Table of Contents
Related Manuals for Aiwa AM-HX50
Summary of Contents for Aiwa AM-HX50
- Page 1 AM-HX50 AHK1(S) AM-HX55 AHK1(L,W) SERVICE MANUAL MINIDISC PLAYER BASIC MD MECHANISM : ZZG-5 A This Service Manual is the “Revision Publishing” and replaces “Simple Manual” (S/M Code No.09-999-335-5T2). S/M Code No. 09-999-335-5R2...
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Page 2: Specifications
SPECIFICATIONS • Design and specifications are subject to change without notice. • Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. • The word “BBE” and the “BBE symbol” are trademarks of BBE Sound,Inc. -
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: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS 1. Removing the PANEL, BOT Remove the screw A*1 and screw B*6, and remove the PANEL, BOT in the direction of the arrow. When attaching the PANEL, BOT, set the KNOB, SL HOLD. KNOB, SL HOLD PANEL, BOT 2. - Page 5 3. Removing the PANEL ASSY, TOP Remove the screw A*5 and unlock the claw B of the HLDR, CTRG to remove the PANEL ASSY, TOP. PANEL ASSY, TOP 4. Removing the HLDR, CTRG Remove the HLDR, CTRG by bending both sides of the HLDR, CTRG. Be careful not to bend portion A.
- Page 6 5. Removing the MECHANISM Remove the screw A*1 and screw B*2. Remove the MECHANISM, while being careful not to catch the Headphones jack in the FRAME, CENTER. Be careful not bend the screw of the FRAME, CENTER. Headphones jack MD MECHANISM FRAME, CENTER...
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Page 7: Electrical Main Parts List
ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C308 87-A10-770-080 C-CAP,V 0.1-10 K B C309 87-A10-770-080 C-CAP,V 0.1-10 K B 87-A21-294-010 C-IC,LA9606 C400 87-A11-049-080 C-CAP,U 1-6.3 K B 87-A21-295-010 C-IC,LC89641 C401 87-A11-049-080 C-CAP,U 1-6.3 K B 87-A21-140-010 C-IC,MSM51V17400D... -
Page 8: Chip Resistor Part Code
REF. NO PART NO. KANRI DESCRIPTION FLEX JACK C.B 8A-HM3-601-010 PWB,FLEX JACK FLEX KEY C.B 8A-HM3-602-010 PWB,FLEX KEY • Regarding connectors, they are not stocked as they are not the initial order items. The connectors are available after they are supplied from connector manufacturers upon the order is received. CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure... -
Page 9: Block Diagram
BLOCK DIAGRAM X200 16.93MH EFMIN P-CONT... - Page 10 WIRING-1 (MAIN)
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Page 12: Schematic Diagram
SCHEMATIC DIAGRAM... - Page 13 WIRING-2 (JACK FLEX)
- Page 14 WIRING-3 (KEY FLEX) VOL - VOL + FLEX KEY C.B TO/FROM MAIN C.B CN300...
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Page 15: Test Mode
TEST MODE Each operation is displayed on the LCD of the remote control. Proceed to the next operation using the keys of the main unit and the remote control. The test mode is operated ignoring abnormalities. If an abnormality occurs, disconnect the power plug immediately. The HOLD switch of the remote control functions during the test mode. - Page 16 (1) Laser power check Press the DISP/SEARCH key of the remote control to illuminate the laser. The operation cycles among OFF ™ PIT laser power ™ GRV laser power ™ OFF repeats each time the key is pressed. • LCD display PIT laser power “LDPP $XX”...
- Page 17 3. Starting and stopping the adjustment mode Operation of the adjustment mode is checked using the LCD of the remote control. IC300 IC200 MAIN board test point (1) Starting While shorting TP1 of the main board, turn on the power (by installing the battery). When the adjustment mode starts, the EL back indicator and all LCD indicators light, then “Manufacture MODE”...
- Page 18 4. Adjustment procedure (1) PIT disc (TEST DISC: TGYS1) Insert a disc and press the “PLAY” key. (Be careful of the direction of the unit.) After “AUTO ADJ H” appears on the LCD of the remote control, “COMPLETE” appears. (2) GRV disc (SONY MDW-74) Insert a disc and press the “PLAY”...
- Page 19 IC DESCRIPTION IC, LC875164A Pin No. Pin Name Description Not used (L output). Interrupt input at reduced power supply voltage. INTB Interrupt request input from LC89641. Not used (L output). WRQB Interrupt request input from LC89641. RESET Microprocessor reset. — Connected to VDD.
- Page 20 Pin No. Pin Name Description VP (CLV servo lock judgement) signal input. MON3 Monitor 3 signal input from LC89641. MON2 Monitor 2 signal input from LC89641. MON1 Monitor 1 signal input from LC89641. MON0 Monitor 0 signal input from LC89641. DEFECT DEFECT signal input.
- Page 21 IC, LC89641 Pin No. Pin Name Description AGC control signal output terminal. AOFFSET ABCD offset control signal output terminal. FOFFSET Focus offset control signal output terminal. TOFFSET Tracking offset control signal output terminal. TBAL Tracking balance control signal output terminal. LDREF Laser control signal output terminal.
- Page 22 Pin No. Pin Name Description ________ MWEB WE signal output terminal to DRAM. Data input/output terminal to DRAM. _________ MCASB CAS signal output terminal to DRAM. ______ MOEB OE signal output terminal to DRAM. MAD8 MAD7 MAD6 Address output terminal to DRAM. MAD5 MAD4 SMON3...
- Page 23 Pin No. Pin Name Description SLCO HF signal slice level output terminal. The terminal to which external bias resistor setting of the slice level adjustment SLCIST amplifier is connected. EFMIN HF signal input terminal. TEST2 Test input terminal. VDD2 — Power supply terminal.
- Page 24 IC, BD6601KVT Pin No. Pin Name Description SGND — GND for small signal circuit (MOS). ASGND — GND for small signal circuit (Bipolar). PWIN1 Half bridge 1 input. PWIN2 Half bridge 2 input. FG output. BRK– Brake comparator input (-). BRK+ Brake comparator input (+).
- Page 25 Pin No. Pin Name Description VCC2 — The power supply terminal 2 for small signal circuit (Bipolar). IN1F H bridge 1 forward input. IN1R H bridge 1 reverse input. IN2F H bridge 2 forward input. IN2R H bridge 2 reverse input. EXTCLK Sync clock input terminal.
- Page 26 IC, LA9606 Pin No. Pin Name Description PPIT Pit/groove judgement signal output. High = pit, Low = groove. — Matrix system power supply pin. Pin for pickup photo diode connection. Generates the RF single by I pin. Pin for pickup photo diode connection. Generates the RF single by J pin. Pin for pickup photo diode connection.
- Page 27 Pin No. Pin Name Description RFVCC — RF system power supply pin. ADIPCR ADIP carrier signal output pin. — Not used. Wobble signal output pin. Wobble signal input pin. SETR Setting pin for band-pass filter. — The terminal to which external capacitor of DC-cut of the wobble signal is connected. BWCT Band-pass filter switching pin of wobble signal.
- Page 28 IC BLOCK DIAGRAM IC, TA2131FL IC, S-93C46AMFN IC, TC7W74FU...
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Page 29: Mechanical Exploded View
MECHANICAL EXPLODED VIEW 1/1 MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 8A-HM3-010-010 WINDOW,DISP<AHK1<S>> 16 8A-HM3-008-110 KNOB,SL EJECT<EXCEPT AHK1<L>> 1 8A-HM4-004-010 WINDOW,DISP<AHK1<W>> 16 8A-HM4-011-110 KNOB,SL EJECT S<AHK1<L>> 1 8A-HM4-013-010 WINDOW,DISP S<AHK1<L>> 17 8A-HM3-006-010 LENS,OPE 2 8A-HM4-001-010... - Page 30 MD MECHANISM EXPLODED VIEW 1/2 MD MECHANISM EXPLODED VIEW 2/2 P.C.B ZZS-2 A CUSH-R MD MECHANISM PARTS LIST 2/2 REF. NO PART NO. KANRI DESCRIPTION 1 8Z-ZS2-214-010 PLATE,BASE ZZS2 2 8Z-ZS2-204-010 BRG ASSY,ZZS2 3 8Z-ZS2-201-010 COIL ASSY,ZZS2 4 8Z-ZS2-213-010 MAGNET,ZZS2 5 8Z-ZS2-208-010 ROTOR ASSY,ZZS2 6 8Z-ZS2-212-010...
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Page 31: Accessories/Package List
ACCESSORIES/PACKAGE LIST REF. NO PART NO. KANRI DESCRIPTION 1 87-B30-244-010 CHARGER,RB-M02K 2 87-B30-201-010 BAT,MHB-901 3 87-B30-297-010 HEADPHONE,HP-M031 H<EXCEPT AHK1<L>> 3 87-B30-296-010 HEADPHONE,HP-M031 L<AHK1<L>> 4 87-B30-221-010 CASE,BATTERY 5 8Z-HM4-605-010 RC UNIT,RC-HX30<EXCEPT AHK1<L>> 5 8A-HM3-604-010 RC UNIT,RC-HX30 L(I)<AHK1<L>> 6 8A-HM3-952-010 BAG,CARRING 7 8A-HM3-951-010 BOX,BAT ASSY AHM-3<EXCEPT AHK1<L>>... - Page 32 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore 931196...