TEAC EX-M3 Service Manual

Cover page of TEAC EX-M3 Service Manual

Service Manual for TEAC EX-M3, downloadable as a PDF file.

We also have owner's manual to this model.

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  • The manual has 23 pages
  • File size: 6.3 MB
  • Available language versions: English
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NOTES
CONTENTS
EX-M3/MC-D3
CD Receiver System
1 SAFETY INFORMATION
NOTES
CONTENTS
PC board shown are viewed from parts side.
The parts with no reference number or no 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 sign are safety critical
components. they must be replaced with identical
ensure exact replacement.
!
components - refer to the appropriate parts list and
2 SPECIFICATIONS
4 EXPLODED VIEW AND PARTS LIST
5 PC BOARDS AND PARTS LISTS
6 WIRING DIAGRAM
7 INCLUDED ACCESSORIES
2
3
6
10
16
18
3 ADJUSTMENT AND CHECKS
4
Parts of [ ] mark can be used only with the version designated.
[US]: U.S.A (EX-M3) [E]: EUROPE (MC-D3)
[UK]: U.K. (MC-D3)
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NOTES
CONTENTS
EX-M3/MC-D3
CD Receiver System
1 SAFETY INFORMATION
NOTES
CONTENTS
PC board shown are viewed from parts side.
The parts with no reference number or no 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 sign are safety critical
components. they must be replaced with identical
ensure exact replacement.
!
components - refer to the appropriate parts list and
2 SPECIFICATIONS
4 EXPLODED VIEW AND PARTS LIST
5 PC BOARDS AND PARTS LISTS
6 WIRING DIAGRAM
7 INCLUDED ACCESSORIES
2
3
6
10
16
18
3 ADJUSTMENT AND CHECKS
4
Parts of [ ] mark can be used only with the version designated.
[US]: U.S.A (EX-M3) [E]: EUROPE (MC-D3)
[UK]: U.K. (MC-D3)
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1 SAFETY INFORMATION
2
EX-M3/MC-D3
USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
SAFETY INFORMATION
This product has been designed and manufactured according to FDA regulations " title 21, CFR, chapter 1,subchapter J,based on the
Radiation Control for Health and Safety Act of 1968" and is classified as class 1 laser product. There is not hazardous invisible laser
radiation during operation because invisible laser radiation emitted inside of this product is completely confined in the protective
housings. The label required in this regulation is shown
.
1
CAUTION
DO NOT REMOVE THE PROTECTIVE HOUSING USING SCREWDRIVER.
IF THIS PRODUCT DEVELOPS TROUBLE, MAKE A CONTACT WITH OUR SERICEMAN, AND DO NOT USE THE PRODUCT A TROUBLED STATE.
Optical pickup:
Type :
SF-P200Z
Laser output : Less than 0.5 mW on the objective lens
Wavelength : 765 - 815 nm
Manufacturer : SANYO Electric Co., Ltd.
1
CERTIFICATION
THIS PRODUCT COMPLIES WITH DHHS
RULES 21 CFR SUBCHAPTER J APPLI-
CABLE AT DATE OF MANUFACTURE.
TEAC CORPORATION
3-7-3, NAKA-CHO, MUSASHINO-SHI, TOKYO, JAPAN
MANUFACTURED :
DATE CODE LABEL
For U.S.A
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2 SPECIFICATIONS
3
CD PLAYER Section
Pickup:
Wavelength :
Audio frequency response :
3-beam pick-up
790 nm
20 Hz ~ 22 kHz
CASSETTE DECK Section
Track System:
Tape Speed:
Wow and Flutter:
4 track, 2 channel stereo
4.76 cm/sec
0.4% or less
Design and specifications are subject to change without notice.
Photos and illustrations may differ slightly from production models.
EX-M3/MC-D3
TUNER Section
AM : 530 to 1710 kHz (10 kHz step) - USA
System :
Tuning range :
synthesizer system
FM : 87.50 ~ 108.0 MHz (100kHz step) - USA
PLL quartz-locked digital
Antenna :
FM pigtail antenna
AM bar antenna (built-in)
SPEAKER SYSTEM Section
Impedance:
4 ohm
System:
2-way shielded box
4-3/16 lb (1.9 kg) x2
(5-3/4 x 9-3/16 x 7-7/8) inches
146 x 233 x 200 mm
Dimension (W x H x D ):
Weight:
GENERAL
Power requirements:
Power consumption:
Dimension (W x H x D ):
Standard Accessories:
Remote Control Unit (RC-909) x 1
Owner's Manual x 1
Warranty Card x 1
120V AC, 60Hz / 230V AC, 50Hz
65W
150 x 233 x 223 mm
6-13/16 lb (3.1 kg)
Output power:
15W x 2 (USA) 12.5W x 2 (EUR/UK)
(5-7/8 x 9-3/16 x 8-3/4) inches
Weight:
FM : 87.50 ~ 108.0 MHz (50kHz step) -EUR
AM : 522 to 1620 kHz (9 kHz step) - EUR
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4
EX-M3/MC-D3
3 ADJUSTMENTS AND CHECKS
Use a screwdriver with a plastic or ceramic grip for all adjustment.
3-1 TUNER SECTION
1. Set the function switch to the AM position.
2. Connect the test loop antenna across the output of the signal generator.
3. Connect the oscilloscope to the speaker terminal.
4. Set the signal generator as listed in the alignment chart.
3-1-2 AM adjustment
1. Set the function switch to the FM position.
2. Connect the signal generator output through a 75 ohm dummy
3. Connect the oscilloscope to the speaker terminal.
4. Set the signal generator as listed in the alignment chart.
3-1-1 FM adjustment
antenna to "ANT" on MAIN PCB.
EX-M3 TUNER PCB
L
7
A
M
A
N
T
C
O
IL
L1
L2
CT2
CT1
T2
T3
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5
3-1-3 FM/AM alignment chart
ITEM
ADJUSTMENT POINT
ADJUSTMENT
SG SETTING
TUNER SETTING
1. FM band
2. Tracking
3. Tracking
106MHz
106MHz
Repeat step 2
90MHz
90MHz
87.5MHz
87.5MHz
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
L2
L1
CT1
FM
Adjust for max.output.
Adjust for max. output
and best waveform.
1. IF adjustment
2. AM band
450kHz
600kHz (USA)
Repeat step 3
600kHz
1400kHz
530kHz (USA)
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
T2
L7
CT2
T3
AM
Adjust for max.output.
Adjust for max. output.
Adjust for max. output
and best waveform.
EX-M3/MC-D3
3-2 CASSETTE SECTION
1. Set the FUNCTION SELECTOR SWITCH TO TAPE.
2. Connect a Scope & VTVM across the speaker output.
3. Insert the 8KHz tape in to cassette deck and push play BUTTON.
4. ADJUST HEAD for speaker maximum output.
3-3 CD SECTION
Auto alignment.
AM ANT COIL
SCREWDRIVER
SCREWDRIVER
ADJUSTING
SCREW
MOTOR
522kHz (EUR/UK)
530kHz (USA)
522kHz (EUR/UK)
600kHz (USA)
603kHz (EUR/UK)
1400kHz (USA)
1404kHz (EUR/UK)
603kHz (EUR/UK)

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