Hitachi L300P Series Service Manual page 50

SJ300-150 - 220HF , L300P-185 - 300HFR Circuit Diagram
P
PD
DM Board
G
G
R
S
T
N
R T
J52
J52
J53
R
J51
J54
T
To
J55
Ro
Control Power
Board
SP SN RP SN FW
P24 PLC
J10
DM
J41
J41
J61
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
+ +
J11
+ +
J12
OPEC
Logic Board
TMC
CN1
FM TH CM1 11 12 13 14 15 CM2 H O
J31
IGBT
CT
J21
Main Board
J22
J1
Flat Cable
J1
OPT1C
OPT2C
Control Terminal Board
OI O2 L AM AMI AL2 AL1 ALO
Note: Control terminal symbol is SJ300
Thermistor
U
V
W
FAN
FAN
OPTXC
Option Board
OPTXC
Option Board