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Sanyo MCD-Z150F Service Manual

Portable cd/stereo radio cassette recorder
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Service Manual

Specifications

(Cassette Section)
Recording system ........................ AC bias, 4 track stereo
Erasing system.. ........................... Magnet erase
Tape speed ................................. .4.6 cm I sec.
Fast forward and rewind time.. .... .I10 sec. (C-60 tape)
Frequency response ................... .60 - 14,000 Hz (Normal tape)
(CD Section)
Channels ..................................... .2 channels
Wow & Flutter.. ...............
Sampling frequency .................... .44.1 kHz
Quantization ................................ .16 6 bits linear / ch
Pick up light source ...................... Semi-conductor laser
Pick up wave length .................... .79 0 nm
Leaser output ............................... Continuous wave max. 0.6 mW
Specifications subject to change without notice.
Portable CD/Stereo Radio
Cassette Recorder
Undetectable
MCD-Z150F
PRODUCT CODE No.
142 660 04
(Radio Section)
Tuning ranges . . . . . . . . . . . . . FM : 67.5 - 106 MHz
AM
Antennas . . . . . . . . . . . . . . . . . . . . . Built-in ferrite bar and
telescoping rod antennas
(General)
Power output _.............. 2.8W / ch (DIN music)
Speaker . . . . . . . . . . . . . . . . . . . . . . . 10 cm x 2, 8 ohms
Terminal impedance
PHONES . . . . . . . . . . . . . . . . . 32 ohms
Power source . . . . . . . . . . . . . . AC
DC
Dimensions . . . . . . . . . . . . . . . . . 412x158x239mm(WxHxD)
Weight (approx.) . . . . . . . . . . 2.6 kg (without batteries)
REFERENCE No. SM580806
FILE NO.
(XE)
526.5 - 1,606.5 kHz
:
230 V, 50 Hz
12 V, 8 "R14/C" batteries (not supplied)
I

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  Summary of Contents for Sanyo MCD-Z150F

  • Page 1: Specifications

    FILE NO. MCD-Z150F Service Manual Portable CD/Stereo Radio (XE) Cassette Recorder Specifications PRODUCT CODE No. 142 660 04 (Radio Section) (Cassette Section) Tuning ranges ... . . FM : 67.5 - 106 MHz Recording system ......
  • Page 2: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS Pick-up that emits a laser beam is used in this CD player. CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. , NAR A D V A R S E L LASER...
  • Page 3 REMOVAL AND INSTALLATION CD MECHANISM e. CD P.W.BOARD f. OPEN/CLOSE P.W.BOARD g. DISPLAY P.W.BOARD EN/CLOSE P.W.B h. MAIN P.W.BOARD BLOCK...
  • Page 4: Tape Mechanism

    REMOVAL AND INSTALLATION “0” POINT ADJUSTMENT i. TUNER P.W.BOARD SET P6INTER START k. WIRING ‘C-MECHA (HEAD) C-MECHA & MOTOR SPEAKER - R/P SWITCH P.W.B. TAPE MECHANISM...
  • Page 5 REPLACEMENT OF CD MECHANISM Note that the mechanism of the CD player is very delicate. It is very important that the spindle motor (witch rotates the disc), and the sled motor (which cases the disc signals to be tracked), as well as the gear and other components, operate smoothly, without eccentricity.
  • Page 6 REPLACEMENT OF CD MECHANISM c. Replacement and lubrication of the pickup Before replacement of the pickup, be sure to carefully read the section regarding the pickup when the unit is moved or transported. Remove a pickup rail (CM2) with a driver from the bottom of chassis.
  • Page 7 REPLACEMENT OF CD MECHANISM f. Resetting the pickup to the home position The limit switch is switched ON by the projection of this rack gear secured to the returned pickup, after which the sled motor continues to operate (by the circuit) for approximately 30 msec. There is then again a reverse operation, and movement to the position at which the switch is switched OFF.
  • Page 8: 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. DC 12.OV Supply voltage Phones impedance 32 ohms Standard output 50mW Function switch RADIO a. Parts Location VCT-3 VCT-1 VCT-2...
  • Page 9: Tape Adjustments

    TAPE ADJUSTMENTS a. Adjusting Azimuth Be sure to clean the heads before attempting to make any adjustment. Be sure both channel’s waveform are the same for the phase matching. Be sure both channels (1 and 2) are the same level using a dual-channel oscilloscope. After completion of the adjustment, apply the threadlock (TB-1401 B) to the azimuth adjustment screws to fix them securely.
  • Page 10 D MECHANISM...
  • Page 11: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL A IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY A, USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL.
  • Page 12 PARTS LIST DESCRIPTION REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. A 405 009 5207 TR 2SB927-S MT-GLAZE 560 JA 1llOW R1462 401 038 7601 A 405 001 9302 TR 2SAl020-Y MT-GLAZE 560 JA 1llOW R1463 401 038 7601 R1464 MT-GLAZE 1K JA 1llOW 405 014 4509 TR 2SC2412K-R 401 0375400 R1465...
  • Page 13 PARTS LIST ASSY VOLUME P.W.BOARD DESCRIPTION REF.NO. PART NO. PART NO. DESCRIPTION REF.NO. 4050003103 TR DTCll4ES 614 291 2430 6140243185 SWITCH 614 229 3812 JACK CN421 6142448335 CN422 6450042690 6142399798 VC201 407 063 9504 ZENER DIODE MTZJ8.2B x2101 6450095801 4070079904 DIODE GMAOI 6450046100 DIODE 1 SS133...
  • Page 14 EXPLODED VIEW (TAPE MECHANISM) ‘TM18 T M 2 0 T M 5...
  • Page 15 PARTS LIST TAPEMECHANISM (TM-PR15TN-SH) CD MECHANISM (CD94C8-SH) REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. 614 279 1912 TM01 6450091742 SUPPLY REEL ASSY BACK TENSION SPRING 6142622575 TM02 645 009 1575 TM03 6450091674 RECORD SAFETY LEVER 614 263 7739 4110447502 SCR PAN+SW 2X5,SPINDLE MOTOR TM04 6450091735 TAKE UP REEL ASSY...
  • Page 16: Exploded View (Cd Mechanism)

    EXPLODED VIEW (CD MECHANISM) r - - - - -CMl-2 f - r - - - - - - -...
  • Page 17 Connection Pin for Photo Diode of Pickup. ut Pin for Tracking Gain Control Signal from Input Pin for Sled Signal from Micro Processor. 0 Output Pin of APC (Automatic Power Control) Circuit. Input Pin of APC (Automatic Power Control) Circuit. Input Pin for Tracking Jump Signal from Digital VCC for RF Root.
  • Page 18: Ic Block Diagram & Description

    No. Pin Name VO Function external VC0 control. Ground terminal for built-in VC0 Resistance connection terminal for electric current adjustment of PDO output. Built-in VC0 power supply terminal. a I vss Digital E F M O sub-cord block EFLG Input terminal of tracking error signal. Single and Double TOFF 0 Output terminal of tracking off.
  • Page 19 VIN4 v o 7 VIN3 Sift Driver v o 3 v o 4 OUT Reg IN Function Pin Name VO Pin Name Not used VOL-UP VOL-DOWN XRST MPX fN LOUT FM OSC AM OSC DET OUT DECODE FM IF AM IF AM R F GNDP TUN LED...
  • Page 20 OUT 1 OUT 2 T A P E L I N E P L A Y INTlEXT vcc I B.S. I IN- I OUT- I NF I RIPPLE I N - 2 a l l - 2 B . S . 2 D1551...
  • Page 21: Wiring Connection

    WIRING CONNECTION LEFT SPEAKER TAPE MECHANISM AMP & SYSCON P.W.B CD DISPLAY P.W.B CD MECHANISM OPEN I CLOSE r - l CD P.W.B BATTERY TERMINAL 1 P.W.B...
  • Page 22: Schematic Diagram (Tuner)

    SCHEMATIC DIAGRAM (TUNER)
  • Page 23: Wiring Diagram (Tuner)

    WIRING DIAGRAM (TUNER)
  • Page 24 WIRING DIAGRAM (CD)
  • Page 25 SCHEMATIC DIAGRAM (CD) MECHANISM P M - D A D - 9 4 C I PICK I I I I I I This is a basic schematic diagram.
  • Page 26 C N 1 0 2 GND3 C N 1 0 3...
  • Page 27 SCHEMATIC DIAGRAM (AMPLIFIER) TO TUNER SYNC GND2 CD R-CH L-CH This is a basic schematic diagram.
  • Page 29: Wiring Diagram

    WIRING DIAGRAM (AMPLIFIER SYSCON) BATTERY TERMINAL - 1 P.W.B T4981 BATTERY TERMINAL - 2 P.W.B 28 -...
  • Page 30: Power Supply P.w.b

    AMPLIFIER & SYSCON P.W.B AC SOCKET P.W.B OPEN / CLOSE R/P SWITCH P.W.B SWITCH P.W.B POWER SUPPLY P.W.B...
  • Page 31 SCHEMATIC DIAGRAM (SYSCON)
  • Page 32: Wiring Diagram (Display)

    WIRING DIAGRAM (DISPLAY) SANYO Electric Co., Ltd. Osaka, Japan Printed in Japan Mar. / ‘97 / 1200 NS...