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Содержание GCD 1500 (AU)

Страница 1: ...Beit Drive AC bias 4 track 2 channel stereo 100 12 500 Hz 50 dB 0 1 5 WRMS 1 7 8 i p s 4 75 cmLsec Approx 120 sec C 60 2 channei stereo 44 1 kHz Duai 16 bit linear D A converters Optical 3 beam semiconductor iaser 20 20 000 Hz 94 dB 0 04 1 kHz Undetectable Ampiifier section Output power Graphic equaiizer Bass expander Output impedance Generai section Power requirements Power consumption Dimensions...

Страница 2: ...ints and set screws must not be touched How to prevent static during handling When replacing any of the parts disconnect the power plug from the unit being repaired All measuring instruments tools and repair equipment must be grounded Cover the work bench where the repair work will be done with a grounded electrically conductive sheet Ground the metal part of the soldering iron in order to safegua...

Страница 3: ... INSTRUCTIONS IONS INSTRUCTIONS FM Sweep Gen V Curve erator 10 7 MHz TP101 H FM Sweep IF 98 0 MHz Non Modulation S Curve Small Input TP102 E Generator u Tuning 2 Cover E 3 4 Tracking FM SG 66dB Vco 98 0 MHz Non FM ANT Counter Modulation TERMINAL TP204 H I TP203 E I T2202 1 3 l Tuner Out H L2 102 Max UR E VCT21 TP201 H SVR21 76 0 2kHz TP205 E Use IHF filter adjusted from 200 15000 Hz BPF Set the Mo...

Страница 4: ... TP102 T2201 T2203 mm L2103 0 g 02 d C23 P vc 2vc TP201 i 2 vg3 T2202 SVR21 m 2CASE 0 SW201 lip I F STRINGING POINTER SET POINTER END OF THE TAIL APPLY CEMEDINE 575 3 Ah 0 6 Yl 51021mm I Inner Dimension 1 A BOND k NOTE DIAL ROPE MUST NOT CROSS 4 NS 2 TURNS 3 ...

Страница 5: ...utput R ch SVR64 2 TAPE A L ch SVR502 1 R ct4fsvR601 TAPE B tiL c SVR501 I PLAY GA1 N ADJUSTMENT 0 SVROO1 I a CNOO Q nfT0T03Y5 SPEED TAPE SPEED ch TEST POINT ADJUSTMENT BIAS REC PLAY GAIN ADJUSTMENT ADJUSTMENT Tape Speed Adjustment Step Speed Deck Test Tape SVR Tape Counter Remarks 1 Normal TAPEA MTT lll N 3000 5Hz 2 Heigh TAPEA SVROO1 TCW 211 40 70Hz Memorize the tape speed on counter Confirm tha...

Страница 6: ...re Replacement of cartridge 1 Use the driver 2 Remove lead wires connected to terminal strip with soldering iron R R L L Replacement of stylus The diamond stylus of the Turntable can normally play for about 300 to 500 hours However when sound becomes noisy check the stylus for wear If worn out replace it Pull the stylus out from the cartridge Be careful not to touch the stylus tip when replacing t...

Страница 7: ... the gear CM12 in the direction of the arrow as far as it will go Align the disc tray 17 with the mechanism chassis CM39 6 Push the disc tray 17 toward the rear and interlock it L 7 3 1 1 2 L 3 4 5 with the tray drive gear CM I 2 as shown in Fig Secure it with the screw Yl O which was removed in step 1 Disassemblingthe mechanism Removing the pickup block Remove the disc tray 17 Refer to steps 1 2 ...

Страница 8: ...from or into the chassis CM50 wipe the damaged area with a cloth dipped in alcohol normal hexane IL and bond it together using a bonding agent L 45 3 1 2 Cemedine 575 e k J P Replacing the loading sled motor The loading sled motor CM38 can be removed from the 7 A chassis CM39 once the screw CM24 securing the motor CM38 is removed Mount the new loading sled motor CM38 onto the chassis CM39 using th...

Страница 9: ...gage the gear section of the tray slide CM15 with the inner gear of the tray gear CM6 at the center line as shown in the figure Align the tray move gear CM3 with the position 0 of the hole in the outer gear of the tray gear CM6 and engage the tray move gear CM3 as shown in the figure TRAY SLIDE CM6 Installing the base up down slide and timing gear Move the base up down slide CM14 in the direction ...

Страница 10: ... h l I CLUTCH INNER GEAR 84 w pJ _Jp p d CLUTCH cM9 OUTER GEAR n k w oca 1 As shown in the figure set the pickup CM52 at a position on the innermost circumference of the compact disc and pass the leads from the pickup CM52 and spindle motor CM48 through pin a of the chassis CM39 Arrange the leads from the loading sled motor CM38 and sensor switch micro switch CM26 by passing them through point b i...

Страница 11: ...1l Initial set Mechanical center 2 Tracking Balance Adjustment SVR11 1 Connect the oscilloscope to TPI 03 TE and TP104 5 Adjust SVR11 so that the TE Tracking Error signal GND waveform of TP103 on the oscilloscope is vertically sym 2 Turn on the power of the unit Insert test disc metrical relative to OV See figure as follows 3 Playback the test disc 4 Continuously press the forward ward search butt...

Страница 12: ...TRAY CLOSE COMPLETETHE STOP 1 BEGIN OF FOCUSSEARCH END OF FOCUSSEARCH i J 2 BEGIN OF TOC READ END OF TOC READ 3 NO INPUT THE DATA OF SUB Q I 4 COMPLETE THE TOC READ I Confirm the key input Display as follow to active indication with correspond the each key 1 2 3 4 Power on with simultaneously to ush the service mode P 6 Next push the MEMORY key OPEN CLOSE key and BACK SKI key PLAY Next push the OP...

Страница 13: ... EXPLODED VIEW CABINET Uwl l v Y4 H 4 Y1 Y 1 7 Yl 12 ...

Страница 14: ...ii EXPLODED VIEW CHASSIS am CyCy 1 13 m ...

Страница 15: ...E A 2EAR ASSY PANEL SIDE R PANEL SIDE L 5PRING WIRE LID CASSETTE CABINET BOTTOM BRACKET MECHA KNOB 4SSY FOOT LUG DECK PCB DRESS LEAD PANEL REAR SINGAPORE PANEL REAR MALAYSIA FIXER AC CORD BRACKET M CD MECHA TABLE LOADING CD TRAY ESCUTCHEON CD TRAY RUBBER CUSHION CD MECHA POINTER BRACKET M CD MECHA R BRACKET M CD MECHA L MOUNT M TUNER PCB ROPE O 3X11OOMM DRUM PULLEY SPRING COIL ROPE TUNING SHAFT AS...

Страница 16: ...35 200A DIODE DSF1OC DIOOE 1SR35 200A DIODE DSF1OC DIODE 1SR35 200A DIODE DSF1OC DIODE 1SR35 200A DIODE DSF1OC DIODE 1SR35 200A IC LA651O IC AN7812F IC L7812ML IC NJM7812FA IC UPC7812HF IC AN7812F IC L7812ML IC NJM7812FA IC UPC7812HF IC LA4270 IC LA3161 TR DTA123YS CARBON 2 2 JB l 4W FLAME PROOF CARBON 2 2 JB l 4W FLAME PROOF SWITCH PUSH DUB BEAT SW Ref No iRAPHIC Ref No 12 N911 N912 N914 N915 N91...

Страница 17: ...016 4084 PLUG HIGH SPEED 2P NO06 614 020 8849 SOCKET TAPE 0UT 3P NO07 614 020 6562 SOCKET MOTOR 4P NO08 614 020 6548 SOCKET STOP SW 2P NO09 614 223 0329 ASSY CONNECTOR S A MECHA 4P W LEAD NO1O 614 223 0336 ASSY CONNECTOR S B MECHA 7P W LEAD N717 614 017 2126 PLUG AMP1 5P N718 614 017 2164 PLUG AMP2 9P 001 407 007 9904 DIODE GMAO1 r 407 012 4406 DIODE 1SS133 002 407 007 9904 DIODE GMAO1 r 407 012 4...

Страница 18: ...C1815 GR TR 2SC945A K TR 2SC1740S S TR 2SC1815 GR TR 2SC945A K TR 2SC1740S S TR 2SC1815 GR TR 2SC945A K Ref No Part No Description Q602 405 011 8609 TR 2SC1740S S or 405 012 2002 TR 2SC1815 GR 405 020 7204 TR 2SC945A K 04 405 011 8609 TR 2SC1740S S or 405 012 2002 TR 2SC1815 GR 405 020 7204 TR 2SC945A K 05 405 011 8609 TR 2SC1740S S or 405 012 2002 TR 2SC1815 GR 405 020 7204 TR 2SC945A K 06 405 01...

Страница 19: ...01 IC102 IC104 IC105 Q101 Q102 Q105 Q106 Q107 SVR1l TP101 TP102 TP103 TP104 TP105 Xlol P C BOARDASSY Part No 614 240 7967 614 227 7935 614 017 3833 614 017 3826 614 227 7942 614 017 3871 409 245 4802 400 2470000 409 261 0406 409 285 0307 405 002 0308 405 014 4509 405 014 4509 405 014 4509 405 014 4509 614 223 1906 614 221 6839 614 227 6839 614 227 6839 614 227 6B39 614 227 6639 614 236 1818 Descri...

Страница 20: ...No P34 P35 P36 P37 P38 P39 P40 P41 P42 P43 I ASSY Part No 614 225 8231 614 225 8798 614 225 8675 614 225 9092 411 022 9900 614 225 8743 614 225 9061 614 225 8934 614 225 8736 614 226 1057 614 225 9115 614 001 7779 M x701s ML Description SPACER 45 ADAPTOR RING E 6 TURNTABLE GEAR CENTER GEAR SPECIAL WASHER TURNTABLE BELT FLAT SPECIAL WASHER LEVER TRIP POWL LEVER TRIP CLUTCH SPECIAL WASHER GEAR ASSY ...

Страница 21: ... EXPLODED CM CM VIEW CD MECHANISM CM1 CM28 Q CM 57 CM iM54 MoT0R 7 CH ...

Страница 22: ... GEAR TENSION GEAR TIMING SCR PAN SW 2X4 SLED MOTOR SWITCH LIMIT SWITCH TRAY OPEN SPRING PLATE CHUCKING SCR S TPG BRZ FLG 3X6 CHUCK BRACKET BRACKET M CHUCKING ASSY PULLEY Ref No ZM31 ZM32 M33 M34 M35 ZM36 ZM37 CM38 CM39 or CM40 CM41 CM42 CM43 CM44 CM49 CM50 CM51 CM52 or CM53 CM54 55 or CM56 CM57 Part No 411 022 7807 614 224 3176 411 022 7807 614 224 3183 614 233 6304 514 226 5536 411 020 9902 614 ...

Страница 23: ...EXPLODED M76 T VIEW TAPE MECHANISM M97 M52 1 M53 w 1 1 U I L ul pl J M72 u M40 pM85 Mel 8 M89 22 ...

Страница 24: ...LLER ARM ASSY LEVER SENSING LEVER PULLEY ASSY RF CLUTCH ASSY SQUARE BELT RF BELT FLYWHEEL ASSY FLYWHEEL ASSY FLYWHEEL DISK ASSY FLYWHEEL ASSY SPRING PLATE GEAR PLATE SPRING LEVER ASSY GEAR PLATE ASSY SEAR CAM GEAR GEAR FF GEAR SPRING COIL BACK TENSION SPRING REEL ASSY SUPPLY REEL ASSY REEL ASSY TAKE UP REEL ASSY LEVER SENSER BRACKET MOTOR MOTOR BRACKET CUSHION MOTOR RUBBER SPECIAL SCREW MOTOR COLL...

Страница 25: ...ck Jumo Pulse 57 PDO I Input of VCO Control Amplifier 58 PDO 1 Input of VCO Control Amplifier 59 Vcoc I VCO Control Amplifier Output 60 Vcoo o VCO OUtDUt JPO o I Track Jump Pulse Amplifier Output SLEQ I I Input for Sled Servo Eaualizer TDO o I Tracking Actuator Coil Driver Output FDO I O I Focus Actuator Coil Driver OutOut 61 I LF1 II Input of Low Pass Filter 62 CLK I I I Clock FD 1 Input for Focu...

Страница 26: ... prescribed number of track 1 4 16 64 Comply with command of track jump It oscillate kick Puke 17 TES I Jp Jr It jump the prescribed number of track 1 4 16 64 18 PCK o PCK Monitor 4 3218MHz SYNC FS of truth detected from EFM signal SYNC of 19 FSEQ o counter H Latch Output during In 1 frame 20 TOFF o Comply with command of track jump It oscillate kick Pulse 21 TGL o 22 THLD o JP JP_ It jump the pre...

Страница 27: ...SEGMENT SIGNAL 7 13 I SEG6 I o I CO SEGMENT SIGNAL 6 14 SEG5 o LCO SEGMENT SIGNAL 5 15 SEG4 o LCD SEGMENT SIGNAL 4 16 SEG3 o LCD SEGMENT SIGNAL 3 17 SEG2 o Lco SEGMENT SIGNAL 2 18 SEG1 o LCD S EGMENT SIGNAL 1 4 54 PF3 I NOT USEO 55 OPEN SW I OPEN SWITCH SIGNAL 56 LIMIT SW I LIMIT SWITCH SIGNAL 57 C STOP I CALL STOP PULSE SIGNAL LEVEL H 58 POWER I POWER ON SIGNAL H PULSE 59 CREC LEO o COMPUTER REC ...

Страница 28: ...rical Switch IC502 NPC1330HA 2 Channel Head Select Switch A A IC521 LA3220 Dual Pre Amp w internal ALC ALC O T l N2F C OUT DC 2 Vc c ALC ALC IN NF C OUT GNO IN OUT1l 1 IC551 CXAI 101 Dolby B Type Noise Reduction LINEIN PBIN REC PB LINEouT RECOUT m m I m 1 L ATT2 Sc DET ATT 1 1 LINEIN Vcc pB N ON OFF LINEouT RECouT i Ll ...

Страница 29: ...ILLATOR RF IN I MIXER u 1 BIAS g BIAS GNO IC202 LA1805 AM FM IF Detector MAIN AMP SECTION IC107 LA651O Dual Power Operational Amplifier IC900 901 AN7812F L7812ML NJM7812FA Vcc 3 Terminal Output Voltage Regulator OUT1 vOUT2 SENCE1 SENCE2 65 vEE WAKE UP DRNER I THERMAl PROTECTOR I A h GNO CWT 28 ...

Страница 30: ...I I 4 ExT ml KI LIJX AN 1 1 al 56 FM Vurs AM I J SWOl 1I Ill 7 ...

Страница 31: ...I A l s 3 I I M l I I I I 1I L _ _ _ _ _ J I a i 1 1 1 I 1 I I 1 4 1 t II I I I I I I 3 II 1 i 1 I 1 1 1 1 1 1 1 1 H rh4J 4 I m I JN3 c z I c 1 II 1 2 L r4 rlll 4 1 1 1 L L 1 1 1 1 1 I I m i L _ _ _ r 4 n PC ...

Страница 32: ... I I m m II II I I u 0 1 ...

Страница 33: ... z 6 I g I I w W 1 r III 1 k 1 I 1 1 1 1 I 1 m I I 11 121 Ill 1 I I I I II I I I I I I I E z 0 c r m z OZ m I L I I I XG 4 1 ...

Страница 34: ... n z 1 1 0 b 31 I w m I ii ...

Страница 35: ... I w w I I w 0 I 1 r 1 1 I 1 1 I L _ 1 i A I I I _ t i 1 ...

Страница 36: ... J W1 a t 1 I q w I i I I nn I I 3 m v n _ R L L _ cd ...

Страница 37: ...o 65 66 67 66 69 70 71 72 73 74 75 76 77 78 79 80 Stop Mcde o 0 5 0 0 0 2 0 2 0 0 2 0 4 6 4 9 4 7 4 9 0 0 0 Plav Mode o FIIX FIx Flue Flue Flue 0 Flue Flue Flue FIUC Fk 5 0 Fk Flue 0 IC102 LC6524 Meawdng Pin No 1 I 2 I 3 I 4 I 5 I 6 I 7 I 6 I 9 I 10 StoP Mode I o 0 lo 0 0 0 0 10 0 0 IC104 LC7861 E Flue Fluctuation Measuring Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 StoP Mode o 2 3 2 3 2 5 0 2 ...

Страница 38: ...30 31 32 2 0 3 3 1 7 0 0 4 9 0 2 0 2 3 4 9 an A 42 43 44 45 46 47 48 A 9 1 3 4 9 3 2 0 0 0 r 1 1 r Measuring Pin No 65 66 I 67 I 68 I 69 i 70 I 71 I 72 I 73 I 74 I 75 I 76 I 77 78 I 79 I 80 Stop Mode I 4 9 I 4 9 1 8 1 8 1 7 1 7 0 8 1 8 1 2 1 2 4 9 0 0 0 0 0 I TRANSISTOR nit Volt Transistor No Q101 Q102 Q104 Q105 Measuring Pin Name E c 8 E c B E c B E c B S1OP Mode 4 9 0 4 7 2 2 4 2 5 4 9 4 9 4 2 4...

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