Sharp VZ-2000XA Manuals

Manuals and User Guides for Sharp VZ-2000XA. We have 1 Sharp VZ-2000XA manual available for free PDF download: Service Manual

Sharp VZ-2000XA Service Manual

Sharp VZ-2000XA Service Manual (57 pages)

Brand: Sharp | Category: Cassette Player | Size: 4.87 MB

Table of Contents

Index to Contents
1
Features
1
Specifications
3
Names of Parts
4
Disassembly
5
Removal of Dust Cover
5
Removal of Player Door Cover
5
Removal of Front Cabinet
5
Removal of Player Mechanism
6
Removal of Frame
6
Removal of Tape Mechanism
6
Removal of P.W. Boards
7
Removal of Speaker
7
Removal of Speaker Cover
7
Dial Cord Stringing
8
Setting of Player Wire
8
Block Diagram
9
Circuit Descriptions
10
Key Control Section
10
Sensor Section
10
Tonearm Control Section
10
Door Open Operation
11
Door Close Operation
11
Play Start Operation
11
Tonearm Up/Down Motion
11
Cue Up/Cue down Operation
12
Side A/Side B Selection
12
Auto Return Function
12
Stop Function
12
Power Control Circuit
14
Timing Chart of Power Control Circuit
14
Tonearm Solenoid Drive Ciruict
15
Tracking Error Detector/Cartridge Forward Circuit
16
Photo Sensor Level Converter Circuit
16
Indicator Drive Circuit
17
Muting Circuit
17
Automatic Play Control Circuit
17
Phono Motor Control Circuit
18
Side A/Side B Cartridge Signal Selector Circuit
18
Operation of Microcomputer and Its Peripheral Circuits
19
Adjustment of Tape Mechanism
21
Pinch Roller Pressure Check
21
Torque Check at Play, Fast Forward and Rewind Modes
21
Tape Speed Adjustment
21
Adjustment of Player Mechanism
22
Positional Adjustment of Player Door Close Detector Switch
22
Positional Adjustment of Tonearm Lead-In Position
22
Rotational Adjustment of Phono Motor
22
Adjustment of Tuner Circuit
23
AM IF/RF Adjustment
23
VCO Frequency Adjustment
23
Adjustment and Check of Record/Playback Amplifier
24
Bias Current Adjustment
24
Erase Current Check
24
Record/Playback Sensitivity Adjustment
24
Schematic Diagram
25
Wiring Diagram
35
Player Mechanism Exploded Bottom View
40
Cabinet Exploded Top View
41
Tape Deck Mechanism Exploded View
43
Block Diagram of IC
44
Types of Transistor and LED
44
Replacement Parts List
45
Tape Deck Mechanical Parts
51

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