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CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
DANGER
DANGER
DANGER
DANGER
DANGER
Invisible laser radiation when open and interlocks failed or defeated. AVOID DIRECT EXPOSURE TO BEAM.
Invisible laser radiation when open and interlocks failed or defeated. AVOID DIRECT EXPOSURE TO BEAM.
Invisible laser radiation when open and interlocks failed or defeated. AVOID DIRECT EXPOSURE TO BEAM.
Invisible laser radiation when open and interlocks failed or defeated. AVOID DIRECT EXPOSURE TO BEAM.
Invisible laser radiation when open and interlocks failed or defeated. AVOID DIRECT EXPOSURE TO BEAM.
GEFAHR
GEFAHR
GEFAHR
GEFAHR
GEFAHR
Unsichtbare Laser-Strahlung wenn Interlock (Blockierung) funktionsuntüchtig oder abgeschaltet.
Unsichtbare Laser-Strahlung wenn Interlock (Blockierung) funktionsuntüchtig oder abgeschaltet.
Unsichtbare Laser-Strahlung wenn Interlock (Blockierung) funktionsuntüchtig oder abgeschaltet.
Unsichtbare Laser-Strahlung wenn Interlock (Blockierung) funktionsuntüchtig oder abgeschaltet.
Unsichtbare Laser-Strahlung wenn Interlock (Blockierung) funktionsuntüchtig oder abgeschaltet.
UNMITTELBAREN KONTAKT MIT DEM STRAHL UNBEDIGT VERMEIDEN.
UNMITTELBAREN KONTAKT MIT DEM STRAHL UNBEDIGT VERMEIDEN.
UNMITTELBAREN KONTAKT MIT DEM STRAHL UNBEDIGT VERMEIDEN.
UNMITTELBAREN KONTAKT MIT DEM STRAHL UNBEDIGT VERMEIDEN.
UNMITTELBAREN KONTAKT MIT DEM STRAHL UNBEDIGT VERMEIDEN.
DANGER
DANGER
DANGER
DANGER
DANGER
Faire très attention aux radiations émises par le faisceau laser invisible au défaillance du verrouillage.
Faire très attention aux radiations émises par le faisceau laser invisible au défaillance du verrouillage.
Faire très attention aux radiations émises par le faisceau laser invisible au défaillance du verrouillage.
Faire très attention aux radiations émises par le faisceau laser invisible au défaillance du verrouillage.
Faire très attention aux radiations émises par le faisceau laser invisible au défaillance du verrouillage.
NE JAMAIS S'EXPOSER DIRECTEMENT AU FAISCEAU.
NE JAMAIS S'EXPOSER DIRECTEMENT AU FAISCEAU.
NE JAMAIS S'EXPOSER DIRECTEMENT AU FAISCEAU.
NE JAMAIS S'EXPOSER DIRECTEMENT AU FAISCEAU.
NE JAMAIS S'EXPOSER DIRECTEMENT AU FAISCEAU.
VARNING
VARNING
VARNING
VARNING
VARNING
När apparaten öppnats och skyddsanordningen felar eller satts ur funktion förekommer osynlig laserstrålning.
När apparaten öppnats och skyddsanordningen felar eller satts ur funktion förekommer osynlig laserstrålning.
När apparaten öppnats och skyddsanordningen felar eller satts ur funktion förekommer osynlig laserstrålning.
När apparaten öppnats och skyddsanordningen felar eller satts ur funktion förekommer osynlig laserstrålning.
När apparaten öppnats och skyddsanordningen felar eller satts ur funktion förekommer osynlig laserstrålning.
UNDVIK DIREKT BESTRÅLNING.
UNDVIK DIREKT BESTRÅLNING.
UNDVIK DIREKT BESTRÅLNING.
UNDVIK DIREKT BESTRÅLNING.
UNDVIK DIREKT BESTRÅLNING.
ADVARSEL
ADVARSEL
ADVARSEL
ADVARSEL
ADVARSEL
Ñår apparatet åbnes og beskyttelsesanordningen ikke virker eller sættes un af funktion, forekommer der usynlig laserstråling.
Ñår apparatet åbnes og beskyttelsesanordningen ikke virker eller sættes un af funktion, forekommer der usynlig laserstråling.
Ñår apparatet åbnes og beskyttelsesanordningen ikke virker eller sættes un af funktion, forekommer der usynlig laserstråling.
Ñår apparatet åbnes og beskyttelsesanordningen ikke virker eller sættes un af funktion, forekommer der usynlig laserstråling.
Ñår apparatet åbnes og beskyttelsesanordningen ikke virker eller sættes un af funktion, forekommer der usynlig laserstråling.
UNDGÅ DIREKTE BESTRÅLING.
UNDGÅ DIREKTE BESTRÅLING.
UNDGÅ DIREKTE BESTRÅLING.
UNDGÅ DIREKTE BESTRÅLING.
UNDGÅ DIREKTE BESTRÅLING.
ADVARSEL
ADVARSEL
ADVARSEL
ADVARSEL
ADVARSEL
Når denne delen er apen som følge av at låsen er utkoplet eller ikke fungerer, eksisterer det usynlig laserstråling.
Når denne delen er apen som følge av at låsen er utkoplet eller ikke fungerer, eksisterer det usynlig laserstråling.
Når denne delen er apen som følge av at låsen er utkoplet eller ikke fungerer, eksisterer det usynlig laserstråling.
Når denne delen er apen som følge av at låsen er utkoplet eller ikke fungerer, eksisterer det usynlig laserstråling.
Når denne delen er apen som følge av at låsen er utkoplet eller ikke fungerer, eksisterer det usynlig laserstråling.
UNNGÅ Å BLI UTSATT FOR DIREKTE BESTRÅLING!
UNNGÅ Å BLI UTSATT FOR DIREKTE BESTRÅLING!
UNNGÅ Å BLI UTSATT FOR DIREKTE BESTRÅLING!
UNNGÅ Å BLI UTSATT FOR DIREKTE BESTRÅLING!
UNNGÅ Å BLI UTSATT FOR DIREKTE BESTRÅLING!
VARIOITS
VARIOITS
VARIOITS
VARIOITS
VARIOITS
Laite lähettää näkymätöntä lasersäteilyä, kun se avataan ja kun sisäiset turvalukot eivät toimi.
Laite lähettää näkymätöntä lasersäteilyä, kun se avataan ja kun sisäiset turvalukot eivät toimi.
Laite lähettää näkymätöntä lasersäteilyä, kun se avataan ja kun sisäiset turvalukot eivät toimi.
Laite lähettää näkymätöntä lasersäteilyä, kun se avataan ja kun sisäiset turvalukot eivät toimi.
Laite lähettää näkymätöntä lasersäteilyä, kun se avataan ja kun sisäiset turvalukot eivät toimi.
VARO JOUTUMASTA ALTTIIKSI SÄTEILYLLE.
VARO JOUTUMASTA ALTTIIKSI SÄTEILYLLE.
VARO JOUTUMASTA ALTTIIKSI SÄTEILYLLE.
VARO JOUTUMASTA ALTTIIKSI SÄTEILYLLE.
VARO JOUTUMASTA ALTTIIKSI SÄTEILYLLE.
SPECIFICATIONS ..................................................................................................................................................... 3
SERVICE POINTS ..................................................................................................................................................... 4
ADJUSTMENTS ......................................................................................................................................................... 10
WIRING DIAGRAMS .................................................................................................................................................. 11
PRINTED WIRING BOARDS .................................................................................................................................... 14
BLOCK DIAGRAM ..................................................................................................................................................... 25
CIRCUIT DIAGRAM ................................................................................................................................................... 29
EXPLODED VIEW ...................................................................................................................................................... 53
REPLACEMENT PARTS LIST .................................................................................................................................. 56
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MINI COMPONENT HI-FI SYSTEM
MINI COMPONENT HI-FI SYSTEM
MINI COMPONENT HI-FI SYSTEM
MINI COMPONENT HI-FI SYSTEM
MINI COMPONENT HI-FI SYSTEM
September 2000
September 2000
September 2000
September 2000
September 2000
CD MECHANISM
MD MECHANISM
CONTENTS
CONTENTS
CONTENTS
CONTENTS
CONTENTS
HIT
HITA A A A A CHI CONSUMER PR
HIT
CHI CONSUMER PRODUCTS (S)
CHI CONSUMER PR
CHI CONSUMER PR
HIT
HIT
CHI CONSUMER PR
SM0101
AX-F300/HMD-R50
AX-F300/HMD-R50
AX-F300/HMD-R50
AX-F300/HMD-R50
AX-F300/HMD-R50
[UC, E, E(BS), W, W(UN)]
ODUCTS (S)
ODUCTS (S)
ODUCTS (S)
ODUCTS (S)
CDV300DW
MDM-99X

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Summary of Contents for Hitachi AX-F300

  • Page 1: Table Of Contents

    SM0101 AX-F300/HMD-R50 AX-F300/HMD-R50 AX-F300/HMD-R50 AX-F300/HMD-R50 AX-F300/HMD-R50 [UC, E, E(BS), W, W(UN)] CD MECHANISM CDV300DW MD MECHANISM MDM-99X CAUTION CAUTION CAUTION CAUTION CAUTION DANGER DANGER DANGER DANGER DANGER Invisible laser radiation when open and interlocks failed or defeated. AVOID DIRECT EXPOSURE TO BEAM.
  • Page 2 The following precautions should be observed when servicing. 1. Since many parts in the unit have special safety-related characteristics, always use genuine Hitachi’s replacement parts. Especially critical parts in the power circuit block should not be replaced with other makers. Critical parts are marked with in the circuit diagram and printed wiring board.
  • Page 3: Specifications

    AX-F300 SPECI.ICATIONS • AM-.M TUNER AMPLI.IER (HTA-R100) UC (FM:87.5~108.0MHz(100kHz step) AM:520~1710kHz(10kHz step)) Reception frequency band: E,EBS (FM:87.50~108.00MHz(50kHz step) MW:522~1611kHz(9kHz step) LW:153~281kHz(1kHz step)) W (FM:87.50~108.00MHz(50kHz step) AM:522~1611kHz(9kHz step) 520~1710kHz(10kHz step)) WUN (FM:76.00~108.00MHz(50kHz step) AM:522~1629kHz(9kHz step) 520~1710kHz(10kHz step)) Rated output power: 40 W + 40 W (6W/ohms, 1kHz, T.H.D. 10%)
  • Page 4: Service Points

    AX-F300 SERVICE POINTS • AM-.M TUNER AMPLI.IER (HTA-R100) 1. Removal of Cover (1) Remove 2 screws from both sides. (2) Remove 5 screws from the rear plate. 2. Removal of .ront Panel (1) Remove 4 screws from the bottom side of the front panel.
  • Page 5 AX-F300 3. Removal of Rear Panel (1) Remove 9 screws from the rear panel. (2) Remove the connector 4. Removal of .ront P. W. Board (1) Remove 2 screws and then the tone P . W. board. (2) Remove the volume knob assy, remove the nut and remove the volume P . W. board.
  • Page 6 AX-F300 • CD CHANGER (DA-R100) 1. Removal of Cover (1) Remove 2 screws from both sides. (2) Remove 3 screws from the rear panel. 2. Removal of .ront Panel (1) Remove 2 screws from both sides. (2) Remove 3 screws from the bottom side of the front panel.
  • Page 7 AX-F300 4. Removal of CD Mechanical-Unit Assembly, Main P. W. Board and Motor P. W. Board (1) Remove one each of screws from the main P . W. board on the side. (2) Remove 2 screws from the top side of the mechanical unit.
  • Page 8 AX-F300 • MINI DISC RECORDER (HMD-R50) 1. Removal of Cover (1) Remove 2 screws from both sides. (2) Remove 6 screws from the rear panel. 2. Removal of .ront Panel (1) Remove 2 screws from both sides. (2) Remove 4 screws from the bottom side of the front panel.
  • Page 9 AX-F300 4. Removal of MD Mechanical-Unit Assembly (1) Remove 4 screws (2) Remove the flat cable from the main P . W. board. . L A T C A B L E I/O P. W. Board 5. Removal of Main P. W. Board (1) Lift up the I/O P.
  • Page 10: Adjustments

    AX-F300 ADJUSTMENTS Measuring Instruments Necessar y for Adjustments • DC voltmeter • Screwdrivers for adjustments Before adjustments, perform the following setting in the receiver section (HTA-R100). Note: Making adjustments without performing the following setting may result in damage of power transistors.
  • Page 11: Wiring Diagrams

    AX-F300 WIRING DIAGRAMS • AM-FM TUNER AMPLIFIER (HTA-R100) – 11 –...
  • Page 12 AX-F300 • CD CHANGER (DA-R100) (PINK) – 12 –...
  • Page 13 AX-F300 • MINI DISC RECORDER (HMD-R50) AC CORD MAIN PWB I/O PWB PG001 B to B PG301 CN301 PG002 CN501A RED WHT PT PWB CN101 PG101 CN401 CN701B #073 #W201 28P FFC CABLE CN1501 MD MECHA UNIT FL PWB CN701A...
  • Page 14: Printed Wiring Boards

    AX-F300 PRINTED WIRING BOARDS • AM-FM TUNER AMPLIFIER (HTA-R100) MAIN PWB Component Side – 14 –...
  • Page 15 AX-F300 Soldering Side – 15 –...
  • Page 16 AX-F300 PRE-AMP PWB Component Side Soldering Side PT PWB Component Side Soldering Side – 16 –...
  • Page 17 AX-F300 SP PWB Component Side Soldering Side TONE PWB Component Side Soldering Side VOL PWB Component Side Soldering Side – 17 –...
  • Page 18 AX-F300 DISPLAY PWB Soldering Side Component Side TU PWB Soldering Side Component Side – 18 –...
  • Page 19 AX-F300 • CD CHANGER (DA-R100) MAIN PWB Soldering Side Component Side FL PWB Soldering Side Component Side – 19 –...
  • Page 20 AX-F300 MONITOR PWB Soldering Side Component Side PT PWB Component Side Soldering Side – 20 –...
  • Page 21 AX-F300 • MINI DISC RECORDER (HMD-R50) MAIN PWB Component Side – 21 –...
  • Page 22 AX-F300 Soldering Side – 22 –...
  • Page 23 AX-F300 DISPLA Y PWB Component Side Soldering Side – 23 –...
  • Page 24 AX-F300 I/O PWB Component Side Soldering Side POWER PWB Component Side Soldering Side Component Side Soldering Side – 24 –...
  • Page 25: Block Diagram

    AX-F300 BLOCK DIAGRAM • AM-.M TUNER AMPLI.IER (HTA-R100) – 25 –...
  • Page 26 AX-F300 • CD CHANGER (DA-R100) – 26 –...
  • Page 27 AX-F300 • MINI DISC RECORDER (HMD-R50) – 27 –...
  • Page 28 AX-F300 – 28 –...
  • Page 37: Exploded View

    AX-F300 EXPLODED VIEW • AM-FM TUNER AMPLIFIER (HTA-R100) – 53 –...
  • Page 38 AX-F300 • CD CHANGER (DA-R100) EXPLODED VIEW – 54 –...
  • Page 39 AX-F300 • MINI DISC RECORDER (HMD-R50) EXPLODED VIEW – 55 –...
  • Page 40: Replacement Parts List

    REPLACEMENT PARTS LIST PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. ABBREVIATIONS Capacitors ..... CK45: Disk Capacitor, CK73: Chip Capacitor (E-12 series), CK14:Axial Capacitor, CE:Electrolytic, CQ:Polyester Film Capacitor, CC73:Chip Capacitor (E-24 series) Resistors....
  • Page 41 SYMBOL PART NO. DESCRIPTION SYMBOL PART NO. DESCRIPTION C352 0893131R CHIP CAP 39B 220PF J 50V R112 0790031R CHIP RES RNC 1/16W 330-J C353 0893131R CHIP CAP 39B 220PF J 50V R113 0790028R CHIP RES RNC 1/16W 220-J C354 0893239R CHIP CAP 39F 10000PF Z 50V R114 0790043R...
  • Page 42 SYMBOL PART NO. DESCRIPTION SYMBOL PART NO. DESCRIPTION R605 0790038R CHIP RES RNC 1/16W 1.2K-J (E, EBS) Q004 2325691R TRS. CHIP 2SC2412KT146R R606 0196075R CHIP RES 1/16W 2K-J (E, EBS) Q005 CA00661R TRS. KTA1267GR(AT) R606 0790059R CHIP RES RNC 1/16W 47K (UC) Q101 CA00291R TRS DTA114EKT146...
  • Page 43 SYMBOL PART NO. DESCRIPTION SYMBOL PART NO. DESCRIPTION L502 2227362 TRAP COIL 3UH CN201B ED00156 18P PIN SOCKET (TKC-M18P-A1) T201 BJ00252 AM IFT COIL CN301 2909289L 10P PH-SAN CONN L=220MM T203 BJ00411 FM MPX LPF. [FOR E, E(BS)] CN302 2909231L 8P PH SAN CONN L=240MM T204 BJ00411...
  • Page 44 Hitachi, Ltd. Tokyo, Japan International Sales Division THE HITACHI ATAG O BUILDING No. 15 –12 Nishi Shinbashi, 2 – Chome, Minalo – Ku, Tokyo 105-8430, Japan. Tel: 03 35022111 HITACHI HOME ELECTRONICS HITACHI HOME ELECTRONICS (EUROPE) LTD. (HELLAS) S. A.

This manual is also suitable for:

Hmd-r50