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Sanyo MCD-ZX300 Service Manual

Cd portable radio cassette recorder
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Service Manual
CONTENTS
Specification ..................................................................... Front
Laser beam safety precaution .......................................... 1
Tuner Adjustments ........................................................... 2
Tape Deck Adjustments ................................................... 3
Exploded View (Cabinet & Chassis) ................................ 4
Parts List .......................................................................... 5
Exploded View & Parts List(Tape Deck) ......................... 7
Block Diagram .................................................................. 7

SPECIFICATIONS

(CASSETTE SECTION)
Recording System ........... 4-track, , 2-channel stereo
Erasing System ............... Magnet erase
Tape speed ..................... 4.75 cm/sec.
Fast forward and
Rewind time .............. Approx. 110 sec. (C-60 tape)
Frequency range ............ 80 - 12,000 Hz (Normal tape)
(CD PLAYER SECTION)
Channels ......................... 2 channels stereo
S/N ratio .......................... 70 dB
Wow & Flutter .................. Below measurable limits
Sampling frequency ........ 44.1 kHz
Quantization .................... 16 bits linear/ch
Pickup light source .......... Semi-conductor laser
Pickup wave length ......... 790 nm
Laser output .................... Continuous wave max. 0.6 mW
CD Portable Radio

Cassette Recorder

MCD-ZX300
SERIES
IC Block Diagram & Description ....................................... 8
Schematic Diagram (Main/CA) ........................................ 10
Schematic Diagram (Main/XE) ......................................... 12
Schematic Diagram (CD/CA) ........................................... 14
Schematic Diagram (CD/XE) ........................................... 16
Wiring Diagram (CD Main and Rec SW) ........................ 18
Wiring Connection ........................................................... 20
(RADIO SECTION)
Tuning range ................... FM : 87.5 - 108 MHz (XE)
(GENERAL SECTION)
Power output ................... 2W/ch (DC max)
Speaker ........................... 10 cm x 2
Terminal impedance ....... PHONES : 32 ohms
Power source .................. AC : 230V, 50Hz (XE)
Dimensions ..................... 380 (W) x 170 (H) x 260 (D) mm
Weight (approx.) .............. 2.7 kg (Not including batteries)
Specifications subject to change without notice.
FILE NO.
MCD-ZX300
MCD-ZX300F
MCD-ZX350
MCD-ZX350F
MCD-ZX350
SERIES
PRODUCT CODE No.
164 083 03 300 (CA)
164 083 01 300F(XE)
164 083 04 350 (CA)
164 083 02 350F(XE)
FM : 88.0 - 108 MHz (CA)
AM : 526.5 - 1,606.5 kHz (XE)
AM : 525.0 - 1,710.0 kHz (CA)
: 120V, 60Hz (CA)
DC : 12 V ("D"X8 batteries)
REFERENCE No.
(CA)
(XE)
(CA)
(XE)
SM
5810282

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  Summary of Contents for Sanyo MCD-ZX300

  • Page 1: Table Of Contents

    FILE NO. Service Manual MCD-ZX300 CD Portable Radio (CA) Cassette Recorder MCD-ZX300F (XE) MCD-ZX350 (CA) MCD-ZX350F (XE) MCD-ZX300 SERIES MCD-ZX350 SERIES PRODUCT CODE No. CONTENTS 164 083 03 300 (CA) 164 083 01 300F(XE) 164 083 04 350 (CA) 164 083 02 350F(XE) Specification ..............
  • 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. LASER OUTPUT ....0.6 mW Max. (CW) WAVE LENGTH ....
  • 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 12V Speaker : 4 ohms Standard output : 50 mW (450 mV) Function switch : RADIO...
  • Page 4: Tape Deck Adjustments

    TAPE DECK ADJUSTMENTS 1. HEAD REPLACEMENT • After replacement, demagnetize the heads by using a degausser. • Be sure to clean the heads before attempting to make any adjustments. • All wiring should be returned to the original position after work is completed. 2.
  • Page 6: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY ! ! ! CAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , 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 7 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION SW705 645 042 0023 SW TACT,MEMORY Q0903 645 054 0578 TR 2SB1426Q SW706 645 042 0023 SW TACT,PLAY/PAUSE SW301 645 042 0054 SW SLIDE,SS23E01G6 SW302 645 042 0030 SW PUSH,ON-OFF REC SW P.W.BOARD ASSY T0201 645 027 0307 BIAS COIL,IFT 3630...
  • Page 8: Block Diagram

    EXPLODED VIEW and PARTS LIST(CD MECHANISM & TAPE DECK MECHANISM) CASS DECK MECHANISM(P21VB-A83-2L1F4) REF.NO. PART NO. DESCRIPTION 645 050 1814 CASS DECK MECHANISM, TM01 SEMI AUTO STOP TM01 645 018 0637 R/P HEAD TM02 645 050 1401 PINCH ROLLER TM02 TM03 TM03 645 030 6839 E HEAD...
  • Page 9: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION IC901 TC94A23FN503 (CD PROCESSOR) 64 63 62 61 60 59 Clock gene. 57 RFI Data CD clock slicer 56 SLCO ZDET 50 TMAX TMAX SERVO 49 PDO control 48 P2V 54 VCOF Digital equalizer 53 PV Automatic adjustment circuit 51 LPFO...
  • Page 10 IC BLOCK DIAGRAM & DESCRIPTION IC902 TA2153FN (ANALOG SIGNAL PROCESSOR) 36pF SBAD 10pF 12 2VRO 3 STATE RFRP 11 TEB DET. 10 SEL RFCT 9 LDO 8 MDI 15pF BOTTOM RFRPIN 7 TNI PEAK 15pF RFGO 6 TPI 40pF GVSW 5 FPI AGCIN 4 FNI...
  • Page 11 SHEMATIC DIAGRAM (MAIN/CA) This is a basic schematic diagram. - 10 - - 11 -...
  • Page 12 SHEMATIC DIAGRAM (MAIN/XE) This is a basic schematic diagram. - 12 - - 13 -...
  • Page 13 SHEMATIC DIAGRAM (CD/CA) ZX350 Only This is a basic schematic diagram. - 14 - - 15 -...
  • Page 14 SHEMATIC DIAGRAM (CD/XE) ZX350 Only This is a basic schematic diagram. - 16 - - 17 -...
  • Page 15: Wiring Diagram (Cd Main And Rec Sw)

    WIRING DIAGRAM (CD MAIN and REC SW) CD MAIN REC SW This is a basic wiring diagram. - 18 -...
  • Page 16: Wiring Diagram (Tuner, Display And Rectifier)

    WIRING DIAGRAM (TUNER , DISPLAY and RECTIFIER) TUNER DISPLAY RECTIFIER This is a basic wiring diagram. - 19 -...
  • Page 17: Wiring Connection

    WIRING CONNECTION AC IN BATTERY DC12V ORANGE BROWN (16P) YELLOW BLACK CD MECHANISM (6P) CN1101 (4P) YELLOW F1101 T2A L 250V FM ROD RECTIFIER ANT. P.W.B SWITCH OPT. DIGITAL PHONES CN903 CN102 JOG901 CN901 CN902 (2P) JK301 (2P) (8P) (8P) CN302 (4P) CN301...
  • Page 18 SANYO Electric Co., Ltd. Apr./ '02 Printed in Japan Osaka, Japan...

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Mcd-zx300fMcd-zx350Mcd-zx350f