JVC AX-142BK Serviceanleitung
Inhaltsverzeichnis
Quicklinks
SERVICE
STEREO
o
Contents
Safety Precautions
Specifications
Instruction
Book
Disassembly Procedures
Block Diagram
Internal
Block Diagram
JVC
INTEGRATED
AX-142BK
1-2
1-3
1-10
1-11
of ICs
1-12
MANUAL
AMPLIFIER
Connection
Diagram
Printed
Circuit
Board
Schematic Diagram
Parts
List
Insertion
Insertion
Insertion
Insertion
No.
20261
Apr.,
1991
Inhaltsverzeichnis
Verwandte Anleitungen für JVC AX-142BK
Inhaltszusammenfassung für JVC AX-142BK
- Seite 1 SERVICE MANUAL STEREO INTEGRATED AMPLIFIER AX-142BK Contents Safety Precautions Connection Diagram Insertion Specifications Printed Circuit Board Insertion Instruction Book Schematic Diagram Insertion Parts List Disassembly Procedures 1-10 Insertion Block Diagram 1-11 Internal Block Diagram of ICs 1-12 20261 Apr., 1991...
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Seite 2: Safety Precautions
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. Replacement parts must Services should be performed be identical... -
Seite 3: Power Specifications
CARACTERISTIQUES TECHNISCHE DATEN SPECIFICATIONS TECHNIQUES 30 Watt pro Kenai. eff. Puissance de sortie 30 watts par canal. min. Ausgangsleistung 30 watts per channel. Output Power min., an 8 Ohm. bei RMS. å 8 ohmså 1 kHz min. RMS. into 8 Ohms 1 kHz (DIN). - Seite 4 CONNECTION DIAGRAM ANSCHLUSSDIAGRAMM DIAGRAMME RACCORDEMENTS AANSLUITINGSDIAGRAM DIAGRAMA CONEXIONES ANSLUTNINGSSCHEMA PHONO terminals Phono-Buchsen (PHONO) Bornes de platine tourne.disque (PHONO) CD/VIDEO SOUND.Buchsen (CD/VIDEO CD/V IDEO SOUND terminals Bornes de disque aud.onumérique et son SOUND) T LINER terminals vidéo (CD/VIDEO SOUND) Tuner-Buchsen (TUNER) TAPE terminals Bornes de syntomseur...
- Seite 5 ooooe Fig. 1 Abb. Afb. LEFT RIGHT Draaitafelaansluitingen (PHONO) Terminates PHONO Skivspelaringångar PHONO CD/ Videogeluid aansluitingen (CD/VIDEO Ingångar for CD/videoIjud CD/VIDEO Terminales CD/VIDEO SOUND SOUND) Terminales TUNER SOUND Tuneraansluitingen (TUNER) Terminates TAPE Tuneringångar TUNER Kassettddcksingångar TAPE Tape-aansluitingen (TAPE) Terminales SPEAKERS Luidsprekeraansluitingen (SPEAKERS) Conecte...
- Seite 6 FRONT PANEL FRONTPLATTE PANNEAU AVANT VOORPANEEL PANEL DELANTERO FRAMSIDA O POWER Netz (POWER) Interrupteur d'alimentation (POWER) Press to turn the power on ( Em taste der Netzspannung drücken L •enfoncer pour fournir Calimentation O POWER INDICATOR Lights when the power button is ON.
- Seite 7 Fig. 2 Abb. Afb. O Netspanning(POWER) O AlimentaciOn (POWER) O Strömställare(POWER) netspanning Presiönelo para encender la unidad Tryck in ( -z ) fÖr att sitta på förstärkaren. Druk toets in om schakelen O Driftindikator (POWERINDICATOR) O Indiedor de alimentaci6n O Net»annintindikator (POWER INDICATOR) Lyser nar strömställaren är i...
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Seite 8: Bedienung
OPERATION BEDIENUNG FONCTIONNEMENT Listening to broadcasts Wiedergabe von Radiosendungen Ecoute d'åmissions Connect a tuner to the TUNER terminals Etnen Tuner an die T UNER•Buchsen an der Raccorder syntoniseur bornes the rear panel. Ruckplatte anschließen. TUNER du panneau arriére. Press POWER button Netzspannung der POWER•Taste... - Seite 9 STÖRUNGSSUCHE TROUBLESHOOTING EN CAS DE DIFFICULTE What opears to be a malfunction may not al• Eine ist nicht immer einen Ce qui wmble au départ etre un mauvais fonc- ways be Erious. zurückzuführen. tionrwment Nest pas toujours trås ørieux. Mark sure first Zuerst überprüfen .
- Seite 10 Disassembly Procedures Removing the Main PC Board 1. Remove the top cover . 2. Remove 2 screws on the PC Board Fig-I 3. Remove the 6 screws on the rear panel shown in Fig -2 0 •üüd Fig -2 4. Removethe 3 screws@ —O and plastic rivet O to set the front panel free . 5.
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Seite 11: Block Diagram
6. Slightly pull the front panel forward to raisethe PCBoardas shownin Fig-4 This portion is locked to the chassis base. Note Care should be taken not to deform the part of the heat-sink indicated by when pulling out the PC Board . Otherwise , it may result in reducing the efficiency of heat dissipaition Fig -4... - Seite 12 Internal Block Diagram TA7317P (IC901) : PROTECTOR Muting IN Muting Regulator rcuit 5678 Power OWOFF I Relay Drive power OWOFF Over Current Schmitt Relay Drive Load S hort IN : Circuit Detector DC Voltage Discharge DC Detect rge IN Substrate STK4141MK2 (IC701) : Power Amplifier ßTK4141MK2...
- Seite 13 € 1 1(19ZOPN OLBEVN...
- Seite 14 MEMO IA 4 (Na20261)
- Seite 15 Connection Diagram Fuse Hol&r TPS-334 AC Outlets E" -083-2 P.CBoard Ass•y Head P.C.BoardAssy Type ENH-083-to Power Transformer Secondary Ass•y Selector Power Transformer Continental Europe L--L--J Power Switch P.CBoard ASSY Australia For Continental Europe, Australia ENH-083-3 Tone Control P.C.Board A Power Transformer Power Transformer P.C.BoardASSY (Na20261)
- Seite 16 Printed Circuit Board - J36t ceoc R259 C707 c-709 C7t3 R7f3 R 723 R7t5 R719 R720 Tl.6A coot R702n— R3S4 ZC806 C8'2 RSOC • 570' (N020261) (Na20261)
- Seite 17 Schematic Diagram UNIVERSAL TYPE ) (AUSTRAL -083 -083 T PS —334 -083-2 •en'es• ENH-CB3 csoz How to Use Schematic Diagrams 5. Parts markedwith A and those in the shadedarea are partsfor safety. indicates the +B line. Be sure to use one with the specified part number. indicates the —B line.
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Seite 18: Inhaltsverzeichnis
PARTS LIST Contents General Exploded View and Parts List Printed Circuit Board Ass'y and Parts List ENH-083C] M ain Amplifier PCBoardAss'y ENH-060ÜEqualizerModule PCBoardAss'y MPS-334 Outlet pc Board Ass'y• Accessories List Packing Materials and Part Numbers (Na20261)2A... -
Seite 19: General Exploded View And Parts List
General Exploded View and Parts List 22000261) - Seite 20 E25348-005 E 1 1298-004 Front Base Window Screen 004234-004 E60912-003 Speed Nut E72142-002 Felt Spacer E72153-001 Indicator Sheet E72353-001 Felt Spacer E73176-001 JVC Mark E72968-001 SBSG3008Z Screw E73193-001 Slide Knob TONE E71269-003 Slide Knob BALANCE E72138-002 Volume Knob Plastic Rivet...
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Seite 21: Printed Circuit Board Ass'y And Parts List
Printed Circuit Board Ass'y and Parts List UENH-083Ü Main Amplifier PC Board Ass'y Note : ENH-0830 varies according to the areas employed. See note (I) when placing an order. J 36. R'29 c902 g, R92' 0903 R9990 E R9Lb— R903t- 090 ' root po•æn... - Seite 22 Diodes Resistors PART NUMBER AREA PART NUMBER AREA 0902 1S2473 ILICON ROHM R351 QRD148J-471S CARBON 0903 1S2473 ICON ROHM R352 GRD148J -471S CARBON 0904 1S2473 ICON ROHM R353 QRD148J-472S CARBON 0951 SLR-54VC50F165 . E.D. ROHM R354 QRD148J-472S CARBON GRD148J-223S CARBON R355 GRDIOJ-223S R35é...
- Seite 23 BENH-060Ü Equalizer Module Others PC Board Ass'y BITE PART NUMBER DESCR AREA Note : ENH-060 CI varies according to the areas employed. E65508-002 USE LABEL E67132-TR80 See note (1) when placing an order. EXG7331-001 CLIP EUT011-092 ERMINAL VIRE E65508-002 E67132-TR80 USE LÄBEL J361 EMNOOTV-'OSB...
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Seite 24: Mps-334
•TPS-344@ AC Outlet pc Board Ass'y Others (Only for Universal Type) BITE PART NUMBER DESCRIP AREA E69425 • 001 135-001 IRCU1t BOARD P301 EMV5101-008B ASSY (MN) JOO' -334 coot Capacitors BITE PART NUMBER DESCR IPTION AREA coot QCZ9018-103 .OIMF CERAMIC Others BITE PART... -
Seite 25: Packing Materials And Part Numbers
Part Numbers Packing Materials Accessories E2071 1 1-001 Packing Pad E302688-012 Envelope E2071 10-001 Packing Pad PK-AX142BKE (E300383-387) Packing Case The Marks for Designated Areas Type Europe NO mark indicates all areas. •••Germany 2-8 (Nu20261) - Seite 26 MEMO (N.20261)1 15...
- Seite 27 VICTOR COMPANY OF JAPAN, LIMITED AUDIO PRODUCTS DIVISION. YAMATO PLANT. 1644. SHIMOTSURUMA. YAMATO-SHI, KANAGAWAXEN, 242, JAPAN (Na20261)