Marantz PM-12 OSE Service Manual Download Page 8

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ELECTRICAL

SCHEMATIC DIAGRAMS

SCH01 AUDIO (RCA-IN)

SCH02 AUDIO (RCA-OUT)

SCH03 AUDIO (VOLUME)

SCH04 AUDIO (UNBAL-BAL)

SCH10 SEL-SW_HP_INDUCTOR

SCH11 FCBS

SCH12 SPK

SCH13 HDAM-SA3

PRINTED CIRCUIT BOARDS

uCOM, OLED, HP, P.SW, SEL SW, VOLUME

PHONO, INDUCTOR, FCBS1, FCBS2, SPK, HDAM SA3

AUDIO, TONE, POWER

3. Remote Code Table

Before Servicing

This Unit

Electrical

Mechanical

Repair Information

Updating

Summary of Contents for PM-12 OSE

Page 1: ...P http manuals marantz com PM12OSE JP JA index php Upload is planned for the time of a future press release BEFORE SERVICING THIS UNIT ELECTRICAL MECHANICAL REPAIR INFORMATION UPDATING Confidential Se...

Page 2: ...ND OPTICS ONLINE PARTS LIST Accessing the Parts List Searching Part Numbers or Ref Numbers NOTE FOR PARTS LIST SERIAL NUMBER Serial Number Organization SKU Code of this Unit POST SERVICE PRECAUTIONS I...

Page 3: ...c diagrams and parts lists be sure to use the designated parts Be sure to mount parts and arrange the wires as they were originally placed For safety seasons some parts use tapes tubes or other insula...

Page 4: ...PUT CONDITION 4 CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE Electrostatic breakdown of the semi conductors or optical pickup may occur due to a potential differ ence caused by electro...

Page 5: ...FIER AXIAL CVD1N4007SL 1 2 SMPS D9002 943203500730S DIODE RECTIFIER AXIAL CVD1N4007SL 1 3 SMPS D9003 943203500730S DIODE RECTIFIER AXIAL CVD1N4007SL 1 4 SMPS D9004 943203500730S DIODE RECTIFIER AXIAL...

Page 6: ...digit serial number that contains the code of the manufacturing plant and the manufacturing date SKU code 14 digits Factory code Cumulative serial number Manufactured Year month The last 2digit of yea...

Page 7: ...e factory settings Write down your settings in advance and reconfigure the settings after initialization The amplifier is designed taking consideration into the sound quality 1 When screws and washers...

Page 8: ...SCH10 SEL SW_HP_INDUCTOR SCH11 FCBS SCH12 SPK SCH13 HDAM SA3 PRINTED CIRCUIT BOARDS uCOM OLED HP P SW SEL SW VOLUME PHONO INDUCTOR FCBS1 FCBS2 SPK HDAM SA3 AUDIO TONE POWER LEVEL DIAGRAM BLOCK DIAGRA...

Page 9: ...STYLE PIN Z2004 STYLE PIN Z2003 2P EH N2002 2P EH N2001 4P PINJACK K2001 4P PINJACK K2002 L GND CHASSIS NA24W K S2005 C2009 OPEN C2010 OPEN L GND NA24W K S2006 C2011 OPEN A GND CHASSIS C2012 OPEN C20...

Page 10: ...3801 C3805 10 50 C3806 10 50 R3806 100K R3805 100K R3807 47 R3808 47 4P PINJACK K3701 C3705 0 1 C3701 OPEN C3702 OPEN CHASSIS NA24W K S3701 NA24W K S3702 L GND L GND C3703 OPEN C3704 OPEN R3703 330K R...

Page 11: ...062 2SC3324 Q5066 2SC3324 Q5064 15V R5070 10 HP_R C5105 22 25 C5062 OPEN C5061 OPEN A GND KSA992FTA Q5101 KSC1845FTA Q5102 C5109 0 01 9P EH N5051 TI_L TI_R TO_L TO_R HP_R HP_L A GND 47K R5110 47K R511...

Page 12: ...OPEN D3605 OPEN D3607 OPEN D3608 OPEN D3606 OPEN C3612 OPEN C3610 OPEN D3604 OPEN D3603 OPEN C3609 OPEN C3611 C3024 OPEN C3023 OPEN C3608 10 35 C3606 10 35 C3603 10 35 C3601 10 35 C3607 10 35 C3605 1...

Page 13: ...33 C2510 100 25 C2554 15V 47 25 C2551 10 50 C2504 7V Q2555 KTC3875S 10 50 C2515 10 R2506 7V 3 3K R2551 1000P C2508 KSA992FTA Q2552 47 25 C2552 4 7K R2502 T GND 3 3K R2503 10 R2507 7V R2557 4 7K TI_L T...

Page 14: ...K C8103 220 25 C8104 220 25 Q8105 2SA1859 O Y Q8106 2SC4883 O Y 100P C8105 C8107 470 25 C8108 470 25 44741011000AS HEAT_SINK_W36 2xL50 Z8101 44541021300AS Z8105 TR_SHIELD 00M51100308M9 Z8103 SCREW 445...

Page 15: ...ohm C8601 2200 35 L GND D8706 1SS355 D8705 1SS355 D GND D GND 24V 12P PH N8501 4 7K R8551 4 7K R8552 4 7K R8553 KTC3875S Q8601 KTC3875S Q8552 KTC3875S Q8553 D GND 10K R8554 Q8551 KRC102S D GND KRA102S...

Page 16: ...012 2SK2145GR BL Q4102 2SK2145GR BL Q4103 2SK2145GR BL Q4104 2SK2145GR BL Q4101 2SK2145GR BL Q4004 2SK2145GR BL Q4002 2SK2145GR BL Q4003 2SK2145GR BL Q4001 9P EHs N4003 C4067 22 25 C4068 22 25 C4070 4...

Page 17: ...1D D GND OPEN Q1021 L1041 BLM18HG102SN1D 3 3VL D GND D GND KRC102S Q1012 KTC3875S Q1022 C1017 OPEN 3 3VL L1029 BLM18HG102SN1D D GND D GND 3 3VL D GND KTC3875S Q1015 EC12B24T00A4ZZZ S1201 3 3VD OPEN X1...

Page 18: ...RA102S Q1252 ROTARY SW S1251 1SS355 D1252 1SS355 D1258 1SS355 D1262 1SS355 D1254 1SS355 D1260 1SS355 D1253 1SS355 D1251 1SS355 D1257 1SS355 D1261 1SS355 D1259 1SS355 D1255 1SS355 D1256 10K R1253 10K R...

Page 19: ...OOL0 9 FCBS_TACT 10 24V 11 L_GND 13 L_GND 12 24VL 11 PROT_1 10 PRT_RST 9 NC 8 Time_Const1 7 D_GND 6 3 3VD 5 FATAL 4 SCCPIND 3 READY 2 CLIP 1 AMP_ON 13 12 11 10 9 8 7 6 5 4 3 2 1 JSS2208A S1901 NA24W K...

Page 20: ...D1 OPEN R6006 GND1 Z6004 Z6002 C6002 0 01 Z6003 Z6001 C6001 0 01 HV HV GND1 GND1 GND1 IOUT_R OPEN R6001 OPEN R6002 IOUT_L C6902 47 25 C6903 220 25 C6901 47 25 C6904 220 25 15V R6908 1 R6907 1 C6906 22...

Page 21: ...OWER RN05 10 RN02 10 RN01 10 RN06 10 JN01 JN01 JN01 JN01 IMSA 6065B 06Z065 PT1 JN01 JN01 39K RN07 39K RN08 560 RN03 560 RN04 2SC3324 QN04 2SC3324 QN07 2SC3324 QN05 2SC3324 QN02 2SA1312 B QN06 2SA1312...

Page 22: ...L1010 L1011 L1012 L1013 L1014 L1015 L1016 L1017 L1018 L1019 L1020 L1021 L1022 L1023 L1024 L1025 L1026 L1027 L1028 L1029 L1030 L1031 L1032 L1033 L1034 L1035 L1036 L1037 L1038 L1039 L1040 L1041 L1042 L...

Page 23: ...C4401 C4402 C4403 Q4017 C4404 Q4018 D4009 R4009 D4010 R4201 R4202 R4203 R4204 R4010 R4011 R4012 R4013 R4014 R4209 R4015 R4016 R4017 R4018 R4401 R4019 R4402 R4403 R4404 R4210 R4211 R4405 R4212 R4213 R4...

Page 24: ...R2202 R2203 R2204 R2205 R2206 R2207 R2013 C5110 R2208 R2014 C5111 R2209 R2015 R2016 R2017 R2018 R2019 R2020 R2021 R2022 R2023 R2024 R5101 R5102 R5103 R5104 R5105 Q3201 C3205 Q3202 Q3203 Q3204 Q3205 Q3...

Page 25: ...REBLE 20kHz 6dB UNBAL BAL AMP with DC servo 30dB 12 4dB HP AMP HEADPHONE OUT REC OUT 2018 4 11 T Murayama POWER AMP IN PHONO MC HEADAMP 39 6dB 19 3dB TONE BUFFER 0dB 30 6dB 0dB 30dB 20dB 10dB 0dB 10dB...

Page 26: ...BAL BAL AMP with DC servo 30dB 12 4dB HP AMP HEADPHONE OUT REC1 OUT 2018 3 8 T Murayama Rch Rch INPUT SELECTOR TOTAL GAIN 42dB POWER AMP IN REC2 OUT OP amp NJM8080 OP amp NJM8080 PHONO MC HEADAMP 40 0...

Page 27: ...POWER DIAGRAM MAIN TRANS SUB TRANS PM 12 POWER SUPPLY DIAGRAM Before Servicing This Unit Electrical Mechanical Repair Information Updating 27...

Page 28: ...2 NC N8701 4P EH 1 12V 2 D GND 3 12V 4 NC N6601 4P EH 1 12V 2 D GND 3 12V 4 NC 18P FFC N1501 1 RC5 2 D GND 3 OLED_DC 4 OLED_RES 5 OLED_CS 6 D GND 7 OLED_DAT 8 D GND 9 OLED_CLK 10 D GND 11 L_STBY 12 L_...

Page 29: ...P121 X1 I I X1 PD 47k Main System Clock 8MHz Reserve 16 REGC REGC Regulator Capacitance 17 VSS VSS GND 18 EVSS0 EVSS0 GND 19 VDD VDD 3 3V 20 EVDD0 EVDD0 3 3V 21 P60 SCLA0 I O O NC L L 22 P61 SDAA0 I...

Page 30: ...L 57 P146 I O O LED_ DISP H L PD 10k Illumination LED H LED ON 58 P147 ANI18 I O O NC L L 59 P100 ANI20 I O O POW_ MUTE H L PD 10k H L Mute ON OFF 60 P153 ANI11 I O O HP_ REL_ OUT L L PD 47k H L Mute...

Page 31: ...ay ON ON H 7 Q4 O O BI AMP H L PD 10k Bi Amp Relay Control H L Bi Amp Stereo 8 VSS GND GND 9 QS O O QS Open 10 Q S O O Q S To 4094 2 11 Q8 O O LINE1 H L PD 10k LINE1 INPUT Relay ON ON H 12 Q7 O O CD H...

Page 32: ...9 3RZHU 6XSSO 7HUPLQDO 1 1 7HUPLQDO 1 1R RQQHFWLRQ 7RQHB7U D FK 7UHEOH LOWHU 7HUPLQDO 1 1R RQQHFWLRQ 7RQHB0L D FK 0LGGOH LOWHU 7HUPLQDO 7RQHB D E FK DVV LOWHU 7HUPLQDO 7RQHB0L D FK 0LGGOH LOWHU 7HUPLQ...

Page 33: ...A 1 15 IO IO Interfaces Pin No Pin Name IO Functions Anode Reference Voltage GND VCC Drive System Power Power Supply for Cathode Driver Power supply for Core logic operation Logic System Power Voltage...

Page 34: ...63 13 1 The remote control returns to the default setting when the batteries are removed 2 REMOTE MODE is switched to CD Remote code is not output 3 REMOTE MODE is switched to AMP Remote code is not...

Page 35: ...PCB 4 FCBS2 PCB 5 TRANS ASSY 6 PHONO ASSY 7 INDUCTOR PCB 8 POWER PCB 9 TONE PCB 10 SMPS600 11 NC500 PCB 12 Precautions when assembling the NC500 13 REAR PANEL ASSY EXPLODED VIEW PACKAGING VIEW Before...

Page 36: ...NC500 DISASSEMBLY 12 Precautions when assembling the NC500 and EXPLODED VIEW 1 AUDIO PCB 3 FCBS1 PCB 4 TRANS ASSY 9 NC500 PCB REAR PANEL ASSY DISASSEMBLY 13 REAR PANEL ASSY and EXPLODED VIEW SPK PCB R...

Page 37: ...wpoint of each photograph Shooting direction X View from the top Shooting direction C Shooting direction D Shooting direction A Shooting direction B Proceeding TOP COVER SIDE PANEL AUDIO PCB 1 Remove...

Page 38: ...1 N8501 N1901 N1902 N2201 STYLE PIN STYLE PIN CUT x 6 Proceeding TOP COVER SIDE PANEL FCBS1 PCB 1 Remove the screws Remove the connector Cut the wire clamps Proceeding TOP COVER SIDE PANEL FCBS1 PCB F...

Page 39: ...COVER SIDE PANEL INDUCTOR PCB See EXPLODED VIEW for instructions on removing the INDUCTOR PCB Proceeding TOP COVER SIDE PANEL POWER PCB See EXPLODED VIEW for instructions on removing the POWER PCB Pro...

Page 40: ...5 NOTE There is an order in which to disassemble the NC500 1 First remove 1 AUDIO PCB 3 FCBS1 PCB and 4 TRANS ASSY 2 Apply silicone grease to the NC500 3 Install the SPK circuit board connector on the...

Page 41: ...be wiped off Additionally there must not be any silicone grease on any other surrounding components wipe off if there is any 8 Install the AMP block on the SPK circuit board connector 9 Screw the AMP...

Page 42: ...0300 C0300 C0380 C0370 C0270 C0275 C0440 C0080 C0070 C0020 C0030 C0090 C0040 F0570 C0010 C0435 C0050 C0420 C0430 C0060 C0060 F0010 F0020 F0060 F0000 FRONT PANEL ASSY F0010 F0020 F0025 F0030 F0040 F005...

Page 43: ...0 P0020 P0060 P0040 P0025 x2 P0020 A0010 P0071 A0030 P0050 U0031 FN L0010 UK plug UK Only PM 12 SE Parts List https dmedia soundunited com documents details 26617 PM 12 OSE Parts List https dmedia sou...

Page 44: ...D is lit light flashes 3 STANDBY LED flashes while using the unit Protection circuit becomes activated 4 The power turns on but no sound is output MEASURING METHOD AND WAVEFORMS SPECIAL MODE Special m...

Page 45: ...uction No conduction It conducts It conducts 2 The power cannot be turned on STANDBY LED is lit light flashes Check insertion of each connector POWER PCB Is the voltage of 12V output to N8501 7pin Mal...

Page 46: ...Is there sound from N3501 1 3pin and N3502 1 3pin AUDIO PCB Is power being supplied 15V 3 3VD Malfunction of Power Amp module NC 500 See 2 The power cannot be turned on STAND BY LED is lit light flash...

Page 47: ...1 R3904 R3905 R3906 R3907 Q2001 Q2002 Q2003 Q2004 Q2005 Q2006 Q2007 Q2008 Q2009 C2202 C2203 C2204 C2205 C2206 C2207 C2013 C2208 C2014 C2209 C2015 C2016 C2210 D2001 D2002 D2003 D2004 D2005 D2006 D2007...

Page 48: ...y appear in the display The memory is cleared and the unit is initialized See 1 Service mode 2 ERROR MESSAGES Table of Error Message See 2 ERROR MESSAGES 3 Protection operation Displayed when an error...

Page 49: ...o cancel this mode qSystem Version L1 VERSION L2 PM 12 L3 V Region U N K F w Lighting of the display L1 L2 L3 e All off L1 L2 L3 r Communication test of BUS L1 BUS TEST L2 BUS OK L3 BUS_OK or BUS_NG t...

Page 50: ...the ID numbers properly Check that the remote cable is properly connected ID Duplication Errors An ID error command is issued to the Master when the Slave receives the device check command if the same...

Page 51: ...ds DC 1 2V Q8151 or Q8152 will turn on to change the signal from the PROT_2 to Hi Lo 2 Detects abnormalities in the power supply circuit of the TONE circuit Monitors TONE circuit power supply midpoint...

Page 52: ...age around 101V is detected for the HV of the power amplifier power supply SMPS Q6003 Q6004 turns off and PROT_5 changes from Lo Hi 2 Detection of an abnormality in the power amplifiers power supply c...

Page 53: ...less NC500 VDR Over Voltage Detected with VDR 19V or more NC500 Temperature Detection of a temperature of 90 C or higher near the thermistor NC500 SMPS600 SMPS600 Temperature detection Detects near th...

Page 54: ...UPDATING PROCEDURE AFTER REPLACING THE U COM ETC Before Servicing This Unit Electrical Mechanical Repair Information Updating 54...

Page 55: ...The software has been written The software is not written at the time of replacement B The software has been written The software may need to be rewritten by version updates Check the version C The so...

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