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Service Manual

Philips Domestic Appliances and Personal Care

Published by Philips Domestic Appliances and Personal Care 

Printed in the Netherlands 

© Copyright reserved 

Subject to modification

  

Rechargeable 

shaver

HQ 5818

SAP coding HQ 5818

4322 277 00705
02/05

GENERAL

The HQ 5818 shaver can be recharged in 1 hour by 
means of a ‘Fly Back Self Oscillating Power supply’.
This electronic circuit enables the battery to be 
charged at 100-240V, 50/60Hz.
It is possible to have a shave directly from the mains.
The green LED comes on when the shaver is 
connected to the mains and will blink to indicate that 
the battery is fully charged.

The electronic circuit incorporates the following 
functions and controls:
-  a 900 mA Quick Charge supply
-  a 30 mA Trickle Charge supply
-  a 1.25V Dynamic supply when shaving from 

the mains.

-  an open cell protection (Vbat < 2.5V)
-  an inrush and surge protection (R1).
-  a temperature protection of the battery.

(if Tbat - Tamb > 5°C or if Tbat > 65°C, 
charging will switch-over from quick charge to 
trickle charge).

TECHNICAL DATA

Input voltage 

:  100-240V 

Motor voltage 

:  1.2V 

Battery 

:  1x AA NiMH

Cell capacity 

:  approx. 1100 mAH

Charging system 

:  S.O.P.S.

Charging time 

:  approx. 60 mins

 

  initial 4 hours

Charging current 

:  900/30 mA

Charging indicator 

:  1x LED green

Comfort control 

:  fi xed setting

 : 

contour 

following

Shaving heads 

:  HQ5 - 4822 690 30481

Screwdriver T8 

:  4822 395 50263

R1

D1

C1

C2

100-240V

D2

T1

D3

20

C6

C8

A

1X
AA

NiMH

13

L1

R7

SK1

PM

D9

C9

R16

Drn
Vac

17

1

2

18

3 Vin

Creg

Vic

Vat

IC1

TEA1402T

19

5

7

C3

Vtacc

Vtamb

10

9

C4

R5

R6

R10

R9 

Cosc

Gnd

LED

Mot

Rsec

Rref

Src

6

8

D6

R17

11

12

14

4

16

R2

R3

R4

15

D4

D7

PM

R14

R15

TS2

D5

C7

5090

C5

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