Table 6-26. A20 CPU PCA (cont)

List of Replaceable Parts

6

Service Centers

Table 6-26. A20 CPU PCA (cont)

Ref Des

Description

 

 

Part

Number

Qty

U19

U25, U27-29

U26, U30

U31

U32

U33

U52

XBT1

Y1

Y3

Z1

Z2-3

Z5

IC,MEMORY,SRAM,7C1021,1MB,64KX16,5V,15NS,TSOP44,TAPE

CMOS 74HCT244 SMR,IC,CMOS,OCTL LINE DRVR,SOIC

CMOS 74HCT245 SMR,IC,CMOS,OCTAL BUS TRANSCEIVER,SOIC

CMOS 68C681 SM,IC,CMOS,DUAL CHANNEL UART,PLCC

IC, LOGIC, DS75451, 5.0V, SERIES DUAL PERIPHERAL DRIVERS, SOIC8, TAPE

IC,REAL TIME CLOCK-CALENDAR,ICM7170,5V,PARALLEL,ALARM,SO24,TAPE

BIPOLAR LM324 SMR,IC,OP AMP,QUAD,LOW POWER,SOIC

CONNECTOR,HOLDER,BATTERY,2450 COIN,SURFACE MOUNT,TAPE

CRYSTAL,7.3728MHZ,50/100PPM,20PF,PLASTIC ENCAPSULATED,SMD,TAPE

CRYSTAL SMR,CRYSTAL,32.768KHZ,20PPM,SURFACE MT

RESISTOR NETWORK,CERMET,BUSSED,15 RES,16 TERM,3.3K,+- 5%,0.125W,200PPM,4012,TAPE

RESISTOR

SMR,RES,CERM,SOIC,16 PIN,15 RES,4.7K,+-2%

RESISTOR

SMR,RES,CERM,SOIC,16 PIN,15 RES,100K,+-2%

1609432

742593

742577

866785

1589055

1588991

742569

1588957

106648

106754

1589028

838060

910745

1

4

2

1

1

1

1

1

1

1

1

2

1

Note 1:

For 5700A, order pn 1608184 for U15.

For 5720A, order pn 1619757 for U15.

6-83

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Fluke 5720A List of Replaceable Parts, Service Centers, 26. A20 CPU PCA cont, Ref Des, Description, Part Number