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Aiwa CSD-ED27 Service Manual

Compact disc stereo radio cassette recorder
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SERVICE MANUAL
COMPACT DISC STEREO RADIO
CASSETTE RECORDER
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
CSD-ED27(HRJ<S>,LH<S>)(S/M Code No.09-994-327-4T2).
CSD-ED27
BASIC TAPE MECHANISM : TN21ZVC-1812
BASIC CD MECHANISM : KSM-213CDM
S/M Code No. 09-994-327-4R2
LH(S),HR(S)
HA(S)

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Summary of Contents for Aiwa CSD-ED27

  • Page 1 CSD-ED27 LH(S),HR(S) HA(S) SERVICE MANUAL BASIC TAPE MECHANISM : TN21ZVC-1812 COMPACT DISC STEREO RADIO BASIC CD MECHANISM : KSM-213CDM CASSETTE RECORDER This Service Manual is the “Revision Publishing” and replaces “Simple Manual” CSD-ED27(HRJ<S>,LH<S>)(S/M Code No.09-994-327-4T2). S/M Code No. 09-994-327-4R2...

  • Page 2: Protection Of Eyes From Laser Beam During Servicing

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully the CAUTION instructions below when servicing. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous WARNING! radiation exposure.

  • Page 3: Specifications

    SPECIFICATIONS <Compact disc player section> <Tuner section> Disk Compact disc (FM) Scanning method Non-contact optical scanner Tuning range 87.5 MHz to 108.0 MHz (Semicondactor laser) Antenna Rod antenna <General> (AM) Speakers 80 mm cone type (2) Tuning range 530 kHz to 1,710 kHz (10 kHz step) Power output 2.5 W + 2.5 W (EIAJ 7 ohm DC) 531 kHz to 1,602 kHz (9 kHz step)

  • Page 4: Disassembly Procedure

    DISASSEMBLY PROCEDURE 1. Remove screws (1 x 5) and (2 x 2). 4. Remove screws (3 x 4). 2. While pushing the QSOUND button, remove the rear cabinet. 5. Remove the CD player, main C.B., etc. from the front cabinet. QSOUND BUTTON 3.

  • Page 5: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 87-010-303-080 C-CAP,S 330P-50CH 87-016-460-080 C-CAP,S 0.22-16 B 87-A21-184-010 IC,TA2104AN 87-A11-067-080 C-CAP,S 1-10 K B 87-A21-185-040 C-IC,LC72121M 87-016-669-080 C-CAP,S 0.1-25 K B 87-070-416-010 IC,NJU7201 L55 87-016-669-080 C-CAP,S 0.1-25 K B 87-A21-111-040...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C319 87-010-197-080 CAP, CHIP 0.01 DM CN330 87-099-565-010 CONN,6P TUC-P4P-B1 C320 87-010-405-080 CAP, ELECT 10-50V CN410 87-049-469-010 CONN,4P V C321 87-010-260-080 CAP, ELECT 47-25V CN420 87-009-030-010 CONNECTOR 2P PH M C322 87-010-402-080 CAP, ELECT 2.2-50V...
  • Page 7 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION CN670 87-A60-917-010 CONN,16P B TSK-B16X-A1 C582 87-010-196-080 CHIP CAPACITOR,0.1-25 L601 87-003-102-080 COIL, 10UH C583 87-010-405-080 CAP, ELECT 10-50V L603 87-005-847-080 COIL,2.2UH(CECS) C584 87-012-156-080 C-CAP,S 220P-50 CH L604 87-005-847-080 COIL,2.2UH(CECS) C585 87-010-405-080...

  • Page 8: Chip Resistor Part Code

    CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Wattage Type Tolerance Symbol Resistor Code Form 1/16W 1005 0.35 1/16W 1608 0.45 1/10W 2125 1.25 0.45 1/8W 3216 0.55 TRANSISTOR ILLUSTRATION E C B E C B B C E...
  • Page 9 IC DESCRIPTION IC, LC78622ED Pin No. Pin Name Description DEFI Defect sense signal (DEF) input pin. (Connect to 0V when not used). Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V. Phase comparator output pin to control external VCO. VVSS —...
  • Page 10 Pin No. Pin Name Description XVDD — Crystal oscillator power supply pin. XOUT Pin to which external 16.9344 MHz crystal oscillator is connected. XVSS — Crystal oscillator GND pin. Be sure to connect to 0V. SBSY Subcode block sync signal output pin. EFLG C1, C2, single and dual correction monitoring pin.
  • Page 11 IC DESCRIPTION IC, LA9241ML Pin No. Pin Name Description Pin to which external pickup photo diode is connected. RF signal is created by adding FIN2 with the FIN1 pin signal. FE signal is created by subtracting from the FIN1 pin signal. FIN1 Pin to which external pickup photo diode is connected.
  • Page 12 Pin No. Pin Name Description Pin from which TES signal is output to DSP. “High Frequency Level” is used to judge whether the main beam position is on top of bit or on top of mirror. SLOF Sled servo off control input pin. 39, 40 CV–, CV+ CLV error signal input pin from DSP.
  • Page 13 IC, LC867132V-5H52 Pin No. Pin Name Description O-RMC CD read/write control and TU chip enable O-DATA Data for shift register 2092, PLL LC72121 and IC M62439. O-CLK Clock for shift register 2092 and PLL LC72121. – – Not connected. O-CLKSFT Clock shift output for system microprocessor I-HOLD Hold status detection.
  • Page 14 Pin No. Pin Name Description VSS2 – GND. VDD2 – Microprocessor power supply. O-CD ON CD power supply control output. O-TU ON Tuner power supply control output. O-P CONT Unit power control output. – – Not connected. O-MUTE Main muting output. –...

  • Page 15: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC, M62495FP IC, TA8227P IC, TA2104AN...
  • Page 16 IC, LC72121M IC, MM1434XF IC, BA6898S...
  • Page 17 SCHEMATIC DIAGRAM-1 (MAIN-TUNER SECTION) IF GAIN CONT. LH,HA C95 0.01 IF GAIN CONT.
  • Page 18 SCHEMATIC DIAGRAM-2 (MAIN-EQ AMP, POWER, BATT, KEY-L, R SECTION) L301 2.2µH LH,HA – – R333 MAIN MUTE R327 C415 22/10 C422 22/10 SW901 Q222 AC VOLTAGE 2SA933AS 220V 110V 240V 120V R234 R235 F901 2.5A Q223 DTC124XS AC110–120V/220–240V 50/60Hz Q434 DTC124 R240 R237...
  • Page 19 WIRING-1 (MAIN, FRONT, MICOM, KEY-L, R SECTION) B FRONT C.B D644 D646 D645 D643 S601 ROCK JAZZ OPE/BATT SLEEP/REPEAT/ FM MODE/OSC D644 D646 S605 SKIP/SEARCH S601 D645 /TUNE + D643 S604 S605 S606 Q625 SKIP/SEARCH Q624 /TUNE - CN640 R645 R644 Q623 S607 S606...

  • Page 20: Electrical Adjustment

    ELECTRICAL ADJUSTMENT PRACTICAL SERVICE FIGURE <TUNER SECTION> <DECK SECTION> 3000 Hz ± 60 Hz <FM SECTION> Tape speed: A MAIN C.B (PARTS SIDE VIEW) IHF Sensitivity: Less than 18 dB Wow & flutter: Less than 0.35% (THD 3 %) [at 87.5/98.0/108.0 MHz] (JIS RMS) Signal to noise ratio: More than 58 dB...
  • Page 21 SCHEMATIC DIAGRAM-3 (FRONT, MICOM SECTION) LCD,HLC7365 ZCH – 4 C624 C625 C626 R656 R669 C627 R671 C628 R679 R655 C629 R670 C630 – 5H52 R672 R673 R678 R674 R677 1K R675 R632 100K RESET RESET...
  • Page 22 SCHEMATIC DIAGRAM-4 (CD SECTION) LD CURRENT CONT. C588 8.2K 0.01 6.8K L506 10µH 2SA1296GR...
  • Page 23 WIRING-2 (CD, POWER, BATT SECTION) To C MICOM C.B H BATT C.B CNA680 D CD C.B To A MAIN C.B CN330 CN530 D501 CN510 Q502 R503 (DECK MOTOR) DECK DECK R591 L505 PLAY SW REC SW C502 D505 CN530 <LH,HA> R582 C501 C540...

  • Page 24: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1 HEAT SINK P-TR HEAT SINK MICOM C.B KSM213CDM LCD601 KEY-R C.B KEY-L C.B BATT C.B FRONT C.B 14 15 MAIN C.B POWER C.B CABI,FRONT TN-21ZVC-1812...

  • Page 25: Color Name Table

    KEY,CASS REW 7 8Z-CHB-016-010 PANEL,FRONT(U) 45 8Z-CDB-020-010 KEY,CASS PLAY 8 8Z-CHB-007-010 WINDOW,LCD(EX) 46 8Z-CDB-018-010 KEY,CASS REC 9 84-CD8-083-010 BADGE,AIWA 30.5-5.2 2.5LEAD 47 8Z-CDB-211-010 SPR-T,LID CD 48 8Z-CDB-015-010 COVER, HANDLE 10 8Z-CDB-215-010 HLDR,LID CD 11 8Z-CDB-026-010 KEY,CD A 49 8Z-CDB-014-010 ARM,MAIN HANDL...

  • Page 26: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1/1 B3 LUG PLATE...

  • Page 27: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 S1-921-030-4A0 0E HEAD BASE 41 S1-921-140-160 0E E ACTUATOR SPRING 2 S1-821-030-070 0E AZIMUTH SPRING 42 S1-921-093-030 1F FLYWHEEL ASSY 3 S1-921-030-090 0E PANEL P SPRING 43 S1-921-090-040 1C MAIN BELT 4 S1-921-260-050 0E GEAR PLATE SPRING 44 S1-921-120-010 0E MOTOR PULLEY...

  • Page 28: Cd Mechanism Exploded View

    CD MECHANISM EXPLODED VIEW 1/1 COVER GEAR SPINDLE MOTOR (M3) MOTOR C.B CD MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 1 9X-262-620-210 MOTOR CHASSIS ASSY 2 92-626-907-010 GEAR(A) 3 87-A90-468-010 PICK UP KSS-213C 4 92-626-908-010 SHAFT SLED A 97-621-255-150 SCREW+P2-3...
  • Page 29 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore 931196...

This manual is also suitable for:

Csd-ed27lhsCsd-ed27hrsCsd-ed27hrCsd-ed27haCsd-ed27hasCsd-ed27lh

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