Philips HX 7551 Service Manual
Sonic toothbrush
HX7551
Philips Domestic Appliances and Personal Care
Service Manual
PRODUCT INFORMATION
- Smartimer
Automatically sets the brushing time to 2 minutes.
After these 2 minutes the product switches off
automatically. If you wish to pause, or stop brushing
during the 2- minute cycle, press the on/off button.
When you press the on/off button again, the Smartimer
will pick up where you left off.
- Easy-start
The brushing power will gently increase to full power
over the first 14 brushings.
The Easy-start feature is active if you hear 2 beeps
immediately after turning on your toothbrush.
Once you reach the optimal brushing power, after the
14th brushing, you will no longer hear the double beep
at the beginning of the brushing routine.
Easy-start can also be switched off.
To deactivate and to reactivate the Easy-start feature, see
the directions for use
- Extra-soft bristles
Extra-soft, rounded bristles ensure deep, yet gentle
cleaning
- Quadpacer
The Quadpacer feature ensures that you brush all
sections of your mouth evenly and thoroughly.
At 30-second intervals (at 30, 60 and 90 seconds in case
of a 2-minute brushing cycle), you will hear a short beep
and notice a brief pause in brushing action. This is the
signal to move to the next section of your mouth
- Programmable Quadpacer
The programmable Quadpacer allows you to customise the
performance of the Quadpacer in one of the 3 ways.
- You can opt to keep the factory default setting of the
2-minute brushing time with Quadpacer beeps activated.
- You can opt to keep the factory default setting of
the 2-minute brushing time with Quadpacer beeps
deactivated.
- You can extend the brushing time to 2.5 minutes, by
adding an additional 30-second interval.
- Dual speed control
Allows you to choose between 2 speed settings, normal
speed for optimal brushing performance or reduced speed
when an even more gentle brushing action is desired.
- Battery charge indicator
If the battery charge of your toothbrush is too low, you
will hear 3 beeps after you have brushed your teeth for
2 minutes and the charge indicator LED will blink yellow
for 30 seconds. When the handle is placed in the charger,
the green charge indicator LEDs will blink in a rising
pattern as the battery charges. The number of blinking
LEDs indicates the level to which the battery has been
charged.
Safety information
- This 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
officially laid down at this moment.
Published by Philips Domestic Appliances and Personal Care Printed in the Netherlands © Copyright reserved Subject to modification
04/04
TECHNICAL INFORMATION
- Voltage : 110 - 120V, 230 - 240V, 50 - 60 Hz
- Power consumption : 110 - 120 V 1.5 Watts,
230 - 240 V 3 Watts
- Speed (Top) : Approximately 31,000 brush
strokes per minute
- Charging time : Empty to full : 20 hours
- Operating time : Full to empty : 40 minutes
- Battery type : NiCd
REPAIR INSTRUCTION
- Handle toothbrush (4)
The batteries inside cannot be replaced. In case of a defect,
the complete unit must be replaced.
- Charging unit (2)
In case of a defective charging unit or cordset, the complete
charging unit must be replaced.
- Charging the Handle (4)
The handle should be charged for at least 24 hours during
the first few days of use.
HX7551
Environment
1. Deplete the battery of any charge.
2. Remove the soft-touch
rib by inserting a screwdriver under it and
breaking it out.
3. Remove the nut from the
brush head and place it
A
B
4.
onto the handle.
Tighten the nut onto
the handle (A) until the
housing comes loose and
then pull the nut forward
(B).
= changed
5.
DISASSEMBLY- AND RE-ASSEMBLY ADVISE
- No specific issues
OPTIONAL (accessories)
- No specific issues
2-3
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