................................................................................... 6-5
6-3. Main PCA Unit Assembly..................................................................................... 6-7
6-4. Mounting the display shielding bracket ................................................................ 6-9
6-5. Battery pack installation........................................................................................ 6-9
7-1. Operative Test Tool without Case......................................................................... 7-3
7-2. 20V Supply Cable for Loading Software .............................................................. 7-17
8-1. Fluke 123 Final Assembly..................................................................................... 8-5
8-2. Main PCA Unit...................................................................................................... 8-6
9-1. Circuit Diagram 1, Channel A Circuit................................................................... 9-7
9-2. Circuit Diagram 2, Channel B Circuit................................................................... 9-8
9-3. Circuit Diagram 3, Trigger Circuit........................................................................ 9-9
9-4. Circuit Diagram 4, Digital Circuit......................................................................... 9-10
9-5. Circuit Diagram 4 (cont), Digital Circuit Keyboard ............................................. 9-11
9-6. Circuit Diagram 5, Power Circuit.......................................................................... 9-12
9-7. Main PCA side 1 ................................................................................................... 9-13
9-8. Main PCA side 2 ................................................................................................... 9-14
9-9. Main PCA side 1, PCB version 8 .......................................................................... 9-15
9-10. Main PCA side 2, PCB version 8 .......................................................................... 9-16