Teac EX-M3 User manual

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)

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

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

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
L7 AM ANT COIL
L1
L2
CT2
CT1
T2
T3

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)

1
3
2
4
6
5
8
7
7
7
7
7
43
34
32
35
35
10
37
38 42
40
41
9
19
18
43
12
11
13
13
13
13
14
29
15
43
33
16
17
20
21
22
31
31
41
23
42
28
24
26
39
25
27
36
36
30
43
41
41
41
EX-M3/MC-D3
4 EXPLODED VIEWS AND PARTS LIST
EXPLODED VIEW - 1
43
43
43
6

56-57EX0M102000 REMOTE LENS
20-70DA23000200 CD MECHANISM
56-04EX0M30A010 FRONT CABINET [US]
56-24EX0M10B000 GEAR -A
56-24EX0M11B000
56-07EX0M12B000 CD DECK BRACKET
56-24EX0M12B000
56-24EX0M13B000 GEAR BRACKET-A
56-07EX0M34B000 SENSOR BRACKET
VOLUME KNOB
56-54EX0M33G000
56-54EX0M31A010
56-07EX0M17B000 PCB BRACKET
56-54EX0M30A010
1-1
1-2
1-3
1-4
1-5
1-7
1-8
1-9
1-10
1-6
1-12
1-13
1-14
1-15
1-11
1-17
1-18
1-19
1-20
1-16
1-22
1-23
1-24
1-25
1-21
1-27
1-28
1-29
1-30
1-26
1-32
1-33
1-34
1-35
1-31
1-37
1-36
REMARKS
REF. NO
EXPLODED VIEW-1
PARTS NO. DESCRIPTION
EX-M3/MC-D3
GEAR -B
GEAR -C
56-24EX0M14B000 GEAR BRACKET-B
POWER KNOB
OPEN DOOR KNOB
05-02EX0M300000 TUNER PCB ASSY
05-05EX0M300000 KEY PCB ASSY
05-07EX0M300000 POWER PCB ASSY
05-09EX0M100000 H/P PCB ASSY
05-23EX0M100000 O/C SWITCH PCB ASSY
05-30EX0M300000 CD PCB ASSY - UL [US]
61-11DV60000020 PCB BRACKET
66-120230140321 MACHINE SCREW MS/BH3x4
66-120530160321 MACHINE SCREW MS/KH3x6
66-140230214321 SELF-TAPPING SCREW TA/BH3x14
66-140330216321 SELF-TAPPING SCREW TA/PH3x16
66-112323101000 METAL WASHER 3.2x10x1
66-140330180321 SELF-TAPPING SCREW TA/PH3x8
61-61D2000000020 LOCK WASHER
58-61EX0M108120 SHOCK ABSORBER
58-263122300020 RUBBER FOOT
58-44X200000020 CD MOTOR
56-760000000200 DOOR MOTOR PULLY
58-43X200000120 DRIVE BELT
68-112303100500 METAL WASHER 3x10X0.5
LIGHT BAR
56-54EX0M32A010 CD KNOB
7
56-07EX0M360010
56-07EX0M389000 LIGHT BRACKET
56-07EX0M339000 PCB BRACKET (C)
56-07EX0M329000 PCB BRACKET (B)
PCB BRACKET (A)
56-07EX0M319000
FIBRE WASHER 3x8x0.4
68-122301800400
1-38
1-39
1-40
1-41
1-42
1-43 66-140330212321 SELF-TAPPING SCREW TA/PH3x12
66-140330210321 SELF-TAPPING SCREW TA/PH3x10
56-04EX0M31A010 FRONT CABINET [E] [UK]
05-30EX0M300010 CD PCB ASSY - CE [E] [UK]

2
3
1
4
5
6
7
9
8
50
50
13
14
16
51
17
19
49
20
21
22
46
23
24
24
46 42
31
32
30
29
43
26
27
25
48
34
44
44
35
36
47
37
51
43
39
40
43
38
41
33
28
51
18
15
47
11
12
10
45
EX-M3/MC-D3
EXPLODED VIEW - 2
8

!
56-07EX0M37A000
56-57EX0M320010
56-07EX0M148000
56-14EX0M30A000 CD DOOR
56-58EX0M118000 BADGE LOGO - TEAC
56-55EX0M10A000 CASS KNOB
56-07EX0M309000 BACK LIGHT LENS BRACKET
CD DOOR SHAFT BRACKET-L
56-07EX0M138000
56-07EX0M35G000 CD DOOR PLATE (CHROME)
56-24EX0M168000 CASS GEAR BRACKET
CASS GEAR
56-24EX0M158000
56-05EX0M30A010 REAR CABINET [US]
BATTERY DOOR
56-06EX0M10A000
56-06EX0M11A000 BATTERY BOX
56-07EX0M16A010 CASS DOOR BRACKET
56-13EX0M10A010 CASS DOOR
18-203EX0M30120 TRANSFORMER 120V [US]
56-69EX0M108000 AC CORD PLATE
CD DOOR SHAFT BRACKET-R
05-04EX0M300000 DISPLAY PCB ASSY
05-16EX0M300000 LED PCB ASSY
05-20EX0M300000 R/P PCB ASSY
61-11EX0M100020 REC.PCB BRACKET
61-11EX0M110020 MTG-BRACKET CASS KNOB
61-97EX0M100020 CASS DOOR SPRING
MACHINE SCREW MS/KH3x8
SELF-TAPPING SCREW TA/PH2.6x6
66-140230212321 SELF-TAPPING SCREW TA/BH3x12
66-140230218321 SELF-TAPPING SCREW TA/BH3x18
66-150330160321 SELF-TAPPING SCREW TB/PH3x6
66-140530212321 SELF-TAPPING SCREW TA/KH3x12
66-140826212321 SELF-TAPPING SCREW TA/WH2.6x12
66-170220130321 SELF-TAPPING SCREW TT/BH2x3
2-1
REF. NO
EXPLODED VIEW-2
PARTS NO. DESCRIPTION
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-18
2-19
2-20
2-21
2-22
2-23
2-24
2-25
2-26
2-27
2-28
2-29
2-30
2-31
2-32
2-33
2-34
2-36
2-37
2-38
2-39
2-40
2-41
2-42
2-43
2-44
2-45
2-46
2-47
2-48
2-49
2-50
2-51
56-57EX0M300000
DISPLAY LENS
57-26EX0M300020 FILTER SHEET
56-57EX0M310010 CASS DOOR LENS
20-06EX0M100020 F/CASS DECK
61-76SCD6600020 RECORDING PLATE
58-73EX0M100020 WOODEN SPEAKER BOX ASSY
61-256600000020 BATTERY CONTACT PLATE (+)
61-26SX88000020 BATTERY SPRING (+/-)
61-266600000020 BATTERY CONTACT SPRING (-)
57-082322250020 PVC PLATE - 32x25x0.5
9
57-082222130120 PVC PLATE - 22x13x0.3
RUBBER FOOT
58-263122300020
AC CORD VDE APP 2M (BESFIELD) [UK]
METAL WASHER - 3.2x10x1
66-112323101000
66-120330160321 MACHINE SCREW MS/PH3x6
66-120530180321
66-140330212321 SELF-TAPPING SCREW TA/PH3x12
REMARKS
BACK LIGHT LENS
56-57EX0M331000 CD LENS
CD DOOR PLATE
TRANSFORMER 230V [E] [UK]
!
2-35
AC CORD CUL 6FT (M.T) [US]
45-114180310006
!
!
66-150520140321 SELF-TAPPING SCREW TB/KH2x4
66-140320180321 SELF-TAPPING SCREW TA/PH2x8
66-140326160321
REAR CABINET [E] [UK]
56-05EX0M31A010
18-205A20000121
45-114200500008
45-114200500005 AC CORD VDE APP 2M (S.F) [E]
!
EX-M3/MC-D3

5 PC BOARDS AND PARTS LIST
10
TUNER PCB ASSY
REF. NO
Q2,8,9,10
D1,2
IC1
IC2
X5
ZD6
D3,4
D5,33
T2
Q3
CON2
X1
CF1
L7
T3
L1
L2,3
EX-M3/MC-D3
CF3
CT2
REF. NO
R/P PCB ASSY
Q5
Q4,6
IC3
T1
SW1
CON5
DESCRIPTION
TUNER PCB ASSY
TUNER PCB
TR-9014C
DIODE - 1N4148
IC-LC72131
IC-LA1823
CRYSTAL 4.500MHZ
WAFER 7 PINS 180C
ZENER DIODE 6.8V
VAR DIODE SVC201SPA
VAR DIODE SVC321SPA
CDA 10.7MG1-A
CER.FILTER SFU450B
FERRITE BAR 10X80MM
FM COIL 4.5X4.5TX0.8MM
AM COIL 68:20T
IFT 660R (RED)
IFT A049 (YELLOW)
TR-8050C
FM COIL 4.5X3.5TX0.8MM
CER.FILTER SFE10.7AM
TRIMMER 20PF
R/P PCB ASSY
DESCRIPTION
RECORDER PCB
TR-9014C
TR-9015C
IC-BA3308
IFT- 621 (BLK)
PUSH SWITCH
WAFER 4P P=2MM
SLIDE SWITCH
SW2
REMARKS
REMARKS
CT1
PARTS NO.
05-02EX0M300000
48-02EX0M100220
11-9014C0000021
12-1N4148000021
16-LC7213100021
16-LA1823000021
31-017450002010
43-012200170120
12-011680320121
12-SVC201SPA021
12-SVC321SPA021
31-038107000110
31-026450010110
32-022102800020
40-351450145020
40-212680220520
40-01660R002020
40-01A049004020
11-8050C0000021
40-351450135020
31-028107000110
27-501802201020
PARTS NO.
05-20EX0M300000
48-20EX0M100220
11-9014C0000021
11-9015C0000021
16-BA3308000012
40-016210000020
41-091020000020
43-012200140120
41-132203000920
27-501802101020 TRIMMER 10PF