Nautel NV3.5, Troubleshooting Manual, Page: 214 / 228

Issue 3.2 2014-12-10 MD-8
Figure MD-8: NAPI112B Power Supply Distribution PWB
R9
C11 C13
R1
1
R3
R4 R5
C3
C1
C6
TP5
Q1
S D G
R14
C17
C15
TP1
C2
R1
E3 E2
TP2
C5
C4
E5
R8
TP6
C12
1
J10
R1
0
R12
R13
C16
C14
R2
1
J2
R6
E7
E8
J7
1
C8 C10
TP4
E1 E6 E4
TP3
C7
A1 K A2
CR2
A1 K A2
CR4
1
J9
1
J12
1
J11
C9
R7
1
J3
A1 K A2
CR1
A1 K A2
CR3
1
J1
1
J5 E9
E10
J8
1
1
J13
1
J6
1
J4
B C E F H I K
1
2
3
4
A
M2060197 V1
D G J
FA
N V
(A
)
FAN V (B)
(A)
+12V
(FAN V)
GND
CAUTION:
+12V
+12V (B)
HEATSINKS
DO NOT GROUND.
MAY BE LIVE.
1 - 4 13 - 16 9 - 12 5 - 8
FAN VOLTS +12V SBC/ GND
NAPI112
GND
MODULES MODULES
+12V IN (A)
MODULES
+12V IN (B)
REJECT
IPA PS A
AUI OUT
IPA PS B IPA PS C
SER.
V OUT
FAN PS B
IPA PS
FAN VOLTS
LOAD B/C LOAD A
+12V FAN +12V FAN
GND FAN VOLTS IN (A) FAN VOLTS IN (B)
MODULES
FAN PS A
V RTN
REJECT
FAN PS
POWER SUPPLY DISTRIBUTION