Goodmans GMS880 Service Manual
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Goodmans GMS880 Service Manual

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Summary of Contents for Goodmans GMS880

  • Page 1 GMS880...

  • Page 2: Table Of Contents

    CAUTION: Before servicing the chassis, read the " important service safety information" section on page 2 of this manual. PORTABLE RADIO CASSETTE WITH CD PLAYER SPECIFICATIONS CONTENTS AM/FM TUNER SECTION IMPORTANT SERVICE SAFETY INFORMATION---2 ANTENNA SYSTEM AM: FERRITE BAR DISASSEMBLY INSTRUCTIONS--------------------- 3 FM: LEAD WIRE AND 75 OHM JACK ADJUSTMENT LOCATIONS----------------------------4 AM: 540 - 1600 kHz...

  • Page 3: Important Service Safety Information

    IMPORTANT SERVICE SAFETY INFORMATION 1. SAFETY PRECAUTIONS ANTENNA Before returning a unit to the customer, always make a safety TERMINAL check of the entire unit, including, but not limited to the following items: EXPOSED a. Be sure that no built-in protective devices are defective METAL PART and/or have been defeated during servicing.

  • Page 4: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS SCREW 3 x10 KA SCREW 3 x12 KM SCREW 3 x10 PA...

  • Page 5: Adjustment Locations

    ADJUSTMENT LOCATIONS...

  • Page 6: Alignment Procedures

    ALIGNMENT PROCEDURES FM AND AM RF ALIGNMENT CHART IF Step Item Input Circuit Output Circuit Tuner Adj - Adjustment Setup Setup setting Point Unless otherwise specified set switches as follows: Function: FM Adjust generator frequency to a center of the FM band where no FM brodcast exists Connect FM IF Connect C519 and GND FM in band...
  • Page 7 ALIGNMENT PROCEDURES FM RECEIVER PERFORMANCE DATA 2000mW NORMAL) Band: Supply Voltage: DC 12V /AC: Measured By: Standard Output: Dummy Load: Approved By: Modulation: 1 KHz 22.5 KHZ DEV Measuring Items Unite Norm Limit Sample1 Sample2 Max. Sensitivity 30db Quieting Sensitivity Image Rejection AT 106 MHz IF Rejection...
  • Page 8 ALIGNMENT PROCEDURES MW RECEIVER PERFORMANCE DATA 2000mW (NORMAL Band: Supply Voltage: DC12V/AC: Measured By: Standard Output: Dummy Load: Approved By: Modulation: 1 KHz 30% EQ OR Tone AT Center Place Measuring Items Unite Norm Limit Sample1 Sample2 Max. Sensitivity 1000 1400 20db Quieting Sensitivity...
  • Page 9 ALIGNMENT PROCEDURES CASSETTE PLAYBACK PERFORMANCE DATA 2000mW NORMAL Supply Voltage: DC12V/AC: Standard Output: Measured By: Dummy Load: 0 DB = 1V Tone : Center Approved By: Tape Speed 4.76cm/sec.1 7/8 in Eq. at center PT. Measuring Items Unite Norm Limit Sample1 Sample2 Tape Speed Error 3000...
  • Page 10 ALIGNMENT PROCEDURES CASSETTE REC/PLAY PERFORMANCE DATA 2000mW DC BIAS NORMAL Supply Voltage: DC12V/AC: Standard Output: Measured By: Dummy Load: 0 DB = 1V Tone:Center Approved By: Tape Speed 4.76cm/sec.1 7/8 in Measuring Items Unite Norm Limit Sample1 Sample2 Rec Bias System Erasing System TC 230 Erasing Ratio...
  • Page 11 ALIGNMENT PROCEDURES CD PLAYBACK PERFORMANCE DATA 2000mW NORMAL Supply Voltage: DC12V/AC: Standard Output: Measured By: Dummy Load: 0 DB = 1V Tone:Center Approved By: Measuring Items Unite Norm Limit Sample1 Sample2 WOW & Flutter Play Freq. Response 40 HZ +/-3 +/-6 YEDS-18 1 KHZ...

  • Page 12: Voltage Charts

    VOLTAGE CHARTS IC VOLTAGE TABLE {DC12V,NO SIGNAL INPUT (EXCEPT FM STEREO BAND),VOLUME MINMUN} TC94A29F-400 AC 230V 50HZ TA2157FN & MM1469 TA2180&TA8227P&PT2253&KA22241 PINS U103 MOTOR 2..1 MM1469 PINS MOTOR PINS U102 3.28 1.62 1.64 1.63 1.63 1.58 1.64 1.64 1.04 1.64 1.64 1.64 TA2157FN...
  • Page 13 VOLTAGE CHARTS IC305 PT2253 IC201 KA22241 1.92 IC306 PINS TA8227 11.5 PINS 1.07 2.95 3.63 0.22 3.06 1.22 1.25 PINS IC501 0.72 0.71 1.06 0.07 3.62 3.62 3.62 3.62 3.62 TA2180 PINS 0.77 0.01 PINS 2.77 1.01 REAMK:ALL THE DATA IN THE TABLE ARE FOR REFERENCE ONLY FOR FM ST BAND, FM STEREO INDICATOR MUST BE ON.

  • Page 14: Ic Block Diagrams

    IC BLOCK DIAGRAM...
  • Page 15 IC BLOCK DIAGRAM PT2253A TA8227P...

  • Page 16: Ic Block Diagram

    IC BLOCK DIAGRAM 5(02&21 P7-2/INTR/SO2 )81&7,1 % P7-1/SDIO2/RX2 RFGC )81&7,1 $ P7-0/SCK2/TX2 TEBC 3%8=5 087287 3626%6< 9ROXPHGRZQ 9ROOXPH83 P1-1/SDIO1/RX1/SFSY &LQ P1-0/SCK1/TX1/Ctin/DATA TC94A29FAG/FB-400 CVDD MVSS (SVFP64pin) MVDD MCU Oscillator MCU Power supply ,QQHU'RRU 6: P6-3/S16/ADin4/CLCK CVSS 38+ 6(/ P6-2/S15/ADin3/SBOK DVDD 36$'LQ,3) $0 .+] .(<...
  • Page 17 IC BLOCK DIAGRAM TA2157F/FN TA2157F/FN Block Diagram PEAK GVSW RFDC 20 kΩ 20 kΩ 50 kΩ 15 kΩ 40 µA 40 kΩ 20 kΩ 20 kΩ 15 kΩ 20 kΩ TEBC 50 µA 20 kΩ 12 kΩ 2 kΩ 50 kΩ RFRP 12 kΩ...

  • Page 18: Ic Block Diagrams

    IC BLOCK DIAGRAM TA2180FN GND : MONO GND : AM OPEN: ST OPEN : FM OSC BUFF OUT PSC SW OPEN: 1/1 : 1/16 TEST RFout RFin LPF1 LPF2 BUFF DECODE BUFF DIVIDE 1/1 or 1/16 BUFF LEVEL SM/MO FM/AM FMRF AMIF FMIF...

  • Page 19: Block Diagram

    BLOCK DIAGRAM...

  • Page 20: Wiring Diagram

    WIRING DIAGRAM...

  • Page 21: Schematic Diagrams

    SCHEMATIC DIAGRAMS...
  • Page 22 SCHEMATIC DIAGRAMS...
  • Page 23 SCHEMATIC DIAGRAMS...
  • Page 24 SCHEMATIC DIAGRAMS...

  • Page 25: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS...
  • Page 26 PRINTED CIRCUIT BOARDS...

  • Page 27: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS...

  • Page 28: Exploded View/Parts List (Cabinet)

    EXPLODED VIEW/PARTS LIST (CABINET)
  • Page 29 EXPLODED VIEW/PARTS LIST (CABINET) MAIN EXPLODED PART NO. ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 367-056100-8JR1 CASS DOOR LENS 303-000062-0101 CLAMPER HOUSING 358-056100-6500 CASS DOOR 371-59110-8JRO CD DOOR 461-059520-1010 CASS DOOR BRACKET 401-056100-2500 SLIDE KNOB 333-056100-8JR0 FRONT LENS 357-059100-2500 CASS KEY COVER 173-056105-01 PHONE JACK BOARD...
  • Page 30 EXPLODED VIEW/PARTS LIST (CABINET)

  • Page 31: Exploded View/Parts List (Cabinet)

    EXPLODED VIEW/PARTS LIST (CABINET) REMOTE EXPLODE VIEW PART NO DESCRIPTION REF NO 440-R00120-2500 REMOTE FRONT CAB 212-R00102-02 SILICON RUBBER REMOTE PCB BOARD 173-R00102-23 441-R00120-2500 REMOTE REAR CAB. 442-R001-201060 REMO BATTE DOOR...
  • Page 32 Component list PART NO. DESCRIPTION --------------------------------- 001-056088-11 NE-560R CD SERVO BOARD W/REMO. 150-1469XH-30 IC MITSUMI MM1469XH Motor Driv 150-2157FN-14 IC TOSHIBA TA2157FN RF AMP FOR DIGITAL SERVO CD SYSTEM 150-94A400-14 IC TOSHIBA TC94A29FAG-400 195-326032-16 F.F.CONNECTOR 90 16 P UP/LOW 1MM PITCH P/N FPC1.0B-DIP-16PW 202-000055-11 HEAT-SINK FOR MM1469XH (295) ••...
  • Page 33 114-564012-05 RESISTOR (1/16W) 560K OHM ?% HIGH GRADE 114-683012-05 RESISTOR (1/16W) 68K OHM ?% HIGH GRADE 114-822012-05 RESISTOR (1/16W) 8.2K OHM ?% HIGH GRADE 114-823012-05 RESISTOR (1/16W) 82K OHM ?% HIGH GRADE 120-105502-20 E. CAP 50V 1UF +/- 20% HIGH GRADE ?5 x 11MM 120-107102-20 E.CAP (10V) 100UF ?0% HIGH GRADE ?5 x 11MM...
  • Page 34 160-100101-00 CHOKE COIL 10UH CW-708631-100K 160-270304-00 CHOKE COIL 27uhx2 +/-20%, 6.5T x0.5MM, FERRITE CORD 9x5x3MM 160-689101-00 CHOKE COIL 6.8uh ?10% R0108-CW45-6R8K-820128 173-056002-01 NE-560 CD SERVO BOARD 133.6x117x1.6MM UL 94HB 178-000505-01 COPPER WIRE L = 50 MM 195-200011-02 WAFER JS-1125-2S / JM24181-2 PH-2A 180?2 POLES 2.0MM PITCH 195-200011-03 WAFER JS-1125-3S / JM 24181-3...
  • Page 35 130-514148-05 DIODE IN4148 BRAND: "COS" DAIWA 131-09014C-38 TRANSISTOR S9014C HI LITE CENTRE B 150-0241AI-61 IC SAMSUNG S1A0241A01-I0 150-022241-61 new No. 173-059108-01 NE-591 RECORD & PLAYBACK BOARD 61 X 83.5 X 1.6MM UL 94HB 178-000505-01 COPPER WIRE L = 50 MM 195-B00001-03 WAFER JS-1001-A3 180?3 POLES 001-056173-02...
  • Page 36 114-202012-05 RESISTOR (1/16W) 2K OHM ?% HIGH GRADE 114-272012-05 RESISTOR (1/16W) 2.7K OHM ?% HIGH GRADE 114-392012-05 RESISTOR (1/16W) 3.9K OHM ?% HIGH GRADE 114-682012-05 RESISTOR (1/16W) 6.8K OHM ?% HIGH GRADE 121-101500-10 C.CAP 100 PF (50V) ?0% 173-056103-0101 NE-561 DISP/CONT BD W/REM. R.1 115x83x1.6MM UL 94HB 001-056130-12 NE-561 AM/FM 455 2W W/R.
  • Page 37 HIGH GRADE 114-100301-05 RESISTOR 10 OHM 1/2W ?% 114-102012-05 RESISTOR (1/16W) 1K OHM ?% HIGH GRADE 114-102201-05 RESISTOR 1K OHM 1/4W, 5% 114-103012-05 RESISTOR (1/16W) 10K OHM ?% HIGH GRADE 114-104012-05 RESISTOR (1/16W) 100K OHM ?% HIGH GRADE 114-123012-05 RESISTOR (1/16W) 12K OHM ?% HIGH GRADE 114-124012-05 RESISTOR (1/16W) 120K OHM ?%...
  • Page 38 120-107302-20 E. CAP (16V) 100UF +/- 20% HIGH GRADE ?5 x 11MM 120-107400-82 E.CAP 100 UF (25V) +80,-20% ?6 x 11MM 120-108102-20 E.CAP (10V) 1000UF ?0% HIGH GRADE ?8 x 14MM 120-225502-20 E. CAP 50V 2.2UF +/- 20% HIGH GRADE ?5 x 11MM 120-2255A3-20 E.CAP 2.2 UF (50V) +/-20% "LL"...
  • Page 39 131-08050C-38 TRANSISTOR S8050C HI LITE CENTRE B 131-08550C-38 TRANSISTOR S8550C HI LITE CENTRE B 131-09014C-38 TRANSISTOR S9014C HI LITE CENTRE B 131-09015C-38 TRANSISTOR S9015C HI LITE CENTRE B 131-0A928A-63 TRANSISTOR KSA928A FAIRCHILD CENTRE C 150-02253A-20 IC PTC PT2253A Volume IC 150-08227P-14 IC TOSHIBA TA8227P 155-0N1360-20...
  • Page 40 SILVER C/C, & CUSHION, H=45 179-026006-02 JUMPER WIRE (3+54+3)MM RED #26 (9X1.3) 179-026008-00 JUMPER WIRE (3+74+3)MM BLACK #26 (9X1.3) 190-024183-00 SPEAKER WIRE (8-1800-10) 1.8M W/POLARITY MARKING 24# 202-000023-00 SPEAKER CLIP (100) 203-300200-08 TAPPING SCREW 3 X 8 P/A "+" 203-300200-12 TAPPING SCREW 3 X 12PA 203-300800-10 TAPPING SCREW 3 X 10 PWA "+"...
  • Page 41 010-05609W-50E0 R-01 10 KEY TOSHIBA 400 2C00 REM (PT2243S) 999-0561G0-0100 020-056039-01 R-01 10 KEY FOR TOSHIBA "400" REMOTE CONTROL BOARD (PT2243S) 108-004550-07 CERAMIC RESONATOR CSBLA455KECE -B0 "old CSB455EB" 114-22A012-05 RESISTOR 2.2 OHM 1/16W ?% 114-682012-05 RESISTOR (1/16W) 6.8K OHM ?% HIGH GRADE 120-476112-20 E.
  • Page 42 199-000002-12 OIL DAMPER "LAP TUNG" SLOW 202-000003-41 MAGNET M 30x16x5MM 48+/-2g Magnetic force 202-000040-01 EAR HEADPHONE PCB PRESS PLATE 13.2mm x 10mm X 1.0mm 202-000063-12 SOLDERING PLATE M3x12mm (18) 202-000063-25 WIRE HOLDER (106) 3.3 X 25 X 0.3MM 202-026203-01 MOUNTING PLATE (262) 0.8mm 12x12mm 202-057511-01...
  • Page 43 DUST COVER FOR SONY INJ ABS BLACK Same 199-000013-01 208-059100-60 CD COVER PLATE SILVER (591) 877C BK WORDS 209-05619W-03 RATING PLATE "GOODMANS" (561) 230v,50HZ,MADE IN PRC 210-000001-01 QC PASS LABEL WHITE B/G / BLACK LETTER 210-000003-03 SERIAL NO LABEL WITH (P.P)
  • Page 44 227-05619W-02 I/B-GOODMANS AM/FM 6 LANG(561) MDL: GMS880D 228-05619W-01 G/B- Goodmans VDE (561) MDL: GMS880D 300-056120-01CV GOODMANS SONY 4.5V DC W/O AC-S W/AC C., CHROME+2C00+1813+8800 302-000003-1300 PLASTIC WASHER 13x3.2X1.4 MM INJ ABS ANY COLOR 303-000033-0001 CHUCKING P HOLDER-BUCKLE "SONY INJ ABS BLACK 303-000081-0001 CASSE KNOB FIXER REV.
  • Page 45 380-057520-53J0 BATTERY DOOR REV2. INJ. HIPS 5822 381-057510-53J0 BATTERY BOX REV. INJ. HIPS 5822 400-056100-2500 TUNING KNOB SPR ABS 2C00 401-056100-2500 SLIDE KNOB SPR ABS 2C00 403-056102-2500 UP/DOWN VOL BUTTON SPR ABS 2C00 403-056103-8JR0 POWER BUTTON INJ SAN 8800 403-056105-2500 BASS BUTTON SPR ABS 2C00 408-056100-2490 FUNCTION BUTTON CHROME ABS...
  • Page 46 UNIT QTY. PER ---------------- ------------------...
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