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Sanyo MCD-ZX250F Service Manual

Cd portable radio cassette recorder
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Service Manual
CONTENTS
Laser beam safety precaution .......................................... 1
IC Block Diagram & Description ....................................... 1,9
Tuner Adjustments ........................................................... 2
Wiring Connection ........................................................... 3
Exploded View (Cabinet & Chassis) ................................ 4
Parts List .......................................................................... 6
Schematic Diagram .......................................................... 11
Wiring Diagram ............................................................... 16
Block Diagram .................................................................. rear
CD Portable Radio
Cassette Recorder
FILE NO.
MCD-ZX250F(BL)
(XE)
MCD-ZX250F(WH)
(XE)
MCD-ZX250F
(UK)
PRODUCT CODE No.
164 128 02 250F(BL)/XE
164 128 13 250F(WH)/XE
164 128 01 250F/UK
SM
REFERENCE No.
5810611

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  Summary of Contents for Sanyo MCD-ZX250F

  • Page 1: Table Of Contents

    FILE NO. CD Portable Radio MCD-ZX250F(BL) Service Manual Cassette Recorder (XE) MCD-ZX250F(WH) (XE) MCD-ZX250F (UK) PRODUCT CODE No. CONTENTS 164 128 02 250F(BL)/XE 164 128 13 250F(WH)/XE 164 128 01 250F/UK Laser beam safety precaution .......... 1 IC Block Diagram & Description ........1,9 Tuner Adjustments ............
  • Page 2: Laser Beam Safety Precaution

    LASER BEAM SAFETY PRECAUTION • Pickup that emits a laser beam is used on this CD section. CAUTION : USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. CLASS 1 LASER PRODUCT CAUTION-INVISIBLE LASER RADIATION WHEN OPEN AND LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT...
  • Page 3: Tuner Adjustments

    TUNER ADJUSTMENTS Use a plastic screw driver for adjustments. Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter. Set of unit Supply voltage : DC 12.0V Speaker impedance : 8 ohms Standard output : 50 mW Function switch : RADIO a.
  • Page 4: Wiring Connection

    WIRING CONNECTION This is a basic wiring connection. - 3 -...
  • Page 5: Exploded View(Cabinet & Chassis)

    EXPLODED VIEW(CABINET & CHASSIS) : Not available as service parts. - 4 - - 5 -...
  • Page 6: Parts List

    PARTS LIST PARTS LIST REF.NO. PART NO. DESCRIPTION MAIN P.W.BOARD ASSY 645 023 6617 SCREW ST 3X10, REF.NO. PART NO. DESCRIPTION TOP CAB TO BACK CAB-PB PRODUCT SAFETY NOTICE 614 331 2475 ASSY,PWB,MAIN(Only initial) 645 070 4819 SCREW 3X25, BPF101 645 055 6937 BAND PASS FILTER,88-108MHZ EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING.
  • Page 7 IC BLOCK DIAGRAM & DESCRIPTION PARTS LIST REF.NO. PART NO. DESCRIPTION IC903 LA6541 (CD Driver) IC101 LA1824 (Tuner) T0801 645 027 0307 BIAS COIL, AC BIAS 3630-BLACK,10MM Vref VIN4 VIN3 VR301 645 042 0085 ROTARY VR,50K 645 042 0344 CONTACT PIN,FM ANT,1MM 11k Ω...
  • Page 8: Schematic Diagram

    SCHEMATIC DIAGRAM (TUNER) IC BLOCK DIAGRAM & DESCRIPTION IC902 IC78601RE (ANALOG SIGNAL PROCESSOR) Pin Name Function PIN NAME Function *SEG6 The segment output (6) terminal. (The pull-up resister internal ) It is junction in unused time, 0 V defect detecting signal (DEF) input DEF1 terminal *SEG5...
  • Page 9 SCHEMATIC DIAGRAM (MAIN) This is a basic schematic diagram. - 12 - - 13 -...
  • Page 10 SCHEMATIC DIAGRAM (CD) This is a basic schematic diagram. - 14 - - 15 -...
  • Page 11: Wiring Diagram

    WIRING DIAGRAM (MAIN , POWER SUPPLY & CONTROL) POWER SUPPLY MAIN CONTROL This is a basic wiring diagram. - 16 - - 17 -...
  • Page 12: Block Diagram

    WIRING DIAGRAM (CD ) BLOCK DIAGRAM This is a basic block diagram. SANYO Electric Co., Ltd. Osaka, Japan This is a basic wiring diagram. Jun./ '04 Printed in Japan - 18 - - 19 -...

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