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Cassette Player
ZX-7
Service manual
Nakamichi ZX-7 Service Manual
Discrete head cassette deck
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Also See for ZX-7
:
Owner's manual
(52 pages)
,
Owner's manual
(27 pages)
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Table Of Contents
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Contents
Table of Contents
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Table of Contents
Contents
General Information
Control Functions
Removal Procedures
Top Cover Ass'y Removal
Bottom Cover Ass'y Removal
Cassette Case Cover Ass'y Removal
Front Panel Ass'y Removal
Mechanism Ass'y Removal
Logic & Power PCB Ass'y Removal
Dolby NR PCB Ass'y Removal
Azimuth Switch PCB Ass'y Removal
Power Switch PCB Ass'y and Headphone Jack Ass'y Removal
Record Cal. PCB Ass'y Removal
Sub Chassis Ass'y Removal
Main PCB Ass'y Removal
Record Cal. LED PCB Ass'y, Control Switch PCB Ass'y, Indicator PCB. Ass'y, Counter PCB Ass'y and Counter Control PCB. Ass'y Removal
Rear Panel Ass'y and Powe Transformer Removal
Cassette Case Plate Ass'y, Cassette Case Ass'y and Cover Plate Ass'y Removal
Capstan Motor Ass'y and Flywheel Ass'y Removal
Sub Mechanism Chassis Ass'y Removal
Control Motor Ass'y and Reel Motor Ass'y, Cam Control Volume, Reel Hub Ass'y and Idler Ass'y Removal
Cam Drive Gear and Control Cam Removal
Head Mount Base Ass'y Removal
Erase Head, Pressure Roller and Tape Guide Removal
Playback Head Ass'y and Record Head Ass'y Removal
Measurement Instruments
Mechanical Adjustments
Mechanism Control Cam Adjustment
Offset Adjustment of Control Motor Driver
Reel Motor Speed Adjustment in Play Mode
Record Head and Playback Head Tilt Adjustment
Offset Fine Adjustment of Control Motor Driver
Figures 4.4, 4.5, 4.6
Head Base Stroke Adjustment in Play Mode
Head Base Stroke Adjustment in Cue Mode
Erase Head Stroke Adjustment and Tape Guide Height Check
Erase Head Height and Tilt Adjustment
Take-Up Tape Guide Height Check
Back Tension Adjustment
Playback Head and Record Head Height Adjustment and Azimuth Alignment
Record Head Stroke Adjustment
Tape Travelling Adjustment
Flywheel Holder Adjustment
Tape Speed Adjustment
Parts Location for Electrical Adjustment
Electrical Adjustments and Measurements
Frequency Response Adjustment
Level Adjustment (for Middle Frequency Response)
Peaking Adjustment (for High Frequency Response)
For SX Tape, for EXII Tape
Dolby NR Circuit Check
Mounting Diagrams and Parts List
Control Switch PCB Ass'y Mounting Diagram
Record Cat. PCB Ass'y Mounting Diagram
Switch PCB Ass'y Mounting Diagram
Dolby NR PCB Ass'y Mounting Diagram
Dolby NR PCB Ass'y Mounting Diagram (UK, Australia, 220V Class 2, Others and Japan)
Logic & Power PCB Ass'y Mounting Diagram
Main PCB Ass'y Mounting Diagram
Mechanism Ass'y and Parts List
Synthesis Diagram
Front Panel Ass'y (A01) Diagram
Chassis Ass'y (A02) Diagram
Front Escutcheon a Ass'y (B01) Diagram
Control House Ass'y (B02) Diagram
Front Escutcheon B Ass'y (B03) Diagram
Headphone Holder Ass'y (C01) Diagram
Mechanism Ass'y ZX-7 (C02) Diagram
Rear Panel Ass'y (C03) Diagram
Flywheel Holder Ass'y (D01) Diagram
Sub Mechanism Chassis Ass'y (D02) Diagram
Main Mechanism Chassis Ass'y (D03) Diagram
Capstan Motor Ass'y (E01) Diagram
Control Motor Ass'y (F02) Diagram
Reel Motor Ass'y (F01) Diagram
Head Mount Base Ass'y (G01) Diagram
Supply Pressure Roller Ass'y (G02) Diagram
Take-Up Pressure Roller Ass'y (G03) Diagram
Head Base Ass'y (G04) Diagram
Cassette Case Holder L Ass'y (G05), Cassette Case Holder R Ass'y (G06) Diagrams
Auto Shut-Off Ass'y (G07) Diagram
Pneumatic Damper Ass'y (G08) Diagram
P-8L Playback Head Ass'y (H01) Diagram
R-8L Record Head Ass'y (H02) Diagram
Overall Timing Chart
EQ. Amp. Frequency Response
Playback Frequency Response Chart
Record Current Frequency Response Chart
Block Diagrams
Amplifier Section Block Diagram
Mechanism Control Section Block Diagram
Wiring Diagram
Attention to Servicemen
IC Block Diagram
Exclusive or Gate C-MOS IC Μpd4030Bc Diagram
D-Type Flip-Flop C-MOS IC TC4013BP Diagram
Level Meter Control IC MSL9350RS Diagram
4-Bit Micro-Processor LM6402A-052/048 Diagram
Specifications
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