GrundigCDP75 维修电路图、原理图.pdf

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1、Service Manual Sach-Nr./Part No. 72010-745.15 Service Manual Sicherheit Safety Sach-Nr./Part No. 72010-800.00 Zustzlich erforder- liche Unterlagen fr den Komplettservice: Additionally required Service Manuals for the Complete Service: SERVICE MANUAL CDP 75 CDP 110 CDP 75 (75.5074-1051 / G.DF 91-51)

2、CDP 110 (75.5075-1051 / G.DF 92-51) nderungen vorbehaltenPrinted in GermanyService Manual Sach-Nr. Subject to alterationVK 233 0795Service Manual Part No.72010-745.15 Allgemeiner Teil / General SectionCDP 75 / CDP 110 1 - 2GRUNDIG Service Es gelten die Vorschriften und Sicherheitshin- weise gem dem

3、Service Manual Sicherheit, Sach-Nummer 72010-800.00, sowie zustzlich die eventuell abweichenden, landesspezifischen Vorschriften! The regulations and safety instructions shall be valid as provided by the Safety Service Manual, part number 72010-800.00, as well as the respective national deviations.

4、Allgemeiner Teil Megerte / Memittel Beachten Sie bitte das GRUNDIG Metechnik-Programm, das Sie unter folgender Adresse erhalten: GRUNDIG electronics GmbH Wrzburger Str. 150 D-90766 Frth/Bay Tel. 0911/703-0, Fax 0911/703-4479 General Section Test Equipment / Aids Please note the Grundig Catalog “Test

5、 and Measuring Equipment” obtainable from: GRUNDIG electronics GmbH Wrzburger Str. 150 D-90766 Frth/Bay Tel. 0911/703-0, Fax 0911/703-4479 D Inhaltsverzeichnis Seite Allgemeiner Teil. 1 - 2 1 - 18 Megerte . 1 - 2 Technische Daten. 1 - 3 Servicehinweise. 1 - 3 Ausbauhinweise. 1 - 4 Bedienhinweise. 1

6、- 6 Servicetestprogramm. 1 - 12 Fehlersuchdiagramm . 1 - 15 Schaltplne und Druckplattenabbildungen. 2 - 1 2 - 14 Blockschaltbild . 2 - 1 Schaltplan Servo-Teil. 2 - 3 Schaltplan Signalverarbeitung und NF . 2 - 5 Schaltplan Stromversorgung und Bedienteil . 2 - 7 Abkrzungen der Signale . 2 - 9 Platinen

7、abbildung Bestckungsseite. 2 - 11 Platinenabbildung Ltseite . 2 - 13 Ersatzteillisten und Explosionszeichnung . 3 - 1 3 - 5 Explosionszeichnung . 3 - 1 Ersatzteilliste CDP 75 . 3 - 2 Ersatzteilliste CDP 110 . 3 - 4 GB Table of Contents Page General Section. 1 - 2 1 - 22 Test Equipment. 1 - 2 Technic

8、al Data . 1 - 3 Service Hints. 1 - 3 Disassembly Instructions . 1 - 4 Operating Hints . 1 - 9 Service Test Program . 1 - 12 Fault Finding Guide . 1 - 19 Circuit Diagrams and Layout of PCBs . 2 - 1 2 - 14 Block Diagram . 2 - 1 Circuit Diagram Servo Part . 2 - 3 Circuit Diagram Signal Processing Part

9、and Audio Part . 2 - 5 Circuit Diagram Supply and Control . 2 - 7 Abbreviations of Signals . 2 - 9 Layout of PCB Component Side. 2 - 11 Layout of PCB Solder Side . 2 - 13 Spare Parts Lists and Exploded View . 3 - 1 3 - 5 Exploded View . 3 - 1 Spare Parts List CDP 75 . 3 - 2 Spare Parts List CDP 110

10、. 3 - 4 CDP 75 / CDP 110Allgemeiner Teil / General Section GRUNDIG Service1 - 3 Technical Data General Dimensions (WxHxD) . 132x29.9x158mm Weight without batteries . 298g Shock resistance +X/-X direction .5G +Y/-Y direction .5G +Z/-Z direction .3.5G Headphone out (measured with 16 load) Max. output

11、power (THD=10%) .2x5mW (+1/-2dB) Frequency response (no load).20Hz-20kHz within 6dB S/N ratio (unw.).80dB (85dB typ.) THD (1mW, 1kHz) . 50dB (60dB typ.) Channel difference (-40dB) . 5dB Power supply modes Ext. DC-in socket .6.7V nom. (0.3V) Battery 4xLR6 . 6V nom. Accu 4xNiCad . 4.8V nom. Battery em

12、pty detection Battery weak level.3.8V nom. (200mV) Battery empty level .3.4V nom. (100mV) Current consumption (ext. DC=6.0V, w/o earphone) PLAY-mode . 200mA JUMP-mode . 470mA Stand-by . 40mA Current consumption (Battery=4.5V, w/o earphone) PLAY-mode . 230mA JUMP-mode . 500mA Stand-by . 8 hours (12 h

13、ours typ.) Accu 4xNiCad . 3.5 hours (4 hours typ.) Charge circuit Charge time for 80%. 3 hours typ. Charge current . 200mA 15% Laser Output power .5G +Y/-Y Richtung .5G +Z/-Z Richtung . 3,5G Kopfhrerausgang (gemessen bei 16 Last) max. Ausgangsleistung (Klirrfak.=10%) . 2x5mW (+1/-2dB) Frequenzgang (

14、ohne Last) . 20Hz-20kHz bei 6dB S/N (ungew.).80dB (85dB typ.) Klirrfaktor (1mW, 1kHz) . 50dB (60dB typ.) Kanalunterschied (-40dB). 5dB Stromversorgung Ext. DC-in Buchse .6,7V nom. (0,3V) 4xLR6. 6V nom. Akku 4xNiCad . 4,8V nom. Batterieanzeige Batterie schwach .3,8V nom. (200mV) Batterie leer . 3,4V

15、nom. (100mV) Stromaufnahme (ext. DC=6,0V, ohne Kopfhrer) PLAY. 200mA Tracksprung . 470mA Stand-by . 40mA Stromaufnahme (Batterie=4,5V, ohne Kopfhrer) PLAY. 230mA Tracksprung . 500mA Stand-by . 8 Std. (12 Std. typ.) Akku 4xNiCad .3,5 Std. (4 Std. typ.) Ladeschaltung Ladezeit fr 80% Ladung.3 Std. typ.

16、 Ladestrom . 200mA 15% Laser Leistung . 850 mVpp slide not moving TB=0.5s TB=0.5s TB=0.5sTB=0.5s TB=0.1s 1 555 6 7 8 7312 SCLK MUTE KILL LRCK SDAT 7300 TIMING CS4331 DUAL DAC TDA1308 DAC REF. SOURCE SIGMA/DELTA MODULATOR MUTE CONTROL DIGITAL DEEMPHASIS DAC SIGMA/DELTA MODULATOR 11.3MHz VOLUME 3300 H

17、EADPHONE 1350 right left UBS UBS L.P.F. L.P.F. UBS L.P.F. L.P.F. SERIAL INTERFACE versatile (3-state) motor output2 of signal processor; versatile (3-state) versatile output pin of signal processor versatile output pin of signal processor versatile output pin of signal processor (open drain) kill ou

18、tput; programmable (open drain) power-on reset enable input (active low) 4.2336MHz microprocessor clock output interface data I/O-line interface clock input line interface R/W and acknowledge input correction flag output (open drain) digital supply for internal logic of signal processor digital supp

19、ly for internal logic of signal processor TDA1301T DSIC2 (Digital Servo IC 2) Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Name RESET Laser On/Off Gnd VRH D1 D2 D3 Vref D4 R1 R2 VDD XTLR TS1 TS2 OTD CLO XTLO XTLI VDD GND Track Focus Slide SILD SICL SIDA VDD Directio

20、n P DSIC2 DSIC2 HF-preamp GND HF-preamp DSIC2 HF-preamp DSIC2 HF-preamp DSIC2 GND HF-preamp DSIC2 HF-preamp DSIC2 HF-preamp DSIC2 +3.5 GND GND DSIC2 P, SHOARMA not connected signal processor SHOARMA +3.5 GND DSIC2 Servo Driver DSIC2 Servo Driver DSIC2 Motor Driver P DSIC2 P DSIC2 P DSIC2 +3.5 Descri

21、ption reset input switches laser supply on/off ground (analog part) reference input for A/D converter unipolar current input (central diode signal input) unipolar current input (central diode signal input) unipolar current input (central diode signal input) reference input for A/D converter unipolar

22、 current input (central diode signal input) unipolar current input (satelite diode signal input) unipolar current input (satelite diode signal input) supply for DSIC2 (analog part) selection of oscillator gain test input 1 test input 2 off track detection clock output oscillator output oscillator in

23、put supply for DSIC2 (digital part) ground (digital part) radial actuator output focus actuator output slide output serial interface load serial interface clock serial interface data supply for DSIC2 (digital part) TDA1302 HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14

24、 15 16 17 18 19 20 21 22 23 24 Name O4 O6 O3 O1 O5 O2 LDon Vddl Vrfe Vrf HG LS C Adj GND Lo MI Vdd I2 I5 I1 I3 I6 I4 Direction HF-preamp DSIC2 HF-preamp DSIC2 HF-preamp DSIC2 HF-preamp DSIC2 HF-preamp DSIC2 HF-preamp DSIC2 DSIC2 HF-preamp laser power control HF-preamp HF-preamp signal processor not

25、connected GND signal processor HF-preamp GND HF-preamp laser diode monitor diode HF-preamp +3.5 GND diode array HF-preamp diode array HF-preamp diode array HF-preamp diode array HF-preamp diode array HF-preamp Description output of current amplifier 4 output of current amplifier 6 output of current

26、amplifier 3 output of current amplifier 1 output of current amplifier 5 output of current amplifier 2 control pin for switching the laser on/off laser supply voltage equalized output voltage of sum signal of amplifiers 1.4 unequalized output control pin for gain switch control pin for double speed s

27、witch (switches equalization) external capacitor (bandwidth of ALPC) reference input 0V supply, substrate connection current output to laser diode laser monitor diode input positive supply voltage photo detector input 2 (not used) photo detector input 5 (satellite) photo detector input 1 (central) p

28、hoto detector input 3 (central) photo detector input 6 (satellite) photo detector input 4 (central) 3103 303 3329 3 123456 123456 E D C B A E D C B A 0002 B 6 0004 A 5 0005 A 5 1250 B 1 1350 E 5 1400 C 6 1410 A 6 1411 A 6 1412 E 6 1413 E 6 1414 A 6 1415 A 5 1416 D 6 1417 D 6 1418 E 4 1430 E 5 1800 C

29、 4 1950 B 2 2270 B 5 2304 E 4 2305 E 4 2323 B 6 2324 B 6 2325 B 4 2326 B 5 2329 B 6 2330 B 6 2386 B 5 2402 C 5 2403 C 5 2404 D 6 2450 D 5 2451 D 5 2920 B 2 2921 B 2 2923 B 1 3272 B 4 3277 B 4 3290 B 3 3300 B 6 3301 E 4 3327 B 6 3329 B 6 3330 B 6 3332 B 5 3334 B 6 3361 B 6 3362 B 5 3363 B 5 3364 B 6

30、3403 C 6 3404 D 6 3405 C 5 3415 E 5 3451 D 5 3452 D 5 3453 D 5 3454 D 5 3455 D 5 3456 D 5 3457 C 5 3458 D 5 3495 E 5 5920 B 1 6401 C 5 6490 E 5 7274 B 4 7312 B 6 7401 D 5 7451 C 5 7452 D 5 SD-GND B 2 EXT. DC HEADPHONE DOOR-SWITCH + - VOLUME 1250 5950 5951 1950 2920 2921 2923 5920 1418 3290 3272 1350

31、 3495 6490 3415 3453 3454 3456 3301 HOLD-RES 1430 2304 2305 7451 7452 7274 3457 3458 6401 3405 3451 3452 1800 2403 2450 3332 NEXT CHARGE 2386 00040005 1415 2270 2325 2326 3277 UBS 6400 REPEAT SHUFFLE PROG 3455 1412 1413 1416 1417 2451 74013334 3403 3404 1400 2402 2404 PLAY PREV STOP 7312 3362 336333

32、64 3327 3329 3330 3361 2330 0002 1410 1411 1414 2323 2324 2329 3300 32 1 9 10 1 2 3 4 5 9 10 17 5950 B 1 5951 B 1 6400 D 6 Schaltplne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs 2 - 122 - 11 Schaltplne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs Druckplatt

33、e Ansicht Bestckungsseite PCB View of Component Side CDP 75 / CDP 110 GRUNDIG ServiceGRUNDIG Service CDP 75 / CDP 110 3103 303 3329 3 123456 123456 E D C B A E D C B A 2271 B 3 2272 B 5 2311 D 5 2312 D 5 2313 D 4 2314 E 4 2319 B 6 2320 B 5 2321 B 6 2322 B 5 2351 D 1 2392 E 5 2400 D 6 2401 D 5 2405 D 5 2490 D 6 2501 B 6 2800 C 4 2801 C 3 2802 D 3 2803 D 3 2804 C 3 2805 C 3 2806 C 3 2807 C 3