Megger MIT510 - Page 48

AF008-02-1201
48
Number
Issue
Date
CN Number
6
1
7
2-
999
2
17-01-07
22933
Compiled
By:
S.Mynott
Date
Compiled:
08/08/06
MIT5XX/10XX
1
st
Used On:
SERVICE MANUAL
R302
10K
C127
100nF
R303
100R
D34
BZX79C3V9
0V(A)
R304
100R
R305
1K
R307
1K
R308 10M
12 13
#
IC24-1
4066
3 4
5
#
IC24-2
4066
89 6
#
IC24-3
4066
11 10
12
#
IC24-4
4066
VCC
14
GND
7
IC24-5
4066
0V(A)
SPI4
Current+
0V(D)
C128
100nF
C129
100nF
+8V
-8V
0V(A)
0V(A)
1. CS
2. SCLK
3. DIN
4. DOUT
L2
CapVolts
TP211
CLK OUT
12
CLK IN
13
INT/EXT-
14
-
4
+
5
NC1
3
NC2
6
OUT
10
CLAMP
9
V+
11
CXB
1
CXA
2
V-
7
CRET
8
IC23
TLC2652CN
TP217
TR 16
2N4393
TR17
BCF29
+5V(A)
-8V
C120
63
1u
C139
100nF
0V(A)
C119
63
1u
C140
100nF
C121
63
1u
+8V
VCC
14
GND
7
IC28-5
4066
0V(A)
-8V
R298
100K
D28
LL4148
Tit le
Size
Document Number
Date:
Sheet
of
MEGGER LIMITED
Archcliffe Road, Dover,
Kent, CT17 9EN, England
Issue Date CN No.Instrument:
Drawn By:
© MEGGER LIMITED
6270-298
Measurement Board - ADC
A3 5 7
Wednesday, August 14, 2002
MIT5XX & 10XX
C.Wedge 11 22-02-2006 22621
12 06-03-2006 22636
<Variant Name>
R313
10K
R295
10K
R297
10K
+8V
R294
10K
R293
10K
R296
10K
C141
100nF
-8V
0V(A)
+8V
R290
1K
C138
100nF
3
12
V+
V-
IC27-5
LM339
C142
50.00
1n
0V(A)
-8V
+5V(D)
0V(D)
+5V(A)
-8V
C136
100n
+
11
-
10
Y
13
IC27-4
LM339
0V(A)
-8V
0V(D)
+5V(D)
+5V(A)
-8V
0V(A)
Current-
AdcReset-
0V(A)
PL119
Guard ring connected to pin 4 (negative input)
R323
10K
0V(A)
+
9
-
8
Y
14
IC27-3
LM339
+
7
-
6
Y
1
IC27-2
LM339
-8V
+
5
-
4
Y
2
IC27-1
LM339
R324
100K
+5V(A)
R321
1K
R316
1K
R320
10K
R319
10K
0V(A)
3 4
5
#
IC28-2
4066
1 2
13
#
IC28-1
4066
/Discharge
8 9
6
#
IC28-3
4066
+5V(A)
R326
10K
7
3
2
4
6
1 5
8
+
-
IC12
ADOP07DN
+5V(A)
R325
10K
0V(A)
+5V(A)
D36
LL4148
D35
LL4148
+5V(A)
Current
+8V
+8V
R314
1K
TP212
C89
10nF
R315 1K
SPI1
CapVolts
TP176
SPI3
TP215
11 10
12
#
IC28-4
4066
0V(A) -8V
+8V
-8V
0V(A)
SPI2
Guard band (0VA)
0V(A)
TP213
+8V
-8V
4.9152 MHz
-8V
C43
100nF
C46
100nF
TP214
C123
100n
C122
100n
0V(A)
C125
100nF
TP208
C124
100nF
0V(D)
C135
10nF
0V(A)
C90
100nF
C91
100nF
NF
0V(A)
MHz
XL 2
TP32 TP34
0V(D)
DGnd
2
Xi n
3
Xo ut
4
RESET
5
DSYNC
6
PDWN
7
DGnd
8
Vref+
9
Vref-
10
Ain0/D0
11
Ain1/D1
12
DVdd
1
DRDY
23
Dout
21
Din
20
CS
19
POL
18
SCLK
22
Ain2/D2
13
BUFEN
24
Ain3/D3
14
Aincom
15
AGnd
16
AVdd
17
IC9
ADS1240
R49 1K
SK6
TP35
C36
10pF
TP36
R47
10K
C37
10pF
TP3 8
TP37
TP202
TP203
TP33
SPI[1..4]
2.5V-REF
DRDY-
|AvgVolts|
+5V(D)
+5V(A)
0V(A)
TP193
0V(D)
TP194
0V(D)
TP210
TP197
TP198
TP196C126
10nF
NF
R289 1K
TP216