Akai ACR-47MP Service Manual
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Akai ACR-47MP Service Manual

Pll synthesizer stereo radio with compact disc player digital
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PLL SYNTHESIZER STEREO RADIO WITH
COMPACT DISC PLAYER DIGITAL
RELEASE
PUSH
SEL
POWER
MUT
LOC
MON
1
2
PAU
SCN
MODE L : ACR-47MP
CAR CD/MP3 PLAYER
DIR
3
4
5
RPT
SHF
E
Q
D
0
S
P
AMS
9
7
SW
8
MOD
6
EJECT
AUX
LOU/ENT
BND

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Summary of Contents for Akai ACR-47MP

  • Page 1 PLL SYNTHESIZER STEREO RADIO WITH COMPACT DISC PLAYER DIGITAL RELEASE EJECT CAR CD/MP3 PLAYER PUSH POWER LOU/ENT MODE L : ACR-47MP...

  • 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............................9 Exploded Views (Panel) ............................15 Exploded View Parts Lists (Panel) ........................16 Exploded Views (Cabinet) ........................... 17 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 (87.5, 108 MHz) 1000 kHz (522, 1620 kHz) 200 kHz (144, 288 kHz) Signal output 1 mV 5 mV 5 mV Modulation 400 Hz 30% MOD. FM Stereo 1 kHz 75kHz DEV.

  • Page 6: Block Diagram

    BLOCK DIAGRAM...

  • Page 7: Alignment Locations

    ALIGNMENT LOCATIONS FM/AM 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: Exploded Views (Panel)

    EXPLODED VIEW PANEL...

  • Page 16: Exploded View Parts Lists (Panel)

    EXPLODED VIEW PARTS LIST PANEL Ref. No. Description RS Part No. Mfr’s Part No. Lens; (S. OPC0000) X3.22.11 W/D 53-C2520-319 T. Panel (S. OPC2001) W/D 51-C2521-31Y Panel Bottom 51-C2522-00 Release Key (S. OP2001) 52-C2535-31Y RE Knob Spring 36-11852-00 Power Key (L-Up) (S. OP2001) 52-C2522-31 PWR Knob Adaptor 52-C2548-00...

  • Page 17: Exploded Views (Cabinet)

    EXPLODED VIEW CABINET...

  • Page 18: Exploded View Parts Lists (Cabinet)

    EXPLODED VIEW PARTS LIST CABINET Ref. No. Description RS Part No. Mfr’s Part No. Panel Ring /ABS (S. OP2001) 51-E2022-30Y Base Real (E) /777 51-E2020-00 Side Bracket (CD200 Wire) 61-E2005-04 CD MECHANISM CDM-1683EUK W/O BKT 94-01683-11 Heat Sink (For Wire) 61-E2006-00 Top Cabinet 61-B0105-01...

  • Page 19: Exploded Views (Deck)

    EXPLODED VIEW (DECK)

  • Page 20: 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 21 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 22: Schematic Diagram

    SCHEMATIC DIAGRAM (MAIN BOARD)
  • Page 23 SCHEMATIC DIAGRAM (KEY BOARD)
  • Page 24 SCHEMATIC DIAGRAM (CD SERVO BOARD)

  • Page 25: Electrical Parts List

    ELECTRICAL PARTS LIST Ref. No. Part No. Description Q’ty PC BOARD ASSY, MAIN BOARD Q810 01-00435-00S TR. BD435 TO-126 SAMSUNG Q104,802/9 01-00812-00 TR. 2SA812 Q812 01-01240-00 TRANSISTOR B1240 Q105~7,601,801/3~6/8,811 01-03875-07 TRANSISTOR 2SC3875G IC802/4 01-07805-00 IC-REGULATOR 78L05 Q807 01-08550-03 TR. 8550C TO-92-B ZD601/2 02-00062-07 E.S.D.
  • Page 26 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty C810 06-16338-00S E. CAP 3300µF/16V 105°C C102,125,608,629,813,839 06-16476-03 E. CAP 47µF 16V (6X5) C116/7,122,610,801~4 06-50105-03 E. CAP 1µF 50V (Ø4X5 MM) C611/4/9,624~7,703~6 06-50225-02 E. CAP 2.2µF 50V (4X5) C612/3 06-50334-03 E.
  • Page 27 ELECTRICAL PARTS LIST – CONTINUED Ref. No. Part No. Description Q’ty R624 07-63752-00 CHIP RES. 7.5kΩ ±5% 0603 SMT R705/8,711/4 07-63822-00 CHIP RES. 8.2kΩ ±5% 0603 SMT R621 07-63823-00 CHIP RES. 82kΩ ±5% 0603 SMT L803 09-70100-01 MICRO INDUCTOR 10UH AXIAL TYPE 11-02001-025 CD200X3.14/15 YMB 1.6X152X182MM L801...
  • Page 28 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty R601,613 07-63181-00 CHIP RES 180Ω ±5% 0603 SMT R623 07-63203-00 CHIP RES 20kΩ ±5% 0603 SMT R602,614 07-63221-00 CHIP RES 220Ω ±5% 0603 SMT R612 07-63222-00 CHIP RES 2.2kΩ ±5% 0603 SMT R616 07-63242-00 CHIP RES 2.4kΩ...
  • Page 29 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty C102,113/6/7,130,140/1,219,229 05-63103-01 CHIP 0.01µF ±10% X7R 0603 SMT C100/3/6/8,119,122/4/5,131/2/4/6~8,211~ 05-63104-01 CHIP 0.1µF ±10% X7R 0603 SMT 3/5/7,222/7/8,231/4/6/8,240~9,253,300/2 ~6/8 C225/6 05-63152-01 CHIP 1500PF ±10% X7R 0603 SMT C139 05-63153-01 CHIP 0.015µF ±10% X7R 0603 SMT C104 05-63220-00 CHIP CAP 22PF ±5% NPO 0603 SMT...
  • Page 30 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty R301/2,324 07-63392-00 CHIP RES 3.9kΩ ±5% 0603 SMT R211/2 07-63393-00 CHIP RES 39kΩ ±5% 0603 SMT R263,300 07-63471-00 CHIP RES 470Ω ±5% 0603 SMT R132,226~30,245~50/3/4/9,261,310~3/5~ 07-63472-00 CHIP RES 4.7kΩ ±5% 0603 SMT R103/4/8,127,307,320 07-63473-00 CHIP RES.

  • Page 31: 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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