Diy VP44 Repair PDF [PDF]

Zitiervorschau

TAP THE UPPER WIRE CLOSEST TO ENGINE PULL IN FET

1N5363BG .250 TAB

V REG

1

L2

NOTE 1 S G

D1

2 OHM FILM RES. 2R

R3

VP 44 MOD

GREEN 14 AWG J1

TCV BELOW ROTOR HEAD NOTE 2 TCV FET

RED

.250 TAB YELLOW 14 AWG J2

100k

R

PIN7 12VDC PIN6 GND

ANGLE POSISTION SENSOR

10

NOTE 3

R2

HOLD FET

J3 24 AWG

INTERNAL LOW VALUE CURRENT SENSE RES. 5VDC GND A B

Q1 R1 FQP50N06L

.250 TAB

SOL. DRIVE PCB

NOTE 1: CUT S AND G LEADS OFF THE DEFECTIVE PULL IN FET. LEAVE THE OUTER LEADS IN PLACE

FUEL CONTROL UNIT

L1 FUEL SOLENOID CENTER OF ROTOR HEAD

R1,R2: 1/4 W. R3: 1 OHM, 2W. D1: 30V, 5W ZENER NOTE 2: RATHER THEN SOLDERING TO VERY Q1: FQP50N06L LOGIC LEVEL 50A,60V. SMALL GATE PAD SIMPLY WRAP SMALL DIA. Q1 HEATSINK: OHMITE FA-T220-51E. WIRE AROUND LEAD WITH TWEEZERS. OVERLAP J1-J3: TE CONNECTIVITY .250 PCB TERM TURNS AND SOLDER TO ITSELF TRAPPING THE PN 63849-1. ALUMINUM BOND WIRE INSIDE PCB: BPS ST1 STRIPBOARD. Q1 SOURCE AND DRAIN TRACES SUPPLEMENTED WITH BUS WIRE NOTE 3: INCREASE YELLOW SOURCE WIRE SIZE FOR HIGH CURRENT. UPON EXIT OF FCU. AVOID EXCESSIVE WIRE LENGTHS.