Megger MIT510 - Page 33

AF008-02-1201
33
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
TP51
TP36
R8 10.00K
C26
100.00n
R9 10.00K
R40
10.00K
0V
RS232_Rx
R1
100.00K
+5V
uP_RxD1
TP38
R17
100.00K
TP37
TP42
+5V
NOT FITTED
RS232_Tx
R39
4.70K
0V
0V
IC2
74AHCT1G08GW
1
2
34
5
B
A
GNDY
VCC
TR1
BCW32
Connection to instrument
USB_Rx
SK1
1
3
4
5
6
7
8
2
9
10
11
12
13
14
R2
1.00K
+5V
R19
1.00K
TP55
uP_TxD1
+5V
6270-296
Interface PCB 10 & 20
A4 1 2
Tuesday, June 22, 2004
MIT5XX & 10XX
Simon Haynes 1 03-11-2004 PCD
2 03-02-05 22235
<Variant Name>
Title
Size
Document Number
Date:
Sheet of
MEGGER LIMITED
Archcliffe Road, Dover,
Kent, CT17 9EN, England
Issue Date CN No.Instrument:
Drawn By:
© MEGGER LIMITED
VR1
LM1117-3.3
12
1
23
GND
OUTIN
TP35
NOT FITTED FOR MODEL 20
IDbit0
R38
100.00K
+3.3V_USB
R11
4.70K
R5 10.00K
C31
100.00n
TP48
NOT FITTED FOR MODEL 10
0V
C32
100.00n
C27
100.00n
0V
+5V
IC11
74AHCT1G126GW
1
2
34
5
OE
A
GNDY
VCC
Components fitted for Model 20 only
RS232
IC1
LTC1383CS
11
1
3
4
5
2
6
7
14
8
13
10
11
9
12
16
15
C1+
C1-
C2+
C2-
V+
V-
RO1
RO2
RT1
RT2
LT1
LT2
LO1
LO2
Vcc
GND
Safety
discharge
resistor
C30
100.00n
TP34
TR3
BCW32
TP53
R37
1.00K
0V
R7 10.00K
RS232
Socket
Rx
+
C12
10.00uF
12
TP52
R4
4.70K
Components fitted
for Model 20 only
C25
1.00n
50.00
+3.3V_USB
TP40
TR7
BCW32
+
C13
10.00uF
16
TP44
C2
1.00n
50.00
Components fitted for Model 20 only
0V
+3.3V
TR6
BCW32
TP45
C8
1.00n
50.00
TP54
TP50
0V
TR2
BCW32
TP47
IDbit2
C9
100.00n
25
R10 10.00K
0V
TP49
+3.3V_USB
TP33
USB_Tx
R42
6.80M
2.00
0.25
SK2
1
3
4
5
6
7
8
2
9
1011
0V
DISCHG
0V
R6 10.00K
+5V
0V
IDbit1
0V
R36
1.00K
NOT FITTED FOR MODEL 20
0V C28
100.00n
TP43
TP46
NOT FITTED FOR MODEL 10
R41
1.00K
TP41
C29
470.00nF
25
R18
1.00K