Teac MC-D90 User Manual

CD/TUNER/AMPLIFIER
MC-D90
NOTES
PC boards shown are viewed from parts side.
The parts with no reference number or parts number in the
exploded views are not supplied.
As regards the resistors and capacitors, refer to the circuit
diagrams contained in this manual.
Parts marked with this sigh are critical components.
They must be replaced with identical components - refer to
the appropriate parts list and ensure exact replacement.
Parts of [ ] mark can be used only with the version
designated.
[J] : JAPAN [US] : U.S.A. [C] : CANADA
[E] : EUROPE [UK] : U.K. [GE] : GENERAL EXPORT
9A08312000
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Teac MC-D90 Specifications

General

Type	CD Player
Disc Compatibility	CD, CD-R, CD-RW
Frequency Response	20 Hz - 20 kHz
Digital Output	Coaxial
Weight	2.5 kg
Playable formats	Audio CD, MP3
Channels	Stereo
Dynamic Range	90 dB

Summary

Specifications

AMP Section

Details output power, input sensitivity, and frequency response of the amplifier.

FM Section

Lists frequency response and signal-to-noise ratio for FM reception.

AM Section

Lists frequency response and signal-to-noise ratio for AM reception.

CD PLAYER Section

Specifies S/N ratio, THD, channel separation, and frequency response for CD playback.

IC36 PIN FUNCTION (IC : BVITMP87PM78F)(AMP)

IC 66 PIN FUNCTION (IC : BVITMP87PM78F)(CD)

IC PIN ASSIGNMENTS AND BLOCK DIAGRAM

TUNER AND AUDIO IC BLOCK DIAGRAMS

ALIGNMENT INSTRUCTIONS

EQUIPMENT NEEDED

Lists essential equipment required for performing alignment procedures.

IMPORTANT

Highlights crucial steps and considerations for accurate alignment.

ADJUSTMENT POINT

Illustrates component locations critical for adjustment procedures.

MEASUREMENTS AND ADJUSTMENTS

FM, AM TRACKING VOLTAGE ADJUSTMENTS

Details the procedure for adjusting tracking voltage for FM and AM bands.

AM RF ADJUSTMENT

Outlines the process for adjusting the AM radio frequency sensitivity.

FM-RF ADJUSTMENT

Describes the steps for fine-tuning the FM radio frequency sensitivity.

FM MONO DISTORTION ADJUSTMENT

FM/AM AUTO STOP LEVEL ADJUSTMENT

TA2092N POWER DRIVER AND BLOCK DIAGRAM

TA2109F RF/DIGITAL SERVO IC

TA7291S BRIDGE DRIVER IC

TC9432AF DIGITAL SIGNAL PROCESSOR IC

WIRING DIAGRAM

SYSTEM BLOCK DIAGRAM

SCHEMATIC DIAGRAM

FRONT SCHEMATIC DIAGRAM

PRINTED CIRCUIT BOARDS LAYOUT

DSP AND OUTPUT PART DETAILS

MECHANISM

MECHANISM VIEW-1 [MGC-E6005]

Detailed illustration of the mechanism with reference to part numbers.

EXPLODED VIEW MC-D90TC

EXPLODED VIEW-2

RESISTORS AND CAPACITORS

Numbering System of Resistor

Explains the part numbering and coding system for resistors.

Numbering System of Capacitor

Explains the part numbering and coding system for capacitors.

MAIN PCB ASS'Y

MAIN PCB ASS'Y COMPONENT LIST

MAIN PCB ASS'Y COMPONENT DETAILS

PCB ASSEMBLIES