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GX-CD30/30C/130/130C

No. S3607GX-CD130

SERVICE MANUAL

GX-CD30
GX-CD30C
GX-CD130
GX-CD130C

• In the interests of user-safety the set should be restored to its

original condition and only parts identical to those specified
should be used.

Illustration: GX-CD130

SHARP CORPORATION

Service Headquarters: Sharp Plaza, Mahwah, New Jersey 07430-2135

SHARP ELECTRONICS CORPORATION

CONTENTS

Page

IMPORTANT SERVICE NOTES (FOR GX-CD30/130 ONLY) ..........................................................................................  2
SPECIFICATIONS .............................................................................................................................................................  2
NAMES OF PARTS ...........................................................................................................................................................  3
DISASSEMBLY ..................................................................................................................................................................  4
REMOVING AND REINSTALLING THE MAIN PARTS .....................................................................................................  6
ADJUSTMENT ...................................................................................................................................................................  8
TROUBLESHOOTING (CD SECTION) ...........................................................................................................................  10
NOTES ON SCHEMATIC DIAGRAM ..............................................................................................................................  13
TYPES OF TRANSISTOR ...............................................................................................................................................  13
BLOCK DIAGRAM ...........................................................................................................................................................  14
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................  18
WAVEFORMS OF CD CIRCUIT ......................................................................................................................................  27
FUNCTION TABLE OF IC ................................................................................................................................................  28
PARTS GUIDE/EXPLODED VIEW
PACKING OF THE SET (FOR GX-CD30/130 ONLY)

DIFFERENCE BETWEEN GX-CD30/30C AND GX-CD130/130C

GX-CD30/30C

GX-CD130/130C

REMOTE

None

Used

CONTROL

X-BASS

None

Used

1
2
3
...
»

Summary of Contents for GX-CD130

Page 1: ...ORPORATION CONTENTS Page IMPORTANT SERVICE NOTES FOR GX CD30 130 ONLY 2 SPECIFICATIONS 2 NAMES OF PARTS 3 DISASSEMBLY 4 REMOVING AND REINSTALLING THE MAIN PARTS 6 ADJUSTMENT 8 TROUBLESHOOTING CD SECTION 10 NOTES ON SCHEMATIC DIAGRAM 13 TYPES OF TRANSISTOR 13 BLOCK DIAGRAM 14 SCHEMATIC DIAGRAM WIRING SIDE OF P W BOARD 18 WAVEFORMS OF CD CIRCUIT 27 FUNCTION TABLE OF IC 28 PARTS GUIDE EXPLODED VIEW P...

Page 2: ...2 milliamp AC or more is excessive and indicates a potential shock hazard which must be corrected before returning the audio product to the owner TO EXPOSED METAL PARTS CONNECT TO KNOWN EARTH GROUND TEST PROBE 0 15 µ F 1 5k ohms 10W VTVM AC SCALE SPECIFICATIONS General Power source AC 120V 60 Hz DC 12 V D size UM SUM 1 R20 or HP 2 battery x 8 Power consumption 25 W Output power FTC 2 5 W minimum R...

Page 3: ...7 7 27 TAPE2 Play Button 0 0 0 0 0 28 TAPE2 Stop Eject Button H H H H H 7 7 7 7 7 29 TAPE2 Cassette Compartment 30 Speaker Terminals 31 FM Telescopic Rod Aerial 32 Speaker Wire 33 Speaker Release Lever 34 Battery Compartment 35 Headphones Socket 36 AC Power Input Socket H Remote Control GX CD130 130C ONLY 1 Remote Control Transmitter LED 2 CD Play Repeat Button 0R 0R 0R 0R 0R 3 CD Track Down Revie...

Page 4: ...ow mentioned notes when disassembling the unit and reassembling it to keep it safe and ensure excellent performance 1 Take cassette tape and compact disc out of the unit 2 Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit 3 Take off nylon bands or wire holders where they need be removed when disassembling the unit After servicing the unit be sure ...

Page 5: ... J1 x3 ø3 x10mm G1 x2 ø3 x10mm G2 x3 J2 x1 J2 x2 H1 x1 ø3 x12mm Top Cabinet CD Servo PWB Switch PWB Display PWB CD Mechanism K1 x3 ø2 6 x10mm Figure 5 3 Figure 5 4 Power PWB Terminal PWB L1 x3 ø3 x10mm L1 x1 ø3 x10mm Rear Cabinet Driver Push L2 x1 Figure 5 5 A1 x4 ø3 x20mm Front Panel 5 ...

Page 6: ... 1 2 3 4 5 and 6 of the disassembly method to remove the tape mechanism TAPE MECHANISM SECTION How to remove the record playback and erase heads TAPE 1 See Fig 6 1 1 Carefully bend the record playback head pawls A1 x 2 pcs in the direction of the arrow Â and remove the record playback head upwards 2 Remove the screws B1 x 2 pcs to remove the erase head How to remove the playback head TAPE 2 See Fi...

Page 7: ...to remove the gear F5 x 1 pc 4 Remove the pickup FITTING OF DIAL POINTER 1 Remove the three screws and remove the tuner PWB from the tuner frame See Fig 7 2 2 Turn fully the dial wheel in the Â direction See Fig 7 3 3 Set the dial pointer as shown in Figure 7 2 and mount the tuner PWB Figure 7 1 Pickup F2 x2 ø2 6 x6mm F1 x2 CD Mechanism CD Cover Shaft F3 x1 Gear F5 x1 Stop Washer F4 x1 F1 x2 7 Tun...

Page 8: ... Coverage fL L2 fH TC2 Tracking 88 0 MHz L1 108 0 MHz TC1 Test Stage Specified Value Adjusting Point Instrument Connection Input Pin 1 of IC1 Output Pin 17 of IC2 Iuput Antenna Output Headphones Socket Load resistance 32 ohms AM IF RF IF T3 Input Antenna Output Pin 19 of IC2 Band Coverage fL L4 Input Antenna fH TC4 Output Headphones Tracking 600 kHz L3 Socket Load 1 400 kHz TC3 resistance 32 ohms ...

Page 9: ...sed Turning the tracking servo on or off 3 a If the PLAY button is pressed while in the stop mode the laser will simply be turned on at first b If the laser is lit and the PLAY button is pressed again playback will start from the current pickup position c If the STOP button is pressed playback will stop When pressed again the laser will be turned off a Each time the PAUSE button is pressed during ...

Page 10: ...all amount of isopropyl alcohol Do not touch the lens with the bare hand See if the pick up is in the pick up in SW702 position If the items mentioned above are OK check the main microcomputer IC701 Yes Yes The CD function will not work The CD operating keys don t work Check the CD DPS microcomputer IC701 power supply 4 19 MHz and 16 93 MHz clock and reset terminal Check the waveform of SCK SO DAT...

Page 11: ...IV 0 5µsec DIV DC When playing back the disc Waveform in case of normal play back 3 2 1 4 0 5s 1 00 V IC801 16 FD 0 5s 10 0 V IC801 12 CLV 0 5s 10 0 V IC801 54 DRF 0 5s 2 00 V IC801 7 TE Check the tracking system Check the tracking system Check waveform of IC801 pin 7 TE Check the periphery of IC801 pin 8 to pin 15 and IC804 to BI801 CNS801 Tracking servo is inoperative The waveform shown in Fig 1...

Page 12: ...9 and 10 Error Yes Check PDO waveform Fig 12 Checking the VCO PLL system Play operation is performed when disc exits Yes Although HF waveform is normal TOC data cannot be read Figure 12 2 3 0 5s 1 00 V IC802 3 PDO 0 5s 1 00 V IC801 16 FD As VCO freque ncy is locked at 4 32 M Hz voltage of PDO rises and stabili zes Stop Play Check IC802 pins 37and 40 Check the periphery of IC803 OPAMP Abnomal Usual...

Page 13: ...Fusible is a fuse type resistor Capacitor To indicate the unit of capacitor a symbol P is used this symbolPmeansmicro micro faradandtheunitofthecapacitor withoutsuchasymbolismicrofarad Astoelectrolyticcapacitor the expression capacitance withstand voltage is used CH TH RH UJ Temperature compensation ML Mylar type P P Polypropylene type The indicated voltage in each section is the one measured by D...

Page 14: ...T K1 CD OPERATION KEY SW771 SW775 RC IN LID 3 2 1 3 2 1 CFW772 SW761 OPEN CLOSE SENSOR REMOTE RX771 57 24 27 28 31 60 41 44 30 33 22 23 37 CD LCD LCD771 PICKUP IN PU IN SW 19 13 14 SL SL SLD SLEO SPO FD TO SL SL F E FIN1 FIN2 6 5 Q805 VCC1 LASER DRIVER SERVO LA92 IC8 26 27 IC804 FOCUS TRA SPIN SLID DRIVE BA5920 M701 M702 SW702 RES SL DRF WRQ RESET MUTE VLC3 VDD 5V D 4 19MHz X701 IC701 IX0105AW SYS...

Page 15: ...T VOLTAGE REGULATOR 6 27 28 29 7 4V CD 1 2 3 4 5 GND A R CH L CH GND D CNP851 7 4V D SECTION MAIN TO VVDD XIN XOUT VDD XVDD EFMO EFMIN CLV CLV V P HFL TES TOFF JP JP TGL RES CQCK COIN SQOUT RWC WRQ LCHO LC78622E IC802 SERVO SIGNAL CONTROL 16 93MHz XL801 SLI SLC CV JP DRF CE DAT CL CLK THLD DEF SLD SLEO SPO FD 1 2 64 62 5V Q805 VCC1 LDO LASER RIVER SERVO AMP LA9240M IC801 22 2 7 4V 7 5 6 8 28 13 IC...

Page 16: ... 23 4 2 1 15 12 24 7 18 L R R L R L P B L CH R CH REC 19 T1 T2 T1 T2 P B Q351 L351 BEAT CANCEL RADIO B2 Q405 REC L3 AM BAR ANT R CH 3 CD AUDIO GND L CH CD 7 3V POWER GND Q252 T2 PB HEAD T1 L T2 R T2 L T1 R T1 B1 SW501 A B FUNCTION POWER TAPE 2 1 MUTE SYNC IN SW201 B REC PB M TAPE MOTOR M601 REC PB SW201 A REGULATOR VOLTAGE TONE VR532 A B SW351 RECORD PLAYBACK PLAYBACK AND AMP IC201 LA7345K C D E F...

Page 17: ... Q554 D size UM SUM 1 R20 or HP 2 battery x 8 FUNCTION POWER SW501 C RADIO TUNER B 455kHz A M TUNER B T651 POWER TRANSFORMER BATTERY DC 12V B1 D651 D654 RECTIFIER VR1 VCO MONO 12 10 11 6 2 Q404 5 B2 Q401 RIPPLE FILTER Q403 CD TAPE POWER SW501 D FUNCTION VOLUME X BASS ATOR GE E VR531 A B 32 A B B CNP552 TWEETER SP3 L CH SP1 WOOFER SP2 WOOFER R CH TWEETER SP4 SPEAKERS J551 HEADPHONES ONLY CD130 130C...

Page 18: ...8 0 01 C837 10 16 C835 0 1 50 R842 22 C848 1 50 R811 3 3K R809 27K R807 1K C809 0 047 C810 180P R808 12K R802 100K C804 0 001 R810 82K D802 1SS133 R849 100K C821 1 50 C851 0 022 R839 22K R828 1K R840 22K R829 1K R824 10K C820 0 0033 R830 1K R831 1K R820 10K C818 1 50 C815 0 0047 R814 10K R815 47K C812 330P R817 82K C814 0 01 R816 1 5K R821 56K R822 6 8K C816 0 001 C817 0 47 50 R823 1 2K R825 1 2K ...

Page 19: ... ZD801 MTZJ5 6B R877 220 R878 100 Q804 CONSTANT VOLTAGE REGULATOR 2SD468 C C846 330 10 C802 47 10 C801 0 01 C842 0 047 R857 27K R858 680 C843 100 10 C873 0 01 C847 0 01 R860 1K IC802 LC78622E SERVO SIGNAL CONTOL C841 0 047 R856 1 2K XL801 16 93MHz R874 100 R873 100 R875 10K R876 10K C867 10 16 C868 10 16 C890 100 10 C870 0 0022 C869 0 0022 B B B B B B L801 0 82µH B B B 27 28 26 25 24 23 22 1 2 3 4...

Page 20: ... STOP DOWN REVIEW SW774 R723 R725 R722 R720 R719 R718 R732 R729 R726 R728 R731 R716 R733 C701 C702 R776 LCD771 R710 R708 R712 R709 R711 R779 R713 R734 R730 FW852 FW603 R724 R721 R727 R715 R742 R741 C741 R740 C740 D741 R743 D740 Q740 C704 C705 R714 FW772 1 3 12 1 3 1 1 2 3 1 2 3 1 64 5 10 15 16 17 20 25 30 40 35 1 32 33 45 48 49 50 55 60 IC701 FW772 SW761 1 3 DISPLAY PWB A2 SWITCH PWB A5 2 3 4 5 6 ...

Page 21: ... R836 R838 C851 R849 C821 D802 R858 C841 C847 R860 C833 C842 R857 R856 R837 R835 C831 R832 C832 R833 C830 C873 C843 Q804 C822 R827 R826 1 2 3 4 5 6 7 8 9 10 11 12 CNP852 1 7 8 14 15 21 22 28 R880 B C E B C E 1 64 5 10 15 16 17 20 25 30 32 33 35 40 45 50 49 48 55 60 IC802 1 64 5 10 15 16 17 20 25 30 32 33 35 40 45 50 49 48 55 60 IC801 PICKUP UNIT CD MOTOR PWB E PICKUP IN 6 5 4 3 2 1 SLIDE MOTOR SPI...

Page 22: ...SW201 F SW201 E B B SW201 A SW201 B B B B FW CNP602 R433 3 3K 2 2K R441 C17 0 022 VC4 TC3 L3 AM BAR ANT TC4 L4 AM OSC VC3 C36 0 022 0 047 C235 0 047 C236 C351 560P CNW2 C35 1 50 R455 10K R457 1K R458 1K 1 R456 10K 1 50 C34 C33 1 50 R35 1 8K 0 0015 C28 C25 3 3 50 C27 3 3 50 VR1 6 8K T3 C20 0 022 CF2 R25 120 R6 820K C29 10 16 R5 330K R1 10 2 1 7 5 0 022 C32 0 022 C31 9 R7 390 C8 4P CH T2 3 9K R26 R2...

Page 23: ... A VR532 A 50K A SW501 A FUNCTION 8 7 6 5 4 3 2 CNS204 1 M SW606 MAIN T2 SW605 MAIN T1 SW608 T1 T2 MUTE 8 7 6 5 4 3 2 CNP204 1 B B B B FW602 P602 FUNCTION SW501 C B B B B B B B B B B SO651 FW651 2 CNS651 1 2 CNP651 1 BI651 RL104A D653 RL104A D652 RL104A D654 0 01 C652 0 01 C653 0 01 C654 RL104A D651 0 01 C651 C393 0 022 R601 2 7 4 4 3 2 2 CNP652 1 1 R461 68 SW351 BEAT CANCEL Q405 2SD2394 F R410 1 ...

Page 24: ...11 12 13 14 15 16 17 18 19 20 21 22 23 24 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 L1 CF3 AM IF 1 2 3 1 2 3 FW651 BATTERT SPRING 249 1 3 R577 R578 D653 D652 CNP652 C654 D654 T F T651 POWER TRANSFORMER C653 C652 D651 C651 1 2 CNP651 4 3 2 1 FW651 J551 CNP552 1 3 1 2 3 ROD ANNTENA 236 BK BATTERY DC 12V D size UM SUM 1 R20 or HP 2 battery X 8 AC 120V 60Hz AC INPUT SO651 HEADPHONES J551 L CH R CH SPEAKERS TE...

Page 25: ... R441 CFW1 C401 Q403 Q401 C404 C402 R402 R442 R401 R403 FW602 FW851 R455 Q404 C584 C583 FW652 1 2 BI651 C577 C588 C589 C407 C406 Q405 E C B Q554 Q551 Q552 IC501 D573 D572 C574 R576 R573 D501 C586 R570 R575 R574 C575 C573 C581 C568 B A R566 C579 C580 R582 C565 C566 R565 C567 R571 R572 C576 C570 C569 C571 R518 130 130C ONLY 130 130C ONLY 130 130C ONLY R517 C509 C561 C510 C562 D575 1 2 3 CNP603 D574 ...

Page 26: ...41 3 3 50 R742 1K 2 3 4 5 6 7 8 9 10 11 12 1 1 2 3 R741 3 3K R715 15K R714 10K R713 1K X701 4 19MHz C705 0 022 C704 100 10 R727 1K R734 1K R730 1K R733 1K R732 1K R731 1K R709 1K R711 2 7K R710 10K C702 0 022 R729 1K R728 1K R726 1K R724 R721 R720 R719 R718 R722 R723 R725 R716 10K 9 8 7 6 5 4 3 2 1 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 50 4...

Page 27: ...and 17 P20 DRF Input Output Used to receive 4 bits at a time 18 P21 SQOUT Input Output Used to receive 4 bits at a time 19 P22 WRQ Input Output Used to receive 4 bits at a time 20 P23 PU IN Input Output Used to receive 4 bits at a time 21 RESET Input Output Reset pulse input output terminal When a reset is caused by the watch dog timer an L level will be output The output is an N channel open drai...

Page 28: ... 80 20 Tubular type ceramic capacitor is identified by the symbol TV TQ CY of the part NO VC00TV TQ CY 0000000 this TV TQ CY does not mean the lead wire Tubular type ceramic capacitor is identified by the symbol MF MN of the part RESISTORS Unlessotherwisespecified resistorsare 5 carbontype Tubular type carbon film resistor 5 is identified the symbol TV TQ CY of the part No VRS TV TQ CY 0000000 thi...

Page 29: ...olytic C571 572 VCKYMN1HB102K J AA 0 001 µF 50V C573 574 RC GZA107AF1A J AB 100 µF 10V Electrolytic C575 RC GZA227AF1E J AB 220 µF 25V Electrolytic C576 VCKZPA1HF223Z J AA 0 022 µF 50V C577 92LCEU20W4700M J AH 4700µF 20V C579 580 RC GZA107AF1A J AB 100 µF 10V Electrolytic C581 582 RC QZA104AFYK J AB 0 1 µF 50V Mylar C583 584 RC GZS108AF1A J AC 1000 µF 10V Electrolytic C586 RC GZA474AF1H J AA 0 47 ...

Page 30: ...84J J AA 680 kohms 1 8W R241 VRD MN2BD123J J AA 12 kohms 1 8W R243 VRD MN2BD563J J AA 56 kohms 1 8W R250 VRD ST2EE101J J AA 100 ohm 1 4W R254 VRD MN2BD223J J AA 22 kohms 1 8W R262 VRD MN2BD472J J AA 4 7 kohms 1 8W R264 VRD MN2BD104J J AA 100 kohm 1 8W R265 VRD MN2BD472J J AA 4 7 kohms 1 8W R351 VRD MN2BD473J J AA 47 kohms 1 8W R352 VRD MN2BD104J J AA 100 kohm 1 8W R353 VRD MN2BD220J J AA 22 ohms 1...

Page 31: ...3R8R25 J AA Washer ø1 5 ø3 8 0 25mm M701 92LMTR1906CASY J AS Motor with Chassis Spin R834 VRD MN2BD102J J AA 1 kohm 1 8W R835 VRD MN2BD471J J AA 470 ohms 1 8W R836 837 VRD MN2BD473J J AA 47 kohms 1 8W R838 VRD MN2BD333J J AA 33 kohms 1 8W R839 840 VRD MN2BD223J J AA 22 kohms 1 8W R842 VRD ST2EE220J J AA 22 ohms 1 4W R849 VRD MN2BD104J J AA 100 kohm 1 8W R856 VRD MN2BD122J J AA 1 2 kohms 1 8W R857 ...

Page 32: ...ss y 30 30C 201 92LCAB2238AS1 J BD Front Cabinet Ass y 130 130C 201 1 Front Cabinet Not Replacement Item 202 GCABC1129AWSA J AX Top Cabinet 203 GCABB1129AWSA J AZ Rear Cabinet 130 203 GCABB1140AWSA J AZ Rear Cabinet 130C 30C 203 GCABB1143AWSA J AS Rear Cabinet 30 204 92LBSPR1401A J AC Spring Battery 205 GFTAB1001AWSA J AE Battery Lid 206 92LMEC2237CTS1 J AK Cassette Holder Ass y Tape 1 30 30C 206 ...

Page 33: ...GX CD30 30C 130 130C 5 M E M O ...

Page 34: ...GX CD30 30C 130 130C 6 M E M O ...

Page 35: ...GX CD30 30C 130 130C Figure 7 CD MECHANISM EXPLODED VIEW 306 1 701 304 701 302 301 702 702 303 M701 703x2 305x2 SW702 M702 305 PWB E 306 2 306 3 306 704 307 7 A B C D E F G H 1 2 3 4 5 6 ...

Page 36: ...N 18 TAPE 1 TAPE 2 21 64 46 12 71 66 47 50 38 55 24 30 33 25 42 506 72 504 SW605 509 504 58 504 35 15 27 53 67 69 22 19 4 64 46 12 71 66 47 505 50 13 64 45 21 38 24 55 23 32 30 33 31 25 29 28 42 506 40 35 504 51 SW606 509 52 504 27 58 504 17 14 67 69 20 10 70 1 508 508 M601 508 5 18 3 22 56 53 15 69 501x2 45 64 56 14 511 SW607 23 ...

Page 37: ... 606 615 246 611x3 605x2 605x2 606 239 612x3 606x3 202 209 606 606 250 606 606x3 615 613 613 617 606x2 218 205 204 203 241 Silicon Grease 249 229 230 216 216 207 206 217 217 207 1 206 1 206 2 207 2 210 231 608 232 614 616x2 616x2 247 220 222 223 224 225 226 227 228 220 213 221 x2 601 243 244 603x4 602x2 PWB A2 CD MECHANISM TAPE MECHANISM PWB D PWB A3 PWB A4 PWB A1 PWB B PWB C Q405 IC501 CNW2 251x2...

Page 38: ...GX CD30 30C 130 130C A B C D E F G H 1 2 3 4 5 6 Figure 10 SPEAKER BOX VIEW 10 703 704 SP3 L CH SP4 R CH SP1 L CH SP2 R CH WHITE LINE SP1 2 SP3 4 902x4 901x4 705 701 702 ...

Page 39: ...X CD130 ONLY OFF TONE CENTER Not Replaceable Items Left T O P FRONT Right Remote Control Polyethylene Bag Unit SSAKH0017AWZZ RRMCG0052AWSA 130 ONLY AC Power Supply Cord 92LCoRD1651A SPAKC0342AWZZ 130 SPAKC0346AWZZ 30 Polyethylene Bag Speaker Packing Add Unit Left RIght Packing Add Speaker Top Bottom Packing Case Feature Label Right Speaker Only Battery Lid Operation Manual TiNSE0115AWZZ 92LPOPLABE...

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