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Aiwa Z-L220 Service Manual

Compact disc stereo system
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SERVICE MANUAL
COMPACT DISC STEREO SYSTEM
SYSTEM
Z-L220
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
of CX-ZL220 <LH>, (S/M Code No. 09-00B-439-5T1).
• If requiring information about the CD mechanism, see Service Manual of BZG-5,
(S/M Code No. 09-00C-353-3N2).
Z-L220
BASIC TAPE MECHANISM : ZZM-2 PR1NM
BASIC CD MECHANISM : BZG-5 ZD3N1M
CD
CASSEIVER
CX-ZL220
S/M Code No. 09-011-439-5R1
REMOTE
SPEAKER
CONTROLLER
SX-ZL220
RC-ZAS02
LH

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Summary of Contents for Aiwa Z-L220

  • Page 1 Z-L220 SERVICE MANUAL BASIC TAPE MECHANISM : ZZM-2 PR1NM COMPACT DISC STEREO SYSTEM BASIC CD MECHANISM : BZG-5 ZD3N1M REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER Z-L220 CX-ZL220 SX-ZL220 RC-ZAS02 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual”...

  • Page 2: Specifications

    SPECIFICATIONS Main unit CX-ZL220 <General> Power requirements 120 V/ 220-230 V/ 240 V <FM tuner section> (switchable) 50/60 Hz Tuning range 87.5 MHz to 108 MHz Power consumption 80 W Usable sensitivity (IHF) 13.2 dBf Dimensions of main unit 360 x 395.3 x 348.8 mm Antenna terminals 75 ohms (unbalanced) (W x H x D)

  • 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: Note On Before Starting Repair

    NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block When repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged across the electrolytic capacitors (C101, 102) even though AC power cord is removed.
  • Page 5 In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 2-2. Regarding reset There are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC power cord is re-inserted, or the software reset (pressing the STOP key + POWER key) is performed.

  • Page 6: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-010-247-080 CAP, ELECT 100-50V 87-010-430-080 CAP, ELECT 100-63 8B-MA6-615-010 C-IC,LC866560-5T63 87-A12-062-080 CAP,E 100-10 SMG 87-A21-831-010 IC,SPS-422-1-F1 87-012-286-080 C-CAP, U 0.01-25 87-A21-419-040 C-IC,NJM14558MD-TE2 87-A12-062-080 CAP,E 100-10 SMG 87-A21-893-040 C-IC,NJM14558V-TE2 87-A21-443-040...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C402 87-A12-083-080 CAP,E 0.1-50 SMG C816 87-A12-086-080 CAP,E 0.47-50 SMG C403 87-012-193-080 C-CAP,U 82P-50 CH C821 87-A12-091-080 CAP,E 10-50 SMG C404 87-012-193-080 C-CAP,U 82P-50 CH C823 87-010-986-080 C-CAP,S 820P-50 J CH C405 87-012-286-080 CAP, U 0.01-25...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION L832 87-005-847-080 COIL,2.2UH(CECS) C210 87-018-117-080 CAP,TC-U 68P-50 SL L902 88-ZA1-602-110 COIL,FM-RF-U2 2G C211 87-A11-147-080 CAP,TC U 0.047-50 Z F L903 88-ZA1-601-010 COIL,FM-RF-U1 2G C212 87-010-404-040 CAP,E 4.7-50 SME L904 87-005-847-080 COIL,2.2UH(CECS)

  • Page 9: Chip Resistor Part Code

    CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Wattage Type Tolerance Symbol 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 B C E...

  • Page 10: Pin Connection

    FL (10-BT-224GNK) GRID ASSIGNMENT / ANODE CONNECTION / PIN CONNECTION GRID ASSIGNMENT ANODE CONNECTION PIN CONNECTION – 10 –...
  • Page 11 WIRING – 1 (MAIN) – 11 –...

  • Page 12: Schematic Diagram - 1 (Main 1/2)

    SCHEMATIC DIAGRAM - 1 (MAIN 1/2) – 12 –...

  • Page 13: Schematic Diagram - 2 (Main 2/2)

    SCHEMATIC DIAGRAM - 2 (MAIN 2/2) <TUNER> – 13 –...
  • Page 14 WIRING – 2 (FRONT) (REMOTE SENSOR) – 14 –...

  • Page 15: Schematic Diagram - 3 (Front)

    SCHEMATIC DIAGRAM - 3 (FRONT) – 15 –...
  • Page 16 WIRING – 3 (PT) – 16 –...

  • Page 17: Schematic Diagram - 4 (Pt)

    SCHEMATIC DIAGRAM - 4 (PT) – 17 –...

  • Page 18: Wiring - 4 (Deck)

    WIRING – 4 (DECK) – 18 –...

  • Page 19: Ic Block Diagram

    IC BLOCK DIAGRAM – 19 –...
  • Page 20 IC DESCRIPTION LC866560-5T63 Pin No. Pin Name Description PLL IC clock output. DATA PLL IC data output. TU-ON Tuner supply control. H: ON O-PLL-CE Tuner PLL IC chip enable. O-RMT Record ON/OFF control. H: ON BIAS Recording bias control. L: ON O-POWER Audio power ON/OFF.
  • Page 21 Pin No. Pin Name Description NON-ECO/ P10 ECO OFF input (Connected to VSS). 75~76 P9~P8 Not used. O-KEYSCAN Output keyscan. 78~80 P6~P4 Not connected. CD SUBQ CD SUBQ serial data input. CD DRF CD DRF input. I-WRQ CD WRQ input. Not connected.
  • Page 22 ADJUSTMENT – 1 <TUNER/FRONT> < TUNER SECTION > 1. Clock Frequency Check 8. Output Level Check Settings : • Test point : TP2 (CLK) <AM> Method : Set to AM 1710kHz and check that the test point is Settings : • Test point : TP8 (Lch), TP9 (Rch) 2160kHz ±...
  • Page 23 ADJUSTMENT – 2 <DECK> < DECK SECTION > 1. Tape Speed Adjustment (DECK 1) 5. REC/PB Frequency Response Adjustment (DECK 1) Settings : • Test tape : TTA–100 Settings : • Test tape : TTA–602 • Test point : TP8 (Lch), TP9 (Rch) •...

  • Page 24: Cd Test Mode

    CD TEST MODE 1. How to Activate CD Test Mode While pressing and holding the function button, insert the AC plug. When the test mode starts, the message, “CD TEST” appears on the display. 2. How to Cancel CD Test Mode Press the POWER button or remove the AC plug.

  • Page 25: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 – 25 –...

  • Page 26: Mechanical Parts List

    BOX,CASS L A6 29 87-085-185-010 BUSHING, AC CORD (E) 5 8B-MA3-105-010 KNOB ASSY,RTRY VOL 30 87-MA3-062-010 FOOT, H17 6 87-B00-002-010 BADGE,AIWA 30 ABS SIL 31 8B-MA3-047-010 PANEL,SIDE L (U) 7 81-532-080-010 LABEL, CASS. COMPT 32 8B-MA3-048-010 PANEL,SIDE R (U) 8 8B-MA6-050-010...

  • Page 27: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1 / 1 TERMINAL,LB1 TERMINAL,LB1 – 27 –...

  • Page 28: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-ZM1-254-310 SPR-C,REEL R 36 8Z-ZM1-220-110 LEVER,REC SENSOR 2 8Z-ZM1-225-110 GEAR,REEL R 37 8Z-ZM1-249-210 SPR-T,FR 3 8Z-ZM1-253-210 SPR-C,AUTO SENSOR 38 8Z-ZM1-242-310 SPR-T,FF/REW 4 8Z-ZM1-217-110 LEVER,AUTO SENSOR...

  • Page 29: 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 30: Speaker Parts List

    GRILLE,FRAME ASSY 3 8B-MSG-602-010 SPKR,W 130 4 88-NS5-605-010 SPKR,T 60 5 83-MSE-605-010 SPKR,CERAMIC 6 8B-MSG-612-010 CORD,SPKR 7 8A-NSJ-006-010 BADGE,AIWA S35 ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8B-MA6-902-010 IB,LH (ESP) M 2 87-006-268-010 ANT,LOOP AM 3 8Z-NF9-702-010...
  • Page 31 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 2000068 9630472 0251431 Printed in Singapore...

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