Akai ACR-17W Service Manual
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Akai ACR-17W Service Manual

Akai ACR-17W Service Manual

Mobile audio system
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MOBILE AUDIO SYSTEM
CD O P E N /CL O S E /E J
1
LOUD
2
RP T
LOC
3
AS/PS
RN D
4
5
6
AUX
IN
MODE
3 i n 1 C D C A S S E T T E R E C E I V E R
ST
EQ CLAS
TUNE/TRACK SKIP
EQUALIZER
MODEL: AKAI ACR-17W
POWER
PO W E R
TRK
RP T
BAND
TA PE OPE N/C L O SE
IR
DSP
AUD IO
ADJUST
DIS C
PUSH
SELECT
MO /ST

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Summary of Contents for Akai ACR-17W

  • Page 1 3 i n 1 C D C A S S E T T E R E C E I V E R LOUD RP T AS/PS AUD IO RN D ADJUST EQ CLAS RP T DIS C PUSH SELECT TUNE/TRACK SKIP BAND EQUALIZER MODE MO /ST MODEL: AKAI ACR-17W...

  • 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 Wiring Diagram ..............................18 Exploded Views (Panel) ..........................19 Exploded View Parts Lists (Panel) ........................20 Exploded Views (Cabinet) ..........................21 Exploded View Parts Lists (Cabinet) .......................22 Exploded View (Deck) .............................24...

  • Page 3: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. Remove the screw (A) located on the rear of the top cabinet then remove the Top Cabinet. 2. Remove four screws (B) located on the CD bracket and remove two screws (C) from the Heat Sink of the left side.

  • 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 Modulation 400 Hz 30% MOD. FM Stereo 1 kHz 75 kHz DEV. 90% for L only or R only pilot level 10% AF output level FM/MW/LW...

  • 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 REMOTE BOARD TOP VIEW...
  • Page 16 REMOTE BOARD BOTTOM VIEW...
  • Page 17 FRONT BOARD...

  • Page 18: Wiring Diagram

    WIRING DIAGRAM...

  • Page 19: Exploded Views (Panel)

    EXPLODED VIEW PANEL...

  • Page 20: Exploded View Parts Lists (Panel)

    EXPLODED VIEW PARTS LIST PANEL Ref. No. Description RS Part No. Mfr’s Part No. Lens: RM (S. OPC0000) 53-13849-31 T. Panel W/CDC (S. OPC0000) 51-13821-31 Bottom Panel /777 51-13822-00 Panel Bracket ASS’Y 61-13811-00 VOL Knob (S. OPC0000) 52-13829-31 Volume Knob Adaptor/Blue 52-13836-70 Volume Back-Light/Blue 52-13839-70...

  • Page 21: Exploded Views (Cabinet)

    EXPLODED VIEW CABINET...

  • Page 22: Exploded View Parts Lists (Cabinet)

    EXPLODED VIEW PARTS LIST CABINET Ref. No. Description RS Part No. Mfr’s Part No. Panel Ring /ABS 51-13824-00 Base/ABS 51-13823-00 Top Bracket 61-13805-00 CD MECHA. CDM-1681 (C20/MABUCHI) 94-01681-00 W/F-36 (MCI5ULCKNZ/AP-4226) 94-00036-10W U Cabinet 61-13801-01 Slider Bracket 61-13802-00 Heat Sink 61-13809-00 Main Board 12-01380-055 Rear Bracket...
  • Page 23 Ref. No. Description RS Part No. Mfr’s Part No. Star Gear Holder ASS’Y 39-13810-00 Gear Holder 52-13846-00 Pull Spring 36-13808-00 Gear Press Spring Ø0.8 36-13807-00 Gear (4) 52-13865-00 Gear (3) 52-13864-00 Motor PWN10EA10C 97-01300-03 Worm Shaft 52-13872-00 IC Bracket (8568) 39-13804-00 IC Bracket (7809) 39-13805-00...

  • Page 24: Exploded View (Deck)

    EXPLODED VIEW (CD DECK)

  • Page 25: Exploded View Parts List (Deck)

    EXPLODED VIEW PARTS LIST (CD DECK) Ref. No. Description Parts No. Q’ty ST-23G SENSOR 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 26 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 BUTHYL S/P BASE...

  • Page 27: Schematic Diagram

    SCHEMATIC DIAGRAM (MAIN BOARD)
  • Page 28 SCHEMATIC DIAGRAM (CD SERVO BOARD)
  • Page 29 SCHEMATIC DIAGRAM (REMOTE BOARD)

  • Page 30: Electrical Parts List

    ELECTRICAL PARTS LIST Ref. No. Part No. Description Q’ty PC BOARD ASSY, MAIN BOARD Q806,814/7 01-00435-00 TR. BD435 NPN TO-126 SAMSUNG Q452/3,801,815 01-00812-00 TR. 2SA812 Q455,809,811 01-01240-00 TRANSISTOR B1240 Q101/5/6,403/4,451/4/6,501,602,802~5 01-01623-00 CHIP TR. C1623 “NEC” /8,810/2/3/6/8 Q102/3 01-02785-00C TRANSISTOR 2SC2785 “NEC” Q891/2 01-04672-00 TR.
  • Page 31 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty C114/5 07-63103-01 CHIP 0.01µF ±10% X7R 0603 SMT C121,403/7~10/5,455~8,518~21,824 05-63104-01 CHIP 0.1µF ±10% X7R 0603 SMT C304/5 05-63153-01 CHIP 0.015µF ±10% X7R 0603 SMT C101/2/4/6,120,401,451/2,460~5,811/6 05-63223-01 CHIP 0.022µF ±10% X7R 0603 SMT C507/8 05-63272-01 CHIP 2700PF ±10% X7R 0603 SMT...
  • Page 32 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty R309,412,504,806~9,822,891/2,825 07-63222-00 CHIP RES. 2.2kΩ ±5% 0603 SMT /6,835,469 R101,460/1,802~5 07-63223-00 CHIP RES. 22kΩ ±5% 0603 SMT R413,452 07-63224-00 CHIP RES. 220kΩ ±5% 0603 SMT R105 07-63331-00 CHIP RES. 330Ω ±5% 0603 SMT R115/6,503 07-63332-00 CHIP RES.
  • Page 33 ELECTRICAL PARTS LIST – CONTINUED Ref. No. Part No. Description Q’ty L201 09-70470-02 AXIAL TYPE 4.7µH CHOKE COIL W/TC PC BOARD ASSY, KEY BOARD Q091 01-01623-00 CHIP TR. C1623 “NEC” ZD001 02-00062-07 E.S.D. DIODE NNCD6.2G (5PIN) CCF1 02-00138-00 CF-32104F (104X3.2) CCT-138X3.4 D001 02-04148-00 DIODE IN-4148...
  • Page 34 ELECTRICAL PARTS LIST – CONTINUED Ref. No. Part No. Description Q’ty C34/5 05-03200-05B CHIP CER 20P 50V COG TA ±5% C19,38 05-03222-10 CHIP CER 2200P 50V K Y5P TA C7,8 05-03331-10 CHIP CER 330P 50V K Y5P TA C3,11/8,25 05-03333-10B CHIP CER 0.033µF 50V X7R ±10% 05-03391-10 CHIP CER 390P 50V K Y5P TA...
  • Page 35 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty 07-05822-54 CHIP RES. 8.2kΩ 1/10W 07-05823-54 CHIP RES. 82kΩ 1/10W R56~9 07-05823-56B CHIP RES. 82kΩ 1/16W 1.6X0.8 ±1% R55,60 07-63204-01 CHIP RES. 200kΩ ±1% 0603 MR10/1 07-63223-00 CHIP RES. 22kΩ ±5% 0603 SMT MR1~9 07-63473-00 CHIP RES.
  • Page 36 ELECTRICAL PARTS LIST - CONTINUED Ref. No. Part No. Description Q’ty C591 06-10107-01 E. CAP 100µF 10V (Ø5X7MM MINI) C527/8 06-50105-01 E. CAP 1µF 50V (Ø4X7MM) C523/4 06-50225-01 E. CAP 2.2µF 50V (Ø4X7MM) R593/6/9 07-63102-00 CHIP RES. 1kΩ ±5% 0603 SMT R534/7,597/8 07-63103-00 CHIP RES.

  • Page 37: Specifications

    SPECIFICATIONS T. H. D ····································································································································· Less than 0.35% Signal to Noise Radio ··········································································································· More than 55 dB Channel Separation ················································································································ More than 50 dB Frequency Response·································································································20Hz - 20kHz (CD Player) Frequency Response························································································50Hz - 80kHz (Cassette Player) Stereo separating (FM) ············································································································· 30 dB (at 1kHz) Signal to noise ratio (FM)·········································································································Better than 50 dB Output power...

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