Akai ACR-133MMU Service Manual
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Akai ACR-133MMU Service Manual

Akai ACR-133MMU Service Manual

Cd/mp3/usb–reciver
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CD/MP3/USB–RECIVER
Model:
ACR 133MMU
SERVICE MANUAL
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Summary of Contents for Akai ACR-133MMU

  • Page 1 CD/MP3/USB–RECIVER Model: ACR 133MMU SERVICE MANUAL www.akai.ru...

  • Page 2: Table Of Contents

    CONTENTS Page Disassembly Instructions ............................3 Disassembly Diagram............................. 4 Operation Check..............................5 Block Diagram ................................ 6 Alignment Locations ............................... 7 Alignment Procedures ............................8 Printed Circuit Boards............................10 Exploded Views (Panel)............................18 Exploded View Parts Lists (Panel)........................19 Exploded Views (Cabinet) ............................ 20 Exploded View Parts Lists (Cabinet) ........................

  • Page 3: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. Using the unlock key that came with the unit or a similar tool, unlock the Mounting Box and remove toward the rear of the unit. 2. Remove two screws (A) located on the rear of the top cabinet then remove the Top Cabinet. 3.

  • Page 4: Disassembly Diagram

    DISASSEMBLY DIAGRAM...

  • Page 5: Operation Check

    OPERATION CHECK GENERAL SPECIFICATIONS OF SIGNAL Standard frequency 98.1 MHz (65.0, 74.0MHz) (87.5, 107.9 MHz) 1000 kHz (530, 1710 kHz) Signal output 5 mV Modulation 400 Hz 30% MOD. FM Stereo 1 kHz 75kHz DEV. 46% for L only or R only pilot level 8% AF output level FM/MW...

  • Page 6: Block Diagram

    BLOCK DIAGRAM...

  • Page 7: Alignment Locations

    ALIGNMENT LOCATIONS MITSUMI TUNER...

  • Page 8: Alignment Procedures

    ALIGNMENT PROCEDURES FM ADJUSTMENT Equipment Required AM IF/RF signal generator Solid-state voltmeter (SSVM) Regulated DC power supply 2-CH voltmeter Distortion meter FM Alignment Using FM Signal Generator Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible to avoid overload and clipping.

  • Page 9: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS MAIN BOARD TOP VIEW...
  • Page 10 MAIN BOARD BOTTOM VIEW...
  • Page 11 KEY BOARD TOP VIEW...
  • Page 12 KEY BOARD BOTTOM VIEW...
  • Page 13 CD SERVO BOARD TOP VIEW...
  • Page 14 CD SERVO BOARD BOTTOM VIEW...
  • Page 15 FRONT BOARD TOP VIEW...
  • Page 16 FRONT BOARD BOTTOM VIEW...
  • Page 17 SD/MMC CARD BOARD...

  • Page 18: Exploded Views (Panel)

    EXPLODED VIEW PANEL...

  • Page 19: Exploded View Parts Lists (Panel)

    E-Ring Ø1.5X4X0.4MM ROHS 3500-000001-00 Screw Ø2X8 BA/ST Black ROHS 4000-012008-21 AS/PS Knob (L-UP) (S.N1202) ROHS 5200-NK7130-81 7MOD Knob (L-UP)(S.N1202) ROHS 5200-NK7132-81 RESET Knob (S.N1202) ROHS 5200-NK7129-80 LING For VOL Knob ROHS 5200-NK7140-00 AKAI logo (S.N0000) Silver Hot Stamp ROHS 5200-0K7144-31...

  • Page 20: Exploded Views (Cabinet)

    EXPLODED VIEW CABINET...

  • Page 21: Exploded View Parts Lists (Cabinet)

    EXPLODED VIEW PARTS LIST CABINET Ref. No Description RS Part No. Mfr’s Part No. Panel Ring (S.N1202) 5100-016227-80D Base (F) (MMS+SD) ROHS 5100-0E2126-00 6100-300003-002 Rear-right Cabinet W/Spring FOR CD-WIRE ROHS CD MECH. MG205 (205) ROHS 9400-002050-01 Left Cabinet-heat Sink W/Spring ROHS 6100-300004-003 Top Cabinet ROHS 6100-300001-000...
  • Page 22 Ref. No Description RS Part No. Mfr’s Part No. Screw Ø2.6X4 BH/MS ROHS 4000-002604-01 Screw Ø2.6X5 BH/TAPTITE ROHS 4000-002605-03 Screw Ø2.6X6 PH/MS ROHS 4000-002606-00 Screw Ø2.6X6 BH/MS ROHS 4000-002606-01 Screw Ø2.6X6 PH/MS BLACK ROHS 4000-002606-20 Screw Ø2.6X8 BH/MS ROHS 4000-002608-01 Screw M2.6X20 PH/MS ROHS 4000-002620-00 Screw Ø2X4 BH/ST Black ROHS...

  • Page 23: Exploded Views (Deck)

    EXPLODED VIEW (DECK)

  • Page 24: Exploded View Parts Lists (Deck)

    EXPLODED VIEW PARTS LIST (DECK) Ref. No. Description Parts No. Q’ty SENSOR ST-23G SENSOR PCB SCREW CA/H 0” TT 2*3 COVER-UPPER SECC T1.0 LEVER DISC POM (F20-03) GUIDE UP POM (F20-03) BUSHING ROLLER POM (F20-03) ROLLER DISC SLICON SHAFT ROLLER SUS 303 PIN ROLLER SUM24L-NI (PLATE)
  • Page 25 EXPLODED VIEW PARTS LIST - CONTINUED (DECK) Ref. No. Description Parts No. Q’ty CLAMP DISC POM (F20-03) HOLD CLAMPER SECC T1.0 S/P CLAMPER SUS304WPB TURN TABLE ABS G/F 20% BASE PU POM (F20-03) PIN SIDE (A) SUM24L-NI (PLATE) SCREW CA/H 0” M/S 1.7*2.5 PIN SIDE (B) SUM24L-NI (PLATE) DAMPER...

  • Page 26: Schematic Diagram

    SCHEMATIC DIAGRAM (MAIN BOARD)
  • Page 27 SCHEMATIC DIAGRAM (KEY BOARD)
  • Page 28 SCHEMATIC DIAGRAM (CD SERVO BOARD)

  • Page 29: Electrical Parts List

    ELECTRICAL PARTS LIST Ref. No. Part No. Description Q’ty PC BOARD ASSY, MAIN BOARD D639,630 0200-004148-02 DIODE SMD RLS4148 LL-34 ROHM ROHS IC601 0300-007313-01 IC SC-7313 (SILAN) ROHS IC801 0300-007388-00 IC TDA7388 (4x40W) ST "Y" ROHS IC601 0300-0F8847-151 CPU RF8847-151 MP3+WMA+TC+RUSSION FONT R704,709,710,715 0700-063273-00...
  • Page 30 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Description Q’ty Part No. C207 0500-063103-01 CER.CAP SMD 0.01uF 50V ±10% X7R 0603 ROHS C110,111,607,811,833,819,663,664,6 0500-063104-01 CER.CAP SMD 0.1uF 50V ±10% X7R 30,600,839,837,818,108,123 0603 ROHS C119,124 0500-063220-00 CER.CAP SMD 22PF 50V ±5% NPO 0603 ROHS C101,105,109,605 0500-063223-01 CER.CAP SMD 0.022uF 50V ±10%...
  • Page 31 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Description Q’ty Part No. R101,643,831,605,141,871,320~323 0700-063102-00 RES SMD 1KΩ ±5% 1/10W 0603 ROHS R102,623,625,631,632,801~804,839, 0700-063103-00 RES SMD 10KΩ ±5% 1/10W 0603 851,823,845,848,305,317,820,725,61 ROHS 0,DR2,316 R819,DR1 0700-063104-00 RES SMD 100KΩ ±5% 1/10W 0603 ROHS R612,R616~619,DR4 0700-063105-00 RES SMD 1M ±5% 1/10W 0603 ROHS R818 0700-063152-00...
  • Page 32 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty L801 1500-027012-11 TOROIDAL COIL XC-169-110uH V-TYPE ∮27×12MM Xin- DeXing ROHS 3100-086120-08 SINGLE SHIELD WIRE 120MM GREY ROHS Q816 0100-003875-07F TR NPN KTC3875-GR SOT-23 ROHS R832,880,881 0700-063103-00 RES SMD 10KΩ ±5% 1/10W 0603 ROHS R329,R330 0700-063222-00...
  • Page 33 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty R205 0700-063472-00 RES SMD 4.7KΩ ±5% 1/10W 0603 ROHS R203 0700-063473-00 RES SMD 47KΩ ±5% 1/10W 0603 ROHS R206 0700-063822-00 RES SMD 8.2KΩ ±5% 1/10W 0603 ROHS L201 0900-070470-04 M. INDUCTOR AL03TO4R7 (AXIAL) ROHS PC BOARD ASSY, KEY BOARD LED1~13...
  • Page 34 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty R620,R636,R636A,R639,R639A 0700-063681-00 RES SMD 680Ω ±5% 1/10W 0603 ROHS R644 0700-063823-00 RES SMD 82KΩ ±5% 1/10W 0603 ROHS 1121-501030-3208 CDF5010 KB LCD D/S 1.2X43X183MM SW RES 1600-021130-01 TACT SW DT2113CH 250G/4.3 SMD RED D.S 1800-000115-00P VOL ENCODER EC11E15D4MA1...
  • Page 35 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty C67,C68 0500-063152-00N CER.CAP SMD 1500PF 50V ±5% NPO 0603 ROHS 0500-063153-01 CER.CAP SMD 0.015uF 50V ±10 X7R 0603 ROHS C16,C60,C61,C73 0500-063220-00 CER.CAP SMD 22PF 50V ±5% NPO 0603 ROHS C17,C26,C33 0500-063222-01 CER.CAP SMD 2200PF 50V ±10% X7R 0603 ROHS 0500-063223-01...
  • Page 36 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty R112 0700-063221-00 RES SMD 220Ω ±5% 1/10W 0603 ROHS R66,R28 0700-063222-00 RES SMD 2.2KΩ ±5% 1/10W 0603 ROHS R32,R12 0700-063223-00 RES SMD 22KΩ ±5% 1/10W 0603 ROHS 0700-063224-00 RES SMD 220KΩ ±5% 1/10W 0603 ROHS 0700-063273-00 RES SMD 27KΩ...
  • Page 37 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty 2500-020080-12 SOCKET SD CARD CONNECTOR PUSH TYPE ROHS 2500-024181-03C SOCKET 3PIN P=2.5 RIGHT ANGLE ROHS 2500-053015-20E SOCKET 4PIN CD DECK BoMu ROHS PC BOARD ASSY, MAIN BOARD LINE OUT SECTION C707,708 0600-050105-01 E.CAP 1uF 50V ±20% ∮4×7MM ROHS R721,722...

  • Page 38: Specifications

    SPECIFICATIONS T. H. D............................Less than 0.35% Signal to Noise Radio ........................More than 60 dB Channel Separation ........................More than 60 dB Frequency Response .......................... 20Hz-20kHz Stereo Separating (FM) ........................30 dB (at 1kHz) Signal to Noise Ratio (FM) ......................Better than 50 dB Output Power.............................

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