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Marantz DR6050 series, Service Manual

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Marantz DR6050 series Service Manual Download Page 45

49

POS.

NO

VERS.

COLOR

PART NO.

(FOR PCS)

DESCRIPTION

PART NO.

(MJI)

    SY15    

   

   

   

     

   

4822 276 13732 PUSH SWITCH SKQNAE

SP01013310

   SY21   

  

H/5MM 160GF

  

   VX01   

9965 000 05916 DISPLAY UNIT FTD BJ727GNK

15GRID X 22ANODE

HQ31208410

    XY01    

4822 242 72066 SERAMIC VIB. CST8.0MHZ MT FQ08004010

    ZY01    

4822 130 11494 IR SENSOR RPM6936-V4

HW10004210

       

   

   

   

     

  

  

PY26-KEY CIRCUIT BOARD

  

    SY22    

4822 276 13732 PUSH SWITCH

SKQNAE H/5MM 160GF

SP01013310

    SY23    

4822 276 13732 PUSH SWITCH

SKQNAE H/5MM 160GF

SP01013310

       

   

   

   

     

  

  

PY36-ROTARY ENCODER
CIRCUIT BOARD

 

    SY26    

9965 000 05915 ROTARY SWITCH EC11B

WITH PUSH SW

SR03030030

       

   

   

   

     

  

  

PY46-LED CIRCUIT BOARD

  

    DY01    

4822 130 11569 L.E.D. HLMF-K200 #2UL RED

HI10005340

Summary of Contents for DR6050 series

Page 1: ...S SECTION PAGE MAIN UNIT 1 Servicing the DR6000 1 2 TECHNICAL SPECIFICATIONS 3 3 WARNINGS 4 4 SERVICE HINTS 5 5 SERVICE TOOLS 5 6 SIAGNOSTIC SOFTWARE 6 7 FAULTFINDING TREES 10 8 FAULTFINDING GUIDE 16...

Page 2: ...7 BRAZIL PHILIPS DA AMAZONIA IND ELET ITDA CENTRO DE INFORMACOES AO CEP 04698 970 SAO PAULO SP BRAZIL PHONE 0800 123123 Discagem Direta Gratuita FAX 55 11 534 8988 JAPAN Technical MARANTZ JAPAN INC 35...

Page 3: ...service policy will be discussed Consumer For Digital Audio Professional For General use Including PC P Playback R Recording Playback Recording and Disc Disc Player Recorder CD CDR CD RW SCMS Consume...

Page 4: ...2 2 Power Supply PCB This PCB contains the Power SW which is jointed the Power bottom on the front panel This PCB consists of power supply part The power suppluy part delivers the several voltages fo...

Page 5: ...4 kg AUDIO Frequency Response 20 Hz 20 kHz Playback S N 100 dB Playback Dynamic Range 96 dB Playback Total Harmonic Distortion 0 003 Recording S N 90 dB Recording Dynamic Range 92 dB Recording Total H...

Page 6: ...cal with those specified be used Safety components are marked by the symbol Le norme di sicurezza estigono che l apparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di...

Page 7: ...black spots and fingerprints SBC444A 4822 397 30245 Disc 65 min 1kHz without no pause 4822 397 30155 Max diameter disc 58 0 mm 4822 397 60141 Torx screwdrivers Set straight 4822 395 50145 Set square...

Page 8: ...echnical dealer will can perform the test Tests are executed automatically without need for external tools or disassembly of the unit This test checks the CDR main board using the same tests as the el...

Page 9: ...OR FAIL PASS OR FAIL PASS OR FAIL PASS OR FAIL PASS OR FAIL PASS OR FAIL Display DERRn n failed test Display next failed test ABORT TEST Press F FWD ABORT TEST Press F FWD ABORT TEST Press F FWD ABORT...

Page 10: ...hese tests determine if the CDR loader and the CD loader in case of a DR6050 w ork correctly A CD DA disc with a minimum of 3 tracks needs to be inserted in both loaders A disc test is executed to che...

Page 11: ...nitiated by pressing ERASE and RECORD simultaneously while switching on the unit The player will erase a complete CD RW disc including PMA and ATIP lead out area at speed N 2 The display shows the cou...

Page 12: ...NALS CLOCK SIGNAL 8MHz SUPPLY VOLTAGES ELECTRICAL SERVICE DIAGNOSTICS DISPLAY TEST KEYBOARD TEST POWER SUPPLY VOLTAGES ELECTRICAL SERVICE DIAGNOSTICS REPLACE CDR MODULE IF DERRn OR BERRn ERROR OCCURS...

Page 13: ...ROR OCCURS CHECK WIRING I O BOARD W651 CONNECTION FLEX CONNECTION 5V pin 8 conn JJ01 KILL TRANSISTORS QN51 QN54 AUDIO ANALOG OUT ELECTRICAL SERVICE DIAGNOSTICS REPLACE CDR MODULE IF DERRn OR BERRn ERR...

Page 14: ...CE DIAGNOSTICS REPLACE CDR MODULE IF DERRn OR BERRn ERROR OCCURS CHECK WIRING NO YES DISPLAY CD T O C INFO SEE CD DA DISC FAULT FINDING CHECK ELECTRICAL SERVICE DIAGNOSTICS REPLACE CDR MODULE IF DERRn...

Page 15: ...RICAL SERVICE DIAGNOSTICS REPLACE CDR MODULE IF DERRn OR BERRn ERROR OCCURS CHECK DISC DIRT SCRATCHES DAMAGED NO POWER SUPPLY VOLTAGES ELECTRICAL SERVICE DIAGNOSTICS REPLACE CDR MODULE IF DERRn OR BER...

Page 16: ...NOSTICS CD LOADER TRAY TEST CHECK TRAY MOTOR VOLTAGES TRAY TRAY MICROPROCESSOR 7202 CHECK TRAY MOTOR DRIVER IC7021 REPLACE OR REPAIR CD LOADER ASSY TRAY MOTOR ASSY 02 BELT 11 TRAY NO NO NO YES YES YES...

Page 17: ...6 11 2896MHz PIN 11 MUTE HIGH TESTPOINTS 23 24 ANALOG OUTPUT REPLACE DAC 7309 OPAMP 7120 TESTPOINTS 23 24 ANALOG OUTPUT POWER SUPPLY PIN 8 12V REPLACE OPAMP 7120 NO YES PLAYBACK CD MODULE OK DISTORTIO...

Page 18: ...nd segment scanning for the FTD generates the scanning grid for the key matrix input for remote control All the communication runs via the serial bus interface I2C The display controller uses an 8MHz...

Page 19: ...oltage Should measure 3 8V 10 VDC1 VDC2 between pins 1 3 and pins1 52 of the FTD VX01 Grid lines Level and timing of all grid lines G1 G15 can be checked either at the FTD itself or at the display con...

Page 20: ...thus the operation is identical to the ordinary keys Without being pressed pin 4 of the easy jog maintains the low level pin 5 the high level When pressed the scanning signal goes through the closed...

Page 21: ...conn JY01 5 I2C CLK at conn JY01 7 FTD DRIVE LINES Filament voltage 3V8 10 between pins 1 3 and pins 1 52 of the FTD VX01 Grid lines see test instructions Segment lines see test instructions ELECTRICA...

Page 22: ...t Overvoltage Protection OVP Current Sense Input Demag Detection Foldback Input 10 7 CT 8 9 6 5 11 12 Output Gnd VC VCC 3 4 2 14 13 15 1 16 CL 96532076_030 eps 290799 R832 R823 C825 C828 C826 C859 L85...

Page 23: ...ositive pulse going from a level between 0 7V and 3 7V up to a level higher than 3 7V The oscillator runs free when Pin 9 is connected to Gnd 10 CT The normal mode oscillator frequency is programmed b...

Page 24: ...auxiliary voltage now determines the Vcc voltage t3 Regulation The output voltage of the power supply is in regulation t4 Overload When the output is shorted the supply voltage of the circuit will dec...

Page 25: ...the transformer s secondary winding via the now conducting diodes electrolytic capacitors and the load This current is also ramp shaped but decreasing TimeDEAD phase when the stored energy has been su...

Page 26: ...ontrol IC on the primary side and a reference component D881 The TL431 D881 can be represented by two components a very stable and accurate reference diode a high gain amplifier Figure 8 17 TL 431 TL4...

Page 27: ...pply ticking Check start circuit and Vcc supply R823 R834 C829 D829 R829 R811 C811 Replace Q810 Power supply OK Power supply unit OK OK NOK NOK OK OK Check the path of the other faulty voltage s Power...

Page 28: ...0 Decoder Servo SAA7324 7000 Description The CD10 is a single chip combining the functions of a CD decoder digital servo and bitstream DAC The decoder servo part is based on the CD7 The decoding part...

Page 29: ...y connecting a hall motor to the application panel Apply a pulse of 1V 10Hz and 15 duty cycle to pin 22 Ec as input value with reference to pin 21 Ecr 2 5V Measure the output signals on the driver Thi...

Page 30: ...the load with TRAY pin 3 as positive reference Check also the levels of pins 19 and 20 of the processor U TRAY TRAY 100mV Pin 20 5V Pin 19 5V Force pin 20 of the processor to ground and check the volt...

Page 31: ...ND 2141 2n2 5VHF 5VHF 5VHF 5VHF HFGND 2130 100n HFGND HFGND 680p 2149 22n 2138 2137 HFGND 22n 3173 430R HFGND 47u 2161 HFGND 22n 2160 330p 2143 HFGND 22K 3181 HFGND 47n 2150 HFGND 2142 22n 2146 14 15...

Page 32: ...rate of the digital audio signal This can be 32 44 1 or 48kHz Normal polarity is low for a left sample and high for a right sample So within the low state of the WS line the data bits for the left ch...

Page 33: ...ator I2S signals to the DAC Pin 1 at 7309 SLCK Pin 2 at 7309 WCLK Pin 3 at 7309 DATA Connect also the SYSCLK pin 6 at position 7309 to a clock signal of 11 2896 MHz 100ppm Generate an I2S signal equiv...

Page 34: ...the loader PCB REMARK When replace the CDR module MAR775 to the new one It is necessary to add removed cables at same positions as follows WHITE side lead of capacitor 2424 PINK side lead of capacitor...

Page 35: ...ONE PCB PY36 ROTARY ENCODER PCB WY01 at conn F934of WY02 WY03 WY04 CDR main board 1 VDC2 1 KEY 1 KEY 1 STAND BY 2 VFTD 2 KEY 2 KEY 2 GND 3 VDC1 3 PULS 3 KEY 4 SYS RESET 4 PULS 5 IIC DATA 5 GND 6 GND 7...

Page 36: ...7702 DSA CDR DATA BUS ADDRESS BUS SUBCODE BUS I2S BUS 1 DOBM CDR I2S BUS 2 4 L3 BUS CODEC UDA1341TS ADC DAC 7406 DIGITAL AUDIO SIGNAL PROCESSOR MACE2 SAA7399 BASIC ENGINE PROCESSOR MAD0 MAD7 MA8 MA17...

Page 37: ...p 75 2SC2878A 2SC2878A 2SC2878A 2SC2878A 2 2K 2 2K 2 2K 2 2K CH 100p CH 100p 100k 100k 100 100 100 100 220 16V 5V 5V 5V VFTD 5V 5V 5V 5V 5V 5V 5V VFTD VFTD VFTD VFTD 5V 5V 5V 5V 5V 5V G12 G11 G10 G9 G...

Page 38: ...867 C864 C862 C857 C854 C852 C856 R814 R815 C820 C819 F820 S815 J851 R828 Q851 L831 Q801 D868 L862 R865 R864 R863 R862 Q862 Q861 R861 L861 L856 R802 C803 C804 R804 R805 R806 R807 C809 R809 C810 C814 R...

Page 39: ...D DIGOUT GND KILL T T R REC L REC R OUT L OUT R LCH GND RCH QN54 QN53 QN52 QN51 QN58 QN57 QG56 QN55 Q311 Q681 QF52 QF51 PP16 SY22 SY23 STORE MENU CANCEL DELETE PY26 WY03 WA386K103 0 PY26 SY26 EASY JOG...

Page 40: ...5 1 2 6 3 X8 M 5 1 2 8 3 X8 M 0 1 9 Gx 2 9 0 1 G 0 1 8 Gx 2 9 9 2 G U ONL Y 9 9 4 G UL L ABEL 9 9 0 G 0 0 1 M 5 1 2 8 3 X8 M 5 0 1 M 5 1 2 8 3 X4 U 0 4 0 G 5 1 2 8 3 X8 M 5 1 2 8 3 X4 U 0 4 0 G 0 4 3...

Page 41: ...06372 BADGE CD TEXT BL 386K251020 032B GOLD 9964 000 06401 BADGE CD TEXT GL 386K251120 037B BLACK 9965 000 05932 JOG KNOB BLK JOG KNOB BL 386K154010 037B GOLD 9964 000 05942 JOG KNOB GLD JOG KNOB GL...

Page 42: ...type Temp chara 2B4 50V Examples Capacity value 100 pF 101 1000 pF 102 10000 pF 103 470 pF 471 2200 pF 222 C 5 ELECTROLY CAP 6 FILM CAP 5 EA 10 Electrolytic capacitor One way lead type Tolerance 20 Ex...

Page 43: ...2 10102 RES 1k 5 1 6W GG05102160 R826 4822 116 82805 RES 1 5 1 6W GG05010160 R827 9965 000 06392 RES 1 5 5 1 6W GG05015160 R828 9965 000 06392 RES 1 5 5 1 6W GG05015160 R832 4822 053 10183 RES 18k 5 1...

Page 44: ...81A0 QN58 PP16 MISCELLANEOUS J301 4822 218 11487 OPT CONNECTOR GP1F32R OPTICAL RECIVER YJ15000150 J311 4822 290 81638 TERMINAL 14X14 RCA 1L1P YT02010790 J651 4822 265 31045 TERMINAL YKC21 3337 RCA YT0...

Page 45: ...72066 SERAMIC VIB CST8 0MHZ MT FQ08004010 ZY01 4822 130 11494 IR SENSOR RPM6936 V4 HW10004210 PY26 KEY CIRCUIT BOARD SY22 4822 276 13732 PUSH SWITCH SKQNAE H 5MM 160GF SP01013310 SY23 4822 276 13732 P...

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