Fluke 87 V/AN - Schematic Diagrams

87 V/AN
Service Manual
38
Table 18. A1 Main PCA (cont.)
Reference
Designator
Description
Part
Number
Cage
Manufacturer’s
Part Number
Qty
U7
IC,RMS CONVERTER,AD737J-5,+-2.5V,LOW
POWER,LOW SUPPLY VOLTAGE,SO8,TAPE
2089072 24355 AD737JR-5 1
U8
IC,VOLTAGE
REFERENCE,LT1790,2.5V,0.1%,25PPM/C,60
UA,SOT-23-6,TAPE
1622188 64155 LT1790ACS6-2.5 1
U10
IC,VOLTAGE REGULATOR, LINEAR,
TPS77050,5V,50MA,LDO,LOW POWER,SOT-
23-5,TAPE
1642135 01295 TPS77050DBVR 1
U12
IC,ANALOG SWITCH,74HCT4053,5V,140
OHMS,TRIPPLE,SPDT,TSSOP16,TAPE
2064876 01295 CD74HCT4053PWR 1
U14
IC,LOGIC,7S08,2.0V-6.0V,SINGLE AND
GATE,SC70-5,TAPE
2075176 07263 NC7S08P5X 1
VR1
ZENER,UNCOMP,MMSZ5237B,8.2V,5%,
20MA,500MW,SOD-123,TAPE
1597952 89536 1597952 1
XF1- XF2 FUSE CONTACT 659524 89536 659524 2
XF3 XF4 FUSE CONTACT 707190 89536 707190 2
Y1
CRYSTAL,32.768KHZ,30/105PPM,7PF,CLIP
CAN,SMD,TAPE
1627036 89536 1627036 1
Z1
OEIGHTY-4R01T-N,R-NET, MF, POLY, SIP,
OEIGHTY HI V DIVIDER
2057204 89536 2057204 1
Z2
76-4R01T-K,R-NET, CERM, SIP, HI V
PROTECT
103454 89536 103454 1
Schematic Diagrams
Reference designator drawings and schematic diagrams are provided on the following pages.