Onkyo CR-255 B Service Manual
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Onkyo CR-255 B Service Manual

Onkyo CR-255 B Service Manual

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CR-255(B/W/GR/R/LB)/255DAB(W)
MODEL
Black/White/Green/Red/LightBlue model
B WDC
B/W/GR/R/LB WMP
CD RECEIVER
120V AC, 60Hz
220-240V AC, 50/60Hz
Features
General
• CD tuner audio system with built-in iPod
®*1*2
iPhone
• Super Bass (S.Bass) function for deeper bass sounds
• Bass and treble tone controls
• Line input for external audio source
• Headphones jack
• Dimmable display
CR-255/255DAB
CR-255DAB:092013
RC-823S
®
/
dock
Ref. No. 4446-R5
CR-255:072013

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  • Page 1 CR-255/255DAB Ref. No. 4446-R5 CR-255:072013 CR-255DAB:092013 CD RECEIVER CR-255(B/W/GR/R/LB)/255DAB(W) MODEL RC-823S Black/White/Green/Red/LightBlue model B WDC 120V AC, 60Hz B/W/GR/R/LB WMP 220-240V AC, 50/60Hz Features General ® • CD tuner audio system with built-in iPod ®*1*2 iPhone dock • Super Bass (S.Bass) function for deeper bass sounds •...

  • Page 2: Service Procedures

    CR-255/255DAB Service Procedures - 1 WHEN REPLACING DECK [ When removing the Deck ] Before removing Pick Up PCB and MT PCB connector, the short circuit the position shown in Fig. 1 using a soldering iron. If you remove the Deck with no soldering, the Laser may be damaged. [ When installing the Deck ] Remove all the soldering on the short circuit position after the connection of Pick Up PCB and MT PCB connector.

  • Page 3: Disc Removal Method At No Power Supply

    CR-255/255DAB Service Procedures - 2 DISC REMOVAL METHOD AT NO POWER SUPPLY 1. Slide the Rack Loading (White) toward the arrow direction by using a minus driver to release the lock. (Refer to Fig. 1) 2. Manually open the Tray. NOTE: Please strongly pushing Rack Loading (White) to release the lock because the tray doesn't go out easily.

  • Page 4: About Lead Free Solder (Pbf)

    CR-255/255DAB Service Procedures - 3 ABOUT LEAD FREE SOLDER (PbF) Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF printing on the PCB. (Please refer to figures.) Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 86 F~104 F(30...

  • Page 5: Service Procedure

    CR-255/255DAB Service Procedure - 4 Special feature for multi press the buttons To factory default preference values While holding down the [stop] button, press the [ON/STANDBY] button. To view the version of the VFD *CD microcomputer software version *System Maicon software version While holding down the CD receiver’s [TRACK DOWN] button, press the [INPUT] button.
  • Page 6 CR-255/255DAB Service Procedure - 5 Initial setting values list for each destination are the following. USA/CANADA CHINA JAPAN EU(DAB) INPUT REPEAT SHUFFLE DIMMER TIME : -- -- : -- -- : -- -- : -- -- : -- TIMER SET : -- -- : -- -- : --...
  • Page 7 CR-255/255DAB TROUBLESHOOTING GUIDE - 1 TROUBLESHOOTING GUIDE No sound from HEADPHONE of CD, USB, iPod, TUNER, BLUETOOTH and LINE. Check connecting Connect to the CP2002 CD8051. CD8051 on CP2002. And check J8051 around the circuit. The 6PIN and 10PIN of Check IC7011and around the IC7011 has audio wave.

  • Page 8: Troubleshooting Guide

    CR-255/255DAB TROUBLESHOOTING GUIDE - 2 TROUBLESHOOTING GUIDE No sound from SPEAKER OUT of CD, USB, iPod, TUNER, BLUETOOTH and LINE. Audio Signal(SPEAKER Check connection of speaker wire OUT L/R +/-) comes out on joining J2002 and SPEAKER 1PIN/2PIN/3PIN/4PIN of together. J2002.
  • Page 9 CR-255/255DAB TROUBLESHOOTING GUIDE - 3 TROUBLESHOOTING GUIDE VFD is not bright. Check the voltage of The voltage of 3PIN of Check Q1707 and around "VFD_POW", is 3.3V. T1701 is 16.5V. circuits. The voltage of [AT3.3V], [AT3.3VU] is 3.3V. Change F1701. The voltage of 48PIN of CORD CONNECTOR IC6001 is -28V.

  • Page 10: Power Does Not Turn On

    CR-255/255DAB TROUBLESHOOTING GUIDE - 4 TROUBLESHOOTING GUIDE POWER DOES NOT TURN ON The voltage of [AT3.3V], Check IC1715 and around circuits. [AT3.3VU] is 3.3V. Check the voltage of "POWER_FAIL". X3001, X3002 does an Check X3001,X3002,IC3001 oscillation. and around circuits. Check IC1715 and around circuits. Check the voltage of "POWER_FAIL".
  • Page 11 CR-255/255DAB TROUBLESHOOTING GUIDE - 5 TROUBLESHOOTING GUIDE CD LOADER does not accept TRAY OPEN/CLOSE. The voltage of [AT3.3V], Check IC1715 and around circuits. [AT3.3VU] is 3.3V. Check the voltage of "POWER_FAIL". FFC joining by CD LOADER Check connection of FFC connecting and MAIN board CD LOADER and an MAIN board is connected surely.

  • Page 12: Firmware Update

    4. To exit from check version, press [ON/STANDBY] button to put the unit into the Standby mode. Preparation [Making of Update disc] 1. Download the firmware file from the Onkyo FTP-server. (However European service partners should download the firmware file from the ExtraNet.) Onkyo FTP-server: ftp://manex.onkyo.co.jp/_servicefwa/CR255_255DAB_CRU3LT ID and Password are those we informed when changed.
  • Page 13 CR-255/255DAB FIRMWARE UPDATE - 2 CD / iPod Dock section Procedure Note Be sure to do Factory Initialization when the updating finishes. 1. Turn on the unit and switch to CD mode. 2. Open the disc tray. 3. Set the Update disc. 4.
  • Page 14 CR-255/255DAB EXPLODED VIEW - 1 PCBF40 PCB270 (MAIN PCB ASS'Y ) (OPERATION PCB ASS'Y ) 102C PCB240 (POWER PCB ASS'Y ) PCB260 102D (FRONT JACK PCB ASS'Y ) PCBDP0 (DISPLAY PCB ASS'Y ) DVD MECHA ASS'Y 101D 101D PCB280 101D (OPERATION 2 PCB ASS'Y ) 101N 101A...

  • Page 15: Exploded View

    CR-255/255DAB EXPLODED VIEW - 2 DECK EXPLODED VIEW DVD DECK REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION 92P100207A CLAMPER GEAR MOTOR 92P100203A GEAR MIDDLE 92P100202A 92P300042A SPRING CLAMPER INSULATOR(R) 92P200028A 92AAA0025A LOADER SUB ASS'Y GEAR PULLEY 92P100208A PULLEY,MOTOR 92P100097A GEAR MAIN 92P100209A BELT LOADING...

  • Page 16: Block Diagram

    SI4731(for USA) SUBWOOFER IC7011 IC7004 IC2005 BIAS BIAS Audio-DAC PREOUT OPEAMP PRE-AMP WM8521 ANT IN AZ4558C AZ4558C S3.3V S3.3V ONKYO Specification 1.2V PCM1742KE IC7003 BIAS Speaker Speaker IC2004 J8051 DC BIAS CP5001 AUX_L/R AZ4558C OPEAMP HEADPHONE AM CONNECTOR J5001 S3.3V S3.3V...

  • Page 17: Power Block Diagram

    CR-255WDC Schematic Diagrams - 2 POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM SYS_POW-H POWER_FAIL VFD_POW VFD_POW SYS_POW-H SYS_POW-H BT_POW-H CD_POWER-H USB_VBUS_EN USB_VBUS_EN STBY-H_USB IPOD_VBUS_EN IPOD_VBUS_EN STBY-H_IPOD...

  • Page 18: Interconnection Diagram

    CR-255WDC Schematic Diagrams - 3 INTERCONNECTION DIAGRAM CP2301 PICK-UP FOCS DRV J2002 FOCS RTN SPEAKER OUT JACK TRKG DRV J7002 AC CORD TRKG RTN AUDIO IN CD501 VR780(CD) 0S1J9804 VR COM VR650(DVD) LD_CD(780) LD_DVD(650) SIGNAL_GND SIGNAL_GND J501 SIGNAL_POW SIGNAL_POW AC INLET SIGNAL_POW SIGNAL_POW SW1(DVD/CD)

  • Page 19: Sdram Schematic Diagram

    CR-255WDC Schematic Diagrams - 4 SDRAM SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO MPEG SDRAM SFLASH_CK SFLASH_CK M12L64164A-5TG2M SFLASH_CS SFLASH_CS IC4002 SFLASH_DI SPI FLASH SFLASH_DI SFLASH_DO 3.31 C4002 EN25Q80A-100HIP SFLASH_DO IC4003 0.1 B 3.12 3.19 1005 3.22 3.31 C4001 DQM0 DQ15 SFLASH_CS DQM0...
  • Page 20 CR-255WDC Schematic Diagrams - 5 Sub Micon SCHEMATIC DIAGRAM AUTHEN SW Q3003 RZM001P02T2L AUTHENTICATION IC ( MAIN PCB ) IC3006 MFI337S3959 AUTHEN SW Q3001 KRC101S-RTK FROM/TO REGULATOR VFD制御 LINE AT3.3VU AT3.3VU AT3.3V AT3.3V SYS_POW-H SYS_POW-H RESET IC CD_POWER-H CD_POWER-H JG3032 R3112N291A-TR-FA BT_POW-H BT_POW-H...

  • Page 21: Mpeg Schematic Diagram

    CR-255WDC Schematic Diagrams - 6 MPEG SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO REGULATOR2 JG4007 JG4008 from/to FLASH CVBS D1.25V D1.25V D3.3V D3.3V D3.3V D3.3VA D3.3VA C4025 0.1 B D1.25V FROM/TO SUB MICON CD_RESET CD_RESET CD_SCL_MCU CD_SCL_MCU CD_SDA_MCU CD_SDA_MCU MCU_IRQ_CD MCU_IRQ_CD REMOCON MA10...
  • Page 22 CR-255WDC Schematic Diagrams - 7 MOTOR DRIVER SCHEMATIC DIAGRAM C2314 0.1 B ( MAIN PCB ) C2315 6.3V100 M7 from/to OPU (DM-5) C2313 0.1 B C2312 10 B 2125 JG2001 JG2026 JG2002 JG2028 JG2003 JG2004 R2317 4.7 1/16W 1005 D3.3V R2318 4.7 1/16W 1005 JG2005...
  • Page 23 CR-255WDC Schematic Diagrams - 8 AUDIO DSP/AMP SCHEMATIC DIAGRAM ATTENTION LES PIECES REPAREES PAR UN ETANT DANGERUSES AN POINT DE VUE SECURITE ( MAIN PCB ) N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES. CAUTION SINCE THESE PARTS MARKED BY CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY.
  • Page 24 CR-255WDC Schematic Diagrams - 9 AUDIO SW SCHEMATIC DIAGRAM AUDIO ADC C7042 IC7002 AK5358A from/to AUDIO DSP/AMP 330P CH 1005 C7049 R7054 R7009 R7045 R7046 AUX_L C7043 C7027 2.50 10 B 10K 1/16W 330 1/16W 3.3K 1/16W 62K 1/16W +-1% AINR CKS0 R7049...
  • Page 25 CR-255WDC Schematic Diagrams - 10 iPod CTL/I2S SW SCHEMATIC DIAGRAM ( MAIN PCB ) I2S_SW1 Function (SELECT) iPod_AUDIO from/to AUDIO DSP/AMP CD_AUDIO I2S SW IC7007 TC74VHC157FT(ELK,M SW_BCK SW_BCK SW_LRCK SELECT SW_LRCK FROM/TO REGULATOR2 SW_DATA SW_DATA S3.3V S3.3V W802 S3.3V 1608 W903 R7086 1005...

  • Page 26: Tuner/Jack Schematic Diagram

    CR-255WDC Schematic Diagrams - 11 TUNER/JACK SCHEMATIC DIAGRAM ( MAIN PCB ) ( FM/AM TUNER & AUX IN[L/R] ) from/to Sub Micon MCU_RESET_TUNER MCU_RESET_TUNER MCU_SCL_TUNER MCU_SCL_TUNER MCU_SDA_TUNER MCU_SDA_TUNER ( FM / AM TUNER) R5033 MCU_RESET_TUNER from/to Audio SW 330 1/16W 1005 AUX_L R5037 AUX_L...

  • Page 27: Regulator Schematic Diagram

    CR-255WDC Schematic Diagrams - 12 REGULATOR SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO SUB MICON BACK UP POWER SW AT+3.3V DC/DC Converter AT+3.3VU Gate Circuit AT3.3VU C1814 L1706 for S3.3V/S5V/BT+3V (6.0V 0.31A) DC/DC CONVERTER AT3.3VU AT3.3V AT3.3V AT3.3V SYS_POW-H 0.1 B 1005 10uH SYS_POW-H L1709...
  • Page 28 CR-255WDC Schematic Diagrams - 13 REGULATOR2 SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO SDRAM D3.3V D3.3V FROM/TO SUB MICON S3.3V S3.3V FROM/TO MPEG FROM/TO REGURATOR D1.25V D1.25V D3.3V D3.3V D3.3VA D3.3VA A+6V D6VS FROM/TO MOTOR DRIVER S3.3V S1.8V D3.3V C1790 D3.3V 10 B 2125...
  • Page 29 CR-255WDC Schematic Diagrams - 14 VFD POWER SCHEMATIC DIAGRAM ( MAIN PCB ) ← 1　 `6pin From/to DISPLAY PCB D1723 LMBD3004SLT1G T1701 L1714 F1701 L1708 ← 7　 `11pin SW+16V TR1209CA-581 From/to FRONT JACK PCB 4.7uH_TZSS3015FC 1206FA1A-T 1MH_TZSH7040CA 16.9 16.9 5 @BGA_p @BGA_p A2001WV-11A FROM/TO SUB MICON...
  • Page 30 CR-255WDC Schematic Diagrams - 15 IPOD/USB SW SCHEMATIC DIAGRAM ( MAIN PCB ) differential 90 ohm differential 90 ohm FROM/TO SUB MICON AMP_DP/DM_EN From/to FRONT JACK PCB AMP_DP/DM_EN AMP_DP/DM_SW AMP_DP/DM_SW MPEG_DP/DM_EN MPEG_DP/DM_EN DOCK_DET_EN DOCK_DET_EN DOCK_CHG_ON DOCK_CHG_ON DOCK_IN_DET 4pin L=270mm DOCK_IN_DET DOCK_VBUS_ON CD6602 N2242701 DOCK_VBUS_ON...
  • Page 31 CR-255WDC Schematic Diagrams - 16 AUDIO DAC SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO REGURATOR POWER_FAIL POWER_FAIL AT3.3V AT3.3V C2043 R2118 FROM/TO REGURATOR2 HP_L 16V470 MHE_P 33 1/16W 1608 S3.3V S3.3V D3.3V D3.3V R2046 R2064 C2033 R2036 R2041 R2042 11K 1/16W 1005 18K 1/16W R2093 1005...

  • Page 32: Display Schematic Diagram

    CR-255WDC Schematic Diagrams - 17 DISPLAY SCHEMATIC DIAGRAM ( DISPLAY PCB ) VFD(　 \示管 ) V6001 14-ST-56GNK B6001 from/to MAIN PCB AT3.3V C6012 FCM1608KF-102T02 1608 VFD-28V 1608 VFD-28V VFD-28V COM2 -26.9 -26.9 SEG20 OS6002 C6010 S-R531F-H451-B COM3 -26.9 -26.9 SEG19 0.1 B1005 COM4 -26.9...
  • Page 33 CR-255WDC Schematic Diagrams - 18 HEADPHONE JACK/USB CONNECTOR SCHEMATIC DIAGRAM FROM/TO MAIN PCB ( JACK PCB ) CP6651 CP6654 A2001WR-4A W967 1608 UA91-04011B100-R USB CONNECTOR W954 W968 1608 Signal_GND 1608 FRONT_DP FRONT_DM Field_GND VBUS W965 1608 CHARGE SW Q6651 Color is Black CD6602 W950 W966...

  • Page 34: Power Schematic Diagram

    CR-255WDC Schematic Diagrams - 19 POWER SCHEMATIC DIAGRAM (POWER PCB) SH501 YQ-36 CHASSIS GND CHASSIS GND T2.5A L250V F501 392_1250_0440 D513 D507 FCF10A20 D3SB80-7101 L502 R517 SOUND+B 10uH 0.22 1W T2.5A L250V (FRD/200V/10A) AC INLET J501 TH501 CCT2302-1372FC D514 FCF10A20 B57153S0479A001 FROM/TO MAIN COIL,LINE FILTER...

  • Page 35: Operation Pcb

    CR-255WDC Schematic Diagrams - 20 OPERATION/USB SCHEMATIC DIAGRAM (OPERATION PCB) OPERATION PCB 2 OPERATION PCB 1 FROM/TO MAIN W805 FROM/TO MAIN CP601 (CD3001) A2001WR2-2P KEY_C CP651 (CD3001) A2001WR2-3P R651 R652 R653 KEY_A R654 R655 R656 KEY_B 1/16W 1/16W 1/16W 10K 1/16W +-1% +-1% +-1% +-1%...
  • Page 36 CR-255WDC Schematic Diagrams - 21 WAVEFORMS SUB MICON AUDIO DSP/AMP TUNER/JACK 20nS 500uS 500uS 500mV 500mV 10uS 500uS 500uS 500mV 500mV MPEG DISPLAY 10nS 500uS 200mV I POD CONTROLLER/USB SW HEADPHONE JACK/USB CONNECTOR 20nS 500uS 500uS 500mV 200mV AUDIO DSP/AMP AUDIO SW 50nS 50nS...

  • Page 37: Block Diagram

    SI4731(for USA) SUBWOOFER IC7011 IC7004 IC2005 BIAS BIAS Audio-DAC PREOUT OPEAMP PRE-AMP WM8521 ANT IN AZ4558C AZ4558C S3.3V S3.3V ONKYO Specification 1.2V PCM1742KE IC7003 BIAS Speaker Speaker IC2004 J8051 DC BIAS CP5001 AUX_L/R AZ4558C OPEAMP HEADPHONE AM CONNECTOR J5001 S3.3V S3.3V...

  • Page 38: Power Block Diagram

    CR-255WMP Schematic Diagrams - 2 POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM SYS_POW-H POWER_FAIL VFD_POW VFD_POW SYS_POW-H SYS_POW-H BT_POW-H CD_POWER-H USB_VBUS_EN USB_VBUS_EN STBY-H_USB IPOD_VBUS_EN IPOD_VBUS_EN STBY-H_IPOD...

  • Page 39: Interconnection Diagram

    CR-255WMP Schematic Diagrams - 3 INTERCONNECTION DIAGRAM CP2301 PICK-UP FOCS DRV J2002 FOCS RTN SPEAKER OUT JACK TRKG DRV J7002 AC CORD TRKG RTN AUDIO IN CD501 VR780(CD) 0S1J9804 VR COM VR650(DVD) LD_CD(780) LD_DVD(650) SIGNAL_GND SIGNAL_GND J501 SIGNAL_POW SIGNAL_POW AC INLET SIGNAL_POW SIGNAL_POW SW1(DVD/CD)

  • Page 40: Sdram Schematic Diagram

    CR-255WMP Schematic Diagrams - 4 SDRAM SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO MPEG SDRAM SFLASH_CK SFLASH_CK M12L64164A-5TG2M SFLASH_CS SFLASH_CS IC4002 SFLASH_DI SPI FLASH SFLASH_DI SFLASH_DO 3.31 C4002 EN25Q80A-100HIP SFLASH_DO IC4003 0.1 B 3.12 3.19 1005 3.22 3.31 C4001 DQM0 DQ15 SFLASH_CS DQM0...
  • Page 41 CR-255WMP Schematic Diagrams - 5 Sub Micon SCHEMATIC DIAGRAM AUTHEN SW Q3003 RZM001P02T2L AUTHENTICATION IC ( MAIN PCB ) IC3006 MFI337S3959 AUTHEN SW Q3001 KRC101S-RTK FROM/TO REGULATOR VFD制御 LINE AT3.3VU AT3.3VU AT3.3V AT3.3V SYS_POW-H SYS_POW-H RESET IC CD_POWER-H CD_POWER-H JG3032 R3112N291A-TR-FA BT_POW-H BT_POW-H...

  • Page 42: Mpeg Schematic Diagram

    CR-255WMP Schematic Diagrams - 6 MPEG SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO REGULATOR2 JG4007 JG4008 from/to FLASH CVBS D1.25V D1.25V D3.3V D3.3V D3.3V D3.3VA D3.3VA C4025 0.1 B D1.25V FROM/TO SUB MICON CD_RESET CD_RESET CD_SCL_MCU CD_SCL_MCU CD_SDA_MCU CD_SDA_MCU MCU_IRQ_CD MCU_IRQ_CD REMOCON MA10...
  • Page 43 CR-255WMP Schematic Diagrams - 7 MOTOR DRIVER SCHEMATIC DIAGRAM C2314 0.1 B ( MAIN PCB ) C2315 6.3V100 M7 from/to OPU (DM-5) C2313 0.1 B C2312 10 B 2125 JG2001 JG2026 JG2002 JG2028 JG2003 JG2004 R2317 4.7 1/16W 1005 D3.3V R2318 4.7 1/16W 1005 JG2005...
  • Page 44 CR-255WMP Schematic Diagrams - 8 AUDIO DSP/AMP SCHEMATIC DIAGRAM ATTENTION LES PIECES REPAREES PAR UN ETANT DANGERUSES AN POINT DE VUE SECURITE ( MAIN PCB ) N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES. CAUTION SINCE THESE PARTS MARKED BY CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY.
  • Page 45 CR-255WMP Schematic Diagrams - 9 AUDIO SW SCHEMATIC DIAGRAM AUDIO ADC C7042 IC7002 AK5358A from/to AUDIO DSP/AMP 330P CH 1005 C7049 R7054 R7009 R7045 R7046 AUX_L C7043 C7027 2.50 10 B 10K 1/16W 330 1/16W 3.3K 1/16W 62K 1/16W +-1% AINR CKS0 R7049...
  • Page 46 CR-255WMP Schematic Diagrams - 10 iPod CTL/I2S SW SCHEMATIC DIAGRAM ( MAIN PCB ) I2S_SW1 Function (SELECT) iPod_AUDIO from/to AUDIO DSP/AMP CD_AUDIO I2S SW IC7007 TC74VHC157FT(ELK,M SW_BCK SW_BCK SW_LRCK SELECT SW_LRCK FROM/TO REGULATOR2 SW_DATA SW_DATA S3.3V S3.3V W802 S3.3V 1608 W903 R7086 1005...

  • Page 47: Tuner/Jack Schematic Diagram

    CR-255WMP Schematic Diagrams - 11 TUNER/JACK SCHEMATIC DIAGRAM ( MAIN PCB ) ( FM/AM TUNER & AUX IN[L/R] ) from/to Sub Micon MCU_RESET_TUNER MCU_RESET_TUNER MCU_SCL_TUNER MCU_SCL_TUNER MCU_SDA_TUNER MCU_SDA_TUNER ( FM / AM TUNER) R5033 MCU_RESET_TUNER from/to Audio SW 330 1/16W 1005 AUX_L R5037 AUX_L...

  • Page 48: Regulator Schematic Diagram

    CR-255WMP Schematic Diagrams - 12 REGULATOR SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO SUB MICON BACK UP POWER SW AT+3.3V DC/DC Converter AT+3.3VU Gate Circuit AT3.3VU C1814 L1706 for S3.3V/S5V/BT+3V (6.0V 0.31A) DC/DC CONVERTER AT3.3VU AT3.3V AT3.3V AT3.3V SYS_POW-H 0.1 B 1005 10uH SYS_POW-H L1709...
  • Page 49 CR-255WMP Schematic Diagrams - 13 REGULATOR2 SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO SDRAM D3.3V D3.3V FROM/TO SUB MICON S3.3V S3.3V FROM/TO MPEG FROM/TO REGURATOR D1.25V D1.25V D3.3V D3.3V D3.3VA D3.3VA A+6V D6VS FROM/TO MOTOR DRIVER S3.3V S1.8V D3.3V C1790 D3.3V 10 B 2125...
  • Page 50 CR-255WMP Schematic Diagrams - 14 VFD POWER SCHEMATIC DIAGRAM ( MAIN PCB ) ← 1　 `6pin From/to DISPLAY PCB D1723 LMBD3004SLT1G T1701 L1714 F1701 L1708 ← 7　 `11pin SW+16V TR1209CA-581 From/to FRONT JACK PCB 4.7uH_TZSS3015FC 1206FA1A-T 1MH_TZSH7040CA 16.9 16.9 5 @BGA_p @BGA_p A2001WV-11A FROM/TO SUB MICON...
  • Page 51 CR-255WMP Schematic Diagrams - 15 IPOD/USB SW SCHEMATIC DIAGRAM ( MAIN PCB ) differential 90 ohm differential 90 ohm FROM/TO SUB MICON AMP_DP/DM_EN From/to FRONT JACK PCB AMP_DP/DM_EN AMP_DP/DM_SW AMP_DP/DM_SW MPEG_DP/DM_EN MPEG_DP/DM_EN DOCK_DET_EN DOCK_DET_EN DOCK_CHG_ON DOCK_CHG_ON DOCK_IN_DET 4pin L=270mm DOCK_IN_DET DOCK_VBUS_ON CD6602 N2242701 DOCK_VBUS_ON...
  • Page 52 CR-255WMP Schematic Diagrams - 16 AUDIO DAC SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO REGURATOR POWER_FAIL POWER_FAIL AT3.3V AT3.3V C2043 R2118 FROM/TO REGURATOR2 HP_L 16V470 MHE_P 33 1/16W 1608 S3.3V S3.3V D3.3V D3.3V R2046 R2064 C2033 R2036 R2041 R2042 11K 1/16W 1005 18K 1/16W R2093 1005...

  • Page 53: Display Schematic Diagram

    CR-255WMP Schematic Diagrams - 17 DISPLAY SCHEMATIC DIAGRAM ( DISPLAY PCB ) VFD(　 \示管 ) V6001 14-ST-56GNK B6001 from/to MAIN PCB AT3.3V FCM1608KF-102T02 1608 VFD-28V C6012 VFD-28V VFD-28V COM2 -26.9 -26.9 SEG20 1608 OS6002 C6010 S-R531F-H451-B COM3 -26.9 -26.9 SEG19 0.1 B1005 COM4 -26.9...
  • Page 54 CR-255WMP Schematic Diagrams - 18 HEADPHONE JACK/USB CONNECTOR SCHEMATIC DIAGRAM FROM/TO MAIN PCB ( JACK PCB ) CP6651 CP6654 A2001WR-4A W967 1608 UA91-04011B100-R USB CONNECTOR W954 W968 1608 Signal_GND 1608 FRONT_DP FRONT_DM Field_GND VBUS W965 1608 CHARGE SW Q6651 Color is Black CD6602 W950 CHARGE SW...

  • Page 55: Power Schematic Diagram

    CR-255WMP Schematic Diagrams - 19 POWER SCHEMATIC DIAGRAM (POWER PCB) SH501 YQ-36 CHASSIS GND CHASSIS GND D513 FCF10A20 T2.5A L250V F501 SCT_2.5A250V D507 D3SB80-7101 (FRD/200V/10A) L502 R517 SOUND+B 10uH 0.22 1W T2.5A L250V AC INLET J501 TH501 D514 CCT2302-1372FC FCF10A20 B57153S0479A001 FROM/TO MAIN COIL,LINE FILTER...

  • Page 56: Operation Pcb

    CR-255WMP Schematic Diagrams - 20 OPERATION/USB SCHEMATIC DIAGRAM (OPERATION PCB) OPERATION PCB 2 OPERATION PCB 1 FROM/TO MAIN W805 FROM/TO MAIN CP601 (CD3001) A2001WR2-2P KEY_C CP651 (CD3001) A2001WR2-3P R651 R652 R653 KEY_A R654 R655 R656 KEY_B 1/16W 1/16W 1/16W 10K 1/16W +-1% +-1% +-1% +-1%...
  • Page 57 CR-255WMP Schematic Diagrams - 21 WAVEFORMS SUB MICON AUDIO DSP/AMP TUNER/JACK 20nS 500uS 500uS 500mV 500mV 10uS 500uS 500uS 500mV 500mV MPEG DISPLAY 10nS 500uS 200mV I POD CONTROLLER/USB SW HEADPHONE JACK/USB CONNECTOR 20nS 500uS 500uS 500mV 200mV AUDIO DSP/AMP AUDIO SW 50nS 50nS...
  • Page 58 SI4731(for USA) SUBWOOFER IC7011 IC7004 IC2005 BIAS BIAS Audio-DAC PREOUT OPEAMP PRE-AMP WM8521 ANT IN AZ4558C AZ4558C S3.3V S3.3V ONKYO Specification 1.2V PCM1742KE IC7003 BIAS Speaker Speaker IC2004 J8051 DC BIAS CP5001 AUX_L/R AZ4558C OPEAMP HEADPHONE AM CONNECTOR J5001 S3.3V S3.3V...
  • Page 59 CR-255DAB_WMP Schematic Diagrams - 2 POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM POWER BLOCK DIAGRAM SYS_POW-H POWER_FAIL VFD_POW VFD_POW SYS_POW-H SYS_POW-H BT_POW-H CD_POWER-H USB_VBUS_EN USB_VBUS_EN STBY-H_USB IPOD_VBUS_EN IPOD_VBUS_EN STBY-H_IPOD...
  • Page 60 CR-255DAB_WMP Schematic Diagrams - 3 INTERCONNECTION DIAGRAM CP2301 PICK-UP FOCS DRV J2002 FOCS RTN SPEAKER OUT JACK TRKG DRV J7002 AC CORD TRKG RTN AUDIO IN CD501 VR780(CD) 0S1J9804 VR COM VR650(DVD) LD_CD(780) LD_DVD(650) SIGNAL_GND SIGNAL_GND J501 SIGNAL_POW SIGNAL_POW AC INLET SIGNAL_POW SIGNAL_POW SW1(DVD/CD)
  • Page 61 CR-255DAB_WMP Schematic Diagrams - 4 SDRAM SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO MPEG SDRAM SFLASH_CK SFLASH_CK M12L64164A-5TG2M SFLASH_CS SFLASH_CS IC4002 SFLASH_DI SPI FLASH SFLASH_DI SFLASH_DO 3.31 C4002 EN25Q80A-100HIP SFLASH_DO IC4003 0.1 B 3.12 3.19 1005 3.22 3.31 C4001 DQM0 DQ15 SFLASH_CS DQM0...
  • Page 62 CR-255DAB_WMP Schematic Diagrams - 5 Sub Micon SCHEMATIC DIAGRAM AUTHEN SW Q3003 RZM001P02T2L AUTHENTICATION IC ( MAIN PCB ) IC3006 MFI337S3959 AUTHEN SW Q3001 KRC101S-RTK FROM/TO REGULATOR VFD制御 LINE AT3.3VU AT3.3VU AT3.3V AT3.3V SYS_POW-H SYS_POW-H RESET IC CD_POWER-H CD_POWER-H JG3032 R3112N291A-TR-FA BT_POW-H BT_POW-H...
  • Page 63 CR-255DAB_WMP Schematic Diagrams - 6 MPEG SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO REGULATOR2 JG4007 JG4008 from/to FLASH CVBS D1.25V D1.25V D3.3V D3.3V D3.3V D3.3VA D3.3VA C4025 0.1 B D1.25V FROM/TO SUB MICON CD_RESET CD_RESET CD_SCL_MCU CD_SCL_MCU CD_SDA_MCU CD_SDA_MCU MCU_IRQ_CD MCU_IRQ_CD REMOCON MA10...
  • Page 64 CR-255DAB_WMP Schematic Diagrams - 7 MOTOR DRIVER SCHEMATIC DIAGRAM C2314 0.1 B ( MAIN PCB ) C2315 6.3V100 M7 from/to OPU (DM-5) C2313 0.1 B C2312 10 B 2125 JG2001 JG2026 JG2002 JG2028 JG2003 JG2004 R2317 4.7 1/16W 1005 D3.3V R2318 4.7 1/16W 1005 JG2005...
  • Page 65 CR-255DAB_WMP Schematic Diagrams - 8 AUDIO DSP/AMP SCHEMATIC DIAGRAM ATTENTION LES PIECES REPAREES PAR UN ETANT DANGERUSES AN POINT DE VUE SECURITE ( MAIN PCB ) N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES. CAUTION SINCE THESE PARTS MARKED BY CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY.
  • Page 66 CR-255DAB_WMP Schematic Diagrams - 9 AUDIO SW SCHEMATIC DIAGRAM AUDIO ADC C7042 W814 IC7002 AK5358A 1005 from/to AUDIO DSP/AMP 330P CH 1005 C7049 R7054 R7009 R7045 R7046 AUX_L C7043 C7027 2.50 10 B 10K 1/16W 330 1/16W 3.3K 1/16W 62K 1/16W +-1% AINR CKS0 R7049...
  • Page 67 CR-255DAB_WMP Schematic Diagrams - 10 iPod CTL/I2S SW SCHEMATIC DIAGRAM ( MAIN PCB ) I2S_SW1 Function (SELECT) iPod_AUDIO from/to AUDIO DSP/AMP CD_AUDIO I2S SW IC7007 TC74VHC157FT(ELK,M SW_BCK SW_BCK SW_LRCK SELECT SW_LRCK FROM/TO REGULATOR2 SW_DATA SW_DATA S3.3V S3.3V W802 S3.3V 1608 R7086 22 1/16W 1005 FROM/TO SUB MICON...
  • Page 68 CR-255DAB_WMP Schematic Diagrams - 11 TUNER/JACK SCHEMATIC DIAGRAM ( MAIN PCB ) ( FM/AM TUNER & AUX IN[L/R] ) from/to Sub Micon MCU_RESET_TUNER MCU_RESET_TUNER MCU_SCL_TUNER MCU_SCL_TUNER MCU_SDA_TUNER MCU_SDA_TUNER from/to Audio SW AUX_L AUX_L AUX_R AUX_R TUNER_L TUNER_L TUNER_R TUNER_R from/to IPOD CTL/I2S SW DAB_LRCK DAB_LRCK DAB_BCK...
  • Page 69 CR-255DAB_WMP Schematic Diagrams - 12 REGULATOR SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO SUB MICON BACK UP POWER SW AT+3.3V DC/DC Converter AT+3.3VU Gate Circuit AT3.3VU C1814 L1706 for S3.3V/S5V/BT+3V (6.0V 0.31A) DC/DC CONVERTER AT3.3VU AT3.3V AT3.3V AT3.3V SYS_POW-H 0.1 B 1005 10uH SYS_POW-H L1709...
  • Page 70 CR-255DAB_WMP Schematic Diagrams - 13 REGULATOR2 SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO SDRAM D3.3V D3.3V FROM/TO SUB MICON S3.3V S3.3V FROM/TO MPEG FROM/TO REGURATOR D1.25V D1.25V D3.3V D3.3V D3.3VA D3.3VA A+6V D6VS FROM/TO MOTOR DRIVER S3.3V S1.8V D3.3V C1790 D3.3V 10 B 2125...
  • Page 71 CR-255DAB_WMP Schematic Diagrams - 14 VFD POWER SCHEMATIC DIAGRAM ( MAIN PCB ) ← 1　 `6pin From/to DISPLAY PCB D1723 LMBD3004SLT1G T1701 L1714 F1701 L1708 ← 7　 `11pin SW+16V TR1209CA-581 From/to FRONT JACK PCB 4.7uH_TZSS3015FC 1206FA1A-T 1MH_TZSH7040CA 16.9 16.9 CP1702 (CP6003,CP6653) A2001WV-11A FROM/TO SUB MICON...
  • Page 72 CR-255DAB_WMP Schematic Diagrams - 15 IPOD/USB SW SCHEMATIC DIAGRAM ( MAIN PCB ) differential 90 ohm differential 90 ohm FROM/TO SUB MICON AMP_DP/DM_EN AMP_DP/DM_EN AMP_DP/DM_SW AMP_DP/DM_SW MPEG_DP/DM_EN MPEG_DP/DM_EN FROM/TO HEADPHONE JACK/USB CONNECTOR DOCK_DET_EN DOCK_DET_EN DOCK_CHG_ON DOCK_CHG_ON DOCK_IN_DET 4pin L=270mm DOCK_IN_DET DOCK_VBUS_ON CD6602 N2242701 DOCK_VBUS_ON...
  • Page 73 CR-255DAB_WMP Schematic Diagrams - 16 AUDIO DAC SCHEMATIC DIAGRAM ( MAIN PCB ) FROM/TO REGURATOR POWER_FAIL POWER_FAIL AT3.3V AT3.3V C2043 R2118 FROM/TO REGURATOR2 HP_L 16V470 MHE_P 33 1/16W 1608 S3.3V S3.3V D3.3V D3.3V R2046 R2064 C2033 R2036 R2041 R2042 11K 1/16W 1005 18K 1/16W R2093 W912...
  • Page 74 CR-255DAB_WMP Schematic Diagrams - 17 DISPLAY SCHEMATIC DIAGRAM ( DISPLAY PCB ) VFD(　 \示管 ) V6001 14-ST-56GNK B6001 FROM/TO VFD POWER AT3.3V FCM1608KF-102T02 1608 VFD-28V VFD-28V C6012 VFD-28V COM2 -26.9 -26.9 SEG20 OS6002 1608 C6010 S-R531F-H451-B COM3 -26.9 -26.9 SEG19 0.1 B1005 COM4 -26.9...
  • Page 75 CR-255DAB_WMP Schematic Diagrams - 18 HEADPHONE JACK/USB CONNECTOR SCHEMATIC DIAGRAM FROM/TO IPOT/USB SW ( JACK PCB ) CP6651 (CP6801) CP6654 A2001WR-4A W967 1608 UA91-04011B100-R USB CONNECTOR W954 W968 1608 Signal_GND 1608 FRONT_DP FRONT_DM Field_GND VBUS W965 1608 CHARGE SW Q6651 W966 1608 Color is Black...
  • Page 76 CR-255DAB_WMP Schematic Diagrams - 19 POWER SCHEMATIC DIAGRAM (POWER PCB) SH501 YQ-36 CHASSIS GND CHASSIS GND T2.5A L250V F501 SCT_2.5A250V D513 D507 FCF10A20 D3SB80-7101 L502 R517 SOUND+B 10uH 0.22 1W T2.5A L250V (FRD/200V/10A) AC INLET D514 J501 FCF10A20 TH501 CCT2302-1372FC B57153S0479A001 COIL,LINE FILTER FROM/TO REGULATOR...
  • Page 77 CR-255DAB_WMP Schematic Diagrams - 20 OPERATION/USB SCHEMATIC DIAGRAM (OPERATION PCB) OPERATION PCB 2 OPERATION PCB 1 FROM/TO Sub Micon W805 FROM/TO Sub Micon CP601 (CD3001) A2001WR2-2P KEY_C CP651 (CD3001) A2001WR2-3P R651 R652 R653 KEY_A R654 R655 R656 KEY_B 1/16W 1/16W 1/16W 10K 1/16W +-1% +-1%...
  • Page 78 CR-255DAB_WMP Schematic Diagrams - 21 WAVEFORMS SUB MICON AUDIO DSP/AMP TUNER/JACK 20nS 500uS 500uS 500mV 500mV DISPLAY 10uS 500uS 500mV MPEG HEADPHONE JACK/USB CONNECTOR 10nS 500uS 500uS 200mV 200mV I POD CONTROLLER/USB SW AUDIO SW 20nS 50nS 500uS 500mV 500mV 200mV AUDIO DAC SDRAM...
  • Page 79 CR-255/255DAB PC BOARD VIEWS - 1 R 6 6 7 4 B 6 6 7 4 C P 6 6 5 3 I C 6 6 5 1 C D 8 0 5 1 C P 6 6 5 1 I C 6 6 5 5 W 9 6 9 R 8 0 5 2 R 8 0 5 3...
  • Page 80 CR-255/255DAB PC BOARD VIEWS - 2 R 6 6 7 6 R 6 6 8 3 C 6 6 9 5 C 6 6 7 8 W 9 6 4 C 6 6 8 5 R 6 6 5 1 R 6 6 5 2 C 6 6 9 0 R 4 0 6 1...
  • Page 81 CR-255/255DAB PC BOARD VIEWS - 3 PRINTED CIRCUIT BOARDS POWER/OPERATION/OPERATION 2 (INSERTED PARTS) SOLDER SIDE SH501 L501 SW657 F501 FIRE RISK REPLACE MARKED D507 D504 SW651 Q501 D510 D509 C510 B501 C521 D505 C512 W009 R512 D501 R501 R516 W008 W007 R518 D511...
  • Page 82 CR-255/255DAB PC BOARD VIEWS - 4 PRINTED CIRCUIT BOARDS POWER/OPERATION/OPERATION 2 (CHIP MOUNTED PARTS) SOLDER SIDE R527 R511 IC501 R502 Q502 R532 Q503...

  • Page 83: Packing View

    CR-255/255DAB PACKING VIEW 1, 19 11, 12, 13, 14, 15, 16, 17...

  • Page 84: Exploded View Parts List

    1/3 PAGE CR-255/255DAB/U3/U3LT <Note> A A A A A B C D D E E Parts marked by "NSP" are generally unavailable because <Notes> they are not in our Master Spare Parts List. CR-255(W/B/GR/R/LB)WMP CR-255DAB(W)WMP NOTE : THE COMPONENTS IDENTIFIED BY THE MARK CR-255(B)WDC ! ARE CRITICAL FOR RISK OF FIRE AND CR-U3LT(W/BR)WJJ...
  • Page 85 2/3 PAGE CR-255/255DAB/U3/U3LT <Note> A A A A A B C D D E E Parts marked by "NSP" are generally unavailable because <Notes> they are not in our Master Spare Parts List. CR-255(W/B/GR/R/LB)WMP CR-255DAB(W)WMP NOTE : THE COMPONENTS IDENTIFIED BY THE MARK CR-255(B)WDC ! ARE CRITICAL FOR RISK OF FIRE AND CR-U3LT(W/BR)WJJ...
  • Page 86 3/3 PAGE CR-255/255DAB/U3/U3LT <Note> A A A A A B C D D E E Parts marked by "NSP" are generally unavailable because <Notes> they are not in our Master Spare Parts List. CR-255(W/B/GR/R/LB)WMP CR-255DAB(W)WMP NOTE : THE COMPONENTS IDENTIFIED BY THE MARK CR-255(B)WDC ! ARE CRITICAL FOR RISK OF FIRE AND CR-U3LT(W/BR)WJJ...
  • Page 87 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8163 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 800-229-1687, 201-785-2600 Fax: 201-785-2650 http://www.us.onkyo.com/ Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4208-213 http://www.eu.onkyo.com/ Meridien House, Ground floor, 69 - 71 Clarendon Road, Watford, Hertfordshire, WD17 1DS, UK Tel: +44-(0)871-200-1996 Fax: +44-(0)871-200-1995 Unit 1033, 10/F, Star House, No 3, Salisbury Road, Tsim Sha Tsui Kowloon, Hong Kong.

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