Hitachi L300P Series Service Manual page 51

SJ300-300HF , L300P-370HFR 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
J65 J64
J64
J65
J62
J51
To
Ro J61
Pre Control Power Board
SP SN RP SN FW
P24 PLC
J10
DM
J41
J41
H I T A C H I
PLUG
Digital
Operator
RUN Plug
STOP/RESE
2
1
STR
FUNC
8 7 6 5 4 3 2 1 CM1
IGBT
+ +
J11
+ +
J16
Main Board
J1
J1
OPEC
Logic Board
TMC
CN1
FM TH CM1 11 12 13 14 15 CM2 H O
J31
J56 J71
J32
J56 J71
CTU
CTW
CT Board
J21
J22
J23
OPT1C
OPT2C
Control Terminal Board
OI O2 L AM AMI AL2 AL1 ALO
Note: Control terminal symbol is SJ300
Thermistor
Thermistor
U
V
W
FAN
FAN
FAN
OPTXC
Option Board
OPTXC
Option Board