TEAC MCDX-15 Service manual

TEACTEAC

MC-DX15/20

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

components - refer to the appropriate parts list and

ensure exact replacement.

Parts of [ ] mark can be used only with the version designated.

[E]: EUROPE [UK]: U.K. [AUS]: AUSTRALIA

[HK]: HONG KONG [SIN]: SINGAPORE

MICRO Hi-Fi SYSTEM

1 SPECIFICATIONS

2 ADJUSTMENT AND CHECKS

3 EXPLODED VIEW AND PARTS LIST

4 PC BOARDS AND PARTS LISTS

5 WIRING DIAGRAM

6 INCLUDED ACCESSORIES

2

3

6

11

19

21

MC-DX15/20

Amplifier Section

Output Power (L+R)

Output Power Subwoofer:

Input Sensitivity
Frequency Response :

Tuner Section (FM)

Frequency Range

Sensitivity (S/N30dB)

Tuner Section (AM)

Frequency Range

Sensitivity (S/N20dB)

CD Player Section

Frequency Responce

Signa-to-Noise Ratio

Wow and Flutter

5W + 5W

15 W

300mV
50 to 20,000 Hz

87.5 MHz to 108.0 MHz
20dBuV

522 to 1620 kHz

54dBuV/m

20 to 20,000 Hz (+/-1dB)

55 dB

Unmeasurable

1 SPECIFICATIONS

SPEAKER SYSTEM Section

L & R speaker :

Type :

Impedance :

Subwoofer:

Impedance :

Full range flat type
4 ohms

8 ohms

GENERAL

Power Requirements:

Power Consumption:

Dimension (W x H x D ):

Weight: (net)

Standard Accessories:

AC230V, 50 Hz

80 W

Main Unit 160 x 226 x 86 mm

L & R Speaker 140 x 226 x 61mm

Subwoofer 160 x 234 x 330mm

Main Unit 0.96 kg

L & R Speaker 0.6 kg(each)

Subwoofer 5.3 kg

Remote Control Unit x 1
Subwoofer Cable x 1
Speaker Cable x 2

FM Antenna x 1
AM Antenna x 1
Battery for Remote Control x 1
Wall Mount Adaptor x 3
Wall Mount screw x 10
Tape Plastic Wall Anchor x 10
Template for Wall Mounting x 1
Owner s Manual x 1
Warranty Card x 1

Design and specifications are subject to change without notice.
Illustrations may differ slightly from production models.
Weight and dimensions are approximate.

2

2 ADJUSTMENTS AND CHECKS

2-1 TUNER SECTION

Use a screwdriver with a plastic or ceramic grip for all adjustment.

2-1-1 FM adjustment

1. Set the function switch to the FM position.

2. Connect the signal generator output through a 75 ohm dummy

antenna to "ANT" on MAIN PCB.

3. Connect the oscilloscope to the speaker terminal.

4. Set the signal generator as listed in the alignment chart.

2-1-2 AM adjustment

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.

MC-DX15/20

2-2 Adjustment and Test Points

T203

T204

T205

T206

L201

SVC201

L202

SVC202

MC-DX15/20 MAIN(TUNER) PCB

3

MC-DX15/20

2-2-1 FM/AM alignment chart

ITEM

FM

1.IFT adjustment

2. FM band

3. Tracking

AM

1. IF adjustment

SG SETTING

10.7 MHz

1kHz, +/-22.5kHz dev.

87.5MHz
1kHz, +/-22.5kHz dev.

90MHz

1kHz, +/-22.5kHz dev.

106MHz

1kHz, +/-22.5kHz dev.

Repeat step 3

455kHz

1kHz, 30% mod

TUNER SETTING

108MHz

87.5MHz

90MHz

106MHz

1620kHz

ADJUSTMENT POINT

T205

L202

L201

SVC201

T203

ADJUSTMENT

With 10.7 MHz at
zero crossover

Adjust for max. output

and best waveform.

Center for max. output.

2. AM band

3. Tracking

522kHz

1kHz, 30% mod

600kHz
1kHz, 30% mod

1400kHz

1kHz, 30% mod

Repeat step 3

2-3 CD SECTION

Auto alignment.

522kHz

600kHz

1400kHz

T206

AM ant coil (T204)

Adjust for max. output

and best waveform.

SVC202

4

MC-DX15/20

2-4 Version s Differences

MC-DX15

MC-DX20

,

Version

Australia

Australia

Europe

UK

Hong Kong

Singapore

AUS

AUS

EUR

UK

HK

SIN

Color

SILVER

BLACK AUS YES NO NO

SILVER VDE YES YES YES YES

SILVER UK YES YES YES YES

SILVER UK YES NO YES

SILVER VDE YES NO YES

AC Plug MP3

AUS NO NO

75 OHM

Terminal

YES

YES

YES

YES

RDS

Low Power

Consumption Standby

Circuit (Subwoofer)

NO

5

MC-DX15/20

3 3

3 EXPLODED VIEWS AND PARTS LIST

EXPLODED VIEW - 1

1 1

2 2

7 7

1 1

8

42 42

16 16

19 19

15 15

17 17

6 6

5 5

4 4

12 12

11 11

9 9

12 12

1010

1010

50 50

20 20

22

16 16

23 23

22

30 30

12 12

25 25

31 31

32 32

50 50

26 26

33 33

13 13

24 24

55 55

35 35

34 34

14 14

52 52

53 53

27 27

36 36

47 47

51 51

28 28

53 53

52 52

3838

29 29

3939

53 53

37 37

52 52

4040

5959

41 41

5656

43 43

5858

48 48

54 54

54 54

43 43

5757

49 49

18 18

46 46

21 21

6

44 44

45 45

EXPLODED VIEW-1

REF. NO

1-1

1-2

1-3

PARTS NO.

19-50DX01500020
19-50DX01500030

56-07DX0155A000
56-07DX0155B000
56-78DX0151G000

MC-DX15/20

DESCRIPTION

SPEAKER BOX ASSY - MC-DX20 [AUS]
SPEAKER BOX ASSY - MC-DX15, MC-DX20 [E,UK,HK,SIN]
FULL WALL PLATE-SPEAKER - MC-DX15,MC-DX20 [E,UK,HK,SIN] - SILVER COL
FULL WALL PLATE-SPEAKER - MC-DX20 [ AUS] - BLACK COL
CD DOOR CHROME RING

REMARKS

1-4
1-5
1-6
1-7

1-8
1-9
1-10
1-11
1-12

1-13
1-14

1-15
1-16
1-17
1-18
1-19

1-20

1-21
1-22
1-23
1-24

61-68DX01500020
56-57DX01510000
57-08DX01500020
56-14DX0150A030
56-14DX0150B010
56-14DX0150A020
56-14DX0150A040

58-58DX01500620
20-70CMSM95B00
58-61MC23500020
58-61MC23500120
68-122301600400

56-07DX01539000
05-30DX01500001
05-30DX01500011

05-30DX01510100
05-30DX01510110

48-23DX0150022A
58-58DX01500420
56-57DX01532000
56-57DX01540010

56-04DX0150A010
56-04DX0150B010
56-04DX0150A020
56-04DX0150A030

48-23DX01500220
61-80DX01500020
58-43DX01500020
68-152402160300
56-24DX01510000

CD ALUM COVER DIA 68MM
CD DOOR LENS
CD DOOR PVC PLATE
CD DOOR - MC-DX15 - SILVER COL
CD DOOR - MC-DX20 [AUS] - BLK COL
CD DOOR - MC-DX20 [HK,SIN] - SILVER COL
CD DOOR - MC-DX20 [E,UK] - SILVER COL

RUBBER RING D5.4X3X1.5MM
CD MECH. (SAMSUNG) CMS-M95BG6
SHOCK ABSORBER (GREY) AC112-SI-20C
SHOCK ABSORBER- BLACK
FIBRE WASHER 3X6X0.4MM

CD BRACKET
CD(MP3) PCB ASSY -MC-DX20 [AUS]
CD(MP3) PCB ASSY - MC-DX15

CD(MP3) PCB ASSY - MC-DX20 [E,UK]
CD(MP3) PCB ASSY - MC-DX20 [HK,SIN]

CLOSE SW PCB ASSY
RUBBER RING D5.4X3X1MM
REMOTE LENS
DISPLAY LENS

FRONT CABINET - MC-DX15 - SILVER COL
FRONT CABINET - MC-DX20 [AUS] - BLACK COL
FRONT CABINET - MC-DX20 [HK,SIN] - SILVER COL
FRONT CABINET - MC-DX20 [E,UK] - SILVER COL

OPEN SW PCB ASSY
FERRM SHAFT 155X3MM
DRIVE BELT DIA 31X1MM
PVC WASHER D4X1.6X0.3MM
STRAP GEAR

1-25

1-26
1-27
1-28
1-29

1-30
1-31

1-32
1-33

1-34
1-35

1-36
1-37

56-760000000020

56-24DX01500000
61-11DX01500320
58-44DX01500020
05-09DX01500000

56-57DX01559000
56-54DX0151A010
56-54DX0151B010
56-07DX01569000
56-53DX0151A000
56-53DX0151B000

56-57DX01569000
56-53DX0150A010
56-53DX0150B010
56-22DX0151B000
05-05DX01500000
05-05DX01500010
05-05DX01500020

DOOR MOTOR PULLY
CD DOOR GEAR
MOTOR BRACKET
MOTOR 3V
HP/AUX JACK PCB ASSY

KNOB RING-L
POWER KNOB-UNIT - SILVER COL
POWER KNOB-UNIT - BLACK COL
REMOTE BRACKET
CD KNOB GROUP - MC-DX15, MC-DX20 [E,UK,HK,SIN] - SILVER COL
CD KNOB GROUP - MC-DX20 [AUS] - BLACK COL

KNOB RING-R
CD DOOR OPEN KNOB -SILVER COL
CD DOOR OPEN KNOB - BLACK COL
LIGHT COVER
KEY/DISPLAY PCB ASSY -MC-DX15, MC-DX20 [HK,SIN]
KEY/DISPLAY PCB ASSY -MC-DX20 [AUS]
KEY/DISPLAY PCB ASSY - MC-DX20 [E,UK]

7

MC-DX15/20

EXPLODED VIEW-1

REF. NO

1-38

1-39

1-40

PARTS NO.

58-61EX0M108120
56-07DX01589000
05-01DX01500000
05-01DX01500100
05-01DX01500010

DESCRIPTION

SHOCK ABSORBER - GREY
RUBBER HOLDER
MAIN(TUNER) PCB ASSY - MC-DX15, MC-DX20 [AUS]
MAIN(TUNER) PCB ASSY - MC-DX20 [E,UK]
MAIN(TUNER) PCB ASSY - MC-DX20 [HK,SIN]

REMARKS

1-41

1-42

1-43

1-44
1-45
1-46
1-47
1-48

1-49
1-50
1-51
1-52
1-53

1-54
1-55
1-56
1-57
1-58

1-59

56-05DX0150A020
56-05DX0150B010
56-07DX0154A000
56-07DX0154B000
58-263102300520

13-05DX01500020

57-262392590020
56-57DX01520000
56-07DX01579000
61-11DX01500121

61-11DX01500021
66-140220160321
66-140526210321
66-140226180321
66-140226180321

66-140226210321
66-120320130321
66-120526160321
66-11DX01500420
66-11DX01500520

66-120226210321

REAR CABINET - MC-DX15, MC-DX20 [E,UK,HK,SIN] - SILVER COL
REAR CABINET - MC-DX20 [AUS] - BLACK COL
FULL WALL PLATE - UNIT - MC-DX15, MC-DX20 [E,UK,HK,SIN] - SILVER COL
FULL WALL PLATE - UNIT - BLACK COLMC-DX20 [AUS] ­RUBBER FOOT

LCD DISPLAY
FILTER SHEET
BACK LIGHT LENS-UNIT
DISPLAY BRACKET
FERRM PLATE - HOLE (LOWER SIDE)

FERRM PLATE - SCREW HOLE (UPPER SIDE)
SCREW TA/BH 2X6MM
SCREW TA/KH 2.6X10MM
SCREW TA/BH 2.6X8MM
SCREW TA/PH 2.6X8MM

SCREW TA/BH 2.6X10MM
SCREW MS/PH 2X3MM
SCREW MS/KH 2.6X6MM
FERRM PLATE (C) 33X108X2MM (LOWER SIDE)
FERRM PLATE (D) 27X108X2MM (UPPER SIDE)

SCREW MS/BH 2.6X10MM

8

MC-DX15/20

EXPLODED VIEW 2

6 6

33 33

3939

17 17

3838

18 18

19 19

7 7

8 8

3 3

2 2

1 1

5 5

4 4

33 33

32 32

12 12

8 8

1010

11 11

33 33

14 14

33 33

9 9

15 15

13 13

3838

24 24

25 25

3939

16 16

27 27

20 20

3939

34 34

4040

34 34

3939

34 34

34 34

21 21

35 35

22 22

23 23

23 23

37 37

24 24

25 25

28 28

41

13

26 26

3838

36 36

30 30

31 31

29 29

9