Fluke PM6690 - Page 102

6-58 Troubleshooting
U131
S/R ON/OFF
EXT ARM
FPGA
INPUT
AMPLIFIERS
ETC.
A
B
S/R
C
TRGLVL A
TRGLVL B
GATE
DISPLAY
LED DRIVERS
INTERPOL 0
INTERPOL 1
INTERPOL 2
INTERPOL 3
U20
U21
U22
U23
STOP STAR
T
Vref
2.5 Vref
U11
Figure 6-104 Measuring logic, block diagram.