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Sanyo MCD-Z120 Service Manual

Cd portable radio stereo cassette recorder
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Service Manual

SPECIFICATIONS

(CASSETTE DECK SECTION)
Track System ........................ AC bias, 4-track stereo
Erasing System ..................... Magnet erase
Tape speed ........................... 4.75 cm/sec.
Fast forward and
Rewind time ................... 110sec.(C60 tape)
Frequency range ................... 80 - 12,000 Hz(Normal tape)
(CD SECTION)
Channels ............................... 2 channel
S/N ratio ................................ 73 dB
Wow & Flutter........................ Undetectable
Sampling frequency .............. 44.1 kHz
Quantization .......................... 16 bits linear/ch
Pickup light source ................ Semi-conductor laser
Pickup wave length ............... 790 nm
CD Portable
Radio Stereo Cassette Recorder
MCD-Z120
MCD-Z120F
PRODUCT CODE No.
164 049 01 MCD-Z120 (CA)
164 049 02 MCD-Z120F(XE)
164 049 03 MCD-Z120F(AU)
164 049 04 MCD-Z120F(PA)
164 049 05 MCD-Z120F(KR)
164 049 06 MCD-Z120F(TW)
(RADIO SECTION)
Tuning range ................. FM : 87 - 109 MHz(CA,PA)
AM : 515 - 1,740 kHz (CA,PA)
Antenna ......................... Built-in ferrite bar and Telescope rod
(GENERAL)
Output power ................ 50W (P.W.P.O)
Speaker ......................... 10 cm x 2, 8 ohms
Terminal impedance ..... PHONES : 32 ohms
Power source ................ AC : 120V , 60Hz(CA)
DC : 12 V (8 "D" size batteries)
Dimensions ................... 440 x 173 x 235 mm(W x H x D)
Weight (approx.) ............ 3.2 kg (without batteries)
Specifications subject to change without notice.
REFERENCE No.
FILE NO.
(CA)
(XE)
(AU)
(PA)
(KR)
(TW)
87.35 - 108.5 MHz( Except CA,PA)
515 - 1,640 kHz ( Except CA,PA)
230V , 50Hz(XE)
230-240V , 50Hz(AU)
110-120/220-240V , 50/60Hz(PA)
220V , 60Hz(KR)
110V , 60Hz(TW)
SM
5810126

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  Summary of Contents for Sanyo MCD-Z120

  • Page 1: Specifications

    MCD-Z120F (XE) (AU) (PA) (KR) (TW) PRODUCT CODE No. SPECIFICATIONS 164 049 01 MCD-Z120 (CA) 164 049 02 MCD-Z120F(XE) 164 049 03 MCD-Z120F(AU) 164 049 04 MCD-Z120F(PA) 164 049 05 MCD-Z120F(KR) 164 049 06 MCD-Z120F(TW) (RADIO SECTION) (CASSETTE DECK SECTION) Tuning range ....
  • Page 2: Safety Precaution

    SAFETY PRECAUTION 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) WAVELENGTH ..... 790 nm CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED.
  • Page 3 TUNER ADJUSTMENTS (3). TUNING FREQUENCY RANGE ADJUSTMENT FM Band: Set the internal modulation of Singnal FM BAND generator to 1 KHz Dev. 22.5KHz OSCILLOSCOPE FM-SG SING. BAND ADJUST FOR ADJUSTMENT FRE. AC EVM 87MHz L803 MAXIMUM (CA,PA) SENSITIVITY 87.35MHz (Except CA,PA) 75 OHM OUTPUT 109MHz...
  • 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 5: Exploded View(Cabinet & Chassis)

    EXPLODED VIEW(CABINET & CHASSIS) - 4 -...
  • 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 ELECTRIC-PARTS REC SWITCH P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 645 036 2835 4" SPK,W/SIL CAP 614 312 9394 ASSY,PWB REC SW,AC BIAS 645 037 2889 PWR TRANS, ! ! ! (Only initial) CSA APP W/APP FUSE(CA) C0203 403 056 8905 POLYESTER 1000P M 50V,PRE-AMP 645 039 6830 PWR TRANS,...
  • Page 8 PARTS LIST CD SWITCH P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION C1106 403 061 9607 POLYESTER 0.047U J 50V,CD MAIN 614 311 4352 ASSY,PWB CD SWITCH(Only initial) C1107 403 061 9607 POLYESTER 0.047U J 50V,CD MAIN 645 036 2026 2P J.WIRE AWG26UL, C1108 403 060 5204 POLYESTER 3300P J 50V,CD MAIN CNP105 TO MAIN CN1105...
  • Page 9: Exploded View & Parts List(Tape Mechanism)

    EXPLODED VIEW & PARTS LIST(TAPE MECHANISM) TAPE MECHANISM REF.NO. PART NO. DESCRIPTION 645 042 4229 ASSY CASS DECK MECHA,ZY33-V 9T (Only initial) TM01 TM04 TM01 645 016 5245 R/P HEAD TC-951,Z120/CA STEREO TM02 645 009 1612 PINCH ROLLER ARM ASSY TM02 TM03 645 041 7054 MG ERASE,Z120/CA...
  • Page 10 IC BLOCK DIAGRAM & DESCRIPTION U0101 LA9250M((Analog Single Processor) Pin Name Function PIN NAME Function SLOF Sled servo off control input pin. Pick-up photo-diode connection pin. Added to FTN! Pin to gene FTN2 RF signal, subtracted from FTN1 pin to generate the FE signal. Pin for setting the function on/off, which function is tracking ga TGRF following to RF level.
  • Page 11: Wiring Connection

    WIRING CONNECTION L-CH SPEAKER R-CH SPEAKER WHITE BLACK BLACK REC SWITCH P.W.B R/P HEAD DISPLAY P.W.B TAPE DECK CN201 MECHANISUM MOTOR (4P) SWITCH BLACK CNP4 CNP104 (2P) (13P) CNP202 (3P) CNP203 (11P) ANT. PHONES CN202 (3P) CN105 CN201 CNP801 CN801 (2P) JACK1 (11P)
  • Page 12: Voltage Of Ic & Transistor

    VOLTAGE OF IC & TRANSISTOR IC LA9250M IC LC78602E IC LA6541D PIN NO. DC VOLTAGE PIN NAME PIN NO. DC VOLTAGE PIN NAME PIN NO. DC VOLTAGE PIN NAME 2.1 V FIN2 DEFI 2.1 V FIN1 3V / 5V 8.6 V 1.6 V MUTE 1.6 V...
  • Page 13: Wiring Diagram (Rec Switch, Display)

    WIRING DIAGRAM (REC SWITCH, DISPLAY) REC SWITCH DISPLAY(CA) DISPLAY(Except CA) - 22 -...
  • Page 14: Wiring Diagram (Tuner )

    WIRING DIAGRAM (TUNER ) TUNER(CA) TUNER(Except CA) - 23 -...
  • Page 15: Wiring Diagram (Power Amp, Cd Switch )

    WIRING DIAGRAM (POWER AMP, CD SWITCH ) POWER AMP CD SWITC H - 24 -...
  • Page 16 SANYO Technosound Co., Ltd. Osaka, Japan May./ '00 / 2350 BB Printed in Japan...
  • Page 17 SCHEMATIC DIAGRAM (MAIN / CA , KR) This is a basic schematic diagram. - 13 - - 12 -...
  • Page 18 SCHEMATIC DIAGRAM (MAIN / Except CA , KR) This is a basic schematic diagram. - 15 - - 14 -...
  • Page 19 SCHEMATIC DIAGRAM (CD) This is a basic schematic diagram. - 17 - - 16 -...
  • Page 20 WIRING DIAGRAM(CD MAIN / CA , KR) - 19 - - 18 -...
  • Page 21 WIRING DIAGRAM(CD MAIN / Except CA , KR) - 21 - - 20 -...

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Mcd-z120f