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Nikon F3 Repair Manual
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2
Table of Contents
Details of FPC Modification
2
Difference between the Old Shutter Release Switch and the New One
3
Release Button Stroke
4
Crossreference of Installing Combination of FPC and Shutter Assembly
5
Specifications & Mechanism
6
Figure of External
7
Specification
8
Outlines of Mechanism
11
Film-Advance Mechanism
11
Counter Switch Mechanism
12
Closing Curtain Switch & Film-Advance Limit Mechanism
13
Shutter-Releasing
14
Completion of Release
14
Troubleshooting
14
Multi-Exposure Mechanism
15
Multi-Exposure Setting
15
Winding Operation
15
Cancellation
15
Shutter-Release Magnet & Shutter-Release Mechanism
16
Shutter Cocking
16
Mirror Mechanism
17
Main Components
17
Main Features
17
Air Damper System
17
Mirror-Cocking Mechanism
18
Mirror-Releasing
18
Shutter Switch & Mechanism
19
Metering Mirror
19
Outlines
20
Mechanical Shutter Release by the Shutter-Release Knob
26
Time Operation for Extra-Long Exposure
27
Disassembling
29
Chart of Disassembling Procedure
31
Film-Advance Lever
32
Rewind Crank
33
Top Cover, Rewind Side
34
Display Block
35
Bottom Cover
36
FPC (Unsoldering)
37
Rewind Lever
38
Spool
38
Film-Advance Signal Unit/Multi-Exposure Axle
39
Front Plate
40
Front Plate Assembly
41
Combination Magnet
42
Shutter Switch
42
Mechanical Release Lever
42
Mirror Holder
43
Mirror Box Unit, Rewind Side
43
Take-Up Gear Unit
44
FPC Holder
44
Shutter Speed Selector
45
Sprocket
45
Incomplete Gear
48
Connecting Shaft/Shutter Unit
49
Unit, Film-Advance Completion Signal
52
Connecting Shaft
56
Switch, Film-Advance Completion Signal
57
Take-Up Stopper Engagement & Contact
58
Take-Up Gear & Incomplete Gear
59
Lower Gear Connecting Shaft, Rewind Lever & Axle, Multi-Exposure
60
Sprocket Gear, Lower Spool Shaft & Unit Base, Sprocket
61
Unit, Take-Up Gear
62
Sprocket Gear Engagement
63
Plate, Sprocket Lower Gear Engagement
63
Sprocket Teeth Positioning
64
Film-Advance Mechanism Check and Adjustment
66
Coupler, Multi-Exposure
67
Mirror Cocking Lever
68
Shutter-Release Button Stroke
69
FPC Installation
71
Precautions of FPC
71
Installation
72
Lead Wire Soldering
73
Liquid Crystal Display Operation Checking
73
Body Assembly & Front Plate Assembly
74
Checking Procedures after Front Plate Assembly Installation
75
Reflex-Mirror Operation
75
Mirror-Rising Position
75
Mirror Lock-Up Position
75
Lead Wire Soldering from Front Plate Assembly
76
Unit, Rewind Shaft
77
Display Block, Exposure Information
78
Electrical System Operation Check
79
Power Switch
79
Shutter-Release
79
Self-Timer
79
Counter Switch Adjustment Procedures
81
Shutter & Meter Accuracy Adjustments
82
Checking Sequence
83
Location of Variable Resistor for Adjustment
84
Battery Checker Voltage Adjustment
84
Manual Shutter Speed of 1/2000 Sec. Check/Adjustment
85
Delay-Time Adjustment
86
Tolerance Limit of Manual Shutter Speed
86
Automatic Shutter Speed Control Adjustment
87
FRE Adjustment
88
Automatic Shutter Speed Control Shift Adjustment
89
LCD Auto Adjustment
90
LCD Auto Level Adjustment
91
LCD Manual Adjustment
92
LCD Manual Shift Adjustment
93
Speedlight Level Adjustment
94
Ready Light Operation Check
94
Top Cover, Wind Side
96
Unit, Mirror-Box
100
Mirror Holder and Unit, Mirror-Box Actuating
101
Front Plate Unit
103
Adjustments of Mirror 45 Angle, Infinity Focus and Parallax
104
Infinity Focus
104
Parallax Error
104
Front Plate Unit Check/Adjustment
105
Main Lever
105
Contact Blades
106
Height of Aperture Lever
106
Shutter-Speed Selector
109
Shutter-Speed Selector Circuit Check
111
Gray Code Check
111
Manual Setting and Auto-Manual Changeover
111
Shutter Curtains Replacement
112
Electric Circuit
114
Precautions
116
Checking Lands and External Figures of Main Parts
117
Ceramic, Exposure Information
120
Reistor Block
132
Outlines of Shutter Control System
135
Power Supply
135
Power Circuit
136
Timing Chart of Power Circuit
136
Shutter Release
137
Shutter Release Circuit
138
Timing Chart of Shutter Release Circuit
138
Auto Shutter Speed Control
139
Auto Shutter Speed Control Circuit
140
Exposure Timee on Auto
140
Checking Lands in Auto Control Circuit
142
Checking Lands in Manual Control Circiut
142
Manual Shutter Speed Control
143
Exposure Information Display on Manual
145
Connection with Motor Drive
147
Frame-Counter
149
Speed-Light
149
Viewfinder Illuminator
149
Troubleshooting Chart
151
Shutter Fails to be Released
151
Shutter Provides Only the Time Operation
153
Shutter Delivers Only the Speed of 1/2000 Sec.
155
Shutter Speed Delivery Is Unstable on Auto
157
Check Points after FRE Shift Adjustment Is Made
158
Shutter Speed Delivery Is Unstable on Auto and Manual
159
LCD will Not Change
163
Troubles of LCD
164
Troubles of Self-Timer
166
Causes
167
Inspection Standard for Repair
178
Tool List
188
Other manuals for Nikon F3
Instruction Manual
47 pages
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Nikon F3 Specifications
General
Lens Mount
Nikon F mount
Film Format
35mm
Flash Sync Speed
1/80 s
Viewfinder Coverage
100%
Shutter Speed
8s to 1/2000s, Bulb
ISO Range
ISO 12 to 6400
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