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JVC AX-242BK Service Manual
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JVC AX-242BK Service Manual

JVC AX-242BK Service Manual

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Inhaltsverzeichnis

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Diese Anleitung herunterladen
SERVICE
o fiööö
Contents
Instruction
Book
Block Diagram
JVC
MANUAL
AX-242BK
1-2
1-3
Connection
1-4
Schematic
1-12
1-13
1-14
7-
Diagram
Diagram
Board
AX-242BK
1-14
1-16
Insertion
Insertion
Insertion
No.
20262
Apr.,
1991
Inhaltsverzeichnis
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Verwandte Anleitungen für JVC AX-242BK

Inhaltszusammenfassung für JVC AX-242BK

  • Seite 1: Inhaltsverzeichnis

    AX-242BK SERVICE MANUAL AX-242BK o fiööö Contents Internal Block Diagram of ICs 1-14 Safety Precautions Specifications Connection Diagram 1-16 Instruction Book Insertion Schematic Diagram 1-12 Block Diagram Printed Circuit Board Insertion 1-13 Disassembly Procedures Insertion Parts List Adjustment Procedures 1-14 20262 Apr.,...

  • Seite 2: Safety Precautions

    AX-242BK Safety Precautions 1. The design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer.

  • Seite 3: Specifications

    AX-242BK CARACTERISTIQUES TECHNISCHE DATEN SPECIFICATIONS TECHNIQUES CARACTERISTIQUES D'ENSEMBLE GESAMTCHARAKTERISTIKA OVERALL CHARACTERISTICS Puissance de sortie Ausgangsleistung Output power 50 watts par canal 8 ohms 1 kHz (DIN). 50 Watt pro Kanal bei a Ohm bei I kHz 50 watts per channel into 8 ohms at 1 kHz {DIN).
  • Seite 4 AX-242BK CONNECTION DIAGRAM ANSCHLUSSDIAGRAMM DIAGRAMME RACCORDEMENTS AANSLUITINGSDIAGRAM DIAGRAMA DE CONEXIONES ANSLUTNINGSSCHEMA Erdanschluß (GND) Borne de mise la terre IGNO) terminal Brones de Platine tournedisque• (PHONO) Phono•Buchsen (PHONO) PHONO terminals CO Buchsen Bornes de diSQUe audionomériaue (CD) CD terminals Bornesde syntoniseur (it-JNER)
  • Seite 5 AX-242BK CD player CD-Player ooeoeo Lecteur de disque audionumérique Kompakt diskspeler Tocadiscos compacto CD-spelare 00 00 Fig. 1 Abb. Afb. Tape Speakers Tuner Turntable Kassettendeck Lau tsprecher Tuner Plattensoieler Syntoniseur Platine d •enregistrement Enceintes acoustiques Tourne•disque Cassettedec Luidsprekers Tuner Draaitafel...

  • Seite 6: Ched Ac Outlet) Ist Bei Off-Stellung

    AX-242BK Remarques: Hinweise: Notes: Débrancher le cable de l'alimentation lors Netzkabel abziehen beim I. Disconnect the power cord when connect- du raccordement d'une autre unité. AnchluB von Komponenten. ing any component. Beim Anschließen anderer Geräte auf die Lors raccordement appareils, 2.
  • Seite 7 AX-242BK FRONT PANEL FRONTPLATTE PANNEAU AVANT VOORPANEEL PANEL DELANTERO FRAMSIDA O POWER Interrupteur d 'alimentation (POWER) O Netzschalter (POWER) L •enfoncer pour tourmr rali- ON ( Press this button turn ON ( ON ( Diesen Schalter ? um Einschalten des Gersts...
  • Seite 8 AX-242BK oftööö Fig. 2 Abb. Afb. Netschakelaar (POWE R) Conmutador de alimentaciOn (POWER) Strömstanare (POWER) ON ( de schakelaar in deze posi• Para ence nder ei aparato. Tryck för sitta tie voor hct inschakelen van de netspanni ng. ) : Para apagar aparato.
  • Seite 9 AX-242BK O Basses ( BASS) O Baßregler (BASS) O BASS 1m Unrzeigersinn werden die Tieftonfre. Tourner dans le sens des aiguilles d'une Turn clock wise to boost bass response and quenzen verstarkt, gegenden Uhrzeigersinn montre pour auqmenter la réponse des bas...

  • Seite 10: Bedienung

    AX-242BK FONCTIONNEMENT BEDIENUNG OPERATION Wiedergabe E coute d •åmissions Listening to broadcasts Connect a tuner to the TUNER terminals Einen Tuner an die T UNER.Bucnsen an der Raccorder un syntoniseur aux bornes TUN- on the rear panel RLEkplatte anschiießen ER du panneau arriére...

  • Seite 11: Storungssuche

    AX-242BK Enrqistr•ment partir Durc« (TUN• anderen Signalqu.llen TO record from other sources (TUNER. (TUNER). CD.mattenspie1.r (CO. AUX) ER, CD, AUX) AUX) Enforcer ie cornmu!ateur TtJNER. CD ou ALIX Die TunerÄaste ITUNER' drocken. um Radio• Press the Tl JNER, CD or AI_JX button to record...
  • Seite 12 EQUALIZER SOURCE SELECTOR uc 301 PHONO 0107 RIAA MUT ING CONTROL TUNER - 0712 IC751JS2 0753 0764 0701 rape SUPER A PROTECTOR DRIVER 0751.752 0901 POWER AMP TREBLE BASS POWER 0775 R sot LIMITTER 0778 0801&803 SCORCE SELECTOR P TRANSFORMER REGULATbR EQUALIZER POWER...

  • Seite 13: Disassembly Procedures

    AX-242BK Disassembly Procedures Removing the Top Cover 1. Remove the 6 screws . 2. Remove the top cover by lifting up its rear section . Removing the Front Panel 1. Remove the top cover . 2. Removethe 3 plastic rivets @ and the 3 screws O on the lower part of the front panel .

  • Seite 14: Adjustment Procedures

    AX-242BK Adjustment Procedures Idling Adjustment R774 R773 R751 R752 ENH-126-1 1. Set the volume control to minimum during this adjustment . 2. Turn R751 and R752 fully counterclockwise before switching power on . 3. Always start from cold , and allow at least 10 minutes to warm up before adjustment.
  • Seite 15 AX-242BK (IC751 , IC752) : Super A VC5022 (X, Y) Super-A Drivee Thermal Thermal Compensation Center point Drivee Analog Switch LC7818 (ICIOI) : Description Symbol A1,B1.Ct.D1.E1 input 26—30 E2.02.C2.B2A2 SOURCE 1 output e 25 SOURCE 2 recording OUT 1 Signal output 7.24...
  • Seite 16 Power Cord FW703 ENH-126-3 ENH-126-6 AC Primary PCB Speakers Terminals PCB ENH-126-1 Power Amplifier PCB RTOOi (D Fwm2 @ Fweot Power Transformer Power Switch ENH-126-5 Source Select Switch PCB ENH-126-7 Speakers Selector PCB...
  • Seite 17 I(Z9ZOPN) ----onan-— ygzvz-xv...
  • Seite 18 AX-242BK —MEMO— 1 18(Na20262)
  • Seite 19 61 1(79tOtON) --—oæn--- ygzvz-xv...
  • Seite 20 AX-242BK VICTOR COMPANY OF JAPAN, LIMITED AUDIO PRODUCTS DIVISION, YAMATO PLANT. 1644. SHIMOTSURUMA. YAMATO-SHI. KANAGAWA-KEN. 242. JAPAN (Na20262) 9104-N...

  • Seite 21: Printed Circuit

    AX-242BK Printed Circuit Boards _ w•C3. R760 R75% D .09 R'62 Ä7S9 R9C8 0762 • 0763 076'. EPOOQ Cl'å, EPOO\ Reno •R167 . Ctog R 766 D'21 Clts 2002 [f'6,e. cv02 9304 lilli cgoz D8D3 R722 cgot C9C6 D802 C76B...
  • Seite 22 AX-242BK AX-242BK Diagram Schematic -t -tjÅiVERsAL TYPE) saos (AUSTRAL otos i-1 26} SW ICH '328 c 30 CS 02 0709 '705 J2Sa9 'E02 i cao-l •eos 0755 0760 0776 Q3Ce 0902 26-6 0.022'. • ocr_zFc to Use Schematic Diagrams indicates line.

  • Seite 23: Parts List

    AX-242BK PARTS LIST Contents General Exploded View and Parts List Printed Circuit Board Ass'y and Parts List ENH-126CJ P owerAmplifier PCBoardAss'y MPS-334 fi]AC Outlet pc BoardAss'y Accessories List 2-10 Packing Materials and Part Numbers (Nu20262)2 1...
  • Seite 24 AX-242BK General Exploded View and Parts List 2 2(Nc20262)
  • Seite 25 AX-242BK AX-242BK Parts List Q'ty Description Areas Part Number Part Name Item Q'ty Descri ption Areas Part Number Part Name Item GND Terminal E70078-003 Front Panel Ass'y EFP-AX242BKE Special Screw E73273-001 Front Panel E25657-004 SBSB3008MCP Screw Indicator Sheet E304602-005 SDSB3008M...
  • Seite 26 AX-242BK Printed Circuit Board Ass'y and Parts List Note (1) Diodes PC Board Ass'y Designated Areas •ENH-126 Power Amplifier PC Board Ass'y PART NUMBER RIPT ENH-126@ Universal Type Note : ENH-126 varies according to the areas employed. See note (1) when placing an order.

  • Seite 27: Qezoös6Z68Be

    AX-242BK Resistors Capacitors AREA P AR •r NUMBER AREA PART NUMBER CARBON RI 20 QRD167J-331 MYLAR QFN81HK-153 .015MF C502 FUSIBLE R123 QRZ0077-101 MYLAR QFN81HK-323 .082MF C503 FUSIBLE RI 24 QRZ0077-101 MYLAR GFN81HK-823 .082MF C504 CARBON Rt26 QRD167J-104 MYLAR 300PF C511...
  • Seite 28 AX-242BK Others Resistors BITE TION AREA PART NUMBER PART NUMBER DESCRI AREA R754 QRD167J-10t CARBON E11482-102 BOARD R755 ERT-D2WFL351S THERMISTOR E302267-008 SINK THERMISTOR R756 ERT-D2WFL351S E304769-001 RACKET R757 QRD167U-471 CARBON E304769-002 RACKET CARBON R7S8 QRD167J-471 E70306-001 SINK QRDi67j-S9i E73265-OOI PECiAL...

  • Seite 29: Accessories

    AX-242BY MPS-334Ä AC Outlet pc Board Ass'y Others ( Onåv for Universal DESCR AREA PART NUMBER %5508-002 E6776'-302 RAPPING TERMINAL E67764-402 RAPPING T ERMINA'- RAPPING TERMINAL 764-403 BOARD E69425-003 -334 COOI YKC437V-o Capacitors 1 PTI DESCR BITE .01MF CERAMIC at 29038-103 COOI List Accessories...

  • Seite 30: Part Numbers

    AX-242BK Materials Part Numbers Packing E207113-001 Packing Pad Accessories E300196-047 Envelope E306161-001 Sheet Ass'y E2071 12-001 Packing Pad PK-AX242BKE (300383-386) Packing Case The Marks for Designated Areas Type Europe No mark indicates ail areas. •••••Germany 2-10 (NQ20262)

Inhaltsverzeichnis