Schematic - Zd 0817 Control Unit; Filter Sub-Section - BRUEL & KJAER 5998 Service Manual

Brüel & Kjær
BI 5044 –11
GUP,GDN,OUP,ODN,FUP,FDN,REFS,LOC,GA,GB,GC,OA,OB,FA,FB,REF_L,REMOTE_L
FDN FUP
TALA
TALB
TALC
LOAD_F
1 D5
2 9
8
74HC4075
VD6644
IEEE_ON 3 D5
4 6
5
74HC4075
VD6644
RESETOUT 11 D5
12 10
13
74HC4075
D22
VD6644 9
8
10
74HC32
TALA,TALB,TALC,LOAD_F,LOAD_G,LOAD_O,RESETOUT,IEEE_ON VD6616
Reciprocity Calibration Apparatus Type 5998
Service Manual
FA FB
D11 D15
15 3 11
A QA
1 2
B QB
74HCT14
10 6
C QC
VD6801
9 7
D QD
11 13
LOAD TCD
12
TCU
UP DN
CLR
74HC193
5 4 14
VD6641
D15
13
74HCT14
VD6801
D8
15
Y0
14 1
Y1 A
13 2
Y2 B
D22
74HC32
4 12 3
Y3 C
6
5 11 VDD
Y4
VD6616
D22 10 6
Y5 G1
12
11 9 4
Y6 G2A
13
7 5
Y7 G2B
74HC32
VD6616
74HC238
VD6669
Schematic – ZD 0817 Control Unit
VDD +6V +6V
R27 R29 C19
845 2.37K 2.2N
RC3290 RC3337 CC0056
D14
3 10 11 10
10 4 9
74HCT14
VD6801
U3 PC837
GND1;7
VD0110 +6V;14
VDD +6V +6V
+6V D20
R28 R30 C20 VD6558
845 2.37K 2.2N
TPIC6259
18
RC3290 RC3337 CC0056 D
DRAIN0
D14 3
S0
DRAIN1
5 8 13 12 8
S1
DRAIN2
12 6 7 12
S2
74HCT14 DRAIN3
VD6801 13
G DRAIN4
U3 PC837
GND1;7 1
PGND1 DRAIN5
VD0110 +6V;14
10
PGND2 DRAIN6
11
PGND3 DRAIN7
20
PGND4
CLR
19
G[0:5]0DB,IEEE[1:24],AOUTPUT,BOUTPUT,GOUTPUT,ROUTPUT,HPF_OFF,HPF_22.4,HPF_100,REF,PIST_ON,PIST_SW
ENGINEER DEPT. DATE
AL 8749 960708 CONTROL UNIT
DRAFTER DEPT. DATE
RECIPROCITY CALIBRATION APPARATUS
HBC 8349 960715
APPROVAL DEPT. DATE SERIALNUMBER VERSION
1
HBC 8349 960715
TYPE DRAWING NUMBER
DATE FILE NAME SHEET
5998 ZD0817
7-16-1996_11:17 FILTER 1
Chapter 7 — Electrical Diagrams

Filter Sub-section

+6V
2
VCC
4 HPF_OFF
5 HPF_22.4
6 HPF_100
7
14
15
16
17
9
LGND
TITLE
B
K
PCB NUMBER SHEET NUMBER
XM0454 4.1
7 – 7