Tascam 3030 Service Manual

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3030
Stereo
Tape
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NOTES
As regards the
resistors and capacitors, refer
to the
circuit
diagrams
and
the PCB ass'y drawings contained
in
this manual.
*
*
Parts
marked
with
*
require longer
delivery
time.
Resistor values
are
in
ohms
(k
=
1,000
ohms,
M
=
1,000,000
ohms).
All
capacitor
values
are in
microfarads
(p
=
picofarads).
A
Parts marked
with this sign are safety
critical
components.
They must
always be
replaced with
identical components
-
refer
to the TEAC Parts List
and ensure exact
replacement.
0 dB
is
referenced
to lV
in
this
manual unless otherwise
specifi-
ed.
PC
boards
shown viewed
from
foil side.
Parts not shown
in the
parts
lists
or
parts,
through
listed, having
no
parts
numbers
are not
general
"ready-to-supply"
parts.
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dbx Noise Beduction
system
made under
license
from
dbx,
lncorporated. The name'"dbx"
and the dbx symbol are
trademarks of dbx,
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Effective; March. 1989
930153
5704043400

Tascam 3030 Specifications

General

Track System	4-track, 2-channel stereo
Total Harmonic Distortion	0.8%
Tape Type	Metal
Output	XLR and RCA
Inputs	XLR, RCA

Summary

1 Specifications and Service Data

2 Mechanical Adjustments and Checks

2-1 Rotating Part Thrust Clearance Checks

Checks for thrust clearance of rotating parts like capstan shaft and reel motors.

2-2 Capstan Motor Replacement

Procedure for replacing the capstan motor and checking belt movement.

2-3 Brake Adjustment

Adjusting brake solenoid plunger stroke and band contact.

2-4 Brake Torque Measurement

Measuring brake torque using a spring scale.

2-5 Pause Position Adjustment

Adjusting pinch roller position for tape clearance in pause mode.

2-6 Pinch Roller Pressure Stroke Adjustment

Adjusting pinch roller pressure stroke for proper clearance.

2-7 Pinch Roller Pressure Measurement

Measuring pinch roller pressure using a spring scale.

2-8 Tape Tension Adjustment

Adjusting tape tension in play, fast forward, and rewind modes.

2-9 Tension Arm Height Adjustment

Adjusting tension arm height for proper tape path alignment.

2-10 Reel Table Height Adjustment

Adjusting reel table height to prevent tape rubbing on flanges.

2-11 Tape Path Alignments

Adjusting pinch roller parallelism to the capstan shaft.

2-12 Tape Speed Adjustment

Adjusting play, fast wind, and rewind tape speeds.

2-13 Wow and Flutter Checks

Measuring wow and flutter at different tape speeds.

2-14 Lubrication

Lubrication points and recommended oils for the tape deck.

2-15 Voltage Conversion

Procedure for converting voltage for general export models.

2-16 Head Alignment

2-16-1 Head Mounting (Record and Playback Heads)

Mounting record and playback heads to the head mounting plate.

2-16-2 Playback Head Adjustment

Adjusting playback head tangency and azimuth for maximum output.

2-16-3 Record Head Adjustment

Adjusting record head tangency and azimuth after playback head adjustment.

3 Electrical Adjustments and Checks

3-1 Adjustment Points Location and Connection

Identifying and connecting to adjustment points on the REC and PLAY PCB.

3-2 Playback Performance

Checking playback performance including head azimuth, level, and frequency response.

3-3 Monitor Performance

Checking monitor performance for line input, VU meter, and headphone output.

3-4 Recording Performance

Adjusting and checking recording performance parameters like bias and level.

3-5 Frequency Response

Checking playback and overall frequency response curves.

3-6 DBX PCB Adjustment

Adjustments related to the DBX noise reduction PCB.

4 Exploded Views and Parts List

Exploded View-1

Diagram showing exploded view and parts for the main tape transport mechanism.

Exploded View-2

Diagram showing exploded view and parts for the capstan and reel motor assembly.

Exploded View-3

Diagram showing exploded view and parts for the reel table and brake mechanism.

Exploded View-4

Diagram showing exploded view and parts for the front panel and control section.

Exploded View-5

Diagram showing exploded view and parts for the tension arm and pinch roller assembly.

Exploded View-6

Diagram showing exploded view and parts for the rear panel and power supply.

5 PC Board and Parts List

R/P Amp. PCB Assy

Component layout and parts list for the Record/Playback amplifier PCB.

Counter PCB Assy

Component layout and parts list for the tape counter PCB.

Spooling PCB Assy

Component layout and parts list for the spooling control PCB.

Transistor PCB Assy

Component layout and parts list for the transistor PCB.

Power PCB Assy

Component layout and parts list for the power supply PCB.

DBX PCB Assy

Component layout and parts list for the DBX noise reduction PCB.

Control SW PCB Assy

Component layout and parts list for the control switch PCB.

Headphone PCB Assy

Component layout and parts list for the headphone output PCB.

Tension Sensor PCB Assy

Component layout and parts list for the tension sensor PCB.

Roller Sensor PCB Assy

Component layout and parts list for the roller sensor PCB.

Pitch Con PCB Assy

Component layout and parts list for the pitch control PCB.

In/Output Amp. PCB Assy

Component layout and parts list for the input/output amplifier PCB.

VR PCB Assy

Component layout and parts list for the volume control VR PCB.

Bias VR PCB Assy

Component layout and parts list for the bias VR control PCB.

Head SW PCB Assy

Component layout and parts list for the head switch PCB.

Dupli Sync PCB Assy

Component layout and parts list for the dupli sync PCB.

DBX Lamp PCB Assy

Component layout and parts list for the DBX lamp driver PCB.

DBX SW PCB Assy

Component layout and parts list for the DBX switch PCB.

Fuse PCB Assy

Component layout and parts list for the fuse holder PCB.

Voltage Selector PCB Assy [GE]

Component layout and parts list for the voltage selector PCB.

Power SW PCB Assy

Component layout and parts list for the power switch PCB.

TASCAM Wiring Diagram 3030

Key Board PCB

Wiring diagram for the keyboard control PCB.

Counter PCB

Wiring diagram for the tape counter PCB.

Roller Sensor PCB

Wiring diagram for the roller sensor PCB.

Sensor PCB

Wiring diagram for the sensor PCB (likely related to reel rotation).

TR PCB

Wiring diagram for the transistor PCB.

Power PCB (2/2)

Wiring diagram for the power supply PCB, second part.

TASCAM Spooling PCB 3030

Power PCB

Wiring connections between the Spooling PCB and the Power PCB.

Head SW PCB

Wiring connections between the Spooling PCB and the Head Switch PCB.

Rec and Play PCB

Wiring connections between the Spooling PCB and the Rec/Play PCB.

TASCAM TEAC Professional Division In/Out Amp. PCB 3030

Headphone PCB

Wiring connections between the In/Out Amp PCB and the Headphone PCB.

Rec and Play PCB

Wiring connections between the In/Out Amp PCB and the Rec/Play PCB.

Volume PCB

Wiring connections between the In/Out Amp PCB and the Volume PCB.

In/Out Ampl PCB

Wiring connections within the In/Out Amplifier PCB.

TASCAM DBX PCB 3030

Decoder

Schematic diagram for the DBX decoder section.

Encoder

Schematic diagram for the DBX encoder section.

Schematic Diagrams

Instructions for Service Personnel

Guidelines for service personnel before returning the appliance.