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Aiwa XR-M171 Service Manual

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SERVICE MANUAL
COMPACT DISC STEREO SYSTEM
SYSTEM
XR–M171
XR–M191
• This Service Manual is the "Revision Publishing" and replace "Simple Manual"
XR-M171/191<U,LH>, (S/M Code No. 09-012-443-6T1).
XR-M171
XR-M191
BASIC CD MECHANISM : 3ZG-3 E2NC
BASIC TAPE MECHANISM: BZM-1 AR2NC
CD
SPEAKER
CASSEIVER
CX–LM171
SX–LM171
CX–LM191
SX–LM191
S/M Code No. 09-013-443-6R1
U
U,LH
REMOTE
CONTROLLER
RC–AAT11

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Summary of Contents for Aiwa XR-M171

  • Page 1 COMPACT DISC STEREO SYSTEM BASIC TAPE MECHANISM: BZM-1 AR2NC REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER XR–M171 CX–LM171 SX–LM171 RC–AAT11 XR–M191 CX–LM191 SX–LM191 • This Service Manual is the “Revision Publishing” and replace “Simple Manual” XR-M171/191<U,LH>, (S/M Code No. 09-012-443-6T1). S/M Code No. 09-013-443-6R1...

  • Page 2: Specifications

    SPECIFICATIONS TUNER SPEAKERS SX-LM171 (only for XR-M171) FM tuning range: 87.5 MHz to 108 MHz Speaker system: 2 way, bass reflex FM usable sensitivity(IHF): 13.2 dBf Speaker units: Woofer: 120 mm (4.7 in.) cone FM antenna terminals: 75 ohms (unbalanced) Tweeter: 20 mm (0.78 in.) cone...

  • Page 3: Protection Of Eyes From Laser Beam During Servicing

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

  • Page 4: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C112 87-010-263-080 CAP, ELECT 100-10V C113 87-010-403-080 CAP, ELECT 3.3-50V 87-020-454-010 IC,DN6851 C114 87-010-374-080 CAP, ELECT 47-10V 87-A20-446-010 C-IC,LA9241ML C115 87-A11-007-080 CAP,M 0.047-50 J DE 87-A21-319-010 C-IC,LC78622NE C116...
  • Page 5 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C616 87-010-408-080 CAP, ELECT 47-50V PR301 87-A91-957-080 FUSE,630MA 125V F 20N<191U,171U> C617 87-010-408-080 CAP, ELECT 47-50V PR301 87-026-689-080 PROTECTOR,1A 491SERIES 60V<191LH> C619 87-010-401-080 CAP, ELECT 1-50V S301 87-A90-164-080 SW,TACT SKQNAB(N) C620 87-010-401-080...
  • Page 6 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-010-370-080 CAP,E 330-6.3 SME C784 87-012-286-080 C-CAP,U 0.01-25 K B 87-010-404-080 CAP, ELECT 4.7-50V C785 87-012-286-080 C-CAP,U 0.01-25 K B 87-010-759-080 C-CAP,U, 0.1-25F C786 87-010-787-080 C-CAP,U 0.022-25 K B 87-010-263-080 CAP, ELECT 100-10V C788...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C996 87-012-195-080 C-CAP,U 100P-50CH LOAD C.B C997 87-010-831-080 C-CAP,U,0.1-16F C998 87-010-553-040 CAP,E 47-16 GAS CON6 87-099-210-010 CONN,5P 6216 H C999 87-012-286-080 C-CAP,U 0.01-25 K B 87-045-305-010 MOTOR, RF-500TB DC-5V (2MA) CF831 87-008-261-010 FLTR,CF SFE10.7MA5...

  • Page 8: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B B C E B C E E C B CSC4115BC 2SA1979O/Y 2SB1342 2SA952K KTA1266GR 2SC1815GR 2SB1370E KTC3198GR 2SD1933 E C B E C B 2SA1162GR DTA144TKA 2SC4115SRS 2SA1296GR 2SK2158 2SA1235F DTC114ES 2SK360E 2SC2712GR DTC144TKA 2SC2714O KRA107S DTA124EUA RT1P141C...
  • Page 9 WIRING – 1 (MAIN) – 9 –...
  • Page 10 SCHEMATIC DIAGRAM – 1 (MAIN) – 10 –...
  • Page 11 WIRING – 2 (TUNER) – 11 –...
  • Page 12 SCHEMATIC DIAGRAM – 2 (TUNER) – 12 –...
  • Page 13 WIRING – 3 (FRONT) – 13 –...
  • Page 14 SCHEMATIC DIAGRAM – 3 (FRONT / DECK) – 14 –...
  • Page 15 WIRING – 4 (CD / DRIVE / LOAD) – 15 –...
  • Page 16 SCHEMATIC DIAGRAM – 4 (CD / DRIVE / LOAD) – 16 –...
  • Page 17 WIRING – 5 (PT: U) – 17 –...
  • Page 18 SCHEMATIC DIAGRAM – 5 (PT: U) – 18 –...
  • Page 19 WIRING – 6 (PT: LH) – 19 –...
  • Page 20 SCHEMATIC DIAGRAM – 6 (PT: LH) – 20 –...
  • Page 21 WIRING – 7 (DECK) – 21 –...
  • Page 22 IC BLOCK DIAGRAM – 22 –...
  • Page 23 FL (HNA-11SS 29T) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – 23 –...
  • Page 24 ANODE CONNECTION – 24 –...
  • Page 25 IC DESCRIPTION IC, LC866548A Description Pin No. Pin Name I-ST/MO Tuner stereo input. I-TU/IFC Tuner TUNE IFC input. O-SOL Deck solenoid ON/OFF output. O-REC/PB Deck record/playback select output. O-MOTOR Deck motor ON/OFF control output. O-BIAS Record 85 kHz oscillaor ON/OFF output. O-MUTE Mute output.
  • Page 26 Description Pin No. Pin Name I-LW LW detect input. (Not used) I-SW SW detect input. (Not used) I-STOP Deck stop signal input. I-AS Auto stop signal input. I-WRQ CD WRQ input. I-DRF CD DRF input. Not connected. O-CD_ON CD ON/OFF control output. O-CD_CLOSE CD tray close output.
  • Page 27 IC, LA9241ML Pin No. Pin Name Description Connects to the pickup's photo diode; adding this pin to pin FIN1 generates RF signal, FIN2 and subtracting it generates FE signal. FIN1 Connects to the pickup's photo diode. Connects to the pickup's photo diode; subtracting this pin from pin F generates TE signal.
  • Page 28 Pin No. Pin Name Description CV– Input for CLV error signal from DSP. RFSM Output for RF. RFS– For setting RF gain and 3T compensation constant together with RFSM. SLICE LEVEL CONTROL; output for controlling the data slice level of DSP with RF waveform.
  • Page 29 IC, LC78622NE Pin No. Pin Name Description DEFI Defect detection signal (DEF) input. Test input. A pull-down resistor is built in. Must be connected to 0V. External VCO control phase comparator output. VVSS – Internal VCO ground. Must be connected to 0V. ISET PDO output current adjustment resistor connection.
  • Page 30 Pin No. Pin Name Description LCHO Left channel one-bit D/A converter output. LVSS – Left channel one-bit D/A converter ground. (Must be connected to 0V) RVSS – Right channel one-bit D/A converter ground. (Must be connected to 0V) RCHO Right channel one-bit D/A converter output. RVDD –...
  • Page 31 ADJUSTMENT <TUNER / DECK> < TUNER SECTION > 1. Clock Frequency Check 11. FM Separation Check Settings : • Test point : TP2 (CLK) Settings : • Test point : TP8 (Rch), TP9 (Lch) Method : Set to AM 1710 kHz and check that the test point is •...

  • Page 32: Cd Test Mode

    CD TEST MODE 1. How to Activate CD Test Mode While pressing the CD function button, insert the AC plug to the outlet. All FL display will light up. 2. How to Cancel CD Test Mode Exit the CD test mode by any of the following procedures. •...
  • Page 33 MECHANICAL EXPLODED VIEW 1 / 1 – 33 –...

  • Page 34: Mechanical Parts List

    MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 88-CL4-215-010 CUSH,FOOT FR 21 86-NF9-224-010 SPR-C,LOCK 2 8B-CL9-046-010 BOX,CASS M191 22 87-NF4-217-110 HLDR,LOCK 2 3 8B-CL9-052-010 WINDOW,CASS 23 88-CL4-220-010 SPR-T,CASS 4 8B-CL9-080-010 KNOB,RTRY VOLUME 24 87-NF8-220-010 DMPR,150...
  • Page 35 TAPE MECHANISM EXPLODED VIEW 1 / 1 SH, 1.63-3.2 -0.5 SLT HLDR, MOTOR PLATE, SHLD MOTOR HLDR, IC – 35 –...

  • Page 36: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-ZM1-271-010 PULLEY,MOT ZZM-1 31 82-ZM1-240-110 LVR,REC(*) 2 82-ZM1-354-010 BELT,SBU MAIN2 EPDM 32 82-ZM1-259-310 SPR-T,PINCH R 3 82-ZM1-234-310 FLY-WHL ASSY,L 33 82-ZM1-257-010 SPR-T,CAS 4 82-ZM1-226-010 GEAR,REW...

  • Page 37: Cd Mechanism Exploded View

    CD MECHANISM EXPLODED VIEW 1 / 2 CUSH-G, MAIN A CUSH-G, MAIN A 3ZG-2 E3 – 37 –...
  • Page 38 CD MECHANISM PARTS LIST 1 / 2 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 83-ZG3-224-510 HLDR M2 2 83-ZG3-228-610 CHAS,L6 3 83-ZG3-208-010 PULLEY,MOTOR 4 83-ZG3-213-010 LVR,SW 5 83-ZG3-209-610 CAM,SLIDE 6 83-ZG3-207-010 GEAR,TRAY 7 83-ZG3-204-210 GEAR,C 8 83-ZG3-205-010 GEAR,D...
  • Page 39 CD MECHANISM EXPLOVED VIEW 2 / 2 CD MECHANISM PARTS LIST 2 / 2 REF. NO. PART NO. KANRI DESCRIPTION 1 83-ZG2-262-010 CHAS ASSY,E3 2 87-A90-836-010 PICKUP,KSS-213F 3 83-ZG2-235-010 GEAR,A3 4 83-ZG2-236-010 GEAR,MOTOR 3 5 83-ZG2-205-310 GEAR,B 6 83-ZG2-253-010 SHAFT,SLIDE 5 A 87-261-032-210 V+2-3 –...

  • Page 40: General Speaker Disassembly Instructions (For Reference)

    GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) Type.1 Type.4 TOOLS Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Remove the screws of each speaker 1 Plastic head hammer unit and then remove the speaker units. 2 (() flat head screwdriver 3 Cut chisel How to Remove the PANEL, FR...
  • Page 41 SPEAKER PARTS LIST (SX-LM191<YJMN>) REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8B-CP9-002-010 PANEL,FR 2 8B-CP9-003-010 RING,TW 3 8B-CP9-004-010 GRILLE,FRAME ASSY 4 8A-CL9-163-010 SPKR, CERAMIC 5 8A-CL9-164-010 CORD, SP SPEAKER PARTS LIST (SX-LM171<YJSN>) REF. NO. PART NO.
  • Page 42 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820572 0251431 Printed in Singapore...

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