Hitachi L300P Series Service Manual page 52

SJ300-370- 550HF,L300P-450-750HFR 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 8
P24 PLC
J10
DM
J41
J41
H I T A C H I
PLUG
Digital
Operator
RUN
Plug
STOP/RESE
2
1
FUNC STR
7 6 5 4 3 2 1 CM1 FM TH
IGBT
+ +
J11
+ +
J16
Main board
J1
J1
OPEC
Logic Board
TMC
CN1
CM1 11 12 13 14 15 CM2
J31
J32
J56 J71
J33
J56 J71
CTU
CTW
CT Board
J21
J22
J23
Flat Cable
J24
OPT1C
OPT2C
Control Terminal Board
H O OI O2 L AM AMI AL2 AL1 ALO
Note: Control terminal symbol is SJ300.
Thermistor
Thermistor
Thermistor
U
V
W
FAN
FAN
FAN
FAN
OPTXC
Option Board
OPTXC
Option Board