Related Manuals for Aiwa HS-TX491
Summary of Contents for Aiwa HS-TX491
- Page 1 HS-TX491 SERVICE MANUAL STEREO RADIO BASIC TAPE MECHANISM : 8ZM-3 P4NF CASSETTE PLAYER S/M Code No. 09-99A-407-8R2...
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Page 2: Specifications
12 mW + 12 mW (EIAJ/32 ohms) Power source: Battery DC 3V, size AA (R6) x 2 Domestic AC power (using optional AC adaptor: AIWA AC-D302) Battery life (EIAJ,1 mW output, playback): Approx. 7 hours using size AA (R6P) manganese batteries Approx. -
Page 3: Accessories / Package List
ACCESSORIES / PACKAGE LIST If can’t understand for Description please kindly refer to “ REFERENCE NAME LIST ”. REF.NO PARTNO. KANRI DESCRIPTION 8Z-HRB-923-010 IB,YU(3L)S 491 87-B30-254-010 HEADPHONE,HP-M007B(T) 8Z-HRB-050-110 CLIP,BELT ASSY... -
Page 4: Electrical Main Parts List
ELECTRICAL MAIN PARTS LIST REF.NO PARTNO KANRI DESCRIPTION REF.NO PARTNO. KANRI DESCRIPTION C210 87-012-156-080 CAP,S 220P-50 CH C212 87-012-286-080 CAP, U 0.01-25 87-002-423-080 IC,TA2002 FN C216 87-012-162-080 C-CAP,U 1P-50 CK 87-017-370-080 IC,MM1038AFF C217 87-A10-047-080 C-CAP,U 1-10 Z F 87-A21-215-040 C-IC,TA2104AFN C222 87-010-831-080 C-CAP,U,0.1-16F... -
Page 5: Transistor Illustration
ELECTRICAL MAIN PARTS LIST REF.NO PARTNO. KANRI DESCRIPTION L301 87-A50-230-080 COIL,D-D CHIP RESISTOR PART CODE LCD301 8Z-HR9-603-110 LCD,HS ASSY(BAND/TU) R111 87-022-656-080 C-RES,K43G 0.68 Chip Resistor Part Coding S001 8Z-HRB-607-010 SW,SL 2-2-2 SSZZ-S-502(S) S002 87-A90-050-010 SW, SL 2-2-2 NS (BLK) S101 87-A91-077-010 SW,LEAF S301... - Page 6 WIRING (MAIN)
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Page 7: Schematic Diagram (Main)
SCHEMATIC DIAGRAM (MAIN) -
Page 8: Ic Block Diagram
IC BLOCK DIAGRAM LCD DIAGRAM IC, MM1038AFF IC, TK11823MTL... - Page 9 IC DESCRIPTION IC, TC9318FB-046 Pin No. Pin Name Description 1 ~ 3 COM1 ~ COM3 LCD common output. 4 ~ 22 S1 ~ S19 LCD segment output. 23 ~ 26 S20 ~ S23 Not used. 27 ~ 30 K0 ~ K3 Key matrix input.
- Page 10 ADJUSTMENT MAIN C.B L 206 CT 201 L 202 TP1(VT) VR 001 L 204 SFR101 J001 HEADPHONES NOTE: : On the other components side <RADIO SECTION> 1. AM IF Adjustment 4. FM VT Adjustment IFT201..............450kHz Settings: •Test point TP1(VT) •Adjustment location ......L204 2.
- Page 11 <TAPE PLAYER SECTION> 6.Tape Speed Adjustment Settings: • Test tape : TTA–100 • Test point : HEADPHONES (J001) • Adjustment location : SFR101 • Supper BASS: • Tape select: NORM • Direction: • Volume: MAX–10dB Method: Play back the test tape and adjust for 3000Hz±60Hz (FWD) and confirm that REV speed is 3000Hz±60Hz.
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Page 12: Mechanical Exploded View
MECHANICAL EXPLODED VIEW 1/1 8ZM-3 P4NF P.C.B LCD301... -
Page 13: Mechanical Parts List
MECHANICAL PARTS LIST 1/1 REF.NO PARTNO KANRI DESCRIPTION REF.NO PARTNO. KANRI DESCRIPTION 8Z-HRB-047-010 LID,CASS TRP 8Z-HRB-048-010 WINDOW,CASS TPR 8Z-HRB-217-110 SPR-T,CASS 8Z-HRB-056-010 KEY,PRESET R TRP 8Z-HRB-202-110 HLDR,DC JACK 8Z-HRB-054-010 PANEL,REAR TRP 87-HRA-603-010 BAR-ANT,MW 8Z-HRB-201-110 HLDR,BAR-ANT 8Z-HRB-209-010 BAT-CONTACT,M 8Z-HRB-208-010 BAT-CONTACT,P 8Z-HRB-053-010 LID,BATT TRP 8Z-HRB-203-110 HLDR,KNOB RTRY 8Z-HRB-212-010... - Page 14 TAPE MECHANIISM EXPLODED VIEW 1/1 W-P,1.16-2.8-0.4...
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Page 15: Tape Mechanism Parts List
TAPE MECHANISM PARTS LIST 1/1 REF.NO PARTNO KANRI DESCRIPTION REF.NO PARTNO. KANRI DESCRIPTION 8Z-HRB-049-010 FRAME,CENTER TRP 88-ZM3-267-010 SHAFT,PULLEY TWIN 8Z-HRB-207-110 SPR-P,CASS 88-ZM3-234-010 PULLEY,BELT TWIN 88-ZM3-253-110 SPR-C,BT L 88-ZM3-212-010 LEVER,LOCK 88-ZM3-274-010 GEAR,REEL A 88-ZM3-245-110 SPR-T,LOCK 8Z-HRB-014-110 KNOB,SL OPEN 88-ZM3-201-210 CHAS ASSY,OUTSERT P 88-ZM3-216-010 LEVER,SW 8Z-HRB-204-110... - Page 16 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820572 931261 Printed in Singapore...