Inverter Service Manual

SJ300-007HF Circuit Diagram
1 2 3
58 59 60
PD
ALAR
RU
PR
H
POWE
H I T A C H I
STR
RUN
STOP/RESE
FUNC
P
RB
R
S
T
G
J51
To
Ro
U
V
W
N
J61
Logic Board
Option Board
Option Board
OPTXC
OPT1C
OPTXC
OPT2C
1 2 3
58 59 60TMC
SP
SN RP SN
P24 PLC
FW 8 7 6 5 4 3 2 1 CM1 FM TH
CM1 11
12
13
14
15
CM2
H
O
OI
O2
L
AM
AM
AL
AL1
AL0
Control Terminal Board
FAN
J21
CN1
PLUG
OPEC
Digital Operator
Plug
1 2 3 28 29 30
J1
1 2 3
28 29 30
J1
Main Board
Bus Capacitor
Board
+
G
+
CTU
CTW
TM
TM
CIB
Flat Cable
Fin
1
2