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Outlines adjustment, alignment, and parts replacement procedures.
Compares A-4010SL and A-4010GSL features and differences.
Details tape width, speed, motors, wow, and flutter.
Covers transistors, diodes, frequency response, and input levels.
Provides physical dimensions of the tape deck.
Lists tools and equipment for mechanical tests.
Lists tools and equipment for electrical tests.
Instructions for removing the tape transport unit.
Steps for removing the amplifier unit.
Steps to remove the front face plate.
Procedure for replacing the reel table assembly.
Steps for replacing the capstan motor.
Procedures for capstan assembly and belt replacement.
Guide for replacing individual tape heads.
Instructions for aligning erase, record, and playback heads.
Procedure to measure and adjust pinch roller pressure.
Method for measuring flutter and tape speed.
How to measure and adjust reel motor torque.
Procedures for adjusting take-up and brake torque.
Procedure to check the fast wind time.
Steps for coarse and fine playback head azimuth adjustment.
How to set the specified output level for playback.
Procedure for calibrating the playback VU meter.
Method for checking playback frequency response.
Measurement procedure for signal to noise ratio.
Adjustments for monitor/record performance.
Procedures for adjusting line and mic input levels.
How to set the specified input level.
Procedure for calibrating the monitor VU meter.
Coarse and fine adjustment for record head azimuth.
Procedure for adjusting the bias trap circuit.
Procedures for adjusting bias in HIGH and NORMAL positions.
Procedures for setting record levels in HIGH and NORMAL.
Method for checking overall record frequency response.
Checking level variations and signal to noise for recording.
Method for measuring erase efficiency.
Simplified block diagram for playback circuit.
Simplified block diagram for monitor/record circuit.
Overall block diagram and adjustable parts location.
Simplified block diagram for record circuit.
Another simplified block diagram of the unit.
Complete circuit schematic for the tape deck.
Instructions for demagnetizing tape heads.
Guidance on lubrication and cleaning components.
Lists mechanical problems and their check points.
Common playback issues and their causes.
Common record issues and their causes.
Details on product warranty terms.
Guidelines for safely packing the unit for service.
Information on manual revisions and updates.
How to order replacement parts.
Parts list and exploded view for trim components.
Parts lists and diagrams for main chassis components.
Parts list and exploded view for heads and capstan.
Parts list and exploded view for control buttons.
Parts lists and diagrams for the preamplifier chassis.
Parts list for the rear preamplifier chassis.
Component layout for the preamplifier PCB.
List of transistors, diodes, and resistors for the preamplifier.
List of capacitors and adjustable components for preamplifier.
Components and layout for the bias oscillator PC board.
Diagram and parts for the bias adjust assembly.
Details of the reverse relays PC board.
PC boards for power supply and delay relays.
PC boards for operating and delay relays.
Diagram for the pause function PC board.
Outlines adjustment, alignment, and parts replacement procedures.
Compares A-4010SL and A-4010GSL features and differences.
Details tape width, speed, motors, wow, and flutter.
Covers transistors, diodes, frequency response, and input levels.
Provides physical dimensions of the tape deck.
Lists tools and equipment for mechanical tests.
Lists tools and equipment for electrical tests.
Instructions for removing the tape transport unit.
Steps for removing the amplifier unit.
Steps to remove the front face plate.
Procedure for replacing the reel table assembly.
Steps for replacing the capstan motor.
Procedures for capstan assembly and belt replacement.
Guide for replacing individual tape heads.
Instructions for aligning erase, record, and playback heads.
Procedure to measure and adjust pinch roller pressure.
Method for measuring flutter and tape speed.
How to measure and adjust reel motor torque.
Procedures for adjusting take-up and brake torque.
Procedure to check the fast wind time.
Steps for coarse and fine playback head azimuth adjustment.
How to set the specified output level for playback.
Procedure for calibrating the playback VU meter.
Method for checking playback frequency response.
Measurement procedure for signal to noise ratio.
Adjustments for monitor/record performance.
Procedures for adjusting line and mic input levels.
How to set the specified input level.
Procedure for calibrating the monitor VU meter.
Coarse and fine adjustment for record head azimuth.
Procedure for adjusting the bias trap circuit.
Procedures for adjusting bias in HIGH and NORMAL positions.
Procedures for setting record levels in HIGH and NORMAL.
Method for checking overall record frequency response.
Checking level variations and signal to noise for recording.
Method for measuring erase efficiency.
Simplified block diagram for playback circuit.
Simplified block diagram for monitor/record circuit.
Overall block diagram and adjustable parts location.
Simplified block diagram for record circuit.
Another simplified block diagram of the unit.
Complete circuit schematic for the tape deck.
Instructions for demagnetizing tape heads.
Guidance on lubrication and cleaning components.
Lists mechanical problems and their check points.
Common playback issues and their causes.
Common record issues and their causes.
Details on product warranty terms.
Guidelines for safely packing the unit for service.
Information on manual revisions and updates.
How to order replacement parts.
Parts list and exploded view for trim components.
Parts lists and diagrams for main chassis components.
Parts list and exploded view for heads and capstan.
Parts list and exploded view for control buttons.
Parts lists and diagrams for the preamplifier chassis.
Parts list for the rear preamplifier chassis.
Component layout for the preamplifier PCB.
List of transistors, diodes, and resistors for the preamplifier.
List of capacitors and adjustable components for preamplifier.
Components and layout for the bias oscillator PC board.
Diagram and parts for the bias adjust assembly.
Details of the reverse relays PC board.
PC boards for power supply and delay relays.
PC boards for operating and delay relays.
Diagram for the pause function PC board.
General| Type | Reel-to-reel tape deck |
|---|---|
| Signal-to-Noise Ratio | 50 dB |
| Output Connectors | RCA |
| Input Connectors | RCA |
| Track System | 4-track, 2-channel stereo |
| Tape Speed | 7.5 ips / 3.75 ips |
| Heads | 1 x playback, 1 x record, 1 x erase |
| Reel Size | 7-inch reel |
| Wow and Flutter | 0.08% (7 1/2 ips) |
| Output | 0.775V |
| Input | 70mV (line) |
| Semiconductors | Transistors and diodes |
