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Aiwa AM-HX100 Service Manual

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AM-HX100
AHK
SERVICE MANUAL
MINIDISC PLAYER
BASIC MD MECHANISM: BZG-8 A
• This Service Manual is the "Revision Publishing" and replaces
"Simple Manual" of AM-HX100 <AHK>, (S/M Code No. 09-015-446-0T2).
S/M Code No. 09-018-446-0R2

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  • Page 1 AM-HX100 SERVICE MANUAL MINIDISC PLAYER BASIC MD MECHANISM: BZG-8 A • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” of AM-HX100 <AHK>, (S/M Code No. 09-015-446-0T2). S/M Code No. 09-018-446-0R2...

  • Page 2: Specifications

    SPECIFICATIONS Main unit Playback system MiniDisc digital audio system Encoding methods ATRAC, ATRAC 3 LP2, ATRAC 3 LP4 Laser pickup Semiconductor laser Sampling Frequency 44.1kHz Number of channels Stereo: 2 channels Monaural: 1 channel D/A converter 1-bit Frequency response 40 – 20,000 Hz ± 4dB 20 –...

  • 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 CAUTION 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 DISASSEMBLY INSTRUCTIONS Removing only the PANEL, BOT can make the service position. 1. How to remove PANEL, BOT (1) Remove the 5 screws a1-a5 (1.4-1.8) and the 2 screws b1,b2 (1.4-1.4). (2) Take out PANEL, BOT. * When assembling, put the PANEL, BOT from HP JACK side with care for strap hole and HOLD SW. Install the screws from 1 to 5 as shown in the diagram.
  • Page 5 3. How to remove HLDR, BATT/PWB, MAIN (1) Short the PICKUP Shortland. (2) Remove the solders of HINGE, BATT and disconnect the 3 connectors (a). PICK UP SHORT LAND HINGE, BATT (3) Remove the screw at b, 3 screws at c and then take out PWB, MAIN. * Check that the 2 BOSS are inside the circuit board when assembling.
  • Page 6 4. How to remove the mechanism and FRAME, CENTER (1) Remove the screw a and the HINGE, BATT. HINGE, BATT (2) Remove the 5 BOSS and take out the mechanism. * When assembling, make sure that all the BOSS are fixed. BOSS BOSS BOSS...

  • Page 7: Sled Motor

    5. How to remove PICK-UP (1) Remove the poly washer PW and then GEAR, A. (2) Remove the screw a, and the SPR-P, LEAD. (3) Remove the shaft and PICK-UP together. PICK-UP SPR-P, LEAD GEAR, A 6. How to remove the SLED MOTOR (1) Remove the poly washer PW and then GEAR, A.

  • Page 8: Spindle Motor

    7. How to remove the SPINDLE MOTOR (1) Remove the solder fixed at a. (2) Remove the 3 screws at b1, b2 and b3 and SPINDLE MOTOR. * Follow the direction of the arrow to tighten the screws from b1 onwards to install the SPINDLE MOTOR. SPINDLE MOTOR –...

  • Page 9: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C203 87-A10-758-080 C-CAP,V 3300P-50 K B C204 87-A10-671-080 C-CAP,V 0.022-16 K B 87-A22-099-080 C-IC,LA9607T C206 87-A10-770-080 C-CAP,V 0.1-10 K B 87-A21-835-010 C-IC,LC896431 C208 87-A10-770-080 C-CAP,V 0.1-10 K B 87-A21-526-010 C-IC,GM71VLS17403CTL-1...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C752 87-A11-170-080 C-CAP,S 4.7-6.3 K B R616 87-A01-015-080 C-RES,V 560K-1/16W F C753 87-A11-170-080 C-CAP,S 4.7-6.3 K B R629 87-A01-013-080 C-RES,M/F V 220K-1/16W D CN100 87-A61-315-080 C-CONN,20P H XF2L-2035 R630 87-A01-012-080 C-RES,M/F V 34K-1/16W D...

  • Page 11: Transistor Illustration

    TRANSISTOR ILLUSTRATION SSM3J05FU FDC633N 2SA1588Y HN1C03FUB SSM3K05FU FDG311N 2SA1832GR SSM6J06FU 2SC3265Y DTA144EE DTC144EE – 11 –...
  • Page 12 WIRING – 1 (MAIN) <1 / 2> – 12 –...
  • Page 13 WIRING – 1 (MAIN) <2 / 2> – 13 –...
  • Page 14 SCHEMATIC DIAGRAM (MAIN / FLEX JACK) – 14 –...
  • Page 15 WIRING – 2 (FLEX JACK) – 15 –...
  • Page 16 IC BLOCK DIAGRAM – 16 –...
  • Page 17 IC DESCRIPTION IC, LC875164A-5V90 Pin No. Pin Name Description WSEL Select signal terminal for writing flash memory (Normally “L” output). WCLK CLOCK terminal for writing flash memory (Normally “L” output). (Not used) WDATA DATA I/O terminal for writing flash memory (Normally “L” output). (Not used) Electricity reduction interrupt input.
  • Page 18 Pin No. Pin Name Description FOK signal input. VP (CLV servo lock check) signal input. MON3 Monitor 3 signal input from LC896431. MON2 Monitor 2 signal input from LC896431. MON1 Monitor 1 signal input from LC896431. MON0 Monitor 0 signal input from LC896431. DEFECT DEFECT signal input.
  • Page 19 IC, LC896431 Pin No. Pin Name Description VCC2 — Power supply output. SHOCK SHOCK/RFNG output terminal. SLCO Slice level output terminal of HF signal. SLCIST Bias resistance terminal of slice level adjustment amplifier. EFMIN HF signal input terminal. RESET System Reset. Track detection signal input terminal.
  • Page 20 Pin No. Pin Name Description Not connected. VCEC system clock signal output terminal. (Not used) VCC2 — Power supply terminal. — Ground terminal. DEFECT Defect signal input and output terminal. Data input and output terminal to DRAM. Not connected. Data input and output terminal to DRAM. Not connected.
  • Page 21 Pin No. Pin Name Description VCC2 — Power supply terminal. 16.934 MHz oscillator circuit input. XOUT 16.934 MHz oscillator circuit output. — Ground terminal. — Internal power supply terminal. AVSS 1 bit DAC ground. OUTR 1 bit DAC Right channel output. (Not used) OUTL 1 bit DAC left channel output.
  • Page 22 IC, LA9607T Pin No. Pin Name Description PPIT Pit/group identification signal output. Hi= pit, Lo= group. — Power supply pin of matrix system. Photo diode connection pin of pickup. Form RF signal with I pin. Photo diode connection pin of pickup. Form RF signal with J pin. Photo diode connection pin of pickup.
  • Page 23 Pin No. Pin Name Description 3TSW — RF3T filter switch pin for focus balance. 3TSW= 3T extraction with Hi. (Connected to VEE) GLHSW — RF, servo system gain 6dB down switch pin in ROM. GLHSW= 6dB down with Hi. RAGCSW —...
  • Page 24 IC, CXA8110TQ Pin No. Pin Name Description SPCOM Spindle motor common voltage detection terminal. FOPWMF H bridge 1 forward input terminal. FOPWMR H bridge 1 reverse input terminal. TRPWMF H bridge 2 forward input terminal. TRPWMR H bridge 2 reverse input terminal. —...
  • Page 25 Pin No. Pin Name Description SLPWM Sled motor PWM input terminal. Sled motor decoder input terminal 3. Sled motor decoder input terminal 2. Sled motor decoder input terminal 1. — Connecting terminal to 2nd phase capacitor of charge pump. — Connecting terminal to 1st phase capacitor of charge pump.

  • Page 26: Md Test Mode

    MD TEST MODE Test Mode The operations are displayed by LCD of the remote controller. The keys of the main unit and remote controller can control shifts between operations. * TEST MODE will ignore any abnormalities during operation. Plug off the power supply once any abnormalities are detected. * HOLD switch of the remote controller will function in TEST MODE.
  • Page 27 (1) Checking Laser Power Laser Power can be checked in Mode No. 7. The display will repeat the string of OFF PIT Laser Power GRV Laser Power OFF every time DISP/SEARCH key of the remote controller is pressed. * Laser will not be luminescent. •...
  • Page 28 ADJUSTMENT 1. Adjustment Mode Operations in Adjustment Mode can be checked on the LCD of the remote controller. TEST MAIN circuit board Test Points (1) Preparation Disc to be used • PIT disc (pre-mastered disc): TEST DISC (TGYS1 or TDYS-1) •...
  • Page 29 2. Adjustment Procedure (1) How to activate adjustment mode Turn ON the power (set 1.30V batteries terminal) while shorting TEST of the main circuit board. Once adjustment mode is activated, LCD will all light up and EL backlight will be turned ON. Then it displays “Manufacture MODE”. (2) Using the multimeter, measure the DC voltage between VDD-GND of the test point.

  • Page 30: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 BZG-8A JACK SH, PANEL BOT – 30 –...

  • Page 31: Mechanical Parts List

    MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION 1 8B-HM4-001-110 PANEL ASSY,TOP<AHK1S> 1 8B-HM4-018-110 PANEL ASSY,TOP L<AHK1L> 2 8B-HM4-205-010 BOX ASSY,BATT 3 8B-HM4-009-010 LENS,OPE 4 8A-HM5-602-110 PWB,FLEX JACK 5 8B-HM4-004-010 FRAME,CENTER 6 8A-HM5-216-010 BAT-CONTACT,- 7 8B-HM4-007-010 KNOB,SL EJECT 8 8A-HM3-217-110 SPR-E,EJECT...
  • Page 32 MD MECHANISM EXPLODED VIEW 1 / 1 MD MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION 1 8B-ZG8-223-010 CHAS ASSY,MECHA 2 87-A91-488-010 MOT,MX-2263 3 8A-ZGF-208-010 GEAR,A 4 M8-ZZS-294-000 ZZS-2 C 5 8A-ZGF-209-010 GEAR,B 6 8Z-ZG5-217-010 BRG, 1.1-2-2 7 8A-ZGF-210-010 SHAFT,LEAD 8 8A-ZGF-212-010...

  • Page 33: Accessories / Package List

    ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8B-HM4-902-110 IB,HK(ECH) 2 87-B30-507-010 BAT,MHB-901EX-SO 3 87-B30-221-010 CASE,BATTERY 4 87-B30-450-010 HEADPHONE,HP-M056A (S) 5 8B-HM4-953-010 BOX,BAT ASSY BHM-4<AHK1S> 5 8B-HM4-955-010 BOX,BAT ASSY BHM-4 L<AHK1L> 6 8B-HM4-952-010 RC UNIT,RC-HX100 7 8A-HM6-954-110 CLIP,RC-CL33 8 8B-HM4-954-010 BAG,CARRING BHM-4...
  • Page 34 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 2000068 921338 Printed in Singapore...
  • Page 35 AM-HX100 SERVICE MANUAL MINIDISC PLAYER BASIC MD MECHANISM : BZG-8 A • Replace this Service manual with “Revision Publishing” when it is issued. S/M Code No. 09-015-446-0T2...

  • Page 36: Parts List

    UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME ! O ACCESSORY 87-B30-144-010 2M AC ADAPTOR,AC-D401K NC AHK1L AM-HX100 ! O ACCESSORY 87-B30-144-010 2M AC ADAPTOR,AC-D401K NC AHK1S AM-HX100 O ACCESSORY 87-B30-221-010 1B CASE,BATTERY AHK1L AM-HX100 O ACCESSORY...
  • Page 37 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O AUDIO 0729 87-A11-049-080 0E C-CAP,U 1-6.3 K B AHK1L AM-HX100 O AUDIO 0729 87-A11-049-080 0E C-CAP,U 1-6.3 K B AHK1S AM-HX100 O AUDIO 0750 87-016-449-080 1A C-CAP,TN 10-4 M S AHK1L...
  • Page 38 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X AUDIO 0751 88-104-474-080 0E C-RES,V 470K-1/16W J AHK1L AM-HX100 X AUDIO 0751 88-104-474-080 0E C-RES,V 470K-1/16W J AHK1S AM-HX100 X AUDIO 0752 88-104-474-080 0E C-RES,V 470K-1/16W J AHK1L AM-HX100...
  • Page 39 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X DRIVER 0404 88-104-474-080 0E C-RES,V 470K-1/16W J AHK1L AM-HX100 X DRIVER 0404 88-104-474-080 0E C-RES,V 470K-1/16W J AHK1S AM-HX100 X DRIVER 0405 88-104-105-080 0E C-RES,V 1M-1/16W J AHK1L AM-HX100...
  • Page 40 UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O KNOB 8B-HM4-008-010 0E KNOB,SL HOLD AHK1S AM-HX100 O KNOB 8B-HM4-022-010 0E KNOB,SL HOLD L AHK1L AM-HX100 X LBL,POP 8B-HM4-971-010 -- LBL,POP AHK AHK1L AM-HX100 X LBL,POP 8B-HM4-971-010 -- LBL,POP AHK...
  • Page 41 UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X OTHERS 8A-HM5-231-010 0E CUSH-R, SPC JACK AHK1L AM-HX100 X OTHERS 8A-HM5-231-010 0E CUSH-R, SPC JACK AHK1S AM-HX100 X OTHERS 8B-HM3-206-110 0E SH, BATT EX AHK1L AM-HX100 X OTHERS...
  • Page 42 K NO. DESCRIPTION SUFFIX MODEL NAME O POWER SUPPLY 0611 87-A11-049-080 0E C-CAP,U 1-6.3 K B AHK1S AM-HX100 O POWER SUPPLY 0613 87-A11-049-080 0E C-CAP,U 1-6.3 K B AHK1L AM-HX100 O POWER SUPPLY 0613 87-A11-049-080 0E C-CAP,U 1-6.3 K B...
  • Page 43 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X POWER SUPPLY 0608 88-104-103-080 0E C-RES,V 10K-1/16W J AHK1S AM-HX100 X POWER SUPPLY 0609 88-118-120-080 0E C-RES,S 12-1/10W J AHK1L AM-HX100 X POWER SUPPLY 0609 88-118-120-080 0E C-RES,S 12-1/10W J AHK1S...
  • Page 44 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O RF 0110 87-A11-170-080 1A C-CAP,S 4.7-6.3 K B AHK1S AM-HX100 O RF 0111 87-A10-561-080 0E C-CAP,V 0.01-16 K B AHK1L AM-HX100 O RF 0111 87-A10-561-080 0E C-CAP,V 0.01-16 K B AHK1S...
  • Page 45 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X RF 0111 88-104-223-080 0E C-RES,V 22K-1/16W J AHK1S AM-HX100 X RF 0112 88-104-473-080 0E C-RES,V 47K-1/16W J AHK1L AM-HX100 X RF 0112 88-104-473-080 0E C-RES,V 47K-1/16W J AHK1S AM-HX100...
  • Page 46 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O SYSTEM CONTROL 0701 87-A10-770-080 0E C-CAP,V 0.1-10 K B AHK1S AM-HX100 O SYSTEM CONTROL 0300 87-A40-556-080 0E C-LED,CL-270HR RED AHK1L AM-HX100 O SYSTEM CONTROL 0300 87-A40-556-080 0E C-LED,CL-270HR RED AHK1S AM-HX100...
  • Page 47 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O SYSTEM CONTROL 0334 87-A00-760-080 -- C-RES,V 68K-1/16W F AHK1S AM-HX100 O SYSTEM CONTROL 0335 87-A00-755-080 -- C-RES,V 6.8K-1/16W F AHK1L AM-HX100 O SYSTEM CONTROL 0335 87-A00-755-080 -- C-RES,V 6.8K-1/16W F AHK1S...
  • Page 48 SCHEMATIC DIAGRAM – 1 (MAIN) – 14 –...
  • Page 49 2– 11, IKENOHATA 1– CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820543 Printed in Singapore...

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