Philips HR7725B Service Manual

Philips Domestic Appliances and Personal Care
Cucina Food processor
HR 7725/B HR 7727/B
PRODUCT INFORMATION
The food processors are equipped with mechanical and thermal safety switches.
Motor power : 600 W Voltage : 220-240 V ; 50-60 Hz
: HR 7727 variable speeds + pulse Bowl capacity : 2.5 l dry ingredients
1.0 l liquids
Blender capacity : 1.0 l liquids
2.0 l (max. contents)
Speeds unloaded : blender drive shaft 17000 rpm (max)
acc. drive shaft 2150 rpm (max) acc. drive shaft 1400 rpm (min)
Weight in fancy box : HR 7725 - 5100 g
HR 7727 - 5700 g
Dimensions (lxwxh) :HR7725 - 410 x 273 x 375
HR 7727 - 410 x 273 x 510
Automatic resettable cut-out (part of item 7) To prevent damage due to overheating, the appliance
has been equipped with an automatic cut-out system. This system will automatically cut off the power supply when the appliance overheats. If the appliance suddenly stops running:
Unplug the appliance
Set the knob to position 0
Let the appliance cool down for 15 minutes
Plug the appliance in again
Switch the appliance on again
Safety lock (item 1) Place the lid on the bowl in the right position.
The appliance will only function if the arrow on the applinace is directly opposite the mark on the lid of the food processor bowl and the same holds for the other accessoires. The built-in safety lock will now be deblocked and you can turn the appliance on. Note that if both the blender jar and the bowl have been correctly mounted, only the blender will function.
Important:
If the appliance is used without the blender jar, the appliance will not function if the screw cap has not been screwed onto the attaching hole for the blender.
Product meets the requirements regarding interference suppression on radio and TV.
After the product has been repaired, it should function properly and has to meet the safety requirements as laid down officially established at this moment.
Published by Philips DomesticAppliances andPersonalCare Printed in the Netherlands
4322 277 00095 99/12
PCS 101 301
©
Copyright reserved Subject to modification
SERVICE INFORMATION
HR 7725
A separate drawing shows how to disconnect the speed selection knob.
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.
2
HR 7727
Remove the Poti gear (item 32) by turning it clockwise until the arrows face each other.
The blender coupling on the motor shaft has been
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
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
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
1
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
national version. For specific versions, the component configuration may
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.
MAINS
MAINS
brown
blueRN
brown
blueRN
R1
470k
L2
470k
L1
C1
R1
Pulse
On/Off
C1
Q2
Speed High
and Pulse
Speed Low
R4
470k
Q1
M1
D1 1N5406
HR 7725
R5 1M
C2 68nF
HR 7727
N1
R2 1M
R3 27k
red
F2
brown
blackF1F2
violet N
L3
L1
N1
red
M
F2
F1
BF
B
Change-over switch
in braking position
brown
blackF1F2
violet N
Change-over switch
in braking position
white
yellow
F1
DAP0535
BF
B
Rotor
white
Rotor
yellow
DAP0536
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