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TEAC
MC-DX25
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.
!
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 5 8 16 18
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.
MC-DX25
1 SPECIFICATIONS
Amplifier Section
Output Power (L+R) 5W + 5W Output Power Subwoofer: 15 W Input Sensitivity 300mV 50 to 20,000 Hz Frequency Response :
Tuner Section (FM)
Frequency Range Sensitivity (S/N30dB) 87.5 MHz to 108.0 MHz 20dBuV
Tuner Section (AM)
Frequency Range Sensitivity (S/N20dB) 522 to 1620 kHz 54dBuV/m
CD Player Section
Frequency Responce Signa-to-Noise Ratio Wow and Flutter 20 to 20,000 Hz (+/-1dB) 55 dB Unmeasurable
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 ): AC230V, 50 Hz 80 W (standby: less than 1.4W) Main Unit 160 x 226 x 86 mm
L & R Speaker 140 x 226 x 61mm Subwoofer 160 x 234 x 330mm
Weight: (net)
Main Unit Subwoofer
1.15 kg 5.4 kg
L & R Speaker 0.6 kg(each)
Standard Accessories:
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
MC-DX25
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.
2-2 Adjustment and Test Points
T205
T203 L201
SVC201
T206
L202
T204
SVC202
MC-DX25 MAIN(TUNER) PCB
3
MC-DX25
2-2-1 FM/AM alignment chart
ITEM
SG SETTING
TUNER SETTING
ADJUSTMENT POINT
ADJUSTMENT
FM
1.IFT adjustment
10.7 MHz 1kHz, +/-22.5kHz dev.
87.5MHz 1kHz, +/-22.5kHz dev.
108MHz
T205
With 10.7 MHz at zero crossover
2. FM band
87.5MHz
L202
90MHz 1kHz, +/-22.5kHz dev. 3. Tracking 106MHz 1kHz, +/-22.5kHz dev. Repeat step 3 AM 1. IF adjustment 455kHz 1kHz, 30% mod 522kHz 1kHz, 30% mod
90MHz
L201
Adjust for max. output and best waveform.
106MHz
SVC201
1620kHz
T203
Center for max. output.
2. AM band
522kHz
T206
600kHz 1kHz, 30% mod 3. Tracking 1400kHz 1kHz, 30% mod
600kHz
AM ant coil (T204)
Adjust for max. output and best waveform.
1400kHz
SVC202
Repeat step 3
2-3 CD SECTION
Auto alignment.
4
3. EXPLODED VIEWS AND PARTS LIST
EXPLODED VIEW - 1
MC-DX25
5
MC-DX25
EXPLODED VIEW-1
REF. NO
1-1 1-2 1-3 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 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 1-38 1-39 1-40 1-41 1-42 1-43 1-44 1-45 1-46 1-47 1-48 1-49 1-50
PARTS NO.
56-04DX0150A030 56-05DX0150A020 56-07DX01539000 56-07DX0154A000 56-07DX0155A000 56-14DX0150A050 56-24DX01500000 56-24DX01510000 56-53DX0150A010 56-53DX0151A000 56-54DX0151A010 56-57DX01510000 56-57DX01532000 56-57DX01540010 56-57DX01559000 56-57DX01569000 56-760000000020 56-57DX0151A000 56-07DX01569000 56-07DX01579000 56-07DX01589000 56-22DX0151B000 56-57DX01520000 57-262392590020 58-262982300020 58-43DX01500020 58-44DX01500420 58-58DX01500420 45-114200510008 58-61EX0M108120 58-61MC23500020 58-61MC23500120 61-11DX01500021 61-11DX01500121 61-11DX01500321 61-11DX01500420 61-11DX01500520 61-68DX01500020 61-80DX01500020 66-120226210321 66-120320130321 66-120526160311 66-140220160321 66-140226180321 66-140226210321 66-140520170121 66-140326180321 66-140526210321 20-70CMSM93B000 05-01DX01500100
DESCRIPTION
FRONT CABINET REAR CABINET CD BRACKET FULL WALL PLATE-UNIT FULL WALL PLATE-SPEAKER CD DOOR CD DOOR GEAR STRAP GEAR CD DOOR OPEN KNOB CD KNOB POWER KNOB-UNIT CD DOOR LENS REMOTE LENS DISPLAY LENS KNOB RING-L KNOB RING-R DOOR MOTOR PULLY CD DOOR CHROME RING REMOTE BRACKET DISPLAY BRACKET RUBBER HOLDER LIGHT COVER BACK LIGHT LENS-UNIT FILTER SHEET RUBBER FOOT-UNIT DRIVE BELT DIA31X1MM MOTOR 3V RUBBER RING DIA5.4X3X1MM AC CORD BS PLUG VDE APP CORD SHOCK ABSORBER (GREY) SHOCK ABSORBER (GREY) SHOCK ABSORBER (BLACK) FERRUM PLATE (SCREW HOLE) FERRUM PLATE (HOLE) MOTOR BRACKET FERRUM PLATE - C FERRUM PLATE - D CD ALUM COVER FERRUM SHAFT 155X3MM MACHINE SCREW MS/BH 2.6X10MM MACHINE SCREW MS/PH 2X3MM MACHINE SCREW MS/KH 2.6X6MM SELF-TAPPING SCREW TA/BH 2X6MM SELF-TAPPING SCREW TA/BH 2.6X8MM SELF-TAPPING SCREW TA/BH 2.6X10MM SELF-TAPPING SCREW TA/KH 2X7MM SELF-TAPPING SCREW TA/BH 2.6X8MM SELF-TAPPING SCREW TA/KH2.6X10MM CD MECHANISM MAIN(TUNER) PCB ASSY
REMARKS
!
6
MC-DX25
EXPLODED VIEW-1
REF. NO
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 1-71 1-72 1-73 1-74 1-75 1-76 1-77 1-78 1-79 1-80 1-81 1-82 1-83 1-84 1-85 1-86 1-87 1-88 1-89 1-90 1-91 1-92 1-93 1-94
PARTS NO.
05-05DX01500020 05-09DX01500010 05-30DX01510100 19-50DX25M00000 19-50DX25M00001 56-58EX0M118000 58-262702250020 56-57DX02509000 48-16DX01500221 56-85DX0250A000 56-87DX02508000 58-263253150020 58-73DX02500020 18-205DX0150120 19-021153300120 41-172111000310 43-500000002020 56-22DX01508000 58-58DX01500320 61-11V600000020 61-11V820010020 61-33DX02500020 61-48DX01500020 61-48DX01500120 66-140230210321 66-141136216121 66-141430212121 66-120240212121 66-140230212121 66-140230214121 66-150230180123 66-120230160121 67-021400000020 68-112403101000 05-03DX01500000 05-07DX01500010 05-08DX01500010 56-43DX0150A000 56-43DX01518000 56-44DX01508000 57-33DX01500220 05-13DX01500000 48-23DX0150022A 48-23DX01500220
DESCRIPTION
KEY/DISPLAY PCB ASSY HP/AUX PCB ASSY CD(MP3) PCB ASSY SPEAKER BOX UNIT-R SPEAKER BOX UNIT-L LOGO BADGE - TEAC RUBBER FOOT SPK DIA7X2.5MM LIGHT LENS - SUBWOOFER BOX LED PCB ASSY SUBWOOFER PANEL PLASTIC TUBE RUBBER FOOT DIA 25MM SUBWOOFER BOX H/TRANSFORMER EI66 230V/50HZ SPEAKER 8 OHM / 5W SWITCH AC CORD BUSHING PCB COVER CUSHION 106X40X1MM PCB BRACKET PCB FIX BRACKET - B SUB. REAR PANEL HEATSINK - A HEATSINK - B SELF-TAPPING SCREW TA/BH 3X10MM SELF-TAPPING SCREW TA/RH 3.6X16MM(BLK) SELF-TAPPING SCREW TA/BWH 3X12MM(BLK) MACHINE SCREW MS/BH4X12MM (BLK) SELF-TAPPING SCREW TA/BH 3X12MM (BLK) SELF-TAPPING SCREW TA/BH 3X14MM (BLK) HARDEN SCREW TTB 3X8MM AB (BLK) MACHINE SCREW MS/BH 3X6MM (BLK) NUT M4MM METAL WASHER 4X10X1MM STANDBY PCB ASSY SUBWOOFER POWER PCB ASSY RCA/D-S JACK PCB ASSY REMOTE FRONT CABINET REMOTE REAR CABINET REMOTE BATTERY DOOR REMOTE PLATE (TEAC-RC970) REMOTE PCB ASSY CLOSE SW PCB ASSY OPEN SW PCB ASSY
REMARKS
!
7
MC-DX25
4 PC BOARDS AND PARTS LIST
MAIN (TUNER)PCB ASSY
REF. NO PARTS NO.
05-01DX01500100 48-01DX01500224 31-058880000110 31-028107000120 31-026450010110 31-038107020120 31-046456000220 43-462103003320 43-012200180120 43-022250120120 43-012200130120 43-012200150120 43-012200140120 43-012250120120 12-1N5822000021 12-1N4148000021 12-1N4001000021 16-LA1832000021 16-LC7213100021 16-BU1924F00021 16-LC7534200021 16-MC34063A0021 16-SC1308000021 43-421000003210 38-014100050020
DESCRIPTION
MAIN(TUNER) PCB ASSY MAIN(TUNER) PCB BAND PASS FILTER #GFMB3-SE FILTER LT10.7MA5 FILTER SFU450B FILTER JT10.7MG46-A RESONATOR ZTB456F15 D-S TERMINAL #DSW-31 WAFER 2MM 8 PIN WAFER 2.5MM 2PIN WAFER 2MM 3 PIN WAFER 2MM 5 PIN WAFER 2MM 4 PIN WAFER 2.5MM 2PIN RECTIFIER DIODE 1N5822 DIODE 1N4148 DIODE 1N4001 IC - LA1832 IC - LC72131 IC - BU1924F IC - LC75342 IC - MC34063A IC - SC1308-01 COAXIAL JACK IF-01A AXIAL INDUCTOR 100UH AXIAL INDUCTOR 10UH #EC-36 AXIAL INDUCTOR 10UH #EC24 CHOKE COIL 230UH CHOKE COIL 20UH TR - 9014C
REMARKS
BT201 CF201,204 CF203 CF205 CF206 CN1 CN201,504 CN203 CN501,505A,702 CN503 CN505B CN703 D8 D201-204,705 D601,602,708 IC202 IC203 IC204 IC501 IC702 IC703 JK201 L204
L205,404,406 38-013100050220 L206, R241 38-013100050120 L701 38-104230050020 L702 38-103200050020 Q201-203,501,502,11-9014C0000021 Q705,706,715 Q204,207,701 Q205 Q401,208,716 Q703 Q704 Q712,713 RF201 SVC202 T203 T204 T206 VD203,204 X201 X202 ZD202 ZD401 ZD701 ZD702 11-9015C0000021 11-9018F0000021 11-8050C0000021 11-KSD882Y00021 11-KSB772YS0021 11-8550C0000021 37-09A150000020 27-501802201020 40-02A049004020 40-023120000020 40-02660R002020 12-SVC321SPA021 31-017450002030 31-017433202020 12-011620320121 12-011470320121 12-012110320121 12-011910320121
TR - 9015C TR - 9018F TR - 8050C TR - KSD882Y TR - KSB772SY TR - 8550C TUNER #FE450-G11 TRIMMER 20PF IFT 7MM A049 - YELLOW IFT 7MM 312A - BLACK IFT 7MM 660R - RED VARICAP DIODE SVC321SPA CRYSTAL 4.5 MHZ CRYSTAL 4.332MHZ ZENER DIODE 6.2V ZENER DIODE 4.7V ZENER DIODE 11V ZENER DIODE 9.1V
8
MC-DX25
MAIN(TUNER) PCB
9
MC-DX25
CD(MP3) PCB ASSY - TOP
REF. NO PARTS NO.
05-30DX01510100 48-30DX01500322 16-S1L9226X0021 16-S5L927900021 16-S3P825A00421 16-M12L16160021 16-KA9259D00021
DESCRIPTION
CD(MP3) PCB ASSY CD(MP3) PCB IC - S1L9226X01 IC - S5L9279X01 IC - S3P825A IC - M12L16161A IC - KA9259D
REMARKS
IC2 IC4 IC7 IC8 IC9
CD(MP3) PCB ASSY - BOTTOM
REF. NO
C56 CN2 CN3 CN4 CN5,9
PARTS NO.
!
26-017220650121 43-022100216020 43-012150160320 43-022200120120 43-022200130120 12-1N4148000021
DESCRIPTION
E.CAP 2200UF/10V F.F.C WAFER 1MM 16 PIN WAFER 1.5MM 6 PIN WAFER 2MM 2 PIN WAFER 2MM 3 PIN DIODE 1N4148
REMARKS
D1-5,9-11,55,56, D62,66,67,71,71, D73,78 D6,8,12 ! D7 L1,2,3 Q1,7,9,10 Q2,3,4,8 Q5 X1 X2 X3
12-011390320121 12-1N5819000021 38-013100050020 11-9015C0000021 11-9014C0000021 11-8550C0000021 31-018169302220 31-015320003310 31-017800002120
ZENER DIODE 3.9V RECTIFIER DIODE 1N5819 AXIAL INDUCTOR 10UH TR - 9015C TR - 9014C TR - 8550C CRYSTAL 16.9344MHZ. CRYSTAL 32.768KHZ CRYSTAL 8.000MHZ
10
MC-DX25
CD(MP3) PCB - TOP
CD(MP3) PCB - BOTTOM
11
MC-DX25
SUBWOOFER POWER PCB ASSY
REF. NO PARTS NO.
05-07DX01500010 48-07DX01500123 43-012250130120 43-012200190120 43-012200130120 43-012250150120 43-012250140120 43-012250120120 26-017470950111 26-017470850121 26-017100750121 12-1N4001000021 12-1N5401000021 12-RL2020000021 12-1N4148000021 46-055350300010 46-055400300010 11-9014C0000021 11-2SD1936T0021 16-TA8216H00021 16-BA4558N00021 16-BA5417000021 12-011910320121
DESCRIPTION
SUBWOOFER POWER PCB ASSY SUBWOOFER POWER PCB WAFER 2.5MM 3 PIN WAFER 2MM 9 PIN WAFER 2MM 3PIN WAFER 2.5MM 5 PIN WAFER 2.5MM 4 PIN WAFER 2.5MM 2 PIN E.CAP - 4700UF/35V E.CAP - 4700UF/25V E.CAP - 1000UF/16V RECTIFIER DIODE 1N4001 RECTIFIER DIODE 1N5401 RECTIFIER DIODE RL-202 DIODE 1N4148 GLASS FUSE 3.5A/250V GLASS FUSE T4A/250V TR - 9014C TR - 2SD1936T IC - TA8216H IC - BA4558N IC - BA5417 ZENER DIODE 9.1V
REMARKS
CN1 CN2 CN3 CN4 CN5 CN6 C406 C701 C718,719 D301,706 D401-404 D701-704 D705,707
! ! ! ! !
! FU2,3 ! FU4 Q301,709 Q707,708,710 U1
U2 U3 ZD1,2
RCA/D-S JACK PCB ASSY
REF. NO PARTS NO.
05-08DX01500010 48-08DX01500220 43-462103003320 38-103100050320 43-451200006120
DESCRIPTION
RCA/D-S JACK PCB ASSY RCA/D-S PCB D-S TERMINAL #DSW-31 CHOKE COIL 10UH RCA JACK 2PIN - TC58-345-32
REMARKS
CN801 L801-804 RCA801
12
MC-DX25
SUBWOOFER POWER PCB
RCA/D-S JACK PCB
13
MC-DX25
KEY / DISPLAY PCB ASSY
REF. NO PARTS NO.
05-05DX01500020 48-05DX01500120 13-05DX01500120 13-011300022020 13-011506022120 11-9015C0000021 17-05FM60380011 41-150010030020
DESCRIPTION
KEY/DISPLAY PCB ASSY KEY/DISPLAY PCB LCD DISPLAY SDH-DA797-TN-1 LED D3MM - WHITE LED D5MM - BLUE TR - 9015C OPTIC SENSOR FM-6038TM2-5A TACH SW 6x6mm 4 LEGS
REMARKS
LCD LED1,3 LED2,4 Q707 REM SW1-13
STANDBY PCB ASSY
REF. NO PARTS NO.
05-03DX01500000 48-03DX01500123 43-012200130120 12-1N4001000021 46-074100300020 11-9014C0000021 16-LM78L0500121 46-50MC23000000 18-205DX0150190
DESCRIPTION
STANDBY PCB ASSY STANDBY PCB WAFER 3PIN P=2MM DIODE - 1N4001 SUBMINIATURE FUSE 100MA/250V TR - 9014C IC - LM78L05 RELAY ME-7-009 TRANSFORMER EI28 - HF-V28A58
REMARKS
CN301 D309-315 FU1 Q302 Q303 RL301 T301
!
!
HP/AUX JACK PCB ASSY
REF. NO PARTS NO.
05-09DX01500010 48-09DX01500120 43-451200012020 43-431360004020 38-013100050220 32-031351600025
DESCRIPTION
HP/AUX PCB ASSY HP/AUX PCB RCA JACK 2PIN TC58-345-31 PHONE JACK 3.5MM-TC38-067-05 AXIAL INDUCTOR 10UH FERRITE BEAD 3.5x6x0.8TB
REMARKS
AUX HEADPHONE L401,402,405 L403
LED PCB ASSY
REF. NO PARTS NO.
48-16DX01500221 13-011309022020
DESCRIPTION
LED PCB ASSY LED LAMP 3MM - ORANGE/BLUE
REMARKS
OPEN SW PCB ASSY
REF. NO PARTS NO.
48-23DX01500220 41-071200010020
DESCRIPTION
OPEN SW PCB ASSY SERIES MICRO SWITCH SD-007A
REMARKS
CLOSE SW PCB ASSY
REF. NO PARTS NO.
48-23DX0150022A 41-071200010020
DESCRIPTION
CLOSE SW PCB ASSY SERIES MICRO SWITCH SD-007A
REMARKS
14
MC-DX25
KEY/DISPLAY PCB
STANDBY PCB
HP/AUX JACK PCB
LED PCB
OPEN SW PCB
CLOSE SW PCB
15
MC-DX25
5 WIRING DIAGRAM
MAIN(TUNER) PCB
FM ANT
CN201
T CD PCB CN6
CN503
TO CD PCB CN1
CN504 TO CD PCB CN8 CN505A CN505B
CN1
TO RCA/D-S PCB CN801
CN702
TO DISPLAY PCB CN702A
TO HP/AUX PCB CN505
TO DISPLAY PCB CN703A
16
MC-DX25
CD(MP3) PCB - BOTTOM
CN1 CN3 TO CD DECK TO MAIN PCB CN503
CN6
TO MAIN PCB CN201
TO MAIN PCB CN504
CN8
CN5 TO CD DOOR SW CN10 CN9 TO MOTOR CN4
TO KEY/DISPLAY PCB CN10A
TO KEY/DISPLAY PCB CN9A
TO SPEAKER
SUBWOOFER POWER PCB
CN6 CN5 CN2
TO RCA/D-S JACK PCBCN802
TO LED PCB
CN1 CN4
TO TRANSFORMER
TO RCA/D-S JACK PCB CN803
17
MC-DX25
6 INCLUDED ACCESSORIES
INCLUDED ACCESSORIES
REF. NO PARTS NO.
77-20DX02500020 02-17DX01500010 45-194150000020 02-32DX01500000 45-164250051020 45-164250151020 51-021301000050 45-244200059020
DESCRIPTION
INSTRUCTION BOOK (E) REMOTE CONTROL - RC970 FM ANT 1.5M - BLACK AM LOOP ANT ASSY SPEAKER CABLE - WHITE SPEAKER CABLE - RED LITHIUM BATTERY CR2032 9 PIN S TERMINAL CABLE - GREY
REMARKS
18
MC-DX25
TEAC CORPORATION 3-7-3 Nakacho, Musashino-shi, Tokyo 180-8550, Japan
TEAC AMERICA, INC. TEAC CANADA LTD. TEAC MEXICO, S.A.De C.V. TEAC UK LIMITED TEAC EUROPE GmbH TEAC ITALIANA S.p.A.
Phone:(0422)52-5081
7733 Telegraph Road, Montebello, California 90640 Phone: (323)726-0303 5939 Wallace Street, Mississauga, Ontario L4Z 1Z8, Canada Phone: (905)-890-8008 Campesinos N 184,Colonia.Granjas Esmeraida, Delegacion Iztapalapa,CP 09810,Mexico DF Phone: (525)-581-5500 Unit 19 & 20, The Courtyards, Hatters Lane, Watford, Hertfordshire, WD18 8TE5, U.K. Phone:(0845) 130-2511 Bahnstrasse 12, 65205 Wiesbaden-Erbenheim, Germany Phone: 0611-71580 Via C, Cantu 9/A, 20092 Cinisello Balsamo, Milano, Italy Phone:02-66010550
C
TEAC AUSTRALIA PTY., LTD. 280 William Street, Melbourne VIC 3000, Australia Phone:(03)9672-2400 A.B.N. 80 005 408 462
OCT
2005
PREPARED IN HONG KONG
MAIN(TUNER) PCB - 1
*
MICRO HI-FI SYSTEM
MC-DX25
MAIN(TUNER) PCB - 2
100 100
C416 470P 35V 100
MC
L406 10UH
HEADPHONE
KSD882 Q701 9015C
L404 10UH
L405 100
MC-DX25
MICRO HI-FI SYSTEM
CD (MP3) PCB
C56 2200UF 10V
!
MC-DX25
MICRO HI-FI SYSTEM
SUBWOOFER POWER PCB
2 N U
2 N
U3
! ! ! ! ! !
! ! !
!
! !
!
!
! !
MC-DX25
MICRO HI-FI SYSTEM
LOW POWER STANDBY PCB
MC-DX25
MICRO HI-FI SYSTEM