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Pioneer M-EV51 Service Manual
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Pioneer M-EV51 Service Manual

Stereo power amplifier
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STEREO POWER AMPLIFIER
M-EV51
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
M-EV51
DLXJ/NC
¶ This product is a system(s) component.
This product does not function properly independently ; to avoid malfunctions, be
sure to connect it to the prescribed system component(s), otherwise damage may
result.
¶ Please connect it to the STEREO DVD TUNER DECK XV-EV51 for operation inspection.
Component
STEREO DVD TUNER DECK
STEREO POWER AMPLIFIER
SPEAKER SYSTEM
For details, refer to "Important symbols for good services" on the next page.
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2002
Power Requirement
AC110-127V/220-230V/240V
Model
XV-EV51
M-EV51
S-EV51
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
STANDBY/ON
SURROUND
ADVANCED
SURROUND
POWER AMPLIFIER EV51DVD
STANDBY
PHONES
The voltage can be converted by
the following method.
With the voltage selector
Service manual
RRV2636
RRV2663
This manual
RRV2640
ORDER NO.
RRV2663
Remarks
T – ZZV JULY 2002 Printed in Japan

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Summary of Contents for Pioneer M-EV51

  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2002 T –...

  • Page 2: Safety Information

    , a l w a y s c o n s u l t t h e c u r r e n t P I O N E E R Service Manual. A subscription to, or additional copies Also test with plug reversed of, PIONEER Service Manual may be obtained at a (Using AC adapter Earth nominal charge from PIONEER.
  • Page 3 By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. M-EV51...

  • Page 4: Table Of Contents

    6. ADJUSTMENT ............................... 41 7. GENERAL INFORMATION ..........................42 7.1 DIAGNOSIS ............................. 42 7.1.1 PROTECTION CIRCUIT ........................42 7.1.2 OPERATING CONDITION FOR FAN ..................... 44 7.1.3 SINGLE OPERATION METHOD ..................... 46 7.1.4 DISASSEMBLY ..........................48 8. PANEL FACILITIES ............................49 M-EV51...

  • Page 5: Specifications

    DVD SETUP DVD MENU ENTER SOUND MODE RETURN TUNE – ¡ FOLDER – FOLDER + ¢ yellow PROGRAM REPEAT RANDOM Dry cell Batteries CLEAR TEST TONE CH LEVEL SLEEP ENTER (R6P,AA) TV CONTROL Power cord INPUT CHANNELVOLUME SHIFT SELECT (XDG3001) M-EV51...

  • Page 6: Exploded Views And Parts List

    SYSTEM SETUP TOP MENU TUNE + DVD SETUP DVD MENU ENTER SOUND MODE RETURN TUNE – ¡ FOLDER – FOLDER + ¢ PROGRAM REPEAT RANDOM CLEAR TEST TONE CH LEVEL SLEEP ENTER TV CONTROL INPUT SHIFT SELECT CHANNELVOLUME Yellow M-EV51...
  • Page 7 VEM1031 FM Antenna ADH7004 AM Loop Antenna ATB7009 Video Cord (L=1.5m) VDE1034 System Cable 20P XDE3053 System Cable 8P XDE3054 Packing Sheet AHG7053 Front Pad A XHA3132 Rear Pad A XHA3133 Packing Case XHD3312 NSP 14 Literature Bag AHG1180 M-EV51...

  • Page 8: Exterior

    2.2 EXTERIOR 23 36 PCB abandoned part (NSP) M-EV51...
  • Page 9 XEB3033 Spacer A XEB3030 FAN Barrier XEC3032 LSR Supports AEC7055 Pri Barrier XEC3033 Push Rivet XEC3034 Module Holder XMR3054 Pri Holder XMR3057 Binder ZCA-SKB90BK Front Panel Assy A XXG3128 Standby Button XAD3156 Standby Lens XAK3336 Front Panel A XMB3085 M-EV51...

  • Page 10: Schematic Diagram

    Note : The connectors between E-VOL ASSY, SECONDARY ASSY, VHVL AMP ASSY and AMP REG FAN ASSY (CN3003-CN3, CN3101-CN3301, CN3102-CN3302, CN3104-CN3502, CN3103-CN3501) are board to board connectors. It is difficult to connect them. Be sure to confirm the complete connections. It may become the factor of trouble. M-EV51...
  • Page 11 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST" CN3651 AMP REG FAN ASSY (AWU8025) FAN+B MOTOR FAN-B PRIMARY ASSY (XWZ3630) CN3502 CN3501 POWER TRANSFORMER XTS3064 CN3104 CN3103 J3906 CN3003 SECONDARY ASSY (XWZ3631) CN3901 CN3001 CN3002 J3651 SYSTEM SYSTEM CABLE CABLE AMP DISPLAY ASSY (XWZ3634) XV-EV51 M-EV51...

  • Page 12: E-Vol Assy 1/2

    3.2 E-VOL ASSY (1/2) (FL) (FL) (FL) (FL) (SL) (SL) (FL) (FL) (SL) (SL) (SL) To XV-EV51 AF (SYSTEM CABLE) J3651 M-EV51...
  • Page 13 2.2k (SL) 2.7k (SL) (FL) CN3307 CN3305 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE : The power supply is shown with the marked box. NO. 491005 FOR IC3102 MFD, BY LITTELFUSE INC. M-EV51...

  • Page 14: E-Vol Assy 2/2

    3.3 E-VOL ASSY (2/2) UDZS5.1B D3821 1SS133 M-EV51...
  • Page 15 E-VOL ASSY (XWZ3629) (SL) : SL AUDIO SIGNAL ROUTE : C AUDIO SIGNAL ROUTE (SL) (SL) M-EV51...

  • Page 16: Vhvl Amp Assy

    3.4 VHVL AMP ASSY VHVL AMP ASSY (AWU8024) (FL) (FL) (FL) (FL) (FL) (FL) (FL) : FL AUDIO SIGNAL ROUTE : The power supply is shown with the marked box. M-EV51...
  • Page 17 IRFI9Z34G IRFIZ34G M-EV51...

  • Page 18: Amp Reg Fan Assy

    3.5 AMP REG FAN ASSY POWER AMP AMP REG FAN ASSY (AWU8025) (SL) (SL) (SL) (SL) (SL) : The power supply is shown with the marked box. M-EV51...
  • Page 19 (SL) : SL AUDIO SIGNAL ROUTE : C AUDIO SIGNAL ROUTE MOTOR M-EV51...

  • Page 20: Sp-Terminal, Hp, And Display Assys

    3.6 SP-TERMINAL, HP and AMP DISPLAY ASSYS SP-TERMINAL ASSY (XWZ3632) (FL) (FL) (FL) CN3903 (SL) CN3902 (SL) (SL) (SL) (SL) : The power supply is shown with the marked box. M-EV51...
  • Page 21 (SL) : SL AUDIO SIGNAL ROUTE : C AUDIO SIGNAL ROUTE HP ASSY (XWZ3633) (FL) (FL) AMP DISPLAY ASSY (XWZ3634) (SL) (SL) SPEAKER SL/SR/C CN3901 SWITCHES S3651 : STBY/ON S3652 : ADV SURROUND S3653 : SURROUND D E F M-EV51...

  • Page 22: Primary Assy

    3.7 PRIMARY ASSY J3906 M-EV51...
  • Page 23 PRIMARY ASSY (XWZ3630) AC IN • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. M-EV51...

  • Page 24: Secondary Assy

    3.8 SECONDARY ASSY SECONDARY ASSY (XWZ3631) M-EV51...
  • Page 25 REPLACE ONLY WITH SAME TYPE NO. 491007 FOR IC21 AND IC22 MFD, BY LITTELFUSE INC. CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491010 FOR IC11 AND IC12 MFD, BY LITTELFUSE INC. M-EV51...

  • Page 26: Pcb Connection Diagram

    Symbol In PCB Symbol In Schematic Part Name Diagrams Diagrams C E B Capacitor Connector Transistor B C E SIDE A Transistor with resistor B C E Field effect SIDE B transistor Chip Part P.C.Board Resistor array 3-terminal regulator M-EV51...

  • Page 27: Vhvl Amp Assy

    CN3301 CN3302 Q3511 Q3512 R3332 IC51 Q3301 Q3302 Q3603 R3641 Q3302 R3342 Q3603 R3341 R3605 D3358 Q3503 C3304 C3303 C3306 C3312 Q3351 Q3503 C3305 Q3352 IC3502 R3335 R3334 IC3502 Q3354 Q3353 R3362 R3361 IC3501 Q3353 Q3355 IC3501 Q3355 (ANP7424-B) M-EV51...

  • Page 28: E-Vol And Amp Display Assys

    AMP DISPLAY R3612 ASSY 4.AC 3.UN5.6 2.GNDD 1.POW ON/OFF CONTACT CN3102 BINDER SIDE 1.* 5CH-HPDET 2CH-NC 2.KEY4 3.GNDD W345 J3906 4.STBYIND 5.UN5.6 W346 AMPDISPLAY ASSY CN3102 D3651 CN3302 S3652 S3653 W445 5ch:ADV.SURR. 2ch:CENTER SP ON/OFF D3702 D3701 S3651 STBY/ON (XNP3062-C) M-EV51...
  • Page 29 3.SLP C3028 4.SLN W348 5.SWP W355 6.SWN 7.CP 8.CN W356 D3821 XV-EV51 W357 CN3902 CN3903 W341 W344 CN3307 W333 W342 W340 W316 D3810 W450 IC3101 W318 IC3101 W335 W319 W320 IC3102 D3702 D3701 CN3003 XV-EV51 (XNP3062-C) CN3903 CN3003 CN3305 M-EV51...
  • Page 30 CN3903 CN3902 C 3 0 5 9 VU+5V Q3009 Q3603 R3137 V+5D R3135 Q3009 C 3 0 5 1 Q3603 Q3062 C3052 C3053 C3054 D3810 Q3061 GNDA(MEDIA) R9016 R9017 R9018 CN3003 R3098 E-VOL ASSY D3815 CN3101 CN3902 CN3903 CN3003 M-EV51...
  • Page 31 ASSY R3126 C3117 4.AC 1.HP DET 3.UN5.6 R3203 R3208 2.KEY4 2.GNDD R3204 3.GNDD ON/OFF 4.STBYIND R3207 1.POW 5.UN5.6 D3203 CN3102 D3204 Q3653 Q3653 Q3655 J3906 CN3102 Q3658 Q3658 Q3654 Q3654 XWZ3629 XWZ3638 XWZ3635 CMKS-P3X R3772 STBY/ON R3771 (XNP3062-C) (XNP3062-C) M-EV51...

  • Page 32: Sp-Terminal And Hp Assys

    SP-TERMINAL ASSY CN3902 Q3351 CN3903 Q3352 Q3702 Q3701 Q3713 (XNP3062-C) HP ASSY CN3004 1.L OUT 2.L IN 3.GNDHP 4.R IN OPEN SIDE 5.R OUT R3992 6.HP DET CN3004 JA3991 L3991 W252 W255 W254 W253 W251 R3991 HP ASSY CMKS-P3X (XNP3062-C) M-EV51...
  • Page 33 SIDE B SIDE B SP-TERMINAL ASSY FLOUT Q3351 GNDFR D3461 D3353 GNDFL Q3352 Q3702 Q3701 Q3704 Q3703 Q3711 Q3706 Q3715 Q3705 Q3713 (XNP3062-C) HP ASSY CN3004 3643 3633 C3995 3640 (XNP3062-C) M-EV51...

  • Page 34: Primary Assy

    ALL EXCEPT NK W132 W111 /YPW MY/NV/NK WIRE ASSY PRIMARY W147 W146 CMKS-P3X TUBE SIDE SECONDARY RY81 SIDE POW ON W145 W155 78M56 W139 V+12UN PRINTED SIDE 1.POWER ON/OFF 2.GNDD 3.UN5.6 4.AC OPEN SIDE (XNP3062-C) J3906 Q81 Q83 IC1 M-EV51...
  • Page 35 SIDE B SIDE B PRIMARY ASSY Y P W ASSY PRIMARY AMP POW ON 78M56 V+12UN (XNP3062-C) M-EV51...

  • Page 36: Secondary Assy

    W168 GNDUN8V W165 UN8V GND-12V IC24 13.-12V CAUTION UN8V ATTENTION W161 REPLACE IC LINKS AS REMPLACER LE IC LINKS COMME MARKED.MFD BY INDIQUE.DE CHEZ LITTELFUSE INC. LITTELFUSE INC. (XNP3062-C) CN3003 IC41 IC31 IC12 IC22 IC11 IC23 IC24 IC21 IC25 M-EV51...
  • Page 37 SIDE B SIDE B SECONDARY ASSY 3.GND 2.BLAC1 5.BHAC2 4.BLAC2 1.BHAC1 GNDPOWER 1.CGND GNDPOWER 5.GNDPOWER GNDUN15 UN15V GNDUN8V UN8V GND-12V GNDPOWER 13.-12V 491007 BHAC2 GNDUN8V UN8V SECONDARY XWZ3642 ASSY XWZ3631 (XNP3062-C) IC11 IC12 IC31 IC41 IC21 IC24 IC22 M-EV51...

  • Page 38: Amp Reg Fan Assy

    W101 GNDS (ANP7424-B) CN3502 CN3501 CN3104 CN3103 SIDE B SIDE B AMP REG FAN ASSY CN3501 CN3502 R3475 IC3401 C3405 C3406 IC61 Q3501 R3667 Q3501 R3668 Q3653 Q3402 Q3402 Q3401 Q3401 Q3654 Q3655 Q3655 Q3652 Q3651 C3655 (ANP7424-B) CN3651 M-EV51...

  • Page 39: Pcb Parts List

    CN3902 09P CONNECTOR SOCKET AKP7151 COILS AND FILTERS CN3903 13P CONNECTOR SOCKET AKP7155 L3461,L3462,L3561 AF Choke Coil ATH-133 J3906 JUMPER WIRE D20PYY0420E CN3003 13P PLUG KM250NA13L CAPACITORS CN3104 13P SOCKET KP250NA13 C3786-C3788 CCSRCH101J50 CN3102 SOCKET 15-P KP250NA15 C3028,C3500,C3504 CEAL100M16 M-EV51...
  • Page 40 R51,R52 RS1LMFR22J Q3703,Q3704 DTA143EK R3324-R3327 RS2LMFR22J Other Resistors RS1/16S&&&J Q3705,Q3706 DTC123TK Q3711,Q3715 DTC143EK OTHERS D3351-D3354,D3361,D3461 1SS133 D3703-D3706 1SS133 CN3301 9P SOCKET AKP7068 CN3302 PLUG 15-P KM250NA15L COILS AND FILTERS L3361,L3362 AF Choke Coil ATH-059 SWITCHES AND RELAYS RY3361,RY3461,RY3462 XSR3002 M-EV51...

  • Page 41: Adjustment

    CN3 13P SOCKET KP250NA13 5P CABLE HOLDER 51048-0500 PCB BINDER VEF1040 J3651 JUMPER WIRE D20PYY0520E KN4 EARTH METAL FITTING VNF1084 PRIMARY ASSY SEMICONDUCTORS 6. ADJUSTMENT 2SD1859X DTC124EK There is no information to be shown in this chapter. D87-D89 1SS133 1SS355 M-EV51...

  • Page 42: General Information

    7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 PROTECTION CIRCUIT BLOCK DIAGRAM PRIMARY ASSY XV-EV51 AMP DISPLAY ASSY MODULE E-VOL ASSY M-EV51...
  • Page 43 AMP MODULE SP-TERMINAL ASSY M-EV51...

  • Page 44: Operating Condition For Fan

    7.1.2 OPERATING CONDITION FOR FAN 1) After M-EV51 is set to be turned on the power, the fan rotates at low speed under 13V. 2) When CN3501 Pin3 (H/L CONT) becomes about 0.6 ~ 0.85V, the fan rotates at high speed of 20V.
  • Page 45 [ PROTECTION POWER OFF TIMING CHART ] M-EV51...

  • Page 46: Single Operation Method

    PRIMARY ASSY NDING TX WINDING W141 W133 PT NK W132 W111 /YPW MY/NV/NK WIRE W147 W146 R84 1kΩ Point TUBE SIDE SECONDARY RY81 SIDE POW ON W145 W155 78M56 W139 V+12UN PRINTED SIDE 1.POWER ON/OFF 2.GNDD 3.UN5.6 4.AC OPEN SIDE M-EV51...
  • Page 47 R3123 D3454 R3116 R3122 C3108 C3110 C3335 C3111 C3112 R3121 R3105 C3102 R3106 C3109 R3107 C3114 C3101 R3103 R3141 R3102 C3119 R3142 R3104 R3136 C3120 R3109 R3110 R3126 C3117 C3125 C3126 R3108 R3302 R3305 C3113 R3207 R3101 R3102 R3121 M-EV51...

  • Page 48: Disassembly

    It is difficult to connect them. Be sure to confirm the complete connections. It may become the factor of trouble. VHVL AMP ASSY AMP REG FAN ASSY E-VOL ASSY SECONDARY ASSY PRIMARY ASSY SP-TERMINAL ASSY M-EV51...

  • Page 49: Panel Facilities

    POWER AMPLIFIER EV51DVD STANDBY PHONES SURROUND Selects a surround listening mode STANDBY/ON Switches the player on or into standby. ADVANCED SURROUND Selects an advanced listening mode STANDBY indicator Lights when the system is in standby PHONES jack Headphone jack M-EV51...

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