Fluke PM6690 Service Manual

Pos Description Part Number
U18 IC-OPAMP OPA277 932214746682
U19 IC-OPAMP OPA277 932214746682
U2 IC-OPAMP LMC6081 932220497682
U20 IC-OMV ADC 10BIT ADC1061C1WM SO20 932218755682
U21 IC-OMV ADC 10BIT ADC1061C1WM SO20 932218755682
U22 IC-OMV ADC 10BIT ADC1061C1WM SO20 932218755682
U23 IC-OMV ADC 10BIT ADC1061C1WM SO20 932218755682
U24 IC-OPAMP OPA277 932214746682
U26 IC-OPAMP OPA277 932214746682
U28 IC-OPAMP OPA277 932214746682
U29 IC-CMOS 74LVC74AD 935260734701
U3 IC-COMP ADCMP565BP 932220403682
U30 IC-OP AMP LM358 x2 SMD SO8 532220982941
U31 IC-OPAMP LMH6624 932220398682
U32 IC-CMOS 74LVC74AD 935260734701
U33 IC-CMOS 74ALVC00 932220496682
U34 IC-DIG BUS ISP1181B 935271360701
U35 IC-OP AMP LM358 x2 SMD SO8 532220982941
U37 IC-DIG BUS TNT4882 932220397682
U38 IC-CMOS TRANSL3-5V 74LVC4245AD 935260749701
U39 IC-DIG TEMP SENSOR LM75 932212511682
U4 IC-CMOS 74ALVC00 932220496682
U40 IC-DIG BUS I2C PCA9555PW 935269569701
Pos Description Part Number
U41 IC-CMOS 74HCT126D SMD SO14 933757050701
U42 IC-OP AMP KM4100IT5 SOT23-5 260MHz 403106000002
U43 IC-OP AMP KM4100IT5 SOT23-5 260MHz 403106000002
U44 IC-OP AMP KM4100IT5 SOT23-5 260MHz 403106000002
U45 IC-OP AMP KM4100IT5 SOT23-5 260MHz 403106000002
U46 IC-CONV DAC MAX5156BCEE 12bit dual 403106000001
U47 IC-CMOS 74LVC1G04GV LOG 1xINV 935271788125
U48 IC-CMOS 74LVC1G04GV LOG 1xINV 935271788125
U5 IC-DAC 12BIT LTC8043 932220498682
U50 IC-OP AMP TLE2022C SMD SO 932207300701
U6 IC-OP AMP OPA277 932214746682
U7 IC-OP AMP OPA277 932214746682
U8 IC-OP AMP LM358 x2 SMD SO8 532220982941
U9 IC-ANALOG-PLL 200MHz ADF4001BRU 932220404682
8-14 Replacement Parts, Front Unit
26
7
2
18
8
32
13
Figure 8-4 Display assembly.
Front Unit

Fluke PM6690 Specifications

General

Type	Frequency Counter/Timer
Input Channels	3
Frequency Resolution	0.001 Hz
Operating Temperature	0°C to 50°C
Resolution	12 digits per second
Time Interval Resolution	50 ps
Functions	Frequency, Period, Time Interval, Ratio, Phase, Totalize
Interfaces	GPIB, RS-232
Power Supply	100-240 VAC