Akai ACR-141 MP Service Manual
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Akai ACR-141 MP Service Manual

Cd/mp3–reciver
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CD/MP3–RECIVER
Model:
ACR 141 MP
SERVICE MANUAL
www.akai.ru

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Summary of Contents for Akai ACR-141 MP

  • Page 1 CD/MP3–RECIVER Model: ACR 141 MP 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)............................16 Exploded View Parts Lists (Panel)........................17 Exploded Views (Cabinet) ............................ 18 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 FM/MW/LW 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 LAMP BOARD...

  • Page 16: Exploded Views (Panel)

    EXPLODED VIEW PANEL...

  • Page 17: Exploded View Parts Lists (Panel)

    EXPLODED VIEW PARTS LIST PANEL Ref. No. Description RS Part No. Mfr’s Part No. Lens: CD-F1628X3.82.25/WMA N/SW(S.PY BLK/WHT) 5300-0G6230-39W ROHS T. Panel X3.17.9-F N/RM(S.N1202/B) W/O BRAND ROHS 5100-0G6220-891 Bottom Cabinet ROHS 5100-0G6221-00 Open Knob For FD (S. N1202/Black) ROHS 5200-0G6224-81B Open Knob Spring ROHS 3600-000101-00 Volume Knob Cover (S.

  • Page 18: Exploded Views (Cabinet)

    EXPLODED VIEW CABINET...

  • Page 19: Exploded View Parts Lists (Cabinet)

    EXPLODED VIEW PARTS LIST CABINET Ref. No. Description RS Part No. Mfr’s Part No. Panel Ring (S.N1202) ROHS 5100-016228-80S Base ROHS 5100-0H6225-00 U Bracket (CD200/Wire) ROHS 6100-0N0201-00 CD MECH. MG205 (205) ROHS 9400-002050-01 Heat Sink (For Wire) ROHS 6100-0N0204-00 Top Cabinet ROHS 6100-0B0105-01 Bottom Cabinet (For Wire) ROHS 6100-0B0114-01...
  • Page 20 Ref. No. Description RS Part No. Mfr’s Part No. Screw Ø5 X 18 HH ROHS 4000-005018-04 Spring Washer M5 ROHS 3500-050001-00 Hexagon Nut M5 ROHS 3900-040005-00 Damper Gear-Assy ROHS 9300-040201-00 Wire Fix Fiber (18PIN) ROHS 3500-008303-00 Wire Fix Sheet 18PIN (0.004KG) ROHS 3900-008303-00 SCREW Ø2X4 PA/ST ROHS 4000-002004-10...

  • Page 21: Exploded Views (Deck)

    EXPLODED VIEW (DECK)

  • Page 22: 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 23 EXPLODED VIEW PARTS LIST - CONTINUED (DECK) Ref. No. Description Parts No. Q’ty CLAMP DISC POM (F20-03) SECC T1.0 HOLD CLAMPER 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 24: Schematic Diagram

    SCHEMATIC DIAGRAM (MAIN BOARD)
  • Page 25 SCHEMATIC DIAGRAM (KEY BOARD)
  • Page 26 SCHEMATIC DIAGRAM (CD SERVO BOARD)

  • Page 27: Electrical Parts List

    ELECTRICAL PARTS LIST Ref. No. Part No. Description Q’ty PC BOARD ASSY, MAIN BOARD IC804 0100-007805-00 IC,78L05 TO-92 ROHS D625,D630,D639 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 IC801 0300-0F8847-151 CPU RF8847-151 MP3+WMA+TC+RUSSION...
  • Page 28 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty C110,111,607,811,833,819,663,664,630,60 0500-063104-01 CER.CAP SMD 0.1uF 50V ±10% X7R 0603 ROHS 0,839,837,818,108,123 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% X7R 0603 ROHS C620~623,665,666,DC1 0500-063224-01 CER.CAP SMD 0.22uF 16V ±10% X7R 0603...
  • Page 29 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty R814~817 0700-063274-00 RES SMD 270KΩ ±5% 1/10W 0603 ROHS R108 0700-063331-00 RES SMD 330Ω ±5% 1/10W 0603 ROHS R113,R114,R629,R630,R320,R321,R326, 0700-063332-00 RES SMD 3.3KΩ ±5% 1/10W 0603 ROHS R323,R324 R607,R308 0700-063334-00 RES SMD 330KΩ ±5% 1/10W 0603 ROHS R318,R301/2 0700-063392-00 RES SMD 3.9KΩ...
  • Page 30 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty R206 0700-063822-00 RES SMD 8.2KΩ ±5% 1/10W 0603 ROHS C204 0600-016106-02 E.CAP 10uF 16V ±20% ∮3.5×5MM ROHS L201 0900-070470-04 M. INDUCTOR AL03TO4R7 (AXIAL) ROHS PC BOARD ASSY, KEY BOARD LED1~17,LED20~22 0200-001112-02J LED SMD RED WL=100MCD WL=625NM 0805 WENRUN ROHS B.LIGHT...
  • Page 31 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty DECK TO MB 2500-009286-18 FFC WIRE(UNILATERAL PLUG)130MM 18PIN P=1.25MM ROHS DECK TO MB 2500-011101-18 SOCKET 18PIN P=1.25 TOP-CONTACT H-TYPE (NEGATIVE- NEEDLE) JingShi ROHS Q5,6,8 0100-000103-00 TR. KEC103S ROHS 0100-000812-00F 2SA812-G(ROHS) 0100-003875-07F TR NPN KTC3875-GR SOT-23 ROHS 0200-050036-54 ZENER DIODE SMD 3.6V 0.5W ±5% LL-34...
  • Page 32 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty L6,R115 0700-005000-54 RES SMD 0Ω ±5% 1/10W 0805 ROHS L1,5,7 0700-005015-54 RES SMD 1.5Ω +/-5% 1/10W 0805 ROHS R19,41,45,48,53,64,65,74,77,50,2 0700-063000-00 RES SMD 0Ω ±5% 1/10W 0603 ROHS ROHS 0700-063100-00 RES SMD 10Ω ±5% 1/10W 0603 ROHS R60,61,82,86,87 0700-063102-00 RES SMD 1KΩ...
  • Page 33 ELECTRICAL PARTS LIST-CONTINUED Ref. No. Part No. Description Q’ty LAMP 0200-030553-60T LAMP 3V 60MA ∮3X5.5MM KEE TAT ROHS DTHSO TO GND 0500-063104-01 CER.CAP SMD 0.1uF 50V ±10% X7R 0603 ROHS R406 0700-005101-00 RES 100Ω ±5% 1/14W ROHS R408 0700-005103-16A RES 10KΩ ±5% 1/16W (TAPPING) ROHS 0700-005332-16A RES 3.3K 1/16W (TAPPING) ROHS 1111-510020-3500...

  • Page 34: 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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