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Aiwa Z-L520 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
COMPACT DISC STEREO
SYSTEM
Z–L520
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
Z-L520 (EZ,K,U), (S/M Code No. 09-011-439-4T2).
• If requiring information about the CD mechanism, see Service Manual of
BZG-5, (S/M Code No. 09-00C-353-3N2).
www
.
http://www.xiaoyu163.com
SYSTEM
CD
CASSEIVER
CX–ZL520
x
ao
u163
y
i
S/M Code No. 09-012-439-4R2
http://www.xiaoyu163.com
Z-L520
2 9
8
Q Q
3
6 7
1 3
1 5
BASIC TAPE MECHANISM : ZZM-3 PR1NM
BASIC CD MECHANISM : BZG-5 ZD3N1M
SPEAKER
SX–ZL520
co
.
EZ,K,U
9 4
2 8
0 5
8
2 9
9 4
2 8
REMOTE
CONTROLLER
RC–ZAS02
m
9 9
9 9

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Summary of Contents for Aiwa Z-L520

  • Page 1 CX–ZL520 SX–ZL520 RC–ZAS02 • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" Z-L520 (EZ,K,U), (S/M Code No. 09-011-439-4T2). • If requiring information about the CD mechanism, see Service Manual of BZG-5, (S/M Code No. 09-00C-353-3N2). u163 S/M Code No. 09-012-439-4R2...

  • Page 2: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 <FM tuner section> <Cassette deck section> Tuning range 87.5 MHz to 108 MHz Track format 4 tracks, 2 channels stereo Usable sensitivity (IHF) 13.2 dBf Frequency response 50 Hz – 12500 Hz Antenna terminals 75 ohms (unbalanced) Recording system AC bias...

  • Page 3: Protection Of Eyes From Laser Beam During Servicing

    http://www.xiaoyu163.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING 3 7 63 1515 0 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

    http://www.xiaoyu163.com NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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

    http://www.xiaoyu163.com ELECTRICAL MAIN PARTS LIST 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-A12-317-080 C-CAP,U 0.1-50 Z F 87-A12-317-080 C-CAP,U 0.1-50 Z F 8B-MA5-651-010 C-IC,LC876564V-5T64 87-A12-317-080 C-CAP,U 0.1-50 Z F 87-A21-419-040 C-IC,NJM14558MD-TE2 87-A12-317-080 C-CAP,U 0.1-50 Z F...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C228 87-A12-317-080 C-CAP,U 0.1-50 Z F C771 87-A12-062-080 CAP,E 100-10 SMG C229 87-012-287-080 C-CAP,U 0.015-25 F C772 87-012-286-080 CAP, U 0.01-25 C230 87-012-287-080 C-CAP,U 0.015-25 F C779...
  • Page 8 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C913 87-012-286-080 C-CAP, U 0.01-25<U> L902 88-ZA1-602-110 COIL,FM-RF-U2 2G<U> C914 87-012-166-080 C-CAP,U 4P-50 C CH<U> L903 88-ZA1-601-010 COIL,FM-RF-U1 2G<U> C915 87-012-174-080 C-CAP,U 12P-50 J CH<U> L904 87-005-847-080 COIL,2.2UH(CECS)<U>...
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C310 87-010-759-080 C-CAP,U, 0.1-25F S828 87-A90-095-080 SW,TACT EVQ11G04M C311 87-010-405-040 CAP,E 10-50 S829 87-A90-095-080 SW,TACT EVQ11G04M C411 87-012-157-080 C-CAP,S 330P-50 CH S830 87-A90-095-080 SW,TACT EVQ11G04M C412...

  • Page 10: Transistor Illustration

    http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 11 http://www.xiaoyu163.com WIRING – 1 (MAIN : U) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 11 – http://www.xiaoyu163.com...
  • Page 12 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 1 (MAIN 1 / 2 : AMP SECTION : U) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...
  • Page 13 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 2 (MAIN 2 / 2 : TUNER SECTION : U) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...
  • Page 14 http://www.xiaoyu163.com WIRING – 2 (MAIN : EZ, K) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 14 – http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 3 (MAIN 1 / 2 : AMP SECTION : EZ , K) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...
  • Page 16 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 4 (MAIN 2 / 2 : TUNER SECTION : EZ , K) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...
  • Page 17 http://www.xiaoyu163.com WIRING – 3 (FRONT) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 17 – http://www.xiaoyu163.com...
  • Page 18 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 5 (FRONT / DECK) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 18 – http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com WIRING – 4 (KEY CD) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 19 – http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 6 (KEY CD) 3 7 63 1515 0 L 13942296513 u163 – 20 – http://www.xiaoyu163.com...
  • Page 21 http://www.xiaoyu163.com WIRING – 5 (PT : U) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 21 – http://www.xiaoyu163.com...
  • Page 22 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 7 (PT : U) 3 7 63 1515 0 L 13942296513 u163 – 22 – http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com WIRING – 6 (PT : EZ, K) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 23 – http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 8 (PT : EZ , K) 3 7 63 1515 0 L 13942296513 u163 – 24 – http://www.xiaoyu163.com...
  • Page 25 http://www.xiaoyu163.com WIRING – 7 (DECK) 3 7 6 3 1 5 1 5 0 TO FRONT C. B CN104 (FFC104) F DECK C . B 11 9 7 5 3 1 10 8 6 4 2 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...
  • Page 26 http://www.xiaoyu163.com IC DESCRIPTION IC, LC876564V-5T64 3 7 63 1515 0 Description Pin No. Pin Name M-CLK Common serial clock. M-DATA Common serial data. TU-ON Tuner supply control. H: ON. O-PLL-CE Tuner PLL IC chip enable. CD dish LED5. L: ON. BIAS Recording bias control.
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 Description Pin No. Pin Name P24/ECO FL segment P24 output/ECO setting switching input. H: ECO mode off. 60 ~ 63 P23 ~ P20 FL segment P23 ~ P20 output. P19/CST2 FL segment P19 output/Deck 2 cassette detection. L: YES. FL segment P18 output.
  • Page 28 http://www.xiaoyu163.com IC BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 28 – http://www.xiaoyu163.com...
  • Page 29 http://www.xiaoyu163.com FL (BJ823GNK) GRID ASSIGNMENT & PIN CONNECTION & ANODE CONNECTION GRID ASSIGNMENT PIN CONNECTION 3 7 6 3 1 5 1 5 0 ANODE CONNECTION 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...
  • Page 30 http://www.xiaoyu163.com ADJUSTMENT < TUNER / DECK / FRONT > < TUNER SECTION > 3 7 63 1515 0 1. Clock Frequency Check 9. LW Tracking Adjustment<EZ,K> Settings : • Test point : TP2 (CLK) Settings : • Test point : TP8 (Lch), TP9 (Rch) Method : Set to AM 1710 kHz<U>...
  • Page 31 http://www.xiaoyu163.com < DECK SECTION > 3 7 63 1515 0 10. Tape Speed Adjustment (DECK 2) 15. REC/PB Sensitivity Check (DECK 2) Settings : • Test tape : TTA–100 Settings : • Test tape : TTA–602 • Test point : TP8(Lch), TP9(Rch) •...

  • Page 32: Cd Test Mode

    http://www.xiaoyu163.com CD TEST MODE 3 7 63 1515 0 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, “TEST” appears on the display. 2. How to Cancel CD Test Mode Press the POWER button or remove the AC plug.
  • Page 33 http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 33 – http://www.xiaoyu163.com...

  • Page 34: Mechanical Parts List

    HLDR,PWB PT 6 8B-MA5-051-010 WINDOW,DISP U A5<U> 38 88-MA1-208-210 JOINT,CABI 7 87-NF4-216-010 HLDR,LOCK 1 39 8B-MA5-012-010 CABI,REAR K A5<K,EZ> 8 87-B00-002-010 BADGE,AIWA 30 ABS SIL 39 8B-MA5-010-010 CABI,REAR U A5<U> 9 87-NF8-220-010 DMPR,150 40 8B-MA3-202-010 HLDR,HT-SINK<U> 10 86-NF9-224-010 SPR-C,LOCK 41 87-064-185-010...
  • Page 35 http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 TERMINAL, TERMINAL,LB1 IC, EW732 1 3 9 4 2 2 9 6 5 1 3 IC, EW732 w w w u 1 6 3 –...

  • Page 36: Tape Mechanism Parts List

    http://www.xiaoyu163.com TAPE MECHANISM PARTS LIST 1 / 1 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 8Z-ZM3-227-010 BELT,MAIN M3 8Z-ZM3-233-010 SPR-T,BRG M3 8Z-ZM3-235-010 BELT,MAIN L 84-ZM2-227-310 SPR-C,AZIMUTH 8Z-ZM1-235-010 PULLEY,MOT 87-A90-403-110 HEAD,RPH MS15R 87-045-347-010 MOT,SHU2L 70 87-A90-404-010...

  • Page 37: General Speaker Disassembly Instructions (For Reference)

    http://www.xiaoyu163.com GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) 3 7 63 1515 0 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.

  • Page 38: Accessories / Package List

    3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION 1 8B-MSF-001-010 PANEL,DUCT 2 8B-MSG-002-010 GRILLE,FRAME ASSY 3 8A-NSJ-006-010 BADGE,AIWA S35 4 8B-MSG-612-010 CORD,SPKR 5 8B-MSF-602-010 SPKR,W 160 30/4<YUSC> 6 8B-MSF-606-010 SPKR,W 160 25/4<YSC> 7 8B-MSF-604-010 SPKR,TW 60 8 83-MSE-605-010...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 2000075 9630472 0251431 Printed in Singapore http://www.xiaoyu163.com...

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