Teac MC-DX32i Service Manual

MC-DX32i

MICRO Hi-Fi SYSTEM

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.

1 SAFETY INFORMATION
2 SPECIFICATIONS

3 ADJUSTMENT AND CHECKS

4 EXPLODED VIEW AND PARTS LIST

5 PC BOARDS AND PARTS LISTS

6 WIRING DIAGRAM

7 INCLUDED ACCESSORIES

2

3

4

6

10

20

22

MC-DX32i

1 SAFETY INFORMATION

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 .

CAUTION

USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY

HAZARDOUS RADIATION EXPOSURE.RESULT IN

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.

1

1

FOR U. S.A.

Opt ical pi ckup:
Type : D A23Z1
Man ufact urer : SA NYO Ele ctric -Co., L td
Las er outp ut : Less t han 0.5 m W on the ob jecti ve lens
Wavelength : 765 - 815 nm

2

2 SPECIFICATIONS

MC-DX32i

Amplifier Section

Output Power (L+R)
Output Power Subwoofer:

Input Sensitivity
Frequency Response :

Tuner Section (FM)

Frequency Range
Sensitivity (S/N30dB)

87.5 MHz to 108.0 MHz

Tuner Section (AM)

Frequency Range
Sensitivity (S/N20dB)

CD Player Section

Frequency Responce
Signa-to-Noise Ratio
Wow and Flutter

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

SPEAKER SYSTEM Section

L & R speaker :
Type :
Impedance :

Subwoofer:
Impedance :

5W + 5W

15 W

300mV

50 to 20,000 Hz

20dBuV

520 to 1710 kHz

54dBuV/m

55 dB

Unmeasurable

Full range flat type

4 ohms

8 ohms

Standard Accessories:

Remote control unit x 1
Battery for remote control unit x 1
Dock adaptor x 8

(adaptor “60GB(color)+ Photo 40GB/60GB” premounted)
Cover for the dock x 1

Subwoofer cable x 1
Speaker cable x 2

FM antenna x 1

AM antenna x 1
Stereo mini plug cable x 1

Wall mount brackets x 4
Screw (short) x 8

Screw (long) x 4
Tape plastic wall anchor x 4
Guide sheet for wall mounting x 2
Owner s manual x 1
Warranty card x 1

Quick guide for connection x 1

GENERAL

Power Requirements:

Power Consumption:

Dimension (W x H x D ):

Main Unit 255 x 169.5 x 115 mm

L & R Speaker 210x 169.5 x 81mm
Subwoofer 160 x 245 x 335mm

Weight: (net)

L & R Speaker 0.7 kg(each)

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

AC120V, 60 Hz

80 W

Main Unit 1.4 kg

Subwoofer 5.3 kg

3

MC-DX32i

3 ADJUSTMENTS AND CHECKS

3-1 TUNER SECTION

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

3-1-1 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 TUNER PCB.

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 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.

3-2 Adjustment and Test Points

SVC 202

TUNER

L202

SVC 201

T20 5

L201

T20 6

T20 4

T20 3

RADIO PCB

4

3-2-1 FM/AM alignment chart

MC-DX32i

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

450kHz

1kHz, 30% mod

TUN ER SETTING

108MHz

87.5MHz

90MHz

106MHz

1710kHz

ADJUS TMENT POINT

T205

L202

L201

SVC 201

T203

ADJUS TMENT

With 10.7 MHz at
zero crossover

Adjust for max. output
and best waveform.

Center for max. output.

2. AM band

3. Tracking

1kHz, 30% mod

1kHz, 30% mod

3-3 CD SECTION

Auto alignment.

520kHz

600kHz
1kHz, 30% mod

1400kHz

Repeat step 3

520kHz

600kHz

1400kHz

T206

T204

Adjust for max. output
and best waveform.

SVC 202

5

MC-DX32i

4. EXPLODED VIEWS AND PARTS

EXPLODED VIE

W

-1

6

EXPLODED VIEW-1

REF. NO

1-1
1-2
1-3
1-4
1-5

PARTS NO.

56-04DX2200B030
56-05DX2200B010
56-07DX2200B010
56-07DX2201B000
56-07DX22039000

DESCRIPTION

FRONT CABINET
REAR CABINET
IPOD FRONT CABINET
IPOD BOTTOM CABINET
CD DESK BRACKET

MC-DX32i

REMARKS

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
1-25

1-26
1-27
1-28
1-29
1-30

56-07DX22I4B000
56-07DX22I5B000
56-14DX2200B000
61-68CD10I00020
56-22DX22I1B000

56-22DX22I2B000
56-24DX01500000
56-24DX01510000
56-54DX22I0A000
56-54DX22I1A010

56-54DX22I2A000
56-54DX22I3A010
56-57DX22I00000
56-57DX22010000
56-57DX22022000

56-57DX22030020
56-64DX22I0B000
56-67DX22009000
56-78DX22009000
56-78DX2202G000

56-07X20000B000
56-27X20000B000
56-22SRLXI0B000
05-01DX32I00000
05-02DX32I00001

REMOTE BRACKET
SHOCK ABSORBER BRACKET
CD DOOR
CD ALUM COVER
LED LEW COVER

PROTECT COVER
CD DOOR GEAR
STRAP GEAR
FUNCTION KNOB GROUP -1
FUNCTION KNOB GROUP -2

PLAY KNOB GROUP
IP VOL KNOB
CD DOOR LENS
BACKLIGHT LENS
REMOTE LENS

DISPLAY LENS
LATCH
PCB BRACKET
SHINE RING
CD DOOR RING

AM ANT STAND - BLACK

AM ANT HOLDER - BLACK
IPOD COVER - BLACK
MAIN PCB ASSY
RADIO PCB ASSY

1-31
1-32
1-33
1-34
1-35

1-36
1-37
1-38
1-39
1-40

05-04DX32I00001
56-07DX22029000
57-26DX22000020
66-140326180321
05-08DX32I00000

05-09DX32I00000
05-27DX32I00000
05-30DX32I00001
20-70DA23Z10000
56-760000000020

DISPLAY PCB ASSY
BACKLIGHT BRACKET
FILTER SHEET
SELF-TAPPING SCREW TA/PH2.6X8MM
IPOD SOCKET PCB ASSY

HP PCB ASSY
SENSOR PCB ASSY
CD PCB ASSY
CD MECHANISM
DOOR MOTOR PULLY

7

MC-DX32i

EXPLODED VIEW-1

REF. NO

1-41
1-42
1-43
1-44
1-45

PARTS NO.

58-263102300120
58-26DX22000020
58-26DX220I0020
58-43DX01500020
58-44CD10I00020 DC MOTOR 5V

DESCRIPTION

RUBBER FOOT - BLACK
RUBBER FOOT W/TAPE
RUBBER RING DIA5.4X3X0.8MM
DRIVE BELT DIA31X1MM

REMARKS

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
1-60

1-61
1-62
1-63
1-64
1-65

1-66
1-67
1-68
1-69
1-70

58-61EX0M108120
58-61MC23500020
58-61MC23500120
19050DX220I0220
19050DX220I0320

56-58EXM5M0A000
61-11CDX0900020

!

18-203DX0150120
05-07DX32I00000
61-48DX01500020

05-08DX01500000
190021153300120

41-172111000310
43-500000002020
56-22DX0150B000

56-57CDX0936000
56-78CD10I0B000
56-85CD10I0B010
56-87CDX090B000
58-263253150020

58-73DX01500121
61-11V600000020
61-11V820010020
61-11DX01500321
61-33DX32I00021

SHOCK ABSORBER - GREY
SHOCK ABSORBER - GREY
SHOCK ABSORBER - BLACK
SPEAKER BOX UNIT-L
SPEAKER BOX UNIT-R

LOGO BADGE
DS METAL PLATE
H/TRANSFORMER EI66 120V/60HZ
SUBWOOFER POWER PCB ASSY
HEAT SINK - A

RCA/D-S JACK PCB ASSY
SPEAKER 8 OHM 30W
SWITCH #MR2-111-CM-BB3NW-V0

AC CORD BUSHING

PCB COVER

LIGHT LENS
SAFEGUARD RING/SUB
SUBWOOFER PANEL
PLASTIC TUBE
RUBBER FOOT DIA25MM

SUBWOOFER BOX
PCB BRACKET
PCB FIX BRACKET(B)
MOTOR BRACKET
SUBWOOFER REAR PANEL

1-71
1-72
1-73
1-74
1-75

1-76
1-77
1-78
1-79
1-80

61-11DX22000122
61-11DX22000222
61-80DX01500020
05-13CD10I00000
51-021301000080

56-43DX0150B010
56-43DX0151B010
56-44DX0150B010
57-33CD10I00020
61-11DX01500220

WEIGHT STEEL - 159X67.5X4MM

WEIGHT STEEL - 159X67.5X2MM
FERRUM SHAFT
REMOTE PCB ASSY
LITHIUM BATTERY CR2032

REMOTE FRONT CABINET
REMOTE REAR CABINET
REMOTE BATTERY DOOR
REMOTE PLATE
REMOTE AGGRAVATE FERRUM

8

EXPLODED VIEW-1

REF. NO

1-81
1-82
1-83
1-84
1-85

PARTS NO.

61-25DX01500021
61-25DX01500120
66-140520170121
58-58DX01500320
67-021400000020

DESCRIPTION

BATTERY PLATE (+)
BATTERY PLATE (-)
SELF-TAPPING SCREW TA/KH2X7MM (BLK)
CUSHION 106X40X1MM
NUT M4MM

MC-DX32i

REMARKS

1-86
1-87
1-88
1-89
1-90

1-91
1-92
1-93
1-94
1-95

1-96
1-97
1-98
1-99
1-100

1-101
1-102
1-103
1-104
1-105

1-106
1-107
1-108

1-109
1-110

68-112403101000
66-120230160121
66-120240212121
66-140230210321
66-140230212121

66-140230214121
66-120330160321
66-141430212121
66-150230180123
66-120526210321

66-140220150121
66-140226212311
66-140230180321
66-140330180321
66-140330210321

66-140330212321
66-140330212121
66-140526180311
66-140226180321
66-140530212321

66-150530210321
57-08DX01500020
61-30DX22I00020
66-140230210121
66-140330180121

METAL WASHER 4X10X1MM
MACHINE SCREW MS/BH3X6MM (BLK)
MACHINE SCREW MS/BH4X12MM (BLK)
SELF-TAPPING TA/BH3X10MM
SELF-TAPPING TA/BH3X12MM (BLK)

SELF-TAPPING TA/BH3X14MM (BLK)
MACHINE SCREW MS/PH3X6MM
SCREW TA/BWH3X12MM (BLK)
HARDEN SCREW BTTB3X8MM (BLK)
MACHINE SCREW MS/KH2.6X10MM

SELF-TAPPING TA/BH2X5MM (BLK)
SELF-TAPPING TA/BH2.6X12MM (BLK)
SELF-TAPPING TA/BH3X8MM
SELF-TAPPING TA/PH3X8MM
SELF-TAPPING TA/PH3X10MM

SELF-TAPPING TA/PH3X12MM
SELF-TAPPING TA/PH3X14MM (BLK)
SELF-TAPPING TA/KH2.6X8MM
SELF-TAPPING TA/BH2.6X8MM
SELF-TAPPING TA/KH3X12MM (BLK)

SELF-TAPPING TB/KH3X10MM (BLK)
CD DOOR PVC PLATE DIA61.8MM
KNOB COVER
SELF-TAPPING SCREW TA/BH 3X10MM
SELF-TAPPING SCREW TA/KH 3X8MM (BLK)

(BLK)

1-111
1-112 05-11DX32I00000
1-113

66-141430216121

05-03DX32I00000

SCREW TA/BWH 3X16MM (BLK)
TV BOARD ASSY
STANDBY PCB ASSY

9