Philips HQ4821A Service Manual
Rechargeable shaver
Service
Service
Service
!Service Information
Domestic Appliances and Personal Care
R1 |
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L1 |
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T1 |
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D1 |
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D7 |
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A |
C6 |
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C1 |
C2 |
R2 |
D2 |
R13 R12 |
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C5 |
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2xAA |
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M |
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D3 |
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R11 |
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NiCd |
SK1 |
D9 |
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D6 |
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R3 |
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R8 |
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TS1 |
R5 |
TS2 |
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TS3 |
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D5 |
D4 |
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TS5 |
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R10 |
R9 |
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R4 |
R7 |
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TS4 |
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R6 |
R14 |
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C3 |
C4 |
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5088 |
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GENERAL
The HQ4821 shaver can be recharged in 8 hours 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 only illuminates when the shaver is connected to the mains.
The electronic circuit incorporates the following functions and controls:
-a 1200 mA Quick Charge supply (Vbat < 2.4V)
-a 15 mA Slow Charge supply (Vbat > 2.4V)
-a 2.5V Dynamic supply when shaving from the mains.
-an open cell protection (C5)
-an inrush and surge protection (R1).
TECHNICAL DATA |
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Input voltage |
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100-240V |
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Motor voltage |
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2.4V |
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Battery |
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2x AA NiCd |
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Cell capacity |
: approx. 600 mAH |
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Charging system |
: S.O.P.S./volt. control |
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Charging time |
: approx. 8 hours |
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initial 24 hours |
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Charging current |
: 1200/15 mA |
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Charging indicator : |
1x LED green |
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Comfort control |
: fixed setting |
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Shaving heads |
: HQ4 - 4822 690 30468 |
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Screwdriver T8 |
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4822 395 50263 |
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SAP Coding |
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HQ4821 |
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Published by Philips Domestic Appliances and Personal Care Printed in The Netherlands © Copyright reserved Subject to modification
4322 277 00186 00/01
HQ 4821/A
1
2 
3
4
5
Z
A2
1.8x10/T8
+ -
14 
15
15+16
17 X 
18
Y
NiCd
24
6
7
819
20
921
22 |
A1 |
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1.8x10/T8 |
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10 23
11
12
13
1 |
4822 441 11276 |
Protecting cap |
16 |
4222 036 02390 |
Motor connector |
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2 |
4222 036 01980 |
Head holder |
17 |
4822 277 21689 |
On/off switch |
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3 |
4822 690 30468 |
HQ4 shaving head |
18 |
4222 036 02400 |
Power module |
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4 |
4822 404 40728 |
Retaining bracket |
19 |
4822 401 11805 |
Battery clamp |
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5 |
4222 036 02380 |
Housing |
20 |
4822 138 10727 |
NiCd cell 2xAA |
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6 |
4222 036 02370 |
Inlet |
21 |
4222 036 02420 |
Cover |
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7 |
4222 036 02920 |
Hairchamber |
22 |
4822 321 10095 |
Flex EU |
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8 |
4822 522 32852 |
Gearwheel |
- |
4822 321 10096 |
Flex GB |
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9 |
4822 404 40656 |
Lever |
- |
4222 036 02480 |
Flex ROK |
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10 |
4822 441 11275 |
Frame |
- |
4822 321 10344 |
Flex USA/CDN |
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11 |
4822 522 32851 |
Pinion |
23 |
4822 479 30183 |
Cleaning brush |
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24 |
4822 466 12236 |
Foam plate |
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12 |
4822 361 20936 |
Motor |
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13 |
4822 492 63165 |
Motor clamp |
A |
4822 502 30526 |
S.t. screw 1.8x10/T8 |
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14 |
4822 690 10081 |
Trimmer |
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4222 036 02120 |
Pouch |
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15 |
4822 130 34167 |
Zener diode |
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