Aiwa LCX-357 Service Manual
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Aiwa LCX-357 Service Manual

Aiwa LCX-357 Service Manual

Compact disc stereo system
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See also: Supplemental Service Manual
SERVICE MANUAL
COMPACT DISC STEREO
SYSTEM
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-003-339-9T1).
LCX-357
BASIC TAPE MECHANISM :2ZM-1YR8N
BASIC CD MECHANISM : DA11T3C
S/M Code No. 09-003-339-9R1
U(S)

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Summary of Contents for Aiwa LCX-357

  • Page 1 LCX-357 U(S) SERVICE MANUAL COMPACT DISC STEREO BASIC TAPE MECHANISM :2ZM-1YR8N SYSTEM BASIC CD MECHANISM : DA11T3C This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-003-339-9T1). S/M Code No. 09-003-339-9R1...

  • Page 2: Specifications

    SPECIFICATIONS • Design and specifications are subject to change without notice.

  • Page 3: 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 4: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C119 87-010-190-080 S CHIP F 0.01 C120 87-010-401-080 CAP, ELECT 1-50V 87-020-454-010 IC,DN6851 C121 87-010-396-080 CAP,E 470-35 SME 87-A20-734-010 IC,TDA2007A C122 87-010-213-080 C-CAP,S 0.015-50 B 87-A21-443-040 C-IC,M62495AFP C123...
  • Page 5 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C329 87-010-183-080 C-CAP,S 2700P-50 B C960 87-010-196-080 CHIP CAPACITOR,0.1-25 C331 87-010-382-080 CAP, ELECT 22-25V C961 87-012-170-080 C-CAP,U 8P-50 CH C332 87-010-187-080 CAP CHIP S5600P C963 87-010-196-080 CHIP CAPACITOR,0.1-25 C333 87-010-178-080 CHIP CAP 1000P...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION CD C.B C601 87-010-197-080 CAP, CHIP 0.01 DM CN501 87-009-345-010 CONN,2P PH H C500 87-016-459-040 CAP,E 470-10 SMG CN510 87-009-034-010 CONN,6P PH V C502 87-016-459-040 CAP,E 470-10 SMG CN520 87-A60-248-010 CONN,16P H CFF1416...

  • Page 7: Transistor Illustration

    FL (13-ST-36GNAK) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT 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...
  • Page 8 WIRING-1 (MAIN) MAIN C.B MAIN C.B (CHIP PARTS) (INSERTED PARTS) J103 PHONES J102 SPEAKERS 1 2 3 J101 SUPER WOOFER J801 AM LOOP ANTENNA 75Ω AC C.B AC C.B RELAY C.B (CHIP PARTS) (INSERTED PARTS) NOTE PT101 POWER TRANSFORMER E C B E C B...

  • Page 9: Ic Block Diagram

    IC BLOCK DIAGRAM IC, M62495AFP IC, LA6541D IC, LA1837NL IC, LC72131D...
  • Page 10 SCHEMATIC DIAGRAM-1 (MAIN 1/2) TO MAIN C.B 2/2 MAIN C.B (1/2) J101 HEADPHONES JACK. PIN 2P MSP INV. IC201 2.2µH FUNCTION SWITCH PHONES Q301,302,303,304 REC/PB SW HOLD DET HOLD DET POWER AMP INV. SPEAKERS MAIN MUITE Q109/Q110 C181 0.1 C182 0.1 Q108 RMT SW INV.
  • Page 11 SCHEMATIC DIAGRAM-2 (MAIN 2/2) MAIN C.B (2/2) DC BALANCE AM IF ADJ FM FRONTEND BAND SW PACK 8ZA-1 YFEUNC TUNER ON/OFF IF AMP SWITCH FM 75Ω ANTENNA AM LOOP L774 AM TRACKING L773 IC771 FM/AM IF/STEREO TUNER SYSTEM SIGNAL : PB/FM : REC/AM...
  • Page 12 WIRING-2 (CD FRONT: INSERTED PARTS) FRONT C.B (INSERTED PARTS) (DISPLAY) CD C.B (INSERTED PARTS) S101 (DOOR SW) TIMER/ SLEEP TAPE/ REV MODE TUNER/ POWER BAND ROCK DIR/ PRESET /SET CLEAR VOLUME JAZZ REC/REC MUTE LED C.B (INSERTED PARTS) DECK C.B NOTE Cxxx Rxxx...
  • Page 13 WIRING-3 (CD FRONT: CHIP PARTS) FRONT C.B (CHIP PARTS) CD C.B (CHIP PARTS) LED C.B (CHIP PARTS) MOTOR C.B CN510 (SLED MOTOR) (INSIDE LIMIT SW) OPTICAL PICK UP (SPINDLE MOTOR) SF-P101NR...
  • Page 14 SCHEMATIC DIAGRAM-3 (FRONT)
  • Page 15 SCHEMATIC DIAGRAM-4 (CD)

  • Page 16: Voltage Chart

    VOLTAGE CHART...

  • Page 20: Electrical Adjustment

    ELECTRICAL ADJUSTMENT...

  • Page 21: Practical Service Figure

    DECK C.B CON1 SFR1 DECK R/P/E HEAD PRACTICAL SERVICE FIGURE < TUNER SECTION > < DECK SECTION > < FM SECTION > 1. Tape Speed Adjustment Settings: • Test tape: TTA-100 IHF Sensitivity: 15dB±5dB (at 90.0MHz) • Test point: SP-OUT 2V (THD 3%) 14dB±5dB (at 98.0/106.0MHz) •...
  • Page 22 IC DESCRIPTION IC, LC867240A-5P33 Pin No. Pin Name Description O-SCONTM M62439SP control. open drain output. O-SCONTL O-DATA Tuner control. CMOS output. ___________ I-TUNE/IFC Tuner control. O-TUCL Tuner control. CMOS output. O-COIN CD control. open drain output. I-SQOUT CD control. ___________ O-CQCK CD control.
  • Page 23 Pin No. Pin Name Description __________ I-STOP Tape stop input. 83-86 COM0-COM3 LCD common output. I-INIT Initial setting input. ______ I-AC/DC Beat selector output. “H” during selection. CMOS output . VSS3 — GND. VDD3 — O-NC Not used. O-TUCE Tuner chip enable output. CMOS output . O-CD-ON “H”...
  • Page 24 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 25 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 26 IC, LC78622E 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 27 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 28: Mechanical Parts List

    MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 8A-CLA-007-010 WINDOW,CASS 26 8Z-CL8-682-010 FF-CABLE, 16P 1.0 180MM 2 8A-CLA-005-010 LID,CASS 27 8Z-CL8-201-010 GUIDE,LCD 3 8A-CLA-006-010 BOX,CASS 28 87-A80-110-010 AC CORD ASSY,U SPT-2W 4 8A-CLA-004-010 WINDOW,DISP 29 8A-CLA-627-010...

  • Page 29: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1 P.C.B P.C.B HT-SINK CHAS, MAIN 2ZM-1 P.C.B...

  • Page 30: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1/1 P.C.B SOL2 HLDR,IC CAPSTAN HLDR,MOTOR P.C.B HLDR WIRE 3...

  • Page 31: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 82-ZM1-327-310 CHAS ASSY,RM 31 82-ZM1-255-310 SPR-E,LVR DIR 2 82-ZM1-258-210 SPR-T,PINCH L 32 82-ZM1-221-310 GEAR,CAM(*) 3 82-ZM1-341-210 LVR ASSY,PINCH L2 33 82-ZM1-227-310 LVR,TRIG 4 82-ZM1-295-310 PLATE ASSY LINK 34 82-ZM1-224-410...

  • Page 32: Cd Mechanism Exploded View

    CD MECHANISM EXPLODED VIEW 1/1 SHAFT,SLIDE SF-P101NR CHASSIS SPINDLE MOTOR C,B MOTOR(M3) CD MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 1 S2-121-A28-400 COVER GEAR 2 S2-511-A21-000 GEAR MIDDLE 3 S2-511-A21-100 GEAR,DRIVE A S1-PN2-03R-OSE SCR PAN PCS 2-3 B 87-261-073-410 SCR S-TPG FLT 2.6-6 ALL M8-ZZK-E90-070...

  • Page 33: Speaker Parts List

    • The speakers that are supplied with the following models, are dedicated speakers for their respective models. Speakers of LCX-337 and those of LCX-357 have completely the same outside appearance but have no compatibility each other. Therefore, be careful not make mistake when using the speakers of the following models.

  • Page 34: Spring Application Position

    SPRING APPLICATION POSITION 82-ZM1-257-010 82-ZM1-218-010 SPR-T,CAS SPR-E,HB 82-ZM1-285-410 82-ZM1-244-510 SPR-C,BT L SPR-C,BT 82-ZM3-323-110 SPR-T,LINK 82-ZM1-259-210 SPR-T,PINCH R 82-ZM1-258-210 SPR-T,PINCH L 82-ZM1-269-210 82-ZM1-214-010 82-ZM1-213-010 SPR-T,BRG SPR-T,DIR SPR-T,HEAD 82-ZM1-322-010 SPR-T,FR 60 82-ZM1-305-210 SPR-E.TRIG 2 82-ZM1-255-310 SPR-E,LER DIR...

  • Page 35: Accessories/Package List

    ACCESSORIES/PACKAGE LIST REF. NO PART NO. KANRI DESCRIPTION 1 8A-CLA-903-010 IB,U(ESF)B 2 87-A90-030-010 ANT,LOOP AM-NC C 3 87-043-115-010 ANT,FEEDER FM 4 8A-CLB-961-010 RC UNIT,RC-AAT11...
  • Page 36 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 737004 Printed in Singapore...

This manual is also suitable for:

Lcx-337

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