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VCC VCC
VCC VCC VCC PIQ103 COQ1
Q1
PIQ203 COQ2
Q2
A PIQ102 PIQ202 A
PIU208 PIR902 PIR802 2N5089 2N5089
8
ORANGE
1
COU2
U2
A1
COR9
R9
15K
COR8
R8
15K PIQ10 PIQ201
VCC
PICN101 PIU201
COCN1
CN1 PIR901 PIR801 PIR?02 PIR?02
2 7 R? R? R?
PIU202 K1 C1 PIU207 PIR?01 PIR?02
1K1 1K1
???
YELLOW PICN201
3
PIU203 A2
PIR?01 PIR?01
6 R?
COCN2
CN2 C2 PIU206 PIR?01 PIR?02
4
GND
PIU204 K2 ???
COU4
U4
PIC402 PIC502 1
PIU401 A D
6
PIU406 PICN601 Red (to R113/R114)
PIU205
HCPL2731 COC4
C4 COC5
C5 PIR?02 COCN6
CN6
5
PIC401 62nF PIC501 62nF R? 2
PIU402 K N.C.
5
PIU405
???
PIR?01 3
PIU403 N.C. S
4
PIU404 PICN701 Orange (to C104)
GND GND GND GND COCN7
CN7
H11F1
GND GND
B B
GREEN PICN301
COCN3
CN3
COR5
R5
PIR502 PIR501
GND 162K
COU3
U3
LT1009-? COU5
U5
COR3
R3 3 1 1 6
BLUE PICN401 PIR301 PIR302 PIU303 PIU301 PIU501 A D PIU506 PICN801 Blue (to R112/C103)
COCN4
CN4 1K6 PIR402 PIR?02 COCN8
CN8
PIC602 COR4
R4 R? 2
PIU502 K N.C.
5
PIU505
COC6
C6
PIU302 ??? ??? ?
2
PIC601 uF PIR401 PIR?01 3
PIU503 N.C. S
4
PIU504
? PIR?01
H11F1 COR?
R?
PIR?03
GND GND GND GND GND
PIR?02???
C C
?
COR6
R6 ?
PIR602 PIR601
RED PICN501 562K
COCN5
CN5
PICR10 CR1
COCR1
COTP1
TP1 COT
T
PICR102 ???
5
U1
COU1
4
VCC
PITP101 PIT01
PIU105 VIN VOUT PIU104
PIR102
6
PIU106 REF IN- PIU108
8 R1
COR1 PIC202 GND
PIC701 COC7 PIC101 COC1
C7 C1
??? C2
COC2
7
PIU107 COMPOUT PIR101 PIC201 27nF PIC301 C3
COC3
PIC702 ???uFPIC102 ???uF 2
FEEDBACK PIU102
3
PIU103 SHUTDOWN PIC302 ???uF
PIR202
GND GND GND COR2
R2
200K
D
LT1120ACN8
PIU10 GND
D
1
PIR201
*
Title 345A.324.RevB *
GND *
Size: A4 Number:* Revision:*
*
Date: 19/03/2016 Time: 20:49:18 Sheet * of * *
File: Y:\Instruments\FLUKE\845\845AB\845A_324_RevB.SchDoc
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