Aiwa Z-L700 Service Manual
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Aiwa Z-L700 Service Manual

Aiwa Z-L700 Service Manual

Compact disc stereo cassette receiver
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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
Z-L700
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
Z-L700 (EZ,K), (S/M Code No. 09-003-422-7T2).
• If requiring information about the CD mechanism, see Service Manual of 6ZG-1,
(S/M Code No. 09-001-338-7N2).
Z-L700
BASIC TAPE MECHANISM : 2ZM-3MK2 PR5NM
BASIC CD MECHANISM : 6ZG-1 ZRDM
CD
SPEAKER
CASSEIVER
CX-ZL700
SX-WZL700
S/M Code No. 09-006-422-7R2
EZ,K
REMOTE
CONTROLLER
RC-ZAS12

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Summary of Contents for Aiwa Z-L700

  • Page 1 SX-WZL700 RC-ZAS12 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” Z-L700 (EZ,K), (S/M Code No. 09-003-422-7T2). • If requiring information about the CD mechanism, see Service Manual of 6ZG-1, (S/M Code No. 09-001-338-7N2). S/M Code No. 09-006-422-7R2...

  • Page 2: Specifications

    SPECIFICATIONS <FM tuner section> <Compact disc player section> Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (λ = 780 nm) Usable sensitivity (IHF) 13.2 dBf D-A converter 1 bit dual Antenna terminals 75 ohms (unbalanced) Signal-to-noise ratio 85 dB (1 kHz, 0 dB) Harmonic distortion 0.05 % (1 kHz, 0 dB) <MW tuner section>...

  • 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 87-016-300-080 CAP, ELECT 22-100 87-016-300-080 CAP, ELECT 22-100 8A-MA3-656-010 C-IC,LC876580W-5P55 87-016-300-080 CAP, ELECT 22-100 87-A21-418-010 IC,STK490-340 87-016-300-080 CAP, ELECT 22-100 87-A21-397-010 IC,STK490-070 87-010-263-080 CAP, ELECT 100-10V 87-A21-021-040 C-IC,BU2099FV 87-A20-783-040...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C358 87-010-183-080 C-CAP,S 2700P-50 B C644 87-010-401-080 CAP, ELECT 1-50V C359 87-010-183-080 C-CAP,S 2700P-50 B C671 87-010-322-080 C-CAP,S 100P-50 CH C360 87-010-183-080 C-CAP,S 2700P-50 B C672 87-010-322-080 C-CAP,S 100P-50 CH C370 87-010-196-080 CHIP CAPACITOR,0.1-25...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C940 87-010-197-080 C-CAP,S 0.1-25 KB R117 87-010-805-080 C-CAP,S 1-16 ZF C942 87-010-149-080 C-CAP,S 5P-50 J CH GRM R118 87-010-805-080 C-CAP,S 1-16 ZF C947 87-010-197-080 C-CAP,S 0.1-25 KB R161 87-A00-441-050 RES,270-1/2W J RP C948...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C949 87-012-145-080 CAP, CHIP S 270P CH LED686 87-A40-678-010 LED,SELU1E10CXM BLUE-DEF C950 87-012-145-080 CAP, CHIP S 270P CH LED692 87-A40-678-010 LED,SELU1E10CXM BLUE-DEF C951 87-012-145-080 CAP, CHIP S 270P CH S651 87-A91-624-010 SW,RTRY EC12E1240405-20MM...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C216 87-012-156-080 C-CAP,S 220P-50 VM C.B C217 87-010-260-080 CAP, ELECT 47-25V C218 87-010-260-080 CAP, ELECT 47-25V C219 87-010-198-080 C-CAP,S 0.022-25 KB PT C.B C220 87-010-198-080 C-CAP,S 0.022-25 KB 87-A11-148-080 CAP,TC U 0.1-50 Z F C221...

  • Page 11: 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 E C B...
  • Page 12 WIRING – 1 (MAIN / VM) – 12 –...
  • Page 13 SCHEMATIC DIAGRAM - 1 (MAIN 1/3 / VM) – 13 –...
  • Page 14 SCHEMATIC DIAGRAM - 2 (MAIN 2/3 : DECK / HEAD-1 / HEAD-2) – 14 –...
  • Page 15 SCHEMATIC DIAGRAM - 3 (MAIN 3/3 : TUNER) – 15 –...
  • Page 16 WIRING – 2 (MICON) – 16 –...
  • Page 17 SCHEMATIC DIAGRAM - 4 (MICON / DECK) – 17 –...
  • Page 18 WIRING – 3 (CNTL) – 18 –...
  • Page 19 SCHEMATIC DIAGRAM - 5 (CNT L / KEY CD / DK1 LED / DK2 LED / MIC) – 19 –...
  • Page 20 WIRING – 4 (KEY CD / DK1 LED / DK2 LED / MIC) – 20 –...
  • Page 21 WIRING – 5 (AMP IF) – 21 –...

  • Page 22: Schematic Diagram - 6 (Amp)

    SCHEMATIC DIAGRAM - 6 (AMP) – 22 –...
  • Page 23 WIRING – 6 (PT) – 23 –...

  • Page 24: Schematic Diagram - 7 (Pt)

    SCHEMATIC DIAGRAM - 7 (PT) – 24 –...
  • Page 25 WIRING – 7 (DECK / HEAD-1 / HEAD-2) – 25 –...

  • Page 26: Ic Block Diagram

    IC BLOCK DIAGRAM IC, M65849BFP631D IC, M61506FP IC, BD3876KS2 – 26 –...
  • Page 27 IC, BA7762AFS IC, LA1843 IC, LC72131D IC, BU2092F – 27 –...
  • Page 28 IC, BU2099FV IC, BU9990-03FS IC, BU1920FS – 28 –...
  • Page 29 IC DESCRIPTION IC, LC876580W-5P55 Pin No. Pin Name Description M-CLK Common serial clock. M-DATA Common serial data. M-STB Common serial strobe. PLL-CE Tuner PLL IC chip enable. SR-LCK Shift register IC LATCH clock. RYM-CS RHYTHM IC chip select. POWER Audio power ON/OFF. MUTE System MUTE ON/OFF.
  • Page 30 Pin No. Pin Name Description P27/RHYTHM FL segment P27 output / RHYTHM function detection. "H" : ON (Not used) P26/KEYCON FL segment P26 output / KEYCON function detection. "H" : ON P25/5MODE FL segment P25 output / GEQ 5MODE select. "H" : 5 MODE (Not used) P24/ECO FL segment P24 output / ECO mode detection.
  • Page 31 FL (BJ751GNK) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – 31 –...
  • Page 32 ANODE CONNECTION – 32 –...
  • Page 33 ADJUSTMENT <TUNER / DECK / MICON> < TUNER SECTION > 1. Clock Frequency Check 7. FM VT Check Settings : • Test point : TP2 (CLK) Settings : • Test point : TP1 (VT) Method : Set to MW 1602kHz and check that the test point is Method : Set to FM 108.0MHz and check that the test 2052kHz ±...
  • Page 34 < DECK SECTION > 16. REC/PB Frequency Response Adjustment (DECK 2) 12. Tape Speed Adjustment (DECK 2) Settings : • Test tape : TTA–602 Settings : • Test tape : TTA–100 • Test point : TP5(Lch), TP6(Rch) • Test point : TP5(Lch), TP6(Rch) •...

  • Page 35: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 – 35 –...

  • Page 36: Mechanical Parts List

    60 87-A80-148-010 AC CORD ASSY,E BLK<EZ> 21 8A-MA3-037-010 PANEL ASSY,TRAY 3 60 87-A80-143-010 AC CORD ASSY,E BLK<K> 22 87-B00-002-010 BADGE AIWA 30 ABS S1 61 87-085-185-010 BUSHING, AC CORD (E) 23 87-NF4-216-010 HLDR,LOCK 1 62 87-MA3-062-010 FOOT, H17 24 8A-MA3-093-010...

  • Page 37: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1 / 1 PH(DECK 1) RPH(DECK 2) DECK C.B SOL 2 SOL 1 (DECK 2) (DECK 1) HEAD 1 C.B(DECK 1) HEAD 2 C.B(DECK 2) (DECK 1) (DECK 1) (DECK 2) (DECK 2) – 37 –...

  • Page 38: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 82-ZM3-301-519 CHAS ASSY,M2 36 82-ZM1-236-019 CAPSTAN N 2-41.5 2 82-ZM1-258-110 SPR-T,PINCH L 37 82-ZM1-239-019 CAPSTAN N 2.2-41.7 3 82-ZM1-341-110 LVR ASSY,PINCH L2 38 82-ZM1-322-019 SPR-T,FR60 4 82-ZM1-333-010...

  • Page 39: Speaker Disassembly Instructions

    SPEAKER DISASSEMBLY INSTRUCTIONS 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 Type.2...

  • Page 40: Speaker Parts List

    SPKR,M 120 9 88-MS1-608-010 SPKR, CERAMIC 10 88-NS5-611-010 CORD,SPKR B/L 11 88-MS1-610-010 CORD,SPKR 12 8Z-MS1-601-010 SPKR, W200 13 8A-MS4-010-010 BADGE,AIWA ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8A-MA3-905-010 IB,K (E) M<K> 1 8A-MA3-906-010 IB,EZ (9L) M<EZ>...
  • Page 41 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 9630472 0251431 Printed in Singapore...

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