Aiwa LCX-K117 Service Manual
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Aiwa LCX-K117 Service Manual

Aiwa LCX-K117 Service Manual

Compact disc stereo system
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SERVICE MANUAL
COMPACT DISC STEREO
SYSTEM
LCX-K117
BASIC TAPE MECHANISM : ZZM-1AR3NC
BASIC CD MECHANISM : DA11T3C
S/M Code No. 09-00B-352-1N1
HRJ(S)
HEJ(S)

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Summary of Contents for Aiwa LCX-K117

  • Page 1 LCX-K117 HRJ(S) HEJ(S) SERVICE MANUAL COMPACT DISC STEREO BASIC TAPE MECHANISM : ZZM-1AR3NC SYSTEM BASIC CD MECHANISM : DA11T3C S/M Code No. 09-00B-352-1N1...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS .............................. 3 ACCESSORIES/PACKAGE LIST ........................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ............4 Precaution to replace Optical block ........................4 ELECTRICAL MAIN PARTS LIST ........................5-8 TRANSISTOR ILLUSTRATION .......................... 9 WIRING-1 (MAIN 2B) ............................10 WIRING-2 (DECK) ............................

  • Page 3: Specifications

    SPECIFICATIONS • Design and specifications are subject to change without notice ACCESSORIES/PACKAGE LIST REF. NO PART NO. KANRI DESCRIPTION 1 8A-CGD-901-010 IB,H(ECA)FM<HRJS> 1 8A-CGD-921-010 IB,H(ET)T-KIT<HEJS> 2 8A-CGD-950-010 RC UNIT,RC-AAT00 3 87-A90-030-010 ANT,LOOP AM-NC C 4 87-043-115-010 ANT,FEEDER FM 5 87-A91-017-010 PLUG,CONVERSION JT-0476 6 87-050-103-010 CORD,PIN 1PY1.5M...

  • Page 4: 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 5: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C247 87-010-401-080 CAP, ELECT 1-50V C248 87-010-401-080 CAP, ELECT 1-50V 87-A20-547-010 C-IC,CXA1992AR C257 87-010-401-080 CAP, ELECT 1-50V 87-A20-919-040 C-IC,BA5915FP C258 87-010-401-080 CAP, ELECT 1-50V 87-A20-917-010 C-IC,CXD2540Q-1/2 C261...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C776 87-012-286-080 CAP, U 0.01-25 C125 87-010-787-080 CAP, U 0.022-25 C777 87-010-400-080 CAP, ELECT 0.47-50V C126 87-010-759-080 C-CAP,U, 0.1-25F C778 87-010-401-080 CAP, ELECT 1-50V C127 87-010-112-080 CAP, ELECT 100-16V C779 87-010-401-080 CAP, ELECT 1-50V...
  • Page 7 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C521 87-012-197-080 C-CAP,U 150P-50 CH L302 87-005-426-080 COIL,3.3UH K FLR50 C522 87-010-371-080 CAP, ELECT 470-6.3V L502 87-005-204-080 COIL,47UH C523 87-012-286-080 CAP, U 0.01-25 L503 87-005-189-080 COIL 2.7UH C524 87-010-197-080 CAP, CHIP 0.01 DM L504...
  • Page 8 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C510 87-010-401-080 CAP, ELECT 1-50V LED C.B C511 87-012-274-080 CHIP CAP,U 1000P-50B C512 87-012-274-080 CHIP CAP,U 1000P-50B CN603 87-A60-109-010 CONN,2P V S2M-2W C516 87-012-276-080 CAP, CHIP SS 1500 PBK LED601 87-A40-161-010 LED,L-1154SGD...

  • Page 9: Transistor Illustration

    TRANSISTOR ILLUSTRATION OUT IN 2SC2714 RT1P144C 2SA1296 DTC124XS 2SA933 2SB1370 DTA124X DTA123JK DTC114YS 2SC1740 DTA124XK DTC114TS DTC124XK 2SC2712 2SA1162 DTC114EK E C B 2SC1815 2SA1357 HN1C03F...

  • Page 10: Wiring-1 (Main 2B)

    WIRING-1 (MAIN 2B) ANTENA -10-...

  • Page 11: Wiring-2 (Deck)

    WIRING-2 (DECK) (R/P SEL SW) -11-...

  • Page 12: Schematic Diagram-1 (Main 2B 1/2, Deck)

    SCHEMATIC DIAGRAM-1 (MAIN 2B 1/2, DECK) Q243,244 -12-...

  • Page 13: Schematic Diagram-2 (Main 2B 2/2)

    SCHEMATIC DIAGRAM-2 (MAIN 2B 2/2) -13-...

  • Page 14: Wiring-3 (Vcd, Fr )

    WIRING-3 (VCD, FR <COMPONENT>) -14-...

  • Page 15: Wiring-4 (Vcd, Fr , Led)

    WIRING-4 (VCD, FR <CONDUCTOR>, LED) -15-...

  • Page 16: Schematic Diagram-3 (Vcd 1/2)

    SCHEMATIC DIAGRAM-3 (VCD 1/2) -16-...

  • Page 17: Schematic Diagram-4 (Vcd 2/2)

    SCHEMATIC DIAGRAM-4 (VCD 2/2) -17-...

  • Page 18: Schematic Diagram-5 (Fr, Led)

    SCHEMATIC DIAGRAM-5 (FR, LED) -18-...

  • Page 19: Wiring-5 (Pt)

    WIRING-5 (PT) W 0 0 1 -19-...

  • Page 20: Schematic Diagram-6 (Pt)

    SCHEMATIC DIAGRAM-6 (PT) -20-...

  • Page 21: Wiring-6 (Motor C.b)

    WIRING-6 (MOTOR C.B) MOTOR C.B (SLED MOTOR) (INSIDE LIMIT SW) (SPINDLE MOTOR) -21-...

  • Page 22: Electrical Adjustment

    ELECTRICAL ADJUSTMENT MAIN 2B C.B (Component side) J201 PHONES L772 L771 FFE801 L981 IC771 DECK C.B L501 M1 (TAPE MOTOR) -22-...

  • Page 23: Tape Section

    < TAPE SECTION > < TUNER SECTION > 7. Tape speed Adjustment 1. AM VT Adjustment Settings: • Test tape: TTA-100 Test point: FFE801 (4PIN) • Test point: J201 (PHONES jack) Adjustment location: L981 (3/3) • Adjustment location: SFR of deck motor 7.5V±0.05V ..............

  • Page 24: Fl Grid Assignment/Anode Connection

    FL (AIWA4239ACL-13) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION -24-...

  • Page 25: Voltage Chart

    VOLTAGE CHART -25-...
  • Page 26 -26-...
  • Page 27 -27-...
  • Page 28 -28-...

  • Page 29: Ic Block Diagram

    IC BLOCK DIAGRAM IC, M62495AFP IC, M5291FP Switch collector Driver Peak currect Switch emitter detection External capacitance Power supply 1.17V for oscillation REF. VOL Ground Comparator input IC, LA1837NL IC, LC72131D -29-...
  • Page 30 IC, BA5915FP 6.65K 6.65K 6.65K 6.65K MUTE T.S.D: Thermal shut-down Resistors are in units of Ω. IC, BA4560N IC, SN74LV74APW -30-...

  • Page 31: Ic Description

    IC DESCRIPTION IC, CXA1992AR Pin No. Pin Name Description Output terminal for focus error amplifier. Internally connected to window comparator input for bias condition. Input terminal for focus error. FDFCT Capacitor connection terminal for time constant used when there is defect. This pin is connected to GND via capacitor when high frequency gain of the focus servo is attenuated.
  • Page 32 Pin No. Pin Name Description RF_O Output terminal of RF summing amplifier. Checkpoint of Eye pattern. Anti-reverse input terminal for RF summing amplifier. RF_M The gain of RF amplifier is decided by the connection resistance between RF_M and RFO terminals. This is a pin where the selection time constant is externally connected to control the RFTC RF level.

  • Page 33: Ic Description

    IC DESCRIPTION IC, CXD2540Q Pin No. Pin Name Description Focus OK input. Used for SENS output and the servo auto sequencer. Spindle motor output filter switching output. (Not connected) Spindle motor on/off control output. (Not connected) Spindle motor servo control. Spindle motor servo control.
  • Page 34 Pin No. Pin Name Description LRCK64 DA12 output when PSSL=1. 64-bit slot LR clock when PSSL=0. (Not connected) GTOP DA11 output when PSSL=1. GTOP output when PSSL=0. (Not connected) XVCF DA10 output when PSSL=1. XUGF output when PSSL=0. (Not connected) XPCLK DA09 output when PSSL=1.
  • Page 35 Pin No. Pin Name Description CNIN Track jump count signal input. DATO Serial data output to SSP. XLTO Serial data latch output to SSP. Latched at the falling edge. CLKO Serial data transfer clock output to SSP. Mirror signal input. Used when the number of tracks is 128 or more for the 2N-track jump and MIRR M track move of the auto sequencer.
  • Page 36 IC, CL680 Pin No. Pin Name Description — No connection. — GND. CD BCK Bit clock input from CD DSP. CD DATA Data input from CD DSP. CD LRCK LRCK input from CD DSP. CD C2PO C2 pointer input from CD DSP. —...
  • Page 37 Pin No. Pin Name Description Y OUT Video signal “Y” OUT. (Not connected) AVDD DAC — Analog power supply (DAC) 3.3V. AGND DAC — Analog ground. R REF Reference resistor input. (Pull down) V REF Voltage reference input. (Not connected) AVDD DAC —...
  • Page 38 Pin No. Pin Name Description __________ HINT Micon interface. (Host interrupt) CDG SCK CD-G serial clock input. — Ground. Micon interface. (Host clock) VDD3 — Power supply 3.3V. HD IN Micon interface. (Host data in) VDD3 — Power supply 3.3V. HSEL Micon interface.
  • Page 39 IC, LC74781M Pin No. Pin Name Description VSS1 — GND connection terminal. (Digital ground terminal). Xtal IN External X’tal and capacitor for internal sync generator, or the external clock are Xtal OUT connected to this terminal. (2fsc or 4fsc). (Pin3: Not connected) Either the external clock input mode or the X’tal generator mode is selected by this selector CTRL1 terminal.
  • Page 40 Pin No. Pin Name Description ______________ ______________ Controls whether or not to input the VSYNC signal to the SEPIN input. L: to input the VSYNC CTRL3 ______________ signal. H: not to input the VSYNC signal. (Connected to Vdd) System reset input terminal. Pull-up resistor is built-in. (Hysteresis input). (Pull down) VDD1 —...
  • Page 41 IC, µPD78016CFG-578-AB8 Pin No. Pin Name Description RBPLS RADIAL BALANCE PLUS. AMUTE AUDIO ANALOG MUTE (H=MUTE ON). GFS. XVCDMD AUDIO/VIDEO CD MODE (L=VCD=SPINDLE GAIN UP). DOUT MUTE CONT. EMPH EMPHASIS. SQSO SQDATA FROM CD. SQCK SQCLK TO CD. — GND. SWNT SW TV OUT MODE (L=NTSC).
  • Page 42 Pin No. Pin Name Description 8.0MHz CERALOCK. (Pull down) — GND. — Not used. 5.0VDD. AVSS — GND. XMPGRST MPEG BLOCK IC RESET. HSEL ADDRESS/DATA SEL TO CL680. INLSW INSIDE LIMIT SW . RWSEL2 CD-RW SELECT1. L=CD-RW. OSDXCS OSD CHIP SELECT. (Pull down) ABSEL CXA1992A/B SELECT (L=CXA1992A).
  • Page 43 IC, SM5878M Pin No. Pin Name Description MODE = H: Soft mute ON/OFF terminal. (Mute at H). MUTE MODE = L: Attenuator level DOWN/UP terminal. (DOWN at H). (Pull down) DEEM De-emphasis ON/OFF terminal. (De-emphasis ON at H). Oscillator clock output. (16.9344 MHz). DVSS —...
  • Page 44 IC, LC867140V-5T17 Pin No. Pin Name Description O-XBUSY/CE READY/BUSY I/O from VCD MICON. Tuner, chip enable output for PLL communication. O-DATA Tuner, serial data output for PLL communication. Sound processor control. O-CLK Tuner, clock output for PLL communication. — No connected. O-CLK SFT Clock shift control.
  • Page 45 Pin No. Pin Name Description — No connected. I-CD TEST — No connected. I-TU TEST — No connected. 64-66 COM0-2 LCD common output. (No.22-24) — No connected. VSS2 — GND. VDD2 — Power supply positive polarity (+) terminal. O-CD ON CD/VCD power supply control.

  • Page 46: Mechanical Exploded View 1/1

    MECHANICAL EXPLODED VIEW 1/1 HT-SINK CUSHION, CD A SH, LCD CUSHION, CD A CUSHION, CD A ZZM-1 SHLD-PLATE,PT WIRE ASSY, 30LUG -46-...

  • Page 47: Mechanical Parts List 1/1

    MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 8A-CGD-007-010 WINDOW,CASS-V 26 8A-CLD-620-010 FF-CABLE,16P CD-RF 2 8A-CLD-006-010 BOX,CASS 27 8A-CLD-003-110 CHAS,CD 3 8A-CGD-008-010 WINDOW,LCD-V 28 87-063-165-010 OIL-DMPR 150 4 8A-CLD-213-010 SPR-T,CASS 29 8A-CLD-212-010 SPR-T,CD 5 8A-CLD-216-010 CUSHION,FOOT...

  • Page 48: Tape Mechanism Exploded View 1/1

    TAPE MECHANISM EXPLODED VIEW 1/1 TERMINAL,LB1 -48-...

  • Page 49: Tape Mechanism Parts List 1/1

    TAPE MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 8Z-ZM1-254-310 SPR-C,REEL R 31 87-A91-819-010 HEAD,EH 2NSS-2200 2 8Z-ZM1-225-110 GEAR,REEL R 32 8Z-ZM1-215-010 LEVER,REC LOCK 3 8Z-ZM1-253-210 SPR-C,AUTO SENSOR 33 87-A91-492-010 SW,LEAF MSW18560 4 8Z-ZM1-217-110 LEVER,AUTO SENSOR 34 8Z-ZM1-226-010...

  • Page 50: Cd Mechanism Exploded View 1/1

    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 51: Speaker Parts List 1/1

    SPEAKER PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 1 8A-CLD-635-010 SPKR,10MM 7OHM 8W Y000411 2 8A-CGD-012-010 FRAME,NET-V ASSY 3 8A-CLD-021-010 CABI,SPKR-FR 4 8A-CLD-026-010 PLATE,GATE 5 8A-CLD-216-010 CUSHION,FOOT A 87-741-096-410 UT2+3-10 B 87-741-104-410 UT2+3-30 GLD -51-...
  • Page 52 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 737004 Printed in Singapore...

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