Philips HD7761/00/C User manual

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.
M
Grinder
M
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
N
N
L
CN2CN1
L
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 --
OP
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.
C
C
C
C
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.
FF
F
F
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).
JJ
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.
PP
P P
PP
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.
O
O
O
O
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.
UU
U
U
T
T
S
V
V
S
S
S
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
3
126
125
B
B
A
A
A
110
210
211
2
1
120
EXPLODED VIEW