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Teac MC-DX33 Service Manual
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Teac MC-DX33 Service Manual

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NOTES
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.
MC-DX33
Micro Hi-Fi system
CONTENTS
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Summary of Contents for Teac MC-DX33

  • Page 1: Table Of Contents

    MC-DX33 Micro Hi-Fi system NOTES CONTENTS 1 SAFETY INFORMATION PC board shown are viewed from parts side............2 SPECIFICATIONS The parts with no reference number or no parts number ................ in the exploded views are not supplied.

  • Page 2: Safety Information

    MC-DX33 1 SAFETY INFORMATION CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER- SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage”...

  • Page 3: Specifications

    MC-DX33 2 SPECIFICATIONS Amplifier Section Output Power (L+R) 5 W + 5 W Output Power (Subwoofer) 15 W Input Sensitivity 300 mV Frequency Response 50 to 20,000 Hz TUNER Section (FM) Frequency Range 87.50 to 108.00 MHz Sensitivity (S/N30dB) 20 dBμV/m...

  • Page 4: Adjustment And Check

    MC-DX33 3 ADJUSTMENTS AND CHECKS ALIGNMENT PROCEDURES AM I.F. ALIGNMENT 1. Set the POWER BUTTON to POWER "ON". 2. Set the Radio and band button to Radio and AM BAND. 3. Connect a SWEEPSCOPE OUTPUT to AM antenna terminal. 4. Connect a SWEEPSCOPE INPUT to pin17 of IC2 through a 1uf capacitor and ground.
  • Page 5 MC-DX33 CD ALIGNMENT Auto alignment.
  • Page 6 MC-DX33 4 EXPLODED VIEWS AND PARTS LIST...

  • Page 7: Exploded View And Parts List

    MC-DX33 EXPLODED VIEW PARTS LIST REF.NO PARTS NO. DESCRIPTION REMARK 1-1 56-04DX2200B00 FRONT CABINET (BLK) 56-04DX2200A040 FRONT CABINET (SILVER) 1-2 56-05DX2200B010 REAR CABINET (BLK) 56-05DX2200A010 REAR CABINET (SILVER) 1-3 56-0DX3300B010 VOLUME BOTTOM HOLDER (BLK) 56-0DX3300A000 VOLUME BOTTOM HOLDER (SILVER) 1-4 56-0DX3302B010 VOLUME COVER -R (BLK) 56-0DX3300A010 VOLUME COVER -R (SILVER) 1-5 56-0DX22039000 CD DESK BKT 1-6 56-0DX2214B000 REMOTE BKT (BLK) 56-0DX22108000 REMOTE BKT (SILVER) 1- 56-0DX2215B000 SHOCK ABSORBER BRACKET (BLK) 56-0DX22118000 SHOCK ABSORBER BRACKET (SILVER) 1-8...
  • Page 8 MC-DX33 EXPLODED VIEW PARTS LIST REF.NO PARTS NO. DESCRIPTION REMARK 1-3 05-DX33S200000 PCBA-SENSOR 1-38 05-DX33S3000000 PCBA-CD 1-39 20-0DA23Z10000 CD MECHANISM (SANYO) DA23Z1 1-40 56-60000000020 DOOR MOTOR PULLY 1-41 66-141430216121 SCREW TA/BWH 3X16MM(HEAD 10MM) (BLK) 1-42 58-26DX22000020 RUBBER FOOT39X9X3MM 1-43 58-26DX22010020 RUBBER RING DIA 5.4X3X0.8MM 1-44 58-43DX01500020 DRIVE BELT DIA31X1MM 1-45 58-44CD10100020 DC MOTOR 5V 1-46 58-61EX0M108120 SHOCK ABSORBER (GREY) 1-4 58-61MC23500020 SHOCK ABSORBER (GREY) 1-48...
  • Page 9 MC-DX33 EXPLODED VIEW PARTS LIST REF.NO PARTS NO. DESCRIPTION REMARK 1-8 66-120230160121 MACHINE SCREW MS/BH 3X6MM (BLK) 1-88 66-120240212121 MACHINE SCREW MS/BH 4x12MM (BLK) 1-89 66-140230210321 SELF-TAPPING SCREW TA/BH 3X10MM 1-90 66-140230212121 SELF-TAPPING SCREW TA/BH 3X12MM (BLK) 1-91 66-140230214121 SELF-TAPPING SCREW TA/BH 3X14MM (BLK) 1-92 66-120330160121 MACHINE SCREW MS/BH 3X6mm (BLK) 66-120330160321 MACHINE SCREW MS/BH 3X6mm (SLV) 1-93 66-141430214121 SCREW TA/BWH 4X14MM(HEAD 10MM) (BLK) 1-94 66-150230180123 HARDEN SCREW BTTB 3X8MM AB (BLK) 1-95 66-120526210321 MACHINE SCREW MS/KH 2.6X10mm (H:5mm) 1-96 66-140220150121 SELF-TAPPING SCREW TA/BH 2X5MM (BLK) 1-9 66-140226212311 SELF-TAPPING SCREW TA/BH 2.6X12MM (BLK)
  • Page 10 MC-DX33 MAIN PCB...

  • Page 11: Pc Boards And Parts List

    MC-DX33 5 PC BOARDS AND PARTS LIST MAIN PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S0100000 MAIN PCBA 48-01DX33B00220 MAIN PCB 94HB 13x92x1.6mm CN1,2 43-022200130120 WAFER 2mm 3P 90C CN203 43-022250120221 WAFER 2.5mm 2P 90C (BLACK) CN204 44-535316052520 2P RAINBOW WIRE 160mm HSG+TML(2) AA CN20 44-555260052621 2P COAXIAL CABLE L=60mm HSG+TML(2) AA CN501,502 43-022200130120 WAFER 2mm 3P 90C CN504 43-022200140120 WAFER 2mm 4P 90C CN508 43-02220010120 WAFER 2mm P 90C CN511 43-022150212120 WAFER 12P 1.5mm 90C...
  • Page 12 MC-DX33 CD PCB...
  • Page 13 MC-DX33 CD PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S3000000 PCBA-CD 48-30DX33B00220 CD PCB 94HB 101x9x1.6mm CN2 43-022100212120 SMD F.F.C WAFER 1mm 12P 90C (BLACK) CN5,6 43-022200120120 WAFER 2mm 2P 90C CN801 43-022100216220 F.F.C.WAFER 1mm 16P 90C CN802 43-012150160320 WAFER 1.5mm 6P 180C (DA23 & SAMSUNG CD) CN803 44-56532405620 3+3P SHIELD/WIRE L=240mm HSG+TML/90C(2) CN806,810 43-022200120120 WAFER 2mm 2P 90C CN808 44-315325052520 2P WIRE L=250mm HSG(2)x1 (UL100#26) D800 12-1N5819000021 RECTIFIER DIODE 1N5819 D801 12-011430320125 ZENER DIODE +-5% 4.3V 1/2W (T=52mm) IC801 16-LC8690N0121 IC (SANYO) LC8690NW-LR-UHK-E (SQFP80)
  • Page 14 MC-DX33 SWITCH PCB POWER PCB...
  • Page 15 MC-DX33 SWITCH PCB 1 ASSY REF.NO PARTS NO. DESCRIPTION REMARKS SWITCH PCBA DOOR OPEN SENSOR 48-23DX33B00220 SWITCH PCB (1) 94HB 20x11.4x1.6mm CN601 44-33528005220 2P RAINBOW WIRE80mm HSG(2)x1 (UL100#30) 41-01200010020 SERIES MICRO SWITCH SD-00A SWITCH PCB 2 ASSY REF.NO PARTS NO. DESCRIPTION REMARKS SWITCH PCBA DOOR CLOSE SENSOR 48-23DX33B01220 SWITCH PCB (2) 94V0 20x11.4x1.6mm CN601A 44-33528005220 2P RAINBOW WIRE80mm HSG(2)x1 (UL100#30) 41-01200010020 SERIES MICRO SWITCH SD-00A POWER PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S000000 POWER PCBA-SUB. 48-0DX33B00120 POWER (AMP) PCB 94V0 115x85x1.6mm C406,01 26-0140950111 E.CAP 400UF 35V +-20% (PH) 85C C18,19 26-0110050121 E.CAP 1000UF 16V +-20% 105C...
  • Page 16 MC-DX33 TUNER PCB...
  • Page 17 MC-DX33 TUNER PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S0200000 PCBA-TUNER 48-02DX33B00220 TUNER PCB 94HB 88.5x92x1.6mm CL2 38-013100050120 AXIAL INDUCTOR 10UH +-10% 350mA EC-24 CF201 31-02810001120 CERAMIC FILTER LT10.MSC10-A(3PIN)(RED) CF203 31-026450010110 CERAMIC FILTER (MURATA) SFU450B CF204 31-02810001120 CERAMIC FILTER LT10.MSC10-A(3PIN)(RED) CF205 31-03810020120 DISCRIMINATOR FILTER JT10.MG46-A (2PIN) CF206 31-046456000220 RESONATOR ZTB456F15 CN201 44-555260052620 2P COAXIAL CABLE L=60mm TML(2)x2 AA CN202,205,206 43-012200120120 WAFER 2mm 2P 180C CN20 31-02810001020 CERAMIC FILTER LT10.MJC10-A(3PIN)(RED) CN512 43-022150210120 WAFER 10P 1.5mm 90C...
  • Page 18 MC-DX33 DISPLAY PCB...
  • Page 19 MC-DX33 DISPLAY PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S0400000 PCBA-DIS "MCDX333S" EUR 48-04DX33B00220 DISPLAY PCB 84HB 14.5x89.5x1.6mm CN1 43-022200120120 WAFER 2mm 2P 90C CN2 43-022200120120 WAFER 2mm 2P 90C CN8 43-022100212221 SMD F.F.C WAFER 1mm 12P 90C W/TOP LOCK CN6,9 43-022150210120 WAFER 10P 1.5mm 90C D102,A2,DE101,DE102 12-1N41480000P1 SMD DIODE 1N4148 (1206) IC101 16-GY6550000021 MCU GY655 GENNY (80PIN QFP80) LCD 13-05DX33B00020 LCD DISPLAY SDH-DA144-TN-1 W/RDS LED1,LED2 13-011200121020 LED LAMP 2x4mm (WHITE) LF244W3CJ-1A/01/P LED3,LED4,LED5,LED6 13-011206022020 LED LAMP 2x4mm (BLUE)LF243B2CJ-2C-01 Q103 11-KTC9015S0025 SMD TRANSISTORS KTC9015S-C (KEC)
  • Page 20 MC-DX33 RCA JACK PCB LED PCB AUX PCB VOL PCB...
  • Page 21 MC-DX33 RCA JACK PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S0800000 RCA/D-S JACK PCBA 48-08DX33B00220 RCA JACK PCB 94HB 88x30x1.6mm CN801 43-462103003321 D-S TERMINAL #DSW-31 R1 CN802 43-012150160320 WAFER 1.5mm 6P 180C (DA23 & SAMSUNG CD) CN803 44-316315054320 4P WIRE L=150mm HSG(2.5)x1 (UL100#22) L801,802,803,804 38-103100050320 CHOKE COIL 10UH +-10% D6x8mm 1A LED PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS LED PCB ASS'Y 48-16DX33B00220 LED PCB 94HB 31x14x1.6mm D001 12-1N4148000021 DIODE 1N4148 D002 13-011309022020 LED LAMP 3mm(ORANGE/BLUE)LA309A2B2MA-C1 AUX PCB ASSY REF.NO PARTS NO. DESCRIPTION...
  • Page 22 MC-DX33 STANDBY PCB SENSOR PCB REMOTE CONTROL PCB...
  • Page 23 MC-DX33 STANDBY PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S0300000 PCBA-STANDBY 48-03DX33B00120 STANDBY PCB 94V0 60x80x1.6mm RL301 46-50MC23000000 RELAY ME--009 HL(MASSUSE) 9V 10A 6.5V CN301 43-012200130120 WAFER 2mm 3P 180C FU1 46-04100300020 SUBMINIATURE FUSE D8.5xH8mm 100mA/250V Q302 11-9014C0000021 NPN TRANSISTORS 9014C Q303 16-LM8L0500121 IC (LIBERAL) LM8L05 (9335102066) T301 18-205DX0150190 TRANSFORMER EI28 230V HF-V28A58 D309,310,311,312 12-1N4001000021 RECTIFIER DIODE 1N4001 1A 50V SENSOR PCB ASSY REF.NO PARTS NO. DESCRIPTION REMARKS 05-DX33S200000 SENSOR PCBA 48-2DX33B00220 SENSOR PCB 94HB 30.5x11.x1.6mm 1-05FM60380012 OPTIC SENSER (OPTO..) FM-6038TM2-5AN...

  • Page 24: Wiring Diagram

    MC-DX33 6 WIRING DIAGRAM MAIN PCB TUNER PCB CN103 AM ANT CN204 HP JACK PCB CN508 CD PCB CN504 CN501 CN502 HP JACK PCB CD PCB CD PCB TUNER PCB...
  • Page 25 MC-DX33 TUNER PCB MAIN PCB CN208 MAIN PCB CN206 CN202 MAIN PCB CN512 DISPLAY PCB...
  • Page 26 MC-DX33 CD PCB SENSOR PCB SWITCH PCB CN806 MOTOR MAIN PCB CN803 CD DECK CN802 CN801 CN810 CD DECK SWITCH PCB...

  • Page 27: Included Accessories

    MC-DX33 7 INCLUDED ACCESSORIES INCLUDED ACCESSORIES PARTS NO. DESCRIPTION REMARKS -20DX33S00020 OWNER'S MANUAL (E/F/S) -20DX33S00120 OWNER'S MANUAL (G/I/N) -21DX33S00020 QUICK GUIDE FOR CONNECTION (E) -21DX33S00120 WALL MOUNTING SHEET (E) 45-194150000020 FM antenna L=1.5M "CE/ 5" #STV8-1H-1500 32-0DX22000020 AM LOOP ANTENNA (8T 2.5/L1M) 45-244200059120 Subwoofer cable, 9 PIN S TERMINAL BLACK 45-244200059010 Subwoofer cable, 9 PIN S TERMINAL GREY f/SILVER 45-164250051120 Speaker cable, 1 PIN BLACK w/WHITE RCA PULGS 45-164250151120 Speaker cable, 1 PIN BLACK w/RED RCA PULGS 45-164250051020 Speaker cable, 1 PIN GREY w/2 WHITE RCA PULGS f/SILVER 45-164250151020 Speaker cable, 1 PIN GREY w/2 RED RCA PULGS f/SILVER 45-263500000220 Mini plug cable, CONNECT CORD 3.5 ST/PLUGS BLACK 45-263500000120 Mini plug cable, CONNECT CORD 3.5 ST/PLUGS WHITE f/SILVER 61-11DX22000320 Wall mount bracket STEEL BRACKET 83 x 20 x 1.6 BLACK 61-11DX22000020 Wall mount bracket STEEL BRACKET 83 x 20 x 1.6 SILVER 66-120526210321 Screw (short), MACHINE MS/KH 2.6 X 10mm...
  • Page 28 7733 Telegraph Road, Montebello, California 90640 Phone: (323) 726-0303 TEAC CANADA LTD. 5939 Wallace Street, Mississauga, Ontario L4Z 1Z8, Canada Phone: (905) 890-8008 TEAC MEXICO, S.A. De C.V Río Churubusco 364, Colonia Del Carmen, Delegación Coyoacán, CP 04100, México DF, México Phone:(5255)5010-6000 TEAC UK LIMITED Unit 19 &...
  • Page 29 Power+SUB PCB See Standby curcuit MC-DX33 Micro Hi-Fi system...
  • Page 30 Power+SUB PCB MC-DX33 Micro Hi-Fi system...
  • Page 31 MAIN PCB MC-DX33 Micro Hi-Fi system...
  • Page 32 TUNER PCB MC-DX33 Micro Hi-Fi system...
  • Page 33 STANDBY PCB MC-DX33 Micro Hi-Fi system...
  • Page 34 MCU SCHEMATIC MC-DX33 Micro Hi-Fi system...
  • Page 35 MAIN PCB MC-DX33 Micro Hi-Fi system...
  • Page 36 CD PCB MC-DX33 Micro Hi-Fi system...