Hitachi L300P Series Service Manual page 46

SJ300-550LF,L300P-750LFR Circuit Diagram
P
PD
DM Board
G
G
R
S
T
N
R T
J52
J52
Control J53
Power Board
R
J54
T
J55
J62
J64
J65
J64
J65
J62
J51
To
Ro J61
Pre Control
Power Board
SP SN RP SN
P24 PLC
J10
DM
THY
J41
J41
H I T A C H I
Digital
Operator
RUN
STOP/RESE Plug
2
1
FUNC STR
FW 8 7 6 5 4 3 2 1
J56
IGBT
TUG
TUE
+ + + +
TXG
TXE
Main Board
PLUG
OPEC
Logic Board
TMC
CN1
FM TH CM1 11 12 13 14 15
CM1
J71
R1-R6
J71
CTU
CTW
CT Board
Snubber Module
J1
Flat Cable
J1
Control Terminal Board
H O OI L AM
CM2 O2 AMI
Note: Control terminal symbol is SJ300.
Thermistor
J31
J32
Thermistor
J33
Thermistor
U
V
W
J21
FAN
J22
FAN
J23
FAN
OPT1C OPTXC
Option Board
OPT2C OPTXC
Option Board
AL2 AL1 ALO