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Service Manual

FILE NO.

REFERENCE No. 

SM

5810282

PRODUCT CODE No.
164 083 03 300  (CA)
164 083 01 300F(XE)
164 083 04 350  (CA)
164 083 02 350F(XE)

CD Portable Radio

Cassette Recorder

MCD-ZX300  

  (CA)

MCD-ZX300F 

(XE)

MCD-ZX350 

    (CA)

MCD-ZX350F 

(XE)

MCD-ZX300
SERIES

MCD-ZX350
SERIES

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

(RADIO SECTION)

Tuning range ................... FM : 87.5 - 108 MHz (XE)

FM : 88.0 - 108 MHz (CA)
AM : 526.5  - 1,606.5 kHz (XE)

AM : 525.0  - 1,710.0 kHz (CA)

(GENERAL SECTION)

Power output ................... 2W/ch (DC max)

Speaker ........................... 10 cm x 2
Terminal impedance ....... PHONES : 32 ohms

Power source .................. AC : 230V, 50Hz (XE)

      : 120V, 60Hz (CA)

DC : 12 V ("D"X8 batteries)

Dimensions ..................... 380 (W) x 170 (H) x 260 (D) mm

Weight (approx.) .............. 2.7 kg (Not including batteries)

Specifications subject to change without notice.

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

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  Diagram  (Tuner, Display and Rectifier) .............. 19
Wiring  Connection ........................................................... 20

Summary of Contents for MCD-ZX300

Page 1: ... 790 nm Laser output Continuous wave max 0 6 mW RADIO SECTION Tuning range FM 87 5 108 MHz XE FM 88 0 108 MHz CA AM 526 5 1 606 5 kHz XE AM 525 0 1 710 0 kHz CA GENERAL SECTION Power output 2W ch DC max Speaker 10 cm x 2 Terminal impedance PHONES 32 ohms Power source AC 230V 50Hz XE 120V 60Hz CA DC 12 V D X8 batteries Dimensions 380 W x 170 H x 260 D mm Weight approx 2 7 kg Not including batteries...

Page 2: ...UIT Ch1 Ch2 THERMAL SHUT DOWN PROTECTION 1 2 3 4 5 6 7 8 9 10 11 12 STANDBY OUT2 BS2 NF2 IN2 DC FILTER VCC OUT1 BS1 NF1 IN1 PRE GND IC903 MM1469XH CD Driver IC BLOCK DIAGRAM DESCRIPTION 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Vcc Vcc DRIVER MUTE D BUF D BUF D BUF D BUF D BUF D BUF D BUF D BUF Level shift Level shift Level shift Level shift T S D Pickup that emits...

Page 3: ...tic 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 PARTS LOCATION TUNER ADJUSTMENTS This is a basic adjustment 2 FM ADJUSTMENT Band switch FM FM Dummy antenna 75 ohms unbalance Step Adjusting Connection S G Position of Adjust VTVM Circu...

Page 4: ...side the rear of the motor to adjust SVR so that the frequency counter become 3 000 Hz 4 CHECKING THE MECHANISM TORQUES AND TENSION Clean the head capstan and pinch roller before making any measurement Measurement Take up torque Back tension Tape tension Cassette for PLAY TW 211A PLAY TW 2111A Drive power cassete measurement F FW REW TW 2231 TW 2412 PLAY 30 60 gr cm 2 0 4 5 gr cm 60 gr or more F F...

Page 5: ...1 71 72 13 14 15 16 17 18 33 33 30 29 28 27 20 26 36 37 34 56 35 38 39 40 31 1 25 9 44 51 51 54 53 55 57 73 75 74 Y01 Y01 Y02 Y02 Y03 Y04 Y05 Y05 Y14 Y14 Y13 Y13 Y12 Y07 Y07 Y10 Y11 Y11 Y17 Y18 Y20 Y21 Y21 Y21 Y21 Y22 Y23 Y23 Y16 Y15 3 4 5 6 7 8 2 ...

Page 6: ...054 3364 KNOB CASS REWIND 17 645 054 3371 KNOB CASS PLAY 18 645 054 3388 KNOB CASS RECORD 20 645 055 1093 ASSY CD DOOR 25 645 054 3319 KNOB ROTARY TUNING 26 645 054 0929 HANDLE 27 645 042 0542 DIAL POINTER 28 645 042 0351 CD DOOR SPRING 29 645 055 1109 ASSY TOP PANEL CD TRAY 30 645 042 0801 CD DOOR LOCK 31 645 033 4245 ASSY GEAR CD DOOR 1020 33 645 033 3446 RUBBER SILICON 34 645 042 0733 TUNING DR...

Page 7: ...14C Q0301 645 023 6129 TR 9014C Q0302 645 023 6129 TR 9014C Q0901 645 032 9890 TR KTC 9015C Q0903 645 054 0578 TR 2SB1426Q SW301 645 042 0054 SW SLIDE SS23E01G6 SW302 645 042 0030 SW PUSH ON OFF T0201 645 027 0307 BIAS COIL IFT 3630 VR301 645 042 0085 ROTARY VR SHAFT VOL X0901 645 052 4837 RESONATOR 16 934MHZ 645 027 0352 CHOKE COIL 100UH MOTOR 645 051 6474 FERRITE BEAD CN901 TO CN902 645 033 3606...

Page 8: ...ic block diagram This is a basic exploded view CASS DECK MECHANISM P21VB A83 2L1F4 REF NO PART NO DESCRIPTION 645 050 1814 CASS DECK MECHANISM SEMI AUTO STOP TM01 645 018 0637 R P HEAD TM02 645 050 1401 PINCH ROLLER TM03 645 030 6839 E HEAD TM04 645 050 1395 RF BELT TM05 645 050 1784 MAIN BELT TM06 645 050 2101 ASSY MOTOR ...

Page 9: ... P2 0 EMPHin 89 37 IN2 IN1 BCKin 38 TESTC 88 TESTM 91 HOLD 39 OT19 HSO 40 OT20 SPCK 41 OT21 SPDA 42 OT22 COFS 43 DOUT 44 SBSY 45 SBOK 50 LPFN 51 LPFO 53 PVREF 54 VCOF 48 P2VREF 49 PDO 50 TMAX 56 SLCO 57 RFI AV SS AV DD RFCI RFZI RFRP FEI SBAD TEI TEZI FOO TRO V REF 69 RFGC 70 TEBC 71 FMO 72 DMO 73 2V REF 74 SEL ZDET CLCK DATA SFSY LRCK BCK MBOV IPF Reset F F OT19 22 Correction circuit 16k SRAM Add...

Page 10: ... 10 SEL 9 LDO 8 MDI 7 TNI 6 TPI 5 FPI 4 FNI 3 GMAD 2 RFGC 1 Vcc AGC Amp BOTTOM PEAK 3 STATE DET I I I I 10pF 15pF 40pF 15pF 3pF 10pF 3pF 36pF 40pF SW1 SW3 SW2 IC902 TA2153FN ANALOG SIGNAL PROCESSOR 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 FM RF AM RF AM MIX FM MIX FM OSC AM OSC REG Vcc1 Vcc2 GND2 GND1 DECODER PHASE COMP PILOT DET TRIG ST SW VCO DET DET AM IF S METER FM IF AGC...

Page 11: ... 11 10 VC102 VC101 SHEMATIC DIAGRAM MAIN CA This is a basic schematic diagram ...

Page 12: ... 13 12 VC102 VC101 SHEMATIC DIAGRAM MAIN XE This is a basic schematic diagram ...

Page 13: ... 15 14 SHEMATIC DIAGRAM CD CA This is a basic schematic diagram ZX350 Only ...

Page 14: ... 17 16 SHEMATIC DIAGRAM CD XE This is a basic schematic diagram ZX350 Only ...

Page 15: ... 18 WIRING DIAGRAM CD MAIN and REC SW This is a basic wiring diagram CD MAIN REC SW ...

Page 16: ... 19 WIRING DIAGRAM TUNER DISPLAY and RECTIFIER TUNER DISPLAY RECTIFIER This is a basic wiring diagram ...

Page 17: ...P W B CD MAIN P W B P T AC IN RED ORANGE YELLOW YELLOW BLACK BROWN F1101 T2A L 250V MOTOR SWITCH R P HEAD M CD MECHANISM CN101 4P CN102 2P CN201 5P 6P 16P TUNER P W B REC SW P W B CD SWITCH L CH SPEAKER R CH SPEAKER TAPE DECK MECHANISUM FM ROD ANT JK301 PHONES JOG901 BLACK BLACK YELLOW RED ORANGE WHITE RED BLACK OPT DIGITAL OUT WIRING CONNECTION This is a basic wiring connection ...

Page 18: ...SANYO Electric Co Ltd Osaka Japan Apr 02 BB Printed in Japan ...

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