Philips HR7781/10 User manual

ServiceManual
Philips Consumer Lifestyle
Published by Philips Consumer Lifestyle Printed in the Netherlands © Copyright reserved Subject to modification
Foodprocessor
HR7781/10
10/07
PRODUCT INFORMATION
A new food Processor especially designed to minimize
cleaning effort, leaving you with more time to enjoy
cooking and dining!
- 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.
DISASSEMBLY- AND RE-ASSEMBLY ADVISE
- No specific issues.
OPTIONAL (accessories)
- No specific issues.

HR7781/10
2-4
- Electronics : µP controlled with special speed ramp up profile.
- Motor : AC Motor 1000 - 1200 W, with speed sensor.
- Speeds & Gearing : Planetary gearbox i = 1 : 5
2 speeds => 3000 / 600 rpm
10000 / 2000 rpm
(motor / application)
- Safety system : Traditional mechanical safety system for Bowl + Lid detection.
- Bowl fixation : Traditional system via bayonet.
- Drive and fixation tools : Via „auto fix“ coupling system.
- UI - switches : 4 push buttons 0-1-2-P
- Cord set : Free length 1,5 m.
- Cord storage : Wound up on the base of the motor unit.
- Tools : Chopping tool
Kneading tool
Whisking tool
4 discs : slicing /shredding fine
Product size:
- Diameter base : ~ 237 mm (lower edge)
- Height overall : ~ 460 mm
- Excess length of handle : ~ 60 mm
- Weight : 8,5 kg
Material descriptions:
- Bottom : PP
- Rubber feet : EPDM Rubber shore (A) = 40-45
- Housing : Alu die cast
- Plastic interface to Bowl : ABS
- Motor coupling : Stainless steel / Pressed Alu, anodized
- Big plastic Bowl : PC - Makrolon 2856
- Big Bowl Handle : ABS
- Big Bowl Lid : PC - Makrolon 2856
- Pusher : PC - Makrolon 2856
- Chopping /kneading /whisking tool : Hostaform C9021 & Stainless steel
- Chopping knife protecting cap : PET
- Discs : Hostaform C9021 & Stainless steel
- Toolholder : Pressed Alu, anodized
TECHNICAL INFORMATION

HR7781/10
3-4
MOTOR REPAIR
1. step: remove bottom
- Pull the 2 glued rubber studs from Bottom.
- Open screws (6x) with a philips screw driver.
After that you can remove the bottom from appliance.
2. step: remove airtunnel bottom
- Open the screws with a philips screw driver.
3. step: now you can check the motor
Serial number explanation:
- The serial number can be identified on the typeplate
sticker.
See example below
HR7781
/10/ AH
220-240V~50-60Hz 1200 W
MADE IN HUNGARY
DA00YYWWD xxxxx
AE 68
Unique appliance ID combined with production date:
DA00YYWWD XXXXX
DA (Domestic Appliances)
/10 (used for major technical changes)
YY (Year)
WW (Week)
D (Day / 1 = Monday)
XXXX|X (serial number, 5-digits starting at 0001 at first day
of each production week)
Device interconnection diagram
Main PCBA
User Interface PCBA
3x 0,75
3x
0,75
6
3x 0,75
Brake
switch
3
3
Main
switch
MG
3
2x 0,75 (L, N) 1x PE

HR7781/10
4-4
PARTS LIST & EXPLODED VIEW
4
8
9
12
10
2
1
3
5
6
7
11
Pos Service code Description
1
2
3
4
5
6
4203 035 90030
4203 035 89500
4203 035 89510
4203 035 89520
4203 035 89530
4203 035 89540
Pusher
Bowl Lid assy
Bowl assy
Toolholder
Combi shredding disc
Combi slicing disc
Pos Service code Description
7
8
9
10
11
12
4203 035 89550
4203 035 89560
4203 035 89570
4203 035 89580
4203 035 89590
4203 035 93251
French fry disc
Chopping knife + Protection
Kneading tool
Whisking tool assy
Balloon beater assy
Power unit Assy EEu