SJ300-370-450LF, L300P-450-550LFR Circuit Diagram
P
J31 | Thermistor |
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PD
G | DM Board |
J10 |
G |
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| DM |
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| IGBT |
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R |
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| THY |
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| J11 |
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S |
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| + | + | + | + |
T |
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| J16 |
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N |
| R | T |
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| J52 | J41 |
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Control Power |
| J52 | J41 |
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J53 |
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| Main board | ||
Board |
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R |
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| T | J54 |
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| J1 |
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J62 |
| J55 |
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| Flat Cable |
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J65 |
| J64 |
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| J1 |
J65 |
| J64 |
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J32
J56 J71
J33
J56 J71
CTU
CTW
CT Board
J21
J22
J23
J24
Thermistor
Thermistor
U
V
W
FAN
FAN
FAN
FAN
| J62 | H I T A C H I |
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J51 |
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| PLUG | OPEC |
To |
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| Digital | Logic Board |
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| Operator | |
Ro | J61 |
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RUN |
| STOP/RESE | Plug |
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Pre Control | FUNC | 1 | 2 S T R |
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Power Board |
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| TMC |
OPT1C | OPTXC |
Option Board
OPT2C |
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| OPTXC |
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Option Board
| CN1 |
SP SN RP SN | FW 8 7 6 5 4 3 2 1 CM1 FM TH CM1 11 12 13 14 15 CM2 H |
| P24 PLC |
Control Terminal Board
O OI O2 L AM AMI 
AL2
AL1 ALO
Note: Control terminal symbol is SJ300.