Philips HD7761/00/C Manual de usuario

Published by Philips Consumer Lifestyle Printed in the Netherlands © Copyright reserved Subject to modification

ServiceManual

Philips Consumer Lifestyle

Coffeemaker Grind & Brew

HD7761/00

HD7761/00/C

15/01

PRODUCT INFORMATION

Safety

• 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.

TECHNICAL INFORMATION

• Voltage : 220-240V

• Frequency : 50 Hz

• Power consumption : 1000W

• Color setting : Black / Metal

• Dimensions

Appliance H x W x D : 440 x 210 x 310 mm

F-Box L x W x H : 320 x 280 x 505 mm

• Cord length : 0,8 m

• Filter size : 1x4

• Contents

Jug (max.) : 1320 mL

Water container (min.) : 264 mL (2 cups)

Water container (max.) : 1320 mL (10 cups)

Avg. water loss during brew process : 10%

• Materials

Appliance : PP

Metal wrap : Stainless steel

Jug : Glass

Hoses : Silicon

• Brew time (max.) : 10 min

• Temperature (full jug) : > 80 °C

• Keep warm time : 120 minutes

• Auto Shut-off time : 30 mins

(/C version only)

= changed

HD7761/00 /C

2-15

Schematics

TECHNICAL INFORMATION

De-scaling

When the appliance indicates it needs to be descaled,

operate the coffeemaker a few times with vinegar or with

a 10-15% solution of either vinegar (acetic acid), citric acid

or tartar acid, into cold tap water.

Use a paper lter to catch any particles coming out.

Do not use other de-scaling agents as these may harm the

appliance.

If this procedure does not restore the function, then switch

off the coffeemaker when the acid is passing through. Keep

the appliance in this condition overnight and continue/

repeat the cleaning operation.

After the de-scaling procedure, operate the coffeemaker

twice with tap water in order to rinse any residual

substances.

Grinder

Valve

motor

UI PCBA

Main PCBA

Micro

switch

Micro

switch

Gate motor

Heat

Heater

Thermostat

Fuse

Micro switch

inspection

cover

Warm 2

Warm 1

Grind motor

CN2CN1

Power

cord

HD7761/00 /C

3-15

TECHNICAL INFORMATION

Self-Check mode

The appliance is equipped with a self-check mode, this enables you to quickly check the function of the main components of

the unit.

Keep the On/Off button pressed while

plugging the mains cord into the socket. Left side display

Hardware version 31

Press any other button

Software version A1

Press any other button

Heating element enabled 01

Press any other button

Heating element disabled 02

Press any other button

Grinder motor enabled 03

Press any other button

Grinder motor disabled + 6 Beeps 04

Press any other button

Microcontroller check 05

Press any other button

Zero-cross detection 06

Press any other button

Valve micro switches CL

Press any other button --

Inspection window micro switch L8

Press any other button H8

Thermostat 9L

Press any other button 9H

Rotary knob 2

Press any other button

Rotary knob rotate clockwise Increasing

Rotary knob rotate anti-clockwise Decreasing

LED check All digits on (Left side only)

Press any other button

LED check All digits off

Press On/Off button

Stand-by

HD7761/00 /C

4-15

REPAIR INSTRUCTION

Repair of this appliance should be carried out on part and or assembly level, most repairs can be allocated to a couple of main

components:

• Bean container

Disassembly instructions until Step 1.

• User interface assy

Disassembly instructions until Step 4.

When in the UI panel itself has been disassembled, please make sure the wire and flat cable seal is properly installed.

Upon reinstallation of the complete panel, please make sure the seal underneath the UI panel is put back.

• Main PCBA

Disassembly instructions until Step 4.

When only the PCBA needs replacement, skip steps 1 - 3. Upon reinstallation of the PCBA, please make sure the PCBA

holder slides back into its guiding recesses. Please note the position of the Grinder (DC-motor), and Synchro-motor

(AC-motor) leads, when reversed the appliance will not start up.

• Grinder

Disassembly instructions until Step 6, skip step 3 and 5.

It is not advisable to disassemble the grinder, as this will disrupt the grinders’ calibration. In production special tools are

used to adjust the grind-fineness to the optimal level.

• Synchro motor + valve and seal

Disassembly instructions until Step 6, skip step 3 and 5.

When the valve and or seal have been removed, please make sure that the seal does not get damaged, and that the seal gets

reinstalled correctly. The seal is critical to seal the grinder from steam coming from the coffee filter.

• Heater, bottom water supply

Disassembly instructions Step 4 and 5.

It is not advisable to disassemble the heater from the keep-warm plate. Heat-conductive paste should be applied to ensure

optimal heat transfer from the element to the plate, jug and coffee.

• Top water supply

Disassembly instructions Step 1 and 2.

The Silicon hose between the elbow joint and the showerhead does not need to be removed to uninstall this component,

when the hose does need replacement, make sure the hose clamps are put back properly, this is to prevent leakage.

When the showerhead has been removed it should be cleaned from any residual liquid gasket and new liquid gasket

(supplied in tubes of 45 g.) should be applied to ensure a proper seal.

• Complete Base, incl. metal wrap

Disassembly instructions Step 4 and 5.

The main PCBA and Heater assy need to be taken out completely, the base is screwed to the top by means of 6 screws.

HD7761/00 /C

5-15

DISASSEMBLY INSTRUCTIONS

Remove all removable and detachable items like the Bean

container lid, jug, lter holder and brush. The lter door

can be removed for convenience by undoing both latches

on the top and bottom side of the hinge.

Step 1: Bean container removal

To remove the complete bean container, remove the 4

screws (C) inside the bean container.

Step 2: Top cover removal

The top cover can be opened by removing the four screws

(F) located underneath the Bean container and the four

screws (G) accessible from the underside of the UI panel.

GGG G

Please note the cable connecting to the Inspection window

detection switch. The Water Level Indicator (WLI) cannot

be removed without damaging the Top cover. When the

top cover needs to be replaced the WLI can be reused,

when the WLI needs to be replaced a new top cover needs

to be ordered as well.

Step 3: UI panel removal

To be able to remove the UI panel, you need to disconnect

the leads to the Synchro motor, and the atcable to the

main PCBA. The UI panel is held in place by two screws

accessible from the top side of the appliance, and 5 clicks

accessible from the bottom side of the UI panel. Unscrew

both screws (J).

Undo the snaps by tracing the curve of the UI panel with a

at-head screwdriver, while pulling the UI panel upwards.

The UI panel can be disassembled, the rotary knob can

simply be pulled off, the rotary encoder is secured by a

single nut, remove the nut. The PCBA cover is held in place

by six screws (L), once unscrewed the PCBA can be taken

out. Please mind the rubber seal, preventing steam from

reaching the UI PCBA.

HD7761/00 /C

6-15

Step 4: Bottom cover & Main PCBA

To be able to replace the components in the top side of

the appliance (like the Grinder and Synchro motor), their

leads need to be disconnected from the main PCBA.To

reach the main PCBA, remove the six screws (P) in the

bottom cover, four of them are located underneath the

rubber feet.

P P

The PCBA is in the plastic box indicated in blue, some

leads need to be released before you can take out the

PCBA completely.

Step 5: Heater assy

To replace the heater assy disconnect the leads from the

main PCBA and the Silicon hoses from the pinions on the

heater. Only the four screws (O) indicated below hold the

heater assy (incl. keep warm plate) in place. The top silicon

hose is the cold water intake, the bottom silicon hose is

the hot water output. It connects to the top water supply.

Step 6: Grinder, Synchro motor and Water supply

To remove the Grinder, disconnect its leads from the

main PCBA and undo screws (U). To remove the Synchro

motor remove its leads from the main PCBA and undo

screws (V).The top water supply, consisting of the shower

head, silicon hose, elbow and riser pipe, can be removed

by undoing screws (S), only when the Silicon hose needs

replacement the clamps need to be undone.

DISASSEMBLY INSTRUCTIONS

HD7761/00 /C

7-15

REASSEMBLY INSTRUCTIONS

Basically the reassembly needs to take place tracing the

steps needed to disassemble the appliance. There are some

critical attention points:

All the gaskets in the appliance must be reinstalled properly

Gasket on top of the grinder

Gasket under the UI panel

Gasket of the UI panel

Gasket for the wires entering the UI panel

Gasket for the valve / Synchro motor

Gasket for the steam vent

Gasket for the steam base

HD7761/00 /C

8-15

REASSEMBLY INSTRUCTIONS

All the liquid seals, when broken, need to be replaced. This

includes cleaning the mating surfaces and applying sufcient

new liquid sealing.

Gasket of the Shower head

When the UI panel or Synchro motor has been removed,

special attention is needed to the proper wire routing from

top to bottom. All wires must pass through the slots as

indicated in red in the cross section below. They may not

be passed through the opening for the Grinder.

Bottom Cover

Upon reinstallation of the bottom cover, please mind that

the notch on the PCBA holder ts into the recess of the

bottom cover.

HD7761/00 /C

9-15

PARTS LIST

Pos Service code Description

1 Door assembly

110 9965 100 64722 Filterholder assy

120 9965 100 64767 Filterdoor assy

2 9965 100 64772 Jug assy

210 9965 100 64747 Jug lid

3 4222 459 48951 Brush

4 9965 100 66535 Bean container cover

5 9965 100 66534 Bean container assy

510 9965 100 64723 Ground neness knob

6 9965 100 64766 Grinder seal

7 9965 100 64752 Top cover assembly

710 9965 100 65253 Water lid

711 9965 100 65252 Inspection window

712 9965 100 65255 Seal

713 9965 100 64742 Water level indicator

720 9965 100 65254 Micro switch assy

8 9965 100 66533 User interface assembly

8 9965 100 71807 User interface assembly ASO

810 9965 100 64725 Cable seal

811 9965 100 64721 Back cover

812 9965 100 67115 UI PCBA

812 9965 100 71808 UI PCBA ASO

813 9965 100 64765 Seal

814 9965 100 64775 Front cover

815 9965 100 64762 Rubber ring

816 9965 100 64727 Pin

817 9965 100 67117 Ring button

818 9965 100 67116 Rotary cover plate

819 9965 100 67114 Rotary switch

820 9965 100 64731 On/Off button

Pos Service code Description

9 9965 100 64754 Steam vent seal

10 9965 100 64759 UI assy seal

12 9965 100 71806 PCB assembly in box

13 9965 100 64749 Heater element assembly

1315 9965 100 64719 Thermostat / Fuse

14 Base assembly

1411 9965 100 64729 Base plate

1412 9965 100 64736 Foot

15 9965 100 64746 Grinder coarseness adjustor assy

16 Water supply assembly

1610 9965 100 64733 Elbow

1612 9965 100 64763 Shower head

1614 9965 100 64748 Riser pipe

17 Valve motor assembly

1710 9965 100 64761 Valve motor

1711 9965 100 64732 Bracket + Switches

1712 9965 100 64757 Switch actuator

18 9965 100 64777 Filter locker kit

19 9965 100 64764 Grinder assembly

20 9965 100 64758 Top housing

21 9965 100 64771 Valve seal kit

22 9965 100 64768 Valve kit

2310 9965 100 64773 Bottom housing

24 9965 100 71915 Clamp

25 9965 100 71917 Hose Tank to Heater incl. valve

26 9965 100 71844 Shower head seal

27 9965 100 71916 Hose Heater to Shower head

28 9965 100 72826 Power cord (EU)

= changed

HD7761/00 /C

10-15

111

112

113

114

122

121

127

123

124

126

125

110

210

211

120

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