Sanyo HVR-DX610 Service Manual page 11

TROUBLE SHOOTING
Is 5V voltage obtained at Loading
parts IC501 pin#63?
YES
Is 14V voltage obtained at
Capstan Motor P501 pin#2?
YES
Is 13V voltage obtained at Each
parts of Loading Motor?
YES
Replace Loading Motor.
Is there REEL Pulse at IC501
pin#79, 80?
NO
Check at EVER 14V
Check Q850.
NO
Check D851 and POWER circuit.
Connect Capstan and Loading Motor.
NO
Check connector and Capstan Motor.
NO
Check S501, S502 REEL Sensor.
YES
Is D.PG/FG pulse at IC501
pin#90 normal ?
YES
Is C. FG pulse at IC501 pin#87
normal ?
YES
Check and replace IC501.
10
NO
Check R544,C516 and P501
pin#11.
NO
Check C.FG(R543,C517) and
P501 pin#1.