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SERVICE MANUAL
COMPACT DISC STEREO SYSTEM
STEREO
SYSTEM
INTEGRATED
TUNER
AMPLIFIER
XR-M918
TX-LM918
MX-LM918
XR-M919
TX-LM919
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
XR-M919 (EZ), (S/M Code No. 09-014-444-6T1) and
XR-M918 (K), (S/M Code No. 09-014-444-6T2).
• If requiring information about FX-LM918, see Service Manual of FX-LM918 (Y),
(S/M Code No. 09-015-444-7R1).
• If requiring information about AM-LM918, see Service Manual of AM-LM918 (Y),
(S/M Code No. 09-016-446-9R1).
STEREO
COMPACT
DISC PLAYER
DX-LM918
MX-LM919
S/M Code No. 09-017-444-6R1
XR-M918
XR-M919
BASIC CD MECHANISM : 3ZG-3 E13NM
STEREO
MINI DISC
CASSETTE
RECORDER
DECK
FX-LM918
AM-LM918
(OPTIONAL)
(OPTIONAL)
K
EZ
REMOTE
SPEAKER
CONTROLLER
SX-LM918
RC-BAT02
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Table of Contents
Related Manuals for Aiwa XR-M918
Summary of Contents for Aiwa XR-M918
- Page 1 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” XR-M919 (EZ), (S/M Code No. 09-014-444-6T1) and XR-M918 (K), (S/M Code No. 09-014-444-6T2). • If requiring information about FX-LM918, see Service Manual of FX-LM918 (Y), (S/M Code No. 09-015-444-7R1).
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Page 2: Table Of Contents
TABLE OF CONTENTS SPECIFICATIONS ................................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ..............4 MODEL NO. TX–LM918 / LM919 ELECTRICAL MAIN PARTS LIST ..........................5 ~ 7 TRANSISTOR ILLUSTRATION ............................8 WIRING – 1 (MAIN) <EZ> ..............................9 WIRING –... -
Page 3: Specifications
SPECIFICATIONS <STEREO TUNER TX-LM918 / LM919> <COMPACT DISC PLAYER DX-LM918> <FM Tuner section> <Compact disc player section> Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (λ = 780 nm) Usable sensitivity (IHF) 16.8 dBf D-A converter 1 bit dual Antenna terminal 75 ohms (unbalanced) Signal-to-noise ratio... -
Page 4: 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. WARNING!! ATTENTION ADVARSEL Caution: Invisible laser radiation when open and interlocks defeated avoid exposure to beam. Advarsel: Usynlig laserståling ved åbning, når sikkerhedsafbrydere er ude af funktion. -
Page 5: Electrical Main Parts List
MODEL NO. TX-LM918 / LM919 ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C133 87-010-759-080 C-CAP,U 0.1-25F C135 87-012-195-080 C-CAP,U 100P-50 J CH<K> 87-A21-022-040 C-IC,BA3880FS C201 87-A12-090-080 CAP,E 4.7-50 SMG 87-A21-103-040 C-IC,MM1454XFBE C202 87-A12-090-080 CAP,E 4.7-50 SMG... - Page 6 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C515 87-010-759-080 C-CAP,U, 0.1-25F S708 87-A90-696-080 SW,TACT TS2103-03-430 C516 87-A12-063-080 CAP,E 220-10 SMG C517 87-012-274-080 CHIP CAP,U 1000P-50B C518 87-010-759-080 C-CAP,U, 0.1-25F CONN C.B C519 87-010-759-080 C-CAP,U, 0.1-25F C610 87-012-274-080 C-CAP,U 1000P-50 K B<EZ>...
- Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C800 87-012-191-080 C-CAP,U 68P-50 J CH-16 C984 87-012-286-080 CAP, U 0.01-25 C801 87-A11-056-080 C-CAP,U 1-10 Z F C985 87-012-195-080 C-CAP,U 100P-50CH C802 87-010-829-080 CAP, U 0.047-16 Z F C987 87-012-286-080 CAP, U 0.01-25...
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Page 8: Chip Resistor Part Code
CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Symbol Wattage Type Tolerance 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 E C B... -
Page 9: Wiring - 1 (Main)
WIRING – 1 (MAIN) <EZ> – 9 –... -
Page 10: Wiring - 2 (Main)
WIRING – 2 (MAIN) <K> – 10 –... -
Page 11: Wiring - 3 (Front / Conn / Aux / Tape - Jack / Led - L / Led - R / Lcd - Led)
WIRING – 3 (FRONT / CONN / AUX / TAPE – JACK / LED – L / LED – R / LCD – LED) <EZ> – 11 –... -
Page 12: Wiring - 4 (Front / Conn / Aux / Tape - Jack / Led - L / Led - R / Lcd - Led)
WIRING – 4 (FRONT / CONN / AUX / TAPE – JACK / LED – L / LED – R / LCD – LED) <K> – 12 –... -
Page 13: Schematic Diagram - 1 (Main / Front / Conn / Aux / Tape - Jack / Led - L / Led - R / Lcd - Led)
SCHEMATIC DIAGRAM – 1 (MAIN / FRONT / CONN / AUX / TAPE – JACK / LED – L / LED – R / LCD – LED) – 13 –... -
Page 14: Wiring - 5 (Tuner)
WIRING – 5 (TUNER) – 14 –... -
Page 15: Schematic Diagram - 2 (Tuner)
SCHEMATIC DIAGRAM – 2 (TUNER) – 15 –... -
Page 16: Ic Block Diagram
IC BLOCK DIAGRAM – 16 –... -
Page 17: Lcd Diagram
LCD DIAGRAM Segment side Common side – 17 –... -
Page 18: Ic Description
IC DESCRIPTION EZ : IC, LC87F65C8A-BCF1, K : IC, LC876596-BCJ1 Pin No. Pin Name Description O-CD XLAT Latch output for CD DSP CXD2589Q 8pin. I-CD SENSE Sense input for CD DSP CXD2589Q 6pin. O-CD SQCK SQCK output for CD DSP CXD2589Q 4pin. O-SUB FSTB Strobe output for deck IC BU2092F 4pin. - Page 19 Pin No. Pin Name Description I-DK CLOSE Input for mecha deck position (CLOSE). 60 ~ 65 – Not connected. AM10K AM10K option. (Connected to GND through a resistor) FM WIDE&AM ST FM WIDE & AM ST option. (Connected to GND through a resistor) LW option.
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Page 20: Adjustment
ADJUSTMENT < TUNER SECTION > 8. FM Tracking Adjustment 1. Clock Frequency Check Settings : • Test point : TP8 (Rch), TP9 (Lch) Settings : • Test point : TP2 (CLK) • Adjustment location : L901, L902, L904, L905 Method : Set to MW 1602kHz and check that the test point is Method : Set to FM 108.0MHz and adjust L901, L902, L904,... -
Page 21: Mechanical Exploded View 1 / 1
MECHANICAL EXPLODED VIEW 1 / 1 <EZ> SH,LCD SH,REFRECTOR CHAS,MAIN – 21 –... -
Page 22: Mechanical Parts List 1 / 1
MECHANICAL PARTS LIST 1 / 1 <EZ> REF. NO. PART NO. KANRI DESCRIPTION 1 8B-CF1-004-010 WINDOW,DISPLAY 2 8Z-CC3-007-010 BADGE,AIWA 27.5 ABS SIL 3 8B-CF1-012-010 CABI,FR TU EZ 4 8B-CF1-003-010 WINDOW,SENSOR 5 8B-CE1-018-010 REFLECTOR,FR 6 8Z-CE3-204-010 GUIDE,LED R 7 8B-CE1-208-010 GUIDE,LED CNT... -
Page 23: Mechanical Exploded View 1 / 1
MECHANICAL EXPLODED VIEW 1 / 1 <K> SH,LCD SH,REFRECTOR CHAS,MAIN – 23 –... -
Page 24: Mechanical Parts List 1 / 1
MECHANICAL PARTS LIST 1 / 1 <K> REF. NO. PART NO. KANRI DESCRIPTION 1 8B-CF1-004-010 WINDOW,DISPLAY 2 8Z-CC3-007-010 BADGE,AIWA 27.5 ABS SIL 3 8B-CF1-001-010 CABI,FR TU 4 8B-CF1-003-010 WINDOW,SENSOR 5 8B-CE1-018-010 REFLECTOR,FR 6 8Z-CE3-204-010 GUIDE,LED R 7 8B-CE1-208-010 GUIDE,LED CNT... -
Page 25: Electrical Main Parts List
MODEL NO. MX-LM918 / LM919 ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C137 87-012-199-080 C-CAP,U 220P-50 J CH C138 87-012-199-080 C-CAP,U 220P-50 J CH 87-001-536-010 IC,NJM78M05FA C139 87-012-199-080 C-CAP,U 220P-50 J CH 87-A22-097-010 IC,KIA7812AP C140... - Page 26 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C301 87-012-286-080 C-CAP,U 0.01-25 K B LED-L C.B C302 87-012-286-080 C-CAP,U 0.01-25 K B C303 87-012-286-080 C-CAP,U 0.01-25 K B C701 87-012-286-080 C-CAP,U 0.01-25 K B C304 87-012-286-080 C-CAP,U 0.01-25 K B CN702 87-A60-619-010...
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Page 27: Transistor Illustration
TRANSISTOR ILLUSTRATION E C B E C B B C E B C E 2SD2025 2SB1344 CC5551 2SD655E KTA1266GR E C B 2SC4115SRS 2SK2158 2SA1235F 2SA1514K(S) 2SC3052F CMBT5551 RT1P141C RT1P441C – 27 –... -
Page 28: Wiring - 1 (Pwb - Amp / Hp)
WIRING – 1 (PWB – AMP / HP) – 28 –... -
Page 29: Wiring - 2 (Spk / Front / Led - L / Led - R / Ac)
WIRING – 2 (SPK / FRONT / LED – L / LED – R / AC) – 29 –... -
Page 30: Schematic Diagram (Pwb - Amp / Spk / Front / Hp / Led - L / Led - R / Ac)
SCHEMATIC DIAGRAM (PWB – AMP / SPK / FRONT / HP / LED – L / LED – R / AC) – 30 –... -
Page 31: Mechanical Exploded View 1 / 1
MECHANICAL EXPLODED VIEW 1 / 1 <EZ> HT-SINK REG SA HT-SINK ASSY MAIN HT-SINK MAIN SUB ASSY PLATE,SHLD AMP HLDR, WIRE ASSY PWB ECO PWB, HLDR CHAS,MAIN – 31 –... -
Page 32: Mechanical Parts List 1 / 1
2 8B-CE1-015-010 LENS,FUN 3 8B-CE1-006-010 RING,FUN 4 8B-CE1-012-010 KNOB,RTRY VOL 5 8B-CE1-008-010 REFLECTOR,VOL 6 8B-CE1-007-010 RING,VOL 7 8Z-CC3-007-010 BADGE,AIWA 27.5 ABS SIL 8 8B-CE1-023-010 CABI,FR AMP EZ 9 8B-CE1-014-010 KEY,JOG MODE 10 8B-CE1-013-010 KEY,ENTER 11 8B-CE1-018-010 REFLECTOR,FR 12 8B-CE1-025-010 KEY ASSY,POWER... -
Page 33: Mechanical Exploded View 1 / 1
MECHANICAL EXPLODED VIEW 1 / 1 <K> HT-SINK REG SA HT-SINK ASSY MAIN HT-SINK MAIN SUB ASSY PLATE,SHLD AMP HLDR, WIRE ASSY PWB ECO PWB, HLDR CHAS,MAIN – 33 –... -
Page 34: Mechanical Parts List 1 / 1
2 8B-CE1-015-010 LENS,FUN 3 8B-CE1-006-010 RING,FUN 4 8B-CE1-012-010 KNOB,RTRY VOL 5 8B-CE1-008-010 REFLECTOR,VOL 6 8B-CE1-007-010 RING,VOL 7 8Z-CC3-007-010 BADGE,AIWA 27.5 ABS SIL 8 8B-CE1-001-010 CABI,FR AMP 9 8B-CE1-014-010 KEY,JOG MODE 10 8B-CE1-013-010 KEY,ENTER 11 8B-CE1-018-010 REFLECTOR,FR 12 8B-CE1-025-010 KEY ASSY,POWER... -
Page 35: Electrical Main Parts List
MODEL NO. DX-LM918 ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C748 87-012-199-080 C-CAP,U 220P-50 J CH C749 87-012-284-080 CAP, U 6800P-50 C750 87-010-759-080 C-CAP,U, 0.1-25F 87-A20-547-010 C-IC,CXA1992AR C754 87-012-286-080 CAP, U 0.01-25 87-A20-546-010 C-IC,CXD2589Q C755... - Page 36 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION L710 87-003-102-080 COIL,10UH J LAL02 LED-L C.B L801 87-008-372-080 FILTER, EMI BL01 RN1 R700 87-022-255-080 C-RES,U47K-1/16WF C792 87-012-286-080 CAP, U 0.01-25 R701 87-022-255-080 C-RES,U47K-1/16WF CN705 87-A60-619-010 CONN,2P V 2MM JMT R705 87-022-227-080 C-RES,U 3.3K-1/16W F...
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Page 37: Transistor Illustration
TRANSISTOR ILLUSTRATION E C B E C B E C B DTC124EKA CSD655E 2SA933SR 2SA1318T – 37 –... -
Page 38: Wiring (Main / Sub / Front / Led - L / Led - R / Cd Load / Cd Drive)
WIRING (MAIN / SUB / FRONT / LED – L / LED – R / CD LOAD / CD DRIVE) – 38 –... -
Page 39: Schematic Diagram (Main / Sub / Front / Led - L / Led - R / Cd Load / Cd Drive)
SCHEMATIC DIAGRAM (MAIN / SUB / FRONT / LED – L / LED – R / CD LOAD / CD DRIVE) – 39 –... -
Page 40: Ic Block Diagram
IC BLOCK DIAGRAM – 40 –... -
Page 41: 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 42 Pin No. Pin Name Description RF I Input terminal by capacity combination of RF summing amplifier. 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 RF O terminals.
- Page 43 IC, CXD2589Q Pin No. Pin Name Description 1, 20, 45, 60 — GND. LMUTE Lch-“0” detect flag. (Not used) RMUTE Rch-“0” detect flag. (Not used) SQCK Clock input for SQSO read out. SQSO SubQ 80 bit serial output. SENSE SENS signal output to CPU. DATA Serial data input from CPU.
- Page 44 Pin No. Pin Name Description BCK1 D/A interface bit clock input. XUGF XUGF output, MNT1 or RPCK output by switching command. (Not used) XPCK XPLCK output, MNT0 output by switching command. (Not used) GFS output, MNT3 or XRAOF output by switching command. (Not used) C2PO C2PO output, GTOP output by switching command.
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Page 45: Electrical Measurement
ELECTRICAL MEASUREMENT PWB,CD IC702 IC701 45pin 1pin IC704 Method of Measuring CD • Check that it is in the test mode. • Place the CD mechanism on level ground. Measuring Device: Oscilloscope (use 10:1 probe) Digital Multimeter (use DCV lens) Jitter Meter (KIKUSUI 6235) Test Disc: TCD-782, ATD-001 1. -
Page 46: Cd Test Mode
CD TEST MODE 1. How to Activate CD Test Mode While pressing the CD PLAY button, insert the AC plug. When the test mode starts, all lights on the display are lit. 2. How to Cancel CD Test Mode Press the POWER button or remove the AC plug. * The test mode is cancelled by other function keys during play. -
Page 47: Mechanical Exploded View 1 / 1
MECHANICAL EXPLODED VIEW 1 / 1 3ZG-3 E13NM WIRE,ASSY CHAS,MAIN – 47 –... -
Page 48: Mechanical Parts List 1 / 1
MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-CC3-007-010 BADGE,AIWA 27.5 ABS SIL 2 8B-CX1-001-010 CABI,FR CD 3 8B-CE1-018-010 REFLECTOR,FR 4 8B-CE1-208-010 GUIDE,LED CNT 5 8Z-CE3-204-010 GUIDE,LED R 6 8Z-CE3-203-010 GUIDE,LED L 7 8B-CF1-005-010 PANEL,SIDE L... -
Page 49: Cd Mechanism Exploded View 1 / 2 <3Zg-3 E13Nm
CD MECHANISM EXPLODED VIEW 1 / 2 < 3ZG–3 E13NM > 3ZG-2 E3NM – 49 –... -
Page 50: Cd Mechanism Parts List 1 / 2 <3Zg-3 E13Nm
CD MECHANISM PARTS LIST 1 / 2 < 3ZG–3 E13NM > 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 9 83-ZG3-219-010 PLATE,CLAMP... -
Page 51: Cd Mechanism Exploded View 2 / 2 <3Zg-2 E3Nm
CD MECHANISM EXPLODED VIEW 2 / 2 < 3ZG–2 E3NM > CD MECHANISM PARTS LIST 2 / 2 < 3ZG–2 E3NM > 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... -
Page 52: General Speaker Disassembly Instructions (For Reference)
GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) Type.1 Type.4 Insert a flat-bladed screwdriver into the position indicated by the TOOLS 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 53: Speaker Parts List
SPEAKER PARTS LIST <SX–LM918 (YML, YJMN)> REF. NO. PART NO. KANRI DESCRIPTION 1 8B-CP1-002-010 RING,W 2 8B-CP1-003-010 RING,TW A 3 8B-CP1-004-010 RING,TW B 4 8B-CP1-005-010 GRILLE,FRAME ASSY 5 8B-CP1-602-010 SPKR,W 140 25/2G 6 8B-CP1-604-010 SPKR,TW 25/2 7 8A-CJ5-415-010 TERMINAL 8 8B-CP5-610-010 CORD,SPKR ACCESSORIES / PACKAGE LIST REF. - Page 54 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 2000041 921338 Printed in Singapore...
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