Leica M500 N Bedienungsanleitung

Service manual Leica M500 N, M520,

M525

10 665 751 – Release 09/2007

Table of contents

1. Technical Description

2. Wiring Diagram and Locations

3. Service Programs

4. Fault Finding

5. Replacing Modules

6. Maintenance Service

7. Inspection

8. Spare Parts

Release 09/2007

• First edition

Service manual Leica M500 N, M520, M525 Description

Doc Code 10 665 751 1-I 08/2007 Gahe

1. Description - Leica M500 N, M520, M525

Table of content

Chapter Page

System description 1-1

General 1-1

Overview control unit 1-1

Overview optics carrier 1-2

Electrical accessories 1-3

Optical/mechanical accessories 1-3

Configuration M525 systems 1-4

Product history M500 N…M525 1-5

Electrical description 1-7

General 1-7

CAN bus 1-8

Optics carrier 1-9

Control unit 1-11

Technical data M525 1-13

Description Service manual M500 N, M520, M525

08/2007 Gahe 1-II Doc Code 10 665 751

Service manual M500 N, M520, M525 Description

Doc Code 10 665 751 1-1 08/2007 Gahe

Description of the Leica M500 N, M520, M525

System description

General

The Leica M500 N / M520 /M525 surgical microscope is an optical instrument which uses magnification and

illumination to improve visibility. It is dedicated mainly for Neurosurgery discipline.

The microscope is always used together with a Leica stand system – refer to product history on page 1-5.

Electrically the optics carrier and the control unit are connected together to the stand system by the CAN bus.

Newer generations of stand systems (like OH4) have their own MDC (microscope device controller) and take over the

task of the M500 N control unit.

Overview control unit M500 N / M520

Display

Switch panel

with 9 keys

Electrical

interfaces

Power inlet*

Power switch*

Grounding socket*

* Only for control

unit with internal

power supply

Description Service manual M500 N, M520, M525

08/2007 Gahe 1-2 Doc Code 10 665 751

Overview optics carrier M525

Drive illumination diaphragm

(M525: Iris override)

M525 only: Iris reset

Handgrip interface

WD lock button

LED WD lock indication

Display WD (M520/M525)

Manual drive WD

Manual drive zoom

Interface for

rotective

lass

Laser interface

Fiber optics interface

CAN interface

Service & CAN res

A/B slide

Dovetail interface

Service manual M500 N, M520, M525 Description

Doc Code 10 665 751 1-3 08/2007 Gahe

Electrical accessories

- All Leica hand- and footswitches fit to the control unit M500 N / M520 (restriction for 16 function switch – it is

handled as a 12 function switch only)

- CAN handle

- DI C500

- Autofocus device

- Fluorescence devices (available for some stand systems only)

Optical/mechanical accessories

- All optical equipment with dovetail interface fit to the optics carrier. Refer to appropriate stand user manual

for allowed loads and configurations

- Interface for protective glass 10 446 058

- Interface for universal Laser adapter 10 448 079 (M520 & M525)

- Interface for universal Laser adapter 10 446 615 (M500 N)

- Sterilisable knobs

- Interface for right handgrip

- Interface for fiber optic

Description Service manual M500 N, M520, M525

08/2007 Gahe 1-4 Doc Code 10 665 751

Current configurations Leica M525 (state 08/2007)

M525

C40/CT40

M525 MC1

M525 MS3

M525 F40

10448169 control

unit

10448068 control unit

10448144 control

unit

10448237 M525

optics carrier

(with A/B-slide)

10448238 M525

optics carrier

(

no A

B slide

)

M525 OH4

10448236 OH4

stand s

stem

Control unit M520 not used

anymore - a new controller

is integrated in OH4 system

Service manual M500 N, M520, M525 Description

Doc Code 10 665 751 1-5 08/2007 Gahe

Product history Leica M500N - M520 - M525

Date / event Description: Remark

1997 / Launch M500 N

10 446 481 M500 N optics carrier

10 446 489 control unit

For stand systems OHS1, MS1,

MC1

02/2001 / product change in optics

carrier

10 446 757 M500 N optics carrier

replaces 10 446 481

New emergency drive for zoom

07/2001 / Launch with MS2

10 446 757 M500 N optics carrier

10 446 489 control unit

Additional for MS2 stand system

11/2002 / Launch with OH3

10 711851 control unit for OH3

10 448 019 M500 N optics carrier

(without A/B slide)

Additional for OH3 stand system

04/2003 / Launch with MS3 10 446 757 M500 N optics carrier

10 446 489 control unit

Additional for MS3 stand system

10/2003 / Product change in optics

carrier: New M520 optics carrier

10 448 029 M520 optics carrier

replaces 10 446 757 for MS2, MS3,

OHS1;

10 448 035 M520 optics carrier

(without A/B slide) for OH3

replaces 10 448 019;

Upgrade kit was available:

10 712 316, upgrade kit M500 N to

M520 optics carrier; description 10

665 687;

(10 446 757 to 10 448 070;

10 448 019 to 10448 071)

New illumination unit and new

multifoc objective : More light

30%, increased working distance

from 407 to 470mm, display for

working distance, improved

illumination optics – lead free

glass.

Zoom unit : new diaphragm (10 712

255) for better depth of field -

reduced diameter to 12mm.

New Lemo plug instead fixed CAN

cable – external cable required.

For stand systems OH3, OHS1,

MS3, MS2, MS1, MC1

07/2004 / Launch M520 F40 10 448 029 M520 optics carrier for

F40, 10 448 068 control unit for F40

Control unit without power supply

and with new holder

03/2005 Product change of control

unit: removed power supply

10 448 144 control unit replaces

10 446 489

All stand systems from 03/2005 on

can provide 24V;

09/2005 Product launch M520 C40

and CT40

10 448 029 M520 optics carrier and

new control unit 10 448 169 for C40

and CT40

Control unit compatible, but with

new holder

07/2006 Product change in M520

optics carrier

10 448 029 M520 optics carrier and

10 448 035 M520 optics carrier

with new zoom unit

Paint on zoom lenses as a

diaphragm

Description Service manual M500 N, M520, M525

08/2007 Gahe 1-6 Doc Code 10 665 751

09/2006 Product change to M525

optics carrier

10 448 237 M525 optics carrier

replaces 10 448 029 for MC1, F40,

MS3, C40, CT40

10 448 238 M525 optics carrier

(without A/B slide) replaces

10448 035 for OH4

Upgrade kit available for limited

time:

10 714 461 Upgrade kit M520 to

M525; description 10 665 743

(10 448 029 to 10 448 246;

10 448 035 to 10 448 247)

New illumination unit, additional

AutoIris function, new motor

controller, removed illumination

zoom.

For stand systems OH4, MS3, MC1,

F40, C40, CT40

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