Welcome to the Olympus hardware resource page. This page contains a collection of various pieces of service related information which I have acquired over the years.

IMPORTANT, PLEASE READ:
To the few people who feel they can take the information from this web site and sell it on eBay, don't bother. All the documents on this web site are watermarked and digitally signed, eBay will terminate any auctions which attempt to sell the material from this web site. It takes an enormous amount of time and effort to acquire these documents, scan them, and make them available. The documents on this web site are here for the benefit of the community, not for you to make a quick buck.
Mark Dapoz

The contents of this web site are now available on a CD. If you prefer to purchase a CD rather than download the manuals, please click here for the details.

WARNING: the information contained on this page is intended for use by qualified service technicians. Any use of this information is at your own risk.

Olympus OM-1 Service Manual [1] [2] [3] [4]	Olympus OM-2 Service Manual [1] [2] [3] [4] [5]	Olympus OM-4 Service Manual [1] [2] [3] [4]	OM-4Ti Service Manual Supplement	Olympus OM-10 Service Manual [1] [2] [3]
OM-2000 Service Manual	Camera Craftsman OM-1 Service Article	OM-2S SPT Article *	Winder 2 Service Manual	T-20 Technical Guide
F-280 Service Manual	OM-20 SPT Article *	35DC Service Manual

      * Reproduced with the kind permission of the Society of Photo-Technologists 

The following diagrams are official Olympus service diagrams. These exploded parts diagrams are primarily used for identifying individual parts and their part number.

8mm f2.8 16mm f3.5	18mm f3.5 21mm f2.0 21mm f3.5 24mm f2.0 24mm f2.8 28mm f2.0 28mm f2.8 28mm f3.5 35mm f2.0 35mm f2.8 35mm f2.8 Shift 25mm f4 (Pen F) 25mm f4 (Pen FT) 28mm f3.5 (FTL) 35mm f2.8 (FTL)	40mm f2 50mm f1.2 50mm f1.4 50mm f1.8 50mm f2 Macro 50mm f3.5 Macro 55mm f1.2 38mm f1.8 (Pen F) 38mm f1.8 (Pen FT) 40mm f1.4 (Pen F) 40mm f1.4 (Pen FT) 42mm f1.2 (Pen FT) 50mm f1.4 (FTL) 50mm f1.8 (FTL)	85mm f2.0 90mm f2.0 Macro 100mm f2.0 100mm f2.8 135mm f2.8 135mm f3.5 180mm f2.0 180mm f2.8 200mm f4.0 200mm f5.0 300mm f4.5 400mm f6.3 600mm f6.5 1000mm f11 70mm f2 (Pen FT) 100mm f3.5 (Pen F) 150mm f4 (Pen F) 250mm f5 (Pen FT) 135mm f3.5 (FTL) 200mm f4 (FTL)	28-48mm f4 35-70mm f3.5~4.5 35-70mm f3.5~4.8 35-70mm f3.6 35-70mm f4 35-70mm f4 Auto Focus 35-80mm f2.8 35-105mm f3.5~4.5 50-250mm f5 65-200mm f4 70-210mm f4.5~5.6 75-150mm f4 85-250mm f5 100-200mm f5 50-90mm f3.5 (Pen F) 50-90mm f3.5 (Pen FT) 100-200mm f5 (Pen FT)	20mm f3.5 38mm f2.8 38mm f3.5 80mm f4.0 135mm f4.5	1.4X-A 2X-A

M-1/OM-1 non-MD OM-2 OM-2n OM-2S OM-3Ti OM-3 OM-4 OM-4Ti OM-4 (Modern Photography Article) OM-10 Quartz OM-20/OM-G OM-30/OM-F OM-2000 XA 35 DC 35 EC-2 35 ECR C-35AD-4

T-10 Electronic Flash Head T-20 Electronic Flash T-28 Flash/Macro Shoe Ring T-32 Electronic Flash Diagram & Schematic T-45 Electronic Flash T-Power Control 1 QA310 Electronic Flash Diagrams & Schematic Bounce Grip Bounce Grip 2 Remote Sensor 6V Power Pack 2 F.AC Adapter AC Adapter 3

Motor Drive 1 Motor Drive 2 Winder 1 Winder 2 M.15V Control Pack 1/2 Control Grip 1 Relay Cord M.AC Control Box

Auto Bellows 65-116 Auto Tube Manual Extension Tubes Focusing Stage & Rail Varimagni Finder PM-LSD Illuminator

Recordata Back Recordata Back 2 Recordata Back 3 Recordata Back 4 250 Film Back 1

• Removing the OM-1/OM-2 Top Cover
• Removing the Foam Around the Prism of an OM-1/OM-2
• Adjusting the Focus on an OM-1/OM-2

• Inside Your Camera: Olympus OM-2

• How do I modify an OM-1/1n for a 1.5V battery? (PDF by Tim Hughes)
• How do I make an adapter for the 625 mercury battery? (PDF by Frans de Gruijter)
• How many different OM-4 circuits boards were there?
• How do you clean a focusing screen?
• Technical Information about 357 Batteries
• What is the long term reparability of an OM-1?
• Fixing winder battery pack and film advance problems
• How do I remove the OM-1 ASA dial
• How do I re-assemble the rewind knob of an OM-1/2/3/4?
• Fixing the OM-10 self timer
• OM-40(OM-PC) General Problems
• How do I take up the slack in the BG2 head so that it stays put?
• Fixing a Loose T-20 Calculator Panel
• How do I open a T-32 flash?
• Cleaning a 50mm f1.8 lens diaphragm
• Modifying the Olympus FBK01 flash bracket for externally triggered flashes (PDF by Tim Hughes)
• General information about lubricants
• Some recommendations for tools
• Some recommendations for treating leather

The following documents are provided as reference material which may prove useful.

• The Olympus OM Way Tables
• Winder 1 Schematic (Tim Hughes)
• 15V Control Pack + MD1 Schematic (Tim Hughes)
• 18V Control Grip + MD1 Schematic (Tim Hughes)
• T-45 Charger Schematic (Tim Hughes)
• T-45 Ni-Cd Pack Schematic (Bruce Kolber)
• Bounce Grip 2 Schematic (Tim Hughes)
• Adapting QA310 Flash for Low Voltage Triggering (Tim Hughes)
• 357 Type Battery Information (Tim Hughes)
• T-28 Flash Head Schematic (Tim Hughes)
• T-Power Pinouts (Tim Hughes)
• Information on using Tamron Adaptall Mounts with OM Bodies (Piers Hemy)
• Lens Coating Data  2001/06/19 (Paul Schings)
• Photomicro Instructions (Tim Hughes)
• E-20 (B-10LPB Li-Poly) Battery Pack (Tim Hughes)
• Compur Shutter Construction
• Olympus Patents:
  

  OM-4
  D 283,713	Single-Lens Reflex Camera Body
  D 282,932	Single lens reflex camera body
  4,355,874	Program EE Camera
  4,514,073	Automatic Exposure Control Camera
  4,589,754	Camera
  4,589,755	Camera
  4,589,757	Camera
  4,618,238	Camera
  4,272,176	Camera having an acoustic indicator for generating sounds to indicate the status of certain operating conditions
  5,010,359	Method and apparatus for photometry from plural points of automatic exposure camera
  5,126,779	Method and apparatus for successively generating photometric values
  OM-2
  3,987,468	Apparatus for synchronizing an electronic flash with a camera
  3,994,001	Photometric apparatus for single lens reflex camera
  4,001,845	Electrical shutter circuit for camera
  4,024,553	Electrical focal plane shutter with mechanical control arm mechanism operative upon electromagnetic failure
  4,064,617	Photometric apparatus for single lens reflex camera
  4,066,777	Photometric apparatus for single lens reflex camera
  4,074,290	Apparatus for synchronizing an electronic flash with a camera
  4,101,911	Exposure indicator for camera having electrical camera
  4,137,539	Single lens reflex camera
  Pen F
  3,250,195	Viewfinder for single-lens reflex camera
  3,251,287	Drive for rotary shutter used in camera
  3,257,922	Device for swinging a reflecting mirror in a single-lens reflex camera
  3,257,923	Shutter device for single-lens reflex camera
  3,464,340	Preset mechanism of diaphragm for single-lens reflex camera
  3,548,727	Device for determining an setting the proper exposure for a camera
  XA
  D 257,982	Camera
  D 257,983	Camera with strobo unit
  4,189,222	Camera with sliding case
  4,240,735	Protective cover for taking lens
  4,272,168	Photographic camera of automatic exposure control type
  4,273,434	Photographic camera
  Other
  D 283,331	Flashlight apparatus (T-45)
  D 283,624	Motor drive for cameras (MD2)
  2,983,205	Mechanism associated with exposure meter for controlling the diaphragm in the camera equipped with interchangeable lens
  3,075,441	Exposure controlling device for photographic camera
  3,106,882	Safety device for photographic camera
  3,108,522	Exposure controlling device for photographic camera
  3,157,100	Shutter devices for photographic camera
  4,080,612	Data display for strobo unit (QA-310)
  4,166,680	Strobo unit for camera (PS-200)
  4,190,335	Shutter controlling aid means for use with camera
  4,247,028	Suspension strap fastener for camera
  4,290,681	Programmed shutter device
  4,403,843	Switching assembly for focusing photosensitive elements of a camera