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PHILIPS HR7727
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of PHILIPS HR7727 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Text excerpt from page 2 (click to view)
SERVICE INFORMATION
− HR 7725 − The blender coupling on the motor shaft has been

A separate drawing shows how to disconnect the speed selection knob.

provided with the customary left-hand thread. The drive coupling (item 11) can be detached by means of a hammer and a screwdriver. Strike the screwdriver with a short sharp blow and remove the drive coupling. Or block the acc. drive wheel (item 23) and thereby the rotor shaft, by sticking a pin through the hole (5 mm dia.) in the bottom plate.
− The top housing (item 29) can be removed by

− HR 7727

First remove the pulse button (marked “M”) as shown in the figure. Then unlock two snap connections to remove the variomatic knob from the top housing.

detaching the snap connections by sticking a pin (or a screwdriver) through the small round holes (3 mm dia.) in the bottom plate (item 27) and the housing (item 12). The arrows in the drawing show the locations of the holes. In order to replace the speed selection or variomatic − knob, the locking lever (item 33) must be placed in its lowest position.
− The minimum speed of the HR 7727 can be set when

1 2

the pulse button (the button marked with an “M”) is not mounted. The minimum speed (rpm) has been correctly set if the motor starts automatically and continues to run smoothly with the variomatic knob and the adjustable potentiometer in the lowest setting. − The accessory drive shaft (item 15) has a locking piece (item 14).
− The assembly of the accessories depends on the

1
− HR 7727

national version.
− For specific versions, the component configuration may

Remove the Poti gear (item 32) by turning it clockwise until the arrows face each other.

differ from the one shown on the exploded view. However, the actual components can be distinguished by their code numbers.
− Make sure that all functions, including the safety

devices, are working correctly after you have completed the repair.
brown R L2 Speed High and Pulse

M1 D1 1N5406

red

F1

Speed Low MAINS R1 470k N L1 C1

F2

brown F1

BF white Rotor B yellow

black blue N1 violet

F2 N

Change-over switch in braking position

HR 7725
Pulse brown R R4 470k R1 470k Q2 On/Off blue N R5 1M C2 68nF L1 N1 L3 R2 1M R3 27k F2 brown F1 M red F1

DAP0535

BF white Rotor

MAINS

C1

Q1

black violet

F2 N

B yellow

Change-over switch in braking position

HR 7727

DAP0536

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