Nakamichi 700 Manuals

Manuals and User Guides for Nakamichi 700. We have 2 Nakamichi 700 manuals available for free PDF download: Service Manual, Operating Instructions Manual

Nakamichi 700 Service Manual (97 pages)

Cassette system

Brand: Nakamichi | Category: Cassette Player | Size: 7.74 MB

Contents
2
General
4
Front View
4
Top View
5
Adjustment Panel
5
Dolby NR Level Calibration
5
Principle of Operation
6
Mechanisms
6
3-Head Configuration
6
Head Housing
6
Double Capstan Tape Drive
7
Reel Drive Mechanism
8
Play Mode
8
Fast Forward and Rewind Mode
8
Clutch Mechanism
8
Play Movement
9
F.fwd & REW Movement
9
Amp. Circuits
10
Rec. Dolby Circuit
10
Record Dolby Processor Circuit Diagram
11
Working Principle of Dolby Circuit
11
P.B. Dolby Circuit
12
Record Dolby Processor System Diagram
12
Playback Dolby Processor Circuit Diagram
13
Playback Dolby Processor System Diagram
13
Dolby Processor Frequency Response
14
P.B. Head Amp.
15
Playback Amp. Circuit Diagram
15
MIC Amp.
16
Playback Amp. System Diagram
16
MIC Amp. Circuit Diagram
17
Mixing Amp. and Limiter
18
Limiter Characteristics
18
Mixing Amp. and Limiter Circuit Diagram
19
Rec. Eq. Amp.
20
Record/Playback Frequency Response
20
Rec. Eq. Amp. Circuit Diagram
21
Bias Osc. and 400Hz Osc.
22
Line Amp. and Meter Amp.
23
Meter and Line Amp. P.C.B. Circuit Diagram
23
Power Supply
24
Power Supply Circuit Diagram
24
Mechanism Control Circuits
25
Logic Control
25
Main Characteristics of TTL IC
25
Gate Logic
25
Gated Flip-Flop
26
Schematics and Block Diagrams
27
Compatible Ics
27
Logic Signal
28
Logic Operating Status
28
Initial Preset
28
Stop Mode
28
Record Mode
29
Pause Mode
29
Fast Wind Mode
29
Mute Signal
29
Drivers and Other Signals
30
Head Base Plunger
30
Reel Motor
30
Brake Plunger
30
Shut-Off Detector Inhibition Signal
31
Logic Status
31
Shut-Off Sensor and Detector
32
Shut-Off Sensor and Detector Circuit Diagram
33
Shut-Off Timing Chart
33
Azimuth Alignment Detector
34
Azimuth Alignment Circuit Diagram
35
Azimuth Alignment Detector Timing Chart
36
Motor Governor
37
Motor Governor Timing Chart
38
Motor Governor Circuit Diagram
39
Mechanism Control Overall Block Diagram
40
Dismantling
41
Front Panel Ass'y
41
Rear Drive Mechanism
41
Flywheel Ass'y
41
Check-Out Procedures
42
Check-Out Procedures for Inspection
42
Check Methods
42
Measurement and Maintenance Instruments
43
Measurement Connection
44
Measurement Instruments
45
Mechanism Measurements and Adjustments
46
Fast Forward and Rewind Torque Adjustment
46
Headblock
46
Head Replacement Procedures
46
Head Height Adjustment
47
Playback Head Adjustment
47
Record Head Adjustment
48
Flywheel Adjustment
48
Tape Travelling Adjustment
48
Check-Out Method
48
Adjustment of Reel Drive Mechanism Ass'y
49
Damper Adjustment
49
Head Base Damper
49
Eject Damper
49
Electrical Measurements and Adjustments
50
Tape Speed
50
Meter Level Calibration
50
400Hz Test Tone
50
Limiter Level
51
Playback Level Calibration
51
Playback Frequency Response
51
Bias Oscillator Frequency
51
Record Amp. Bias Trap
52
Playback Amp. Bias Trap
52
Recording Equalization Peaking
52
Alignment Beacon Phase Adjustment
52
Record Bias and Record/Playback Level
53
Record Dolby Board
54
Playback Dolby Board
54
Signal to Noise Ratio Measurement
54
Channel Separation Measurement
54
Erasure Measurement
55
Total Harmonic Distortion Measurement
55
Wow/Flutter Measurement
55
Adjustment of Playback Frequency Response
55
Adjustment of Overall Frequency Response
56
Parts Location for Electrical Adjustment
57
Adjustment Table
57
Rear View
57
Trouble Shooting
58
Does Not Fast Wind
59
Does Not Pause
59
Brake Does Not Operate
59
Logic Control Does Not Opearte
59
Great Mechanical Noise
60
Sound Is Distorted
60
Signal to Noise Ratio Is Deteriorated
60
High Frequency Is Deteriorated
60
Table for Common Use of Semi-Conductors
62
Mechanism Assembly / Parts List
63
Chassis Assembly
64
Cabinet Assembly
65
Mechanism Assembly
66
Rear Panel Assembly
70
Head Mount Base Assembly
70
Auto Shut-Off Assembly
71
Mount Base Cover Assembly
71
Motor Chassis Assembly
71
Mounting Diagram / Parts List
76
Main P.C.B.
76
P.B. Dolby P.C.B.
78
Rec. Dolby P.C.B.
79
P.B. Head Amp. P.C.B.
80
Switch P.C.B.
81
Front Control P.C.B.
82
Logic Control P.C.B.
84
Motor Governor P.C.B.
86
Shut-Off Sensor P.C.B. and Shut-Off Luminous P.C.B.
86
Head Base Sw. P.C.B.
86
Wiring Diagram
88
Level Diagram
90
Eq. Amp. Frequency Response
90
Block Diagram
91
Schematic Diagram
91
Amplifier
92
Specifications
95

Nakamichi 700 Operating Instructions Manual (16 pages)

3 Head Cassette Deck

Brand: Nakamichi | Category: Cassette Player | Size: 1.1 MB

Table of Contents
2
Control Functions
3
Connection
5
Playback Procedures
6
Before Recording
7
Level Calibration
8
Recommended Cassette Tapes and Tape Selector Switch
9
Record Procedures
10
Additional Recording and Playback Techniques
11
Peak Level Db Meter
12
Dolby Noise Reduction System
13
Trouble Shooting Chart
14
Specifications
15
Optional Accessories
15

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Nakamichi 700 Manuals

Nakamichi 700 Service Manual (97 pages)

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Nakamichi 700 Operating Instructions Manual (16 pages)

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