Yamaha XP1000 Service Manual
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Yamaha XP1000 Service Manual

Yamaha power amplifiers service manual
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See also: Owner's Manual
XP1000: 200512-134400
PA
011814
XP2500: 200512-176400
XP3500: 200512-207900

POWER AMPLIFIER

SERVICE MANUAL

CONTENTS
SPECIFICATION
DIMENSIONS
PERFORMANCE GRAPHS
PANEL LAYOUT
CIRCUIT BOARD LAYOUT
WIRING
DISASSEMBLY PROCEDURE
IC BLOCK DIAGRAM
CIRCUIT BOARDS
INSPECTIONS
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
PARTS LIST
Copyright (c) Yamaha Corporation. All rights reserved. M
XP3500
XP2500
XP1000
3
5
5
6
7
9
10
16
16
26/31
I
'06.02

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Summary of Contents for Yamaha XP1000

  • Page 1: Power Amplifier

    PERFORMANCE GRAPHS PANEL LAYOUT CIRCUIT BOARD LAYOUT WIRING DISASSEMBLY PROCEDURE IC BLOCK DIAGRAM CIRCUIT BOARDS INSPECTIONS 26/31 BLOCK DIAGRAM OVERALL CIRCUIT DIAGRAM PARTS LIST XP1000: 200512-134400 011814 XP2500: 200512-176400 XP3500: 200512-207900 Copyright (c) Yamaha Corporation. All rights reserved. M ’06.02...

  • Page 2: Specification

    IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.

  • Page 3: Specifications

    XP1000/XP2500/XP3500 SPECIFICATIONS XP3500 100 V (J) 120 V (U,T) 230 V (H,B,K,O) 240 V (A) 8 Ω/STEREO Output Power 1 kHz 390 W+390 W 390 W+390 W 390 W+390 W 390 W+390 W THD+N= 1 % 4 Ω/STEREO 590 W+590 W...

  • Page 4: Dimensions

    STANDBY STANDBY Control: Supply 5 VDC, 5 mADC MONITOR MODEL ID XP3500: 1.5 kΩ, XP2500: 1.8 kΩ, XP1000: 2.2 kΩ (Impedance to GND) REMOTE CONTROL MUTE CH B MUTE Control: Connect to GND, +5 V, 1 mA MUTE CH A...

  • Page 5: Performance Graphs

    XP1000/XP2500/XP3500 DIMENSIONS Unit: mm PERFORMANCE GRAPHS XP1000 XP2500 Mode:STEREO Mode:STEREO Both ch Driven Both ch Driven RL=4 , f=1 kHz RL=4 , f=1 kHz 1000 10000 1000 1000 1000 Output Power [W] Output Power [W] XP3500 Mode:STEREO Both ch Driven...

  • Page 6: Panel Layout

    XP1000/XP2500/XP3500 PANEL LAYOUT *The illustration shows model XP3500. POWER switch and indicator TEMP indicator PROTECTION indicator CLIP indicator SIGNAL indicator Volume control knobs Air intakes XLR inputs connectors Euroblock connectors HPF switches GAIN switch MODE switch MONITOR/REMOTE terminals SPEAKERS terminals...

  • Page 7: Circuit Board Layout

    XP1000/XP2500/XP3500 CIRCUIT BOARD LAYOUT IO4/4 DC IN IO3/4 IO1/4 IO2/4...
  • Page 8 XP1000/XP2500/XP3500 Detail Drawing A Detail Drawing B Detail Drawing C...

  • Page 9: Wiring

    XP1000/XP2500/XP3500 WIRING W307 GRAY CN303 W310 W309 PH7P ASIG SAN10P VIOLET W308 BSIG GRAY +24V XP3500 only CN416 PH10P CN415 PH2P CN441 CN413 CN414 PH6P VH3P PH15P PRH1 PRH2 CN102 CN103 CN104 BMUTE BLACK WHITE PRE1 AMUTE CN412 PRE2 BLACK...

  • Page 10: Disassembly Procedure

    To replace these circuit boards, take out the corresponding ones from the following sets of circuit board. For XP3500: IO35 set of circuit boards (WF399800) For XP2500: IO25 set of circuit boards (WF399900) For XP1000: IO10 set of circuit boards (WF400000)
  • Page 11 For XP3500: IO35 set of circuit boards (WF399800) For XP2500: IO25 set of circuit boards (WF399900) For XP1000: IO10 set of circuit boards (WF400000) [100] Top View IO3/4 IO4/4...
  • Page 12 XP1000/XP2500/XP3500 [360] [350] Rear Panel IO3/4 IO1/4 IO4/4 IO4/4 [310] [300] [310] [340] [300]: Pan Head Screw 2.6x6 MFZN2B3 (WE986400) [310]: Bonding Tapping Screw-B 3.0x10 MFZN2B3 (WE878000) [340]: Bonding Tapping Screw-B 3.0x10 MFZN2B3 (WE878000) [350]: Flat Head Tapping Screw-B 3.0x8 MFZN2B3 (WF266800) [360]: Hex.
  • Page 13 XP1000/XP2500/XP3500 VR Circuit Board (Time Required: about 4 min) 7-1. 7-1 Remove the top cover. (See procedure 1.) 7-2. 7-2 Remove the front panel assembly. (See procedure 6.) 7-3. 7-3 Remove the two (2) attenuation knobs and the two (2) hexagonal nuts marked [D]. The VR circuit board can then be removed.

  • Page 14: Front View

    XP1000/XP2500/XP3500 10. PSW Circuit Board (Time Required: about 6 min) 10-1 Remove the top cover. (See procedure 1.) 10-1. 10-2 Remove the front panel assembly. (See procedure 6.) 10-2. 10-3 Remove the four (4) screws marked [420]. The handles 10-3. [420] and the handle angles in left and right can then be removed.
  • Page 15 FET and pair transistor marked [P70] (26 [P70] screws for XP1000, 30 screws for XP2500, 36 screws for XP3500). The PAL circuit board can then be removed. (Fig. 2, 6) [40] [40]: Bind Head Tapping Screw-B 4.0x8 MFZN2B3 (WE962000)

  • Page 16: Ic Block Diagram

    XP1000/XP2500/XP3500 IC BLOCK DIAGRAM IC NJM2068D-D (XA987A00) NJM2068MD-TE2 (X3505A00) Dual Operational Amplifier Dual Operational Amplifier DC: IC403,404 P1000S IO1/4: IC301—303 P2500S/P3500S IO1/4: IC301—307 +DC Voltage +DC Voltage Output A Output A Supply Supply Inverting Inverting Output B Output B Input A...

  • Page 17: Circuit Boards

    XP1000/XP2500/XP3500 CIRCUIT BOARDS SUB (IO 1/4) Circuit Board GAIN MODE +4dBu/26dB/32dB STEREO/BRIDGE/PARALLEL OFF/20Hz/55Hz OFF/20Hz/55Hz to VR-CN303 to DC-CN501 to IO3/4-W301B Components side INPUT B INPUT A SUB (IO 2/4) Circuit Board INPUT Components side ( Pattern side ( Pattern side...
  • Page 18 XP1000/XP2500/XP3500 DC Circuit Board to IO3/4-CN304 to IO3/4-W305 to PAL-CN103 to Power Transformer to PAL-CN102 to PAL-CN104 to PAL-CN101 SUB (VR) Circuit Board A’ Volume Control Volume Control Components side DC: 2NA-WF39790-D010 to IO1/4-CN301 SUB (VR): 2NA-WF39910-D010...
  • Page 19 XP1000/XP2500/XP3500 to AC IN to Power Transformer Components side ( A’...
  • Page 20 XP1000/XP2500/XP3500 DC Circuit Board B’...
  • Page 21 XP1000/XP2500/XP3500 B’ DC: 2NA-WF39790-D010...
  • Page 22 XP1000/XP2500/XP3500 PAL Circuit Board to DC-W401 to DC-W402 to DC-W403 C’ D’...
  • Page 23 XP1000/XP2500/XP3500 to IO3/4-W306 Components side ( C’ Pattern side ( D’ PAL: 2NA-WF39680-D010...
  • Page 24 XP1000/XP2500/XP3500 SUB (IO 4/4) Circuit Board SUB (LED) Circuit Board SPEAKERS SPEAKERS PROTECTION BRIDE POWER/STANDBY TEMP Components side ( SUB (PSW) Circuit Board to DC-CN416 ON/OFF to DC-CN402 to DC-CN401 to DC-CN403 Components side ( SIGNAL A CLIP A SUB (IO 3/4) Circuit Board...
  • Page 25 XP1000/XP2500/XP3500 SUB (LED) Circuit Board SUB (IO 4/4) Circuit Board Pattern side ( SUB (PSW) Circuit Board Pattern side ( SUB (IO 3/4) Circuit Board Pattern side ( Pattern side (...
  • Page 26 XP1000/XP2500/XP3500 INSPECTION Scope This inspection specifications is applied to the power amplifier XP1000/XP2500/XP3500. Power Source/Frequency Destination Voltage Frequency U, T 120 V 60 Hz H, B, K, O 230 V 50 Hz 240 V 50 Hz Preparation for STEREO/PARALLEL mode Attenuator "0"(MAX) (Both Channel)
  • Page 27 XP1000/XP2500/XP3500 3. 6 Frequency response Input signals are each 20Hz, 1kHz and 20kHz, -10dBu. The output voltage shall be -0.5 +/- 0.5dB at 20Hz and 20kHz compared to the 1kHz. Set HPF switch to 20Hz. With 20Hz -10dBu input signal, output voltage shall be -3.0 +/- 2.0dB compared to the value with 1kHz -10 dBu input signal at HPF switch OFF.
  • Page 28 XP1000/XP2500/XP3500 3.11 Protection circuit for DC fault Disconnect of load resistor from output terminal. PROTECTION LED shall light up within 2 seconds when short circuit on the two jumper wires that mounted of PCB ASSY DC circuit marked "DC-C". The LED shall light off within 10 seconds after getting the short off.
  • Page 29 XP1000/XP2500/XP3500 3.15.4 Model ID When the SW3 is turned on, the DC output voltage of 3pin of JK304 shall be within the range specified in the "ID-V" of following table. XP1000 XP2500 XP3500 ID-V 2.97 2.73 2.50 +/- 0.06 V +/- 0.06 V...
  • Page 30 XP1000/XP2500/XP3500 XP1000/XP2500/XP3500 100 V 50 Hz Attenuator "0"(MAX) (Both Channel) Input terminal cannon type connector: 2PIN-HOT/3PIN-COLD/1PIN-GND MODE switch STEREO GAIN switch 32dB HPF switch OFF (Both Cannel) Load resistor +/- 1% POWER LED PROTECTION LED PROTECTION LED "FAN-C" "TM-C" TEMP LED...
  • Page 31 XP1000/XP2500/XP3500 20 Hz, 1 kHz, 20 kHz, -10 dBu 1 kHz 20 Hz, 20 kHz -0.5 0.5 dB 20 Hz 20 Hz, -10 dBu OFF 1 kHz, -10 dBu -3.0 2.0 dB 55 Hz 55 Hz, -10 dBu OFF 1 kHz, -10 dBu -3.0...
  • Page 32 XP1000/XP2500/XP3500 "DC-C" PROTECTION LED (1) 1 kHz, -6.6 dBu 130 +/- 20 W (2 pin-hot 3 pin-cold) 600 XP1000 XP2500 XP3500 15 +/- 10W 20 +/- 10W 25 +/- 10W ( 5%) 1 kHz CLIP LED XP1000 XP2500 XP3500 -7.5 dBu -6.5 dBu...
  • Page 33 XP1000/XP2500/XP3500 SW3 ON JK304 3 ID-V XP1000 XP2500 XP3500 ID-V 2.97 2.73 2.50 +/- 0.06 V +/- 0.06 V +/- 0.06 V SW4 ON POWER LED Attenuator "0"(MAX) Effective only channel A. Input terminal Cannon type connector: 2PIN-HOT/3PIN-COLD/1PIN-GND MODE switch...

  • Page 34: Power Amplifier

    POWER AMPLIFIER CIRCUIT DIAGRAM CONTENTS IC & DIODE OUTSIDE FIGURE BLOCK DIAGRAM OVERALL CIRCUIT DIAGRAM DM 1/2 ..................... 4 DM 2/2 ..................... 5 SUB ....................6 PAL ....................7 to DC 003: C10 Ceramic Capacitor Mylar Capacitor Flame Proof C. Resistor Mica Capacitor : Capacitor Flame Proof C.
  • Page 35 XP1000/XP2500/XP3500 NJM7815FA (XD853A00) NJM7915FA (XD854A00) NJM78M05FA (XJ604A00) REGULATOR +15V REGULATOR -15V REGULATOR +5V DC: IC401 DC: IC402 DC: IC441 1 : OUTPUT 1 : OUTPUT 1 : OUTPUT 2 : COMMON 2 : INPUT 2 : COMMON 3 : INPUT...
  • Page 36 (XP1000/X2500/X3500) XP1000/X2500/X3500 (XP1000/X2500/X3500)
  • Page 37 XP1000/XP2500/XP3500 DC 1/2, PSW CIRCUIT BOARD DC1/2 (XP1000/XP2500/XP3500) to PAL to FAN to IO 3/4 to DC 005:J3 to DC 005:J3 to DC 005:J3 REGULATOR +15 to DC 005:U10 to DC 005:U10 REGULATOR -15 from DC 005:U8 from DC 005:I6...
  • Page 38 XP1000/XP2500/XP3500 DC 2/2 CIRCUIT BOARD DC2/2 (XP1000/XP2500/XP3500) not installed to DC 004:J16 from DC 004:J4 from DC 004:J4 from DC 004:J4 to DC 004:C10 to IO(1/4) -CN302 to DC 004:C14 to DC 004:C14 to DC 004:C15 not installed to DC 004:C15...
  • Page 39 XP1000/XP2500/XP3500 SUB CIRCUIT BOARD SUB (XP1000/XP2500/XP3500) (1/4) INPUT CH A OP AMP (2/4) CH A INPUT CH B INPUT CH B (3/4) (4/4) OUT A OUTPUT CH A-2 to PAL-CN105 to DC-CN416 OUTPUT to DC-CN412 CH A-1 OUTPUT OUT B...
  • Page 40 XP1000/XP2500/XP3500 PAL CIRCUIT BOARD PAL (XP1000/XP2500/XP3500) to DC-W401 to DC-W402 to DC-W403 to DC-CN414 28CC1-2000007700 to IO3/4-W304 to IO3/4-W306 PAL CIRCUIT BOARD PAL (XP1000/XP2500/XP3500)

  • Page 41: Parts List

    POWER AMPLIFIER PARTS LIST CONTENTS OVERALL ASSEMBLY ELECTRICAL PARTS 7-17 Notes: DESTINATION ABBREVIATIONS A: Australian model M: South African model B: British model O: Chinese model C: Canadian model Q: South-east Asia model D: German model T: Taiwan model E: European model U: U.S.A.
  • Page 44 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK OVERALL ASSEMBLY XP1000/XP2500/XP3500 Overall Assembly XP1000 J (WF25350) Overall Assembly XP2500 J (WF25270) Overall Assembly XP3500 J (WF25190) Overall Assembly XP1000 U,T (WF25360) Overall Assembly XP2500 U,T (WF25280) Overall Assembly XP3500 U,T...
  • Page 45 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK WD490700 Attenuation Knob ATT A/B ∗ WF400500 Circuit Board PSW (SUB) XP1000 (WF39950) ∗ WF400400 Circuit Board PSW (SUB) XP2500 (WF39940) ∗ WF400300 Circuit Board PSW (SUB) XP3500 (WF39930) WE877900 Bind Head Tapping Screw-S 3.0X6 MFZN2W3...
  • Page 46 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK Q123 V 8 0 9 3 5 0 0 2SK3003 LFNO.600 XP3500 PR101 VL965100 Positive Thermistor PTFM04BE222Q2N34B0 PR102 VL964800 Positive Thermistor PTFM04BH222Q2N34B0 Q124N VR732800 Transistor A1859A/C4883A Q124P VR732800 Transistor A1859A/C4883A Q125N...

  • Page 47: Electrical Parts

    XP1000/XP2500/XP3500 ELECTRICAL PARTS REF NO. PART NO. DESCRIPTION REMARKS QTY RANK ELECTRICAL PARTS XP1000/XP2500/XP3500 ∗ WF398700 Circuit Board DC10 XP1000 J (X6753B0) ∗ WF398300 Circuit Board DC25 XP2500 J (X6753B0) ∗ WF397900 Circuit Board DC35 XP3500 J (X6753B0) ∗ WF398800...
  • Page 48 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK -425 UR867100 Electrolytic Cap. 10.00 50.0V RX TP C426 US064100 Ceramic Capacitor-B (chip) 0.0100 50V K RECT. C427 UR828470 Electrolytic Cap. 470.00 10.0V RX TP C428 UR847470 Electrolytic Cap. 47.00 25.0V RX TP...
  • Page 49 Diode MA111 FLAT TP D501 VD631600 Diode 1SS133,176,HSS104 -512 VD631600 Diode 1SS133,176,HSS104 F401 VP909900 Fuse 7.00A U.C XP1000 J,U,T F401 KB001380 Fuse 15A 250V JUC XP2500 J,U,T F401 VS823400 Fuse 10.00A JUC XP3500 J,U,T F401 VV071700 Fuse TSD 3.15A250 SEMKO...
  • Page 50 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK Q456 VV556500 Transistor 2SA1037AK Q,R,S TP Q457 WC529400 Transistor 2SCKTC3875S-Y,GR-R Q458 VV556500 Transistor 2SA1037AK Q,R,S TP J,U,T Q459 WC529400 Transistor 2SCKTC3875S-Y,GR-R J,U,T Q460 WC434800 Digital Transistor KRA102S-RTK/P Q461 VV556500 Transistor 2SA1037AK Q,R,S TP...
  • Page 51 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK R432 RD156560 Carbon Resistor (chip) 5.6K 1/4 J TP R433 RD357100 Carbon Resistor (chip) 10.0K 63M J RECT. R434 RD356820 Carbon Resistor (chip) 8.2K 63M J RECT. R436 RD357220 Carbon Resistor (chip) 22.0K 63M J RECT.
  • Page 52 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK R520 HF454180 Carbon Resistor 18.0 1/4 J AX TP R521 HF455430 Carbon Resistor 430.0 1/4 J AX TP R522 HF457330 Carbon Resistor 33.0K 1/4 J AX TP R523 HF457270 Carbon Resistor 27.0K 1/4 J AX TP...
  • Page 53 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK C108 UR896470 Electrolytic Cap. 4.7 100.0V RX TP -111 UR896470 Electrolytic Cap. 4.7 100.0V RX TP C112 FG644100 Electrolytic Cap. 0.0100 50V Z RX TP -115 FG644100 Electrolytic Cap. 0.0100 50V Z RX TP...
  • Page 54 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK R106 HF455200 Carbon Resistor 200.0 1/4 J AX TP R107 HF455180 Carbon Resistor 180.0 1/4 J AX TP R108 HF455180 Carbon Resistor 180.0 1/4 J AX TP R109 HF457470 Carbon Resistor 47.0K 1/4 J AX TP...
  • Page 55 VA787500 Trimmer Potentiometer B 470 AX 3P RHEOA VR101 VR102 VA787500 Trimmer Potentiometer B 470 AX 3P RHEOA ∗ WF400000 Circuit Board IO10 XP1000 (WF39950)(X6754C0/D0) ∗ WF399900 Circuit Board IO25 XP2500 (WF39940)(X6754C0/D0) ∗ WF399800 Circuit Board IO35 XP3500 (WF39930)(X6754C0/D0) ∗...
  • Page 56 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK D301 VR496500 Diode MA111 FLAT TP -305 VR496500 Diode MA111 FLAT TP HO301 V I 8 7 8 4 0 0 Cable Holder 51048 6P TE HO302 V I 8 7 8 4 0 0...
  • Page 57 XP1000/XP2500/XP3500 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK R356 HV754220 Flame Proof C. Resistor 22.0 1/4 J RX TP R357 HV754220 Flame Proof C. Resistor 22.0 1/4 J RX TP ∗ R358 RD157150 Carbon Resistor (chip) 15.0K 1/4 J TP ∗...

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