Tascam 122 Manuals

Tascam 122 Manuals

Manuals and User Guides for Tascam 122. We have 1 Tascam 122 manual available for free PDF download: Service Manual

Tascam 122 Service Manual

Tascam 122 Service Manual (64 pages)

MASTER CASSETTE DECK

Brand: Tascam | Category: Cassette Player | Size: 36.75 MB

Table of Contents

Table of Contents
2
1 Specifications

3
2 Features and Controls

4
- Front Panel Features and Controls
  4
- Rear Panel Connections
  5
3 Circuit Description

6
- Control Section
  6
- System Control IC
  6
- System Control IC Input/Output
  9
- Solenoid Drive Circuit
  10
- Reel Motor Drive Circuit
  15
- Capstan Motor Circuit
  18
- Tape-End Detection Circuit
  18
- Memory Circuit
  20
- Power Supply Circuits
  20
- Overall Operation of the Deck
  24
- Muting Circuits
  26
- Amplifier Section
  30
- Monitor Circuit
  32
- Record Circuits
  34
- Dolby HX Circuit
  37
4 Parts Location

41
5 Essential Maintenance Equipment/Material

42
6 Electro-Mechanical Checks and Adjustments

43
- Head Base Plate Positioning
  43
- Microswitch (A) Assembly Clearance
  43
- Microswitch (B) Assembly Clearance
  43
- Capstan Assembly Thrust
  44
- Takeup Torque
  44
- Fast Forward and Rewind Torque
  44
- Pi Nch Roller Pressure
  44
- Tape Speed
  45
- Wow and Flutter
  45
- Record/Reproduce Amplifier Checks and
  47
- Reproduce Output Level Setting
  47
- VU Meter Setting
  47
- Reproduce Frequency Response
  47
- Bias Setting Adjustment
  48
- Record Level
  48
- Overall Frequency Response
  48
- Overall Signal-To-Noise Ratio
  49
- Overall Distortion
  49
- Erasure
  49
- Channel Separation
  50
- LED Lighting of VU Meter (PEAK Indicator)
  50
- Dolby Noise Reduction Effect
  50
- Dolby HX Effect
  50
- Headphones Output Level
  51
- Bias Trap Adjustment
  51
- BIAS/REC Calibration Check
  51
8 Exploded Views and Parts Lists

52
9 PC Boards and Parts Lists

55
10 Semiconductors Lists

63
- Assembling Hardware Coding Lists
  64

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