Marantz PM8005 Service Manual
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Marantz PM8005 Service Manual

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Service
Manual
• For purposes of improvement, specifications and design are subject to change without notice.
• Please use this service manual with referring to the operating instructions without fail.
• Some illustrations using in this service manual are slightly different from the actual set.
S0173V07DM/DG1802
PM8005
Copyright 2015-2018 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
PM8005 /
Integrated Amplifier
N1B/N1SG
U1B/K1B
Ver. 7
Please refer to the
MODIFICATION NOTICE.

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Summary of Contents for Marantz PM8005

  • Page 1 Service PM8005 / N1B/N1SG U1B/K1B Manual Integrated Amplifier • For purposes of improvement, specifications and design are subject to change without notice. • Please use this service manual with referring to the operating instructions without fail. • Some illustrations using in this service manual are slightly different from the actual set.

  • Page 2: Table Of Contents

    CONTENTS ABOUT THIS MANUAL .............3 What you can do with this manual ..........3 Using Adobe Reader (Windows version) ........4 SAFETY PRECAUTIONS ............6 NOTE FOR SCHEMATIC DIAGRAM .........7 NOTE FOR PARTS LIST ............7 TECHNICAL SPECIFICATIONS ..........9 DIMENSION ................9 DISASSEMBLY ................10 1. FRONT PANEL ASSY ............11 2.

  • Page 3: About This Manual

    ABOUT THIS MANUAL Read the following information before using the service manual. What you can do with this manual Search for a Ref. No. (phrase) Jump to the target of a schematic diagram connector (Ctrl+Shift+F) You can use the search function in Acrobat Reader to search for a Ref.

  • Page 4: Using Adobe Reader (Windows Version)

    Using Adobe Reader (Windows version) Add notes to this data (Sign) Magnify schematic / printed circuit board diagrams - 1 TheSignfunctionletsyouaddnotestothedatain (Ctrl+Space, mouse operation) this manual. Savethefileonceyouhavefinishedaddingnotes. Press Ctrl+Spaceonthekeyboardanddragthe [Example using Adobe Reader X] mousetoselecttheareayouwanttoview. On the "View" menu, click "Sign". • Theselectedareaismagnified.
  • Page 5 Magnify schematic / printed circuit Magnify schematic / printed circuit board diagrams - 2 board diagrams - 3 (Pan & Zoom function) (Loupe Tool function) ThePan&Zoomfunctionletsyouseewhichpartof TheLoupeToolfunctionletsyoumagnifyaspecific amagnifieddiagramisbeingshowninaseparate part of a diagram in a separate window. window. [Example using Adobe Reader X] On the "View"...

  • Page 6: Safety Precautions

    SAFETY PRECAUTIONS The following items should be checked for continued protection of the customer and the service technician. leakage current check Beforereturningthesettothecustomer,besuretocarryouteither(1)aleakagecurrentcheckor(2)alinetochassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the set is defective.

  • Page 7: Note For Schematic Diagram

    NOTE FOR SCHEMATIC DIAGRAM WARNING: Partsindicatedbythe z markhavecriticalcharacteristics.UseONLYreplacementpartsrecommendedbythemanufacturer. CAUTION: Beforereturningthesettothecustomer,besuretocarryouteither(1)aleakagecurrentcheckor(2)alinetochassisresistancecheck. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the set is defective. WARNING: DONOTreturnthesettothecustomerunlesstheproblemisidentifiedandremedied.
  • Page 8 Personal notes:...

  • Page 9: Technical Specifications

    TECHNICAL SPECIFICATIONS • RMS Power output (for U / N / F model) POWER AMP DIRECT IN : 1.6 V / 15 kΩ/kohms (20 Hz – 20 kHz simultaneous drive of both channels) : • Output voltage/Output impedance 70 W x 2 (8 Ω/ohms load) PRE OUT : 1.6 V / 600 Ω/ohms 100 W x 2 (4 Ω/ohms load) •...

  • Page 10: Disassembly

    DISASSEMBLY • Disassemble in order of the arrow in the following figure. • In the case of the re-assembling, assemble it in order of the reverse of the following flow. • In the case of the re-assembling, observe "attention of assembling". •...

  • Page 11: Front Panel Assy

    About the photos used for "descriptions of the DISASSEMBLY" section • The shooting direction of each photograph used herein is indicated on the left side of the respective photograph as "Shooting direction: ***". • See the diagram below about the shooting direction of each photograph. •...

  • Page 12: Heat Sink Assy

    (2) Cut the wire clamp band, then remove the style pin and screws. Disconnect the connector wires. N9001 N2802 N2801 N8101 N5901 STYLE PIN N8503 N8507 WIRE CLAMPER N8502 STYLE PIN N7503 N7502 2. HEAT SINK ASSY → HEAT SINK ASSY Proceeding : TOP COVER (1) Cut the wire clamp band, then remove the screws.

  • Page 13: Phono Amp Pcb

    3. PHONO AMP PCB → PHONO AMP PCB Proceeding : TOP COVER (1) Remove the screws. Disconnect the connector wires. N3301 N2803 Shooting direction: A 4. STANDBY PCB → STANDBY PCB Proceeding : TOP COVER (1) Cut the wire clamp band, then remove the style pin and screws. Disconnect the connector wires. STYLE PIN N8507 N8502...

  • Page 14: Rear Panel Assy

    5. REAR PANEL ASSY → Proceeding : TOP COVER REAR PANEL ASSY (1) Cut the wire clamp band, then remove the style pin and screws. Disconnect the connector wires. STYLE PIN N7501 N8501 N7503 N7502 6. MAIN PCB → PHONO AMP PCB → HEAT SINK ASSY → Proceeding : TOP COVER MAIN PCB...

  • Page 15: Special Mode

    SPECIAL MODE 1. SERVICE MODE Microprocessor (U1001) version check (1) Connect the mains cord into the unit. (2) Press the POWER button with pressing the SOURCE DIRECT button on the Unit. (3) The firmware version is displayed on the front LED. (Display time is only for 3 seconds.) Version: The firmware version is displayed in the lighting position of LED.

  • Page 16: Protection Mode

    2. PROTECTION MODE Explanation of microprocessor (U1001) [PROT_1 (pin6) and PROT_2 (pin7)]. [A] The PROT_1(pin6) is the port to detect the following abnormalities of the Power AMP Detection of an abnormality in the DC offset voltage from the Speaker Output terminal. If the voltage from the Speaker Output terminal exceeds approximately 1.2V (DC), Q9507 or Q9508 will turn on and the signal from the PROT_1 terminal will change to "Lo"...
  • Page 17 [B] The PROT_2 (pin7) is the port to detect abnormalities of the power supply circuit. Detection of an abnormality in the power amp power supply circuit. This port monitors the midpoint voltage of the power amp power supply between +49V and -49V. If the voltage at the connection point of R8001 and R8002 exceeds DC ±1.2V, Q9003 or Q9004 will turn on to change the signal from the PROT_2 (pin7) to "Lo"...

  • Page 18: Procedure After Replacing The Microprocessor, Etc

    Remark replaced u-COM U1001 PM8005 ROM ASSY (TMP86FH47BUG) h After replacing A : 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.

  • Page 19: Adjustment

    ADJUSTMENT Adjusting Procedure Set the power voltage to rated voltage for this adjustment. DC Offset Voltage Adjustment Digital Voltmeter Digital Voltmeter R ch L ch V6001 V6002 V6001 DC OFFSET(Lch) DC OFFSET(Rch) V6002 8U-110150-1 Before turning on the power, Insert Digital Voltage Meter between the SPEAKER SYSTEMS A (L CH) "+" and "–". Insert Digital Voltage Meter between the SPEAKER SYSTEMS A (R CH) "+"...
  • Page 20 Idling Current Adjustment Digital Voltmeter Digital Voltmeter V7002 N7008 V7001 8U-110150-2 N7007 V7002 N7008 N7007 V7001 After DC Offset Voltage Adjustment is completed, adjust the Idling Current with the variable resistor V7001 and V7002 on the PCB P2(8U-110150-2). Turn off the power. "+"...

  • Page 21: Trouble Shooting

    TROUBLE SHOOTING The power can not be turned on. (STANDBY LED does not light (STANDBY MODE)) Check insertion of the 8U- 110151-7/-8 STANDBY PCB. Check insertion of the 8U- 110151-1 U-COM UNIT. Power not supplied. Broken wire in STANDBY TRANS T8501. Check whether power is Power not supplied.

  • Page 22: Standby Led Flashes While Using Unit

    STANDBY LED FLASHES WHILE USING UNIT (PROTECTION CIRCUIT IS SET) 21 page ( z 1)( z 2)"The power can not be turned Check each connector (STANDBY LED lights→flash)" The power turned on, but a sound does not output normally. (Both channels) 4.1 STANDBY LED does not flash (protection mode is not set) Power not supplied.

  • Page 23: Level Diagram

    LEVEL DIAGRAM 70W 8 Ω 23.6V (27.5dB) Power Amp Direct in PRE OUT 1.6V (4.0dB) 1.6v (4.0dB) CD etc. 200mV (-14.0dB) MM 2mV (-54.0dB) PHONO BLOCK BLOCK DIAGRAM POWER AMP POWER AMP PHONO PHONO DIRECT DIRECT LINE DETECT LINE DETECT RIAA RIAA LINE DETECT...

  • Page 24: Wiring Diagram

    WIRING DIAGRAM...

  • Page 25: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS Lead-free Solder When soldering, use the Lead-free Solder (Sn-Ag-Cu). MAIN (A SIDE) MAIN (B SIDE) C3000 C3006 C3008 C3005 C3007 Q2803 Q2802 R3932 C2801 D6004 R8025 Q9011 R9012 C9015 C9012 R8023 Q9003 Q9012 C9013 Q9013 Q9014 Q9015 Q9016 Q9017 Q9018 R9013...
  • Page 26 POWER STAGE (A SIDE) POWER STAGE (B SIDE) 8U-110150-5 8U-110150-4 J7012 J7011 N7007 V7001 V7002 N7008 J7008 J7007 D8002 J7010 D8001 J7009 N7001 N8001 N7002 JV122 20.0 JV137 R7030 R8003 C8002 C8001 8U-110150-7 方向有 8U-110150-6 12.5 R9508 R9507 JV228 R7008 R7010 R7009 R7007...
  • Page 27 POWER STAGE (A SIDE) POWER STAGE (B SIDE) 8U-110150-5 8U-110150-4 J7012 J7011 N7007 V7001 V7002 N7008 J7008 J7007 D8002 J7010 D8001 J7009 N7001 N8001 JV122 N7002 20.0 D7005 JV137 R7030 R8003 C8002 C8001 8U-110150-7 方向有 8U-110150-6 12.5 R9507 JV228 R9508 D7003 D7006 R7008...
  • Page 28 POWER SW (A SIDE) POWER SW (B SIDE) HEADPHONE (A SIDE) HEADPHONE (B SIDE) STANDBY (A SIDE) STANDBY (B SIDE) (Sec.) 8U-110151-7 HEADPHONE R9902 POWER SW UNIT (Pri.) (Sec.) P.SW C9902 R9901 K9901 JV144 C9901 N8502 JV143 8U-110151-8 (Pri.) JV142 STANDBY UNIT J8502 8U-110151-5...

  • Page 29: Schematic Diagrams (1/6 )

    TO N5902 TO B2004 TO B2003 TO B2901 N5001 N5001 13P-PLUG(C125Z1) N2803 N2801 N2802 N2801 N2802 N2803 +18V 5P-EH(IM) 3P-EH(IM) 6P-EH(IM) -18V PH_L R3031 A-GND A-GND A-GND A-GND A-GND A-GND PH_R +24VL +24VL +24VL A-GND Q3001 R2801 KSA992FTA C3025 TO 0A 22/25 MAIN_IN_L K3001...

  • Page 30: Main / Power Stage 1/2

    PM8005N1B : Until the serial No.1500 1427 001464 PM8005N1SG : Until the serial No.1500 1449 000915 PM8005FN : Until the serial No.1500 1446 001000 PM8005U1B : Until the serial No.1500 1441 000750 PM8005K1B : Until the serial No.1500 1503 000300 R6065 J7007 SHORT...

  • Page 31: Main / Power Stage 2/2

    PM8005N1B : From the serial No.1500 1427 001465 PM8005N1SG : From the serial No.1500 1449 000916 PM8005FN : From the serial No.1500 1446 001001 PM8005U1B : From the serial No.1500 1441 000751 PM8005K1B : From the serial No.1500 1503 000301 J7007 SHORT FROM MAIN POWER TRANSFORMER...

  • Page 32: U-Com / Selector

    STANDBY LED PWB R1901 12P-PH R1902 D1901 N1004 N1004 PA_DI Q1252 1 PA_DI SLR342VC SO_DI KRA102S 2 SO_DI PHONO 3P-SCN 3 PHONO N1007 3 pin WAVE FORM at STAND BY mode 8U-110151-2 B1901 TO B1201 4 CD 5 NET Q1251 KRA102S 6 AUX R1270...

  • Page 33: Power Amp / Spk Terminal / Tone

    12P-PH 5VD2 N2501 N2501 PA_DI. PHONO TUNER RECORDER MUTE PA_DI SO_DI SPK-A SPK-B PA_DI SO_DI. SO_DI PHONO. PHONO TPF103 NET. AUX. TUNER. TUNER REC. MUTE. MUTE PHONO:0V CD:0V NET:0V AUX:0V TUNER:0V RECORDER:0V MUTE:0V POWER DIRECT SOURCE DIRECT SPK-A:0V SPK-B:0V D-GND +5VL 5VL2 5VL2...

  • Page 34: Headphone / Power Sw / Standby

    8U-110151-6 CLAMP PWB N8503 3P-EH(IM) N8503 3 +28V 8U-110151-7 2 -28V POWER SW PWB 1 +24V S8901 C8901 D8511 R8506 3P-VH N8504 470P/250V R8505 1(1W) 11EQS10 D8512 0.68UF/4.7ohm R8507 N8901 J0001 1(1W) 11EQS10 2P-VHws D8509 A-GND D8513 D8515 D8518 2P-VHw 2P-VHw N8501 N8502...

  • Page 35: Phono Amp / Spk Terminal / Volumerect

    8U-110152-2 SPK TERMINAL PWB 8U-110152-1 PHONO AMP PWB Z7509 STYLE-PIN Z7510 STYLE-PIN Z7511 STYLE-PIN R4071 00D2050452017 00D2050452017 00D2050452017 Z7501 CFPS SPK-CONTACTOR R7501 SPK_A(L) CFPS Z7502 Q4001 SPK-CONTACTOR KSA992FTA N/K VERSION ONLY Z7503 C4009 C4023 R4069 R4077 SPK-CONTACTOR 3300P 10/35 SPK_B(L) 320MH-CHOKE-COIL Z7504 N7501...

  • Page 36: Exploded View

    EXPLODED VIEW Please see the last chapter for the part list. S10x1 S6x1 S17x1 S4x1 J0001 0040Hx6 J0003-J0006 S6x2 S10x2 S4x1 J0007-J0010 S3x4 0010H S5x2 Only F S1x2 S10x2 0035T S5x1 S13x1 S14x6 S13x1 S5x3 S4x2 0110Rx8 S4x2 J0002 0100Rx8 S15x4 S5x4 0050T...

  • Page 37: Packing View

    PACKING VIEW Please see the last chapter for the part list. 0020P UK plug 0010U (UK Only) 0060U 0040U 0050U 0050P 0030U 0080P W0001 0070U 0020A 0010A 0022P 0020P 0030A 0060P 0070P 0040P 0010P 0020U 0060P 0040P...

  • Page 38: Semiconductors

    TMP86FH47AUG SEMICONDUCTORS 1.2 Pin Assignment Only major semiconductors are shown, general semiconductors etc. are omitted to list. The semiconductor which described a detailed drawing in a schematic diagram are omitted to list. 1. IC's TMP86FH47BUG (U1001) VAREF P13( AVDD P14( AVSS P15(INT3) P07(INT4)
  • Page 39 TMP86FH47BUG Terminal Functions Port Setting Port Name I/O Use Name Note INIT STBY EXT.R 1 VSS 2 XIN 8M Clock in 3 XOUT 8M Clock out 4 TEST 47k L->H : PROM Mode(Program rewriting) 5 VDD u-com power supply 5V PROTECT_1:DC Offset / Over Current 6 P21 (XTIN) PROT-1...
  • Page 40 LC78211, 78212, 78213 Continued from preceding page. LC78212 (U3903) No. 4817-4/6...
  • Page 41 PRE POWER AMP PRE POWER AMP PCB ASS'Y ※Parts indicated by "nsp"on this table cannot be supplied. ※The parts listed bNOTE:The symbols in the column Remarks indicate the following destinations U : North America model N : Europe model K : China model F : Japan mode B : Black model SG : Silver gold model REF No.
  • Page 42 PRE POWER AMP REF No. Part No. Part Name Remarks Q'ty New R3053-3056 RD14B2E153JT(5) 00D2412401936 R3057-3060 RD14B2E220JT(5) 00D2412394962 R3061,3062 RD14B2E104JT(5) 00D2412403934 ! R3063,3064 00MGG0510016X 10 OHM +- 5% 1/6W 00MGG0510016X R3065,3066 RD14B2E102JT(5) 00D2412398955 R3067,3068 RD14B2E331JT(5) 00D2412397943 R3071,3072 RD14B2E103JT(5) 00D2412400995 R3075,3076 RD14B2E472JT(5) 00D2412400911 R3077-3080...
  • Page 43 PRE POWER AMP REF No. Part No. Part Name Remarks Q'ty New RD14B2E152JT(5) PM8005N1B : From the serial No.1500 1427 001465 PM8005N1SG : From the serial No.1500 1449 000916 R7029,7030 00D2412398997 PM8005FN : From the serial No.1500 1446 001001 PM8005U1B : From the serial No.1500 1441 000751 PM8005K1B : From the serial No.1500 1503 000301...
  • Page 44 PRE POWER AMP REF No. Part No. Part Name Remarks Q'ty New S3001 00D2140208003 RELAY(NA24W-K) 00D2140208003 V6001,6002 00MRA04720781 4.7KOHM NVZ6TLTA B472 00MRA04720781 1KOHM NVZ6THT B102 PM8005N1B : Until the serial No.1500 1427 001464 PM8005N1SG : Until the serial No.1500 1449 000915 V7001,7002 00MRA01020761 00MRA01020761...
  • Page 45 00D2730464901 KTC3875S-GR-RTK/P 00D2730464901 Q8503 00D2690184907 KRA102S-RTK/P (10K-10K) 00D2690184907 ! Q8530 00MHT348832A0 TRANSISTOR 2SC4883 O OR Y 00MHT348832A0 U1001 9R2481021100M PM8005 ROM ASSY (TMP86FH47BUG) 8R2481021100M U1002 235010049402S KIA7042AP-AT/P 4.2V RESET IC 235010049402S U1003 00MHC1043399Z AT24C08BN-SH-T 00MHC1043399Z U2001-2004 23281004150AS NJM8080G 23281004150AS U2601...
  • Page 46 UCOM STBY REF No. Part No. Part Name Remarks Q'ty New R2023,2024 RD14B2E122JT(5) 00D2412398971 R2025,2026 RD14B2E563JT(5) 00D2412402977 R2501 RM73B--103JT +1608 00D2472009983 R2502 RM73B--331JT (1608) +1608 00D2472006902 R2503 RM73B--103JT +1608 00D2472009983 R2504 RM73B--331JT (1608) +1608 00D2472006902 R2505 RM73B--103JT +1608 00D2472009983 R2506 RM73B--331JT (1608) +1608 00D2472006902 R2507...
  • Page 47 UCOM STBY REF No. Part No. Part Name Remarks Q'ty New N1003 B13B-PH-K-S (LF)(SN) 00MYJ06006330 N1004 B12B-PH-K-S (LF)(SN) 00MYJ06006320 N1005 B6B-EH-TS (LF)(SN) 6P RADIAL TAPING JST 00MYP0600384X N1006 B4B-EH-TS (LF)(SN) 4P RADIAL TAPING 00MYP0600391X N1007 S3B-EH 00MYP06003930 N2501 B12B-PH-K-S (LF)(SN) 00MYJ06006320 N8501,8502 CONNECTOR 2P B3P-VH...
  • Page 48 PHONO SPK PHONO SPK PCB ASS'Y ※Parts indicated by "nsp"on this table cannot be supplied. ※The parts listed bNOTE:The symbols in the column Remarks indicate the following destinations U : North America model N : Europe model K : China model F : Japan mode B : Black model SG : Silver gold model REF No.
  • Page 49 VOLUME PCB 8U-110152-3 0010F 40241037801AM FRONT PANEL 40241037801AM 0010F 40241037800AM FRONT PANEL 40241037800AM 0020F 421410006004M MARANTZ BADGE (AL) FOR M1 MODEL 421410006004M 0030F 42141003201AM BADGE (MARANTZ STAR) 42141003201AM 0030F 42141003200AM BADGE (MARANTZ STAR) 42141003200AM 0050F 422410013005M ESCUTCHEON CENTER BASE BL PM7003 24AJ...
  • Page 50 EXPLODED REF No. Part No. Part Name Remarks Q'ty New 0280F 412410008037M KNOB AL CAP POINTER SG PM7003 24AJ 412410008037M 0260F 412410010009M KNOB AL CAP S BL PM8003 25AJ 412410010009M 0260F 412410010030M KNOB AL CAP S SG PM8003 25AJ 412410010030M SCREW:CD LID EARTH 00M51100304M9 SCREW...
  • Page 51 USER CARD (F) 00M21AK865019 ┗0070U GOST FLY SHEET 54311030200AM 0060P LABEL FOR PKG SG 544110091014M 0020U WARRANTY USA 54311010512AM 0020U WARRANTY FOR CHINA MARANTZ 8W5431016600M 0020U WARRANTY F (HOSHOUSHO) 00M27AK854013 0040P CONT.LABEL SUB ASSY 8W5451024600M 0040P CONT.LABEL SUB ASSY N1SG 8W5451024500M 0040P CONT.LABEL SUB ASSY...

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