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POWER AMPLIFIER

/
SERVICE MANUAL



XP7000




XP5000




I CONTENTS
SPECIFICATIONS ............................................... 3/5
MONITOR/REMOTE PIN LAYOUT
................................. 4/6
DIMENSIONS ........................................................... 7
PERFOMANCE GRAPHS .......................................... 7
PANEL LAYOUT ...................................... 8
CIRCUIT BOARD LAYOUT & WIRING
.............................................. 10
DISASSEMBLY PROCEDURES .......................... 16
IC BLOCK DIAGRAM ................................... 23
CIRCUIT BOARDS ........................................ 24
INSPECTIONS ....................................................... 36/42
PS CIRCUIT BOARD REPAIR GUIDE
............................................... 48/56
PARTS LIST
IC & DIODE OUTSIDE FIGURE
BLOCK DIAGRAM
This document is printed on chlorine free (ECF) paper.
WIRING DIAGRAM
CIRCUIT DIAGRAM



PA 011812
XP7000: 200512-281400
XP5000: 200512-239400 HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. 06.01
XP7000/XP5000



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 under stood by the users, and have
therefore not been restated.

WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in per-sonal injury, destruc-
tion of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha
product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service
representative.
IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authorization, certification, recognition of
any applicable technical capabilities, or establish a principal-agent relationship of any form.

The data provided is believed to be accurate and applicable to the unit (s) indicated on the cover. The research engineering, and service
departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specifica-
tion are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service
Division.

WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by
grounding yourself to the ground bus in the unit (heavy gauge black wiresonnect to this bus).
IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.


WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable)
components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause
cancer and/or birth defects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO
EVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux
vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.


IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING: THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in accordance with the following code:
GREEN-AND-YELLOW: EARTH
BLUE: NEUTRAL
BROWN: LIVE
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your
plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety
earth symbol or colored GREEN or GREEN-and-YELLOW.
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.

· This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (3 wires)




I WARNING
Components having special characteristics are marked and must be replaced with parts having specification equal to those originally
installed.




2
XP7000/XP5000



I SPECIFICATIONS
XP7000 120V (U/T) 230V (H/B/K/O) 240V (A)
Output Power 1kHz 8ohms/STEREO 750W + 750W 750W + 750W 750W + 750W
THD+N=1% 4ohms/STEREO 1100W + 1100W 1100W + 1100W 1100W + 1100W
8ohms/BRIDGE 2200W 2200W 2200W
20Hz - 20kHz 8ohms/STEREO 700W + 700W 650W + 650W 700W + 700W
THD+N=1% 4ohms/STEREO MIN 950W + 950W 950W + 950W 950W + 950W
70V/STEREO RL=8ohms 625W + 625W 625W + 625W 625W + 625W
8ohms/BRIDGE 1900W 1900W 1900W
1kHz 2ohms/STEREO 1600W + 1600W 1600W + 1600W 1600W + 1600W
20mS nonclip 4ohms/BRIDGE 3200W 3200W 3200W
SN Ratio 20Hz - 20kHz (DIN AUDIO) MIN 104dB
Power Consumption Standby/Idle 5W/35W
1/8 (4ohms/Pink noise) 650W 650W 650W
XP5000 120V (U/T) 230V (H/B/K/O) 240V (A)
Output Power 1kHz 8ohms/STEREO 525W + 525W 525W + 525W 525W + 525W
THD+N=1% 4ohms/STEREO 750W + 750W 750W + 750W 750W + 750W
8ohms/BRIDGE 1500W 1500W 1500W
20Hz - 20kHz 8ohms/STEREO 500W + 500W 500W + 500W 500W + 500W
MIN
THD+N=1% 4ohms/STEREO 700W + 700W 700W + 700W 700W + 700W
8ohms/BRIDGE 1400W 1400W 1400W
1kHz 2ohms/STEREO 1300W + 1300W 1300W + 1300W 1300W + 1300W
20mS nonclip 4ohms/BRIDGE 2600W 2600W 2600W
SN Ratio 20Hz - 20kHz (DIN AUDIO) MIN 103dB
Power Consumption Standby/Idle 5W/35W
1/8 (4ohms/Pink noise) 500W 500W 500W
All Models
Power Bandwidth Half Power, THD+N=0.5% MIN 10Hz - 40kHz
THD+N 20Hz - 20kHz, Half Power MAX 0.1%
Intermoduration Distortion 60Hz:7kHz, 4:1, Half Power MAX 0.1%
Frequency Response RL=8ohms, Po=1W, HPF=OFF MAX 0dB
20Hz - 50kHz TYP 0dB
MIN -1dB
Channel Separation Half Power, RL=8ohms, 1kHz,
MIN 70dB
Att. Max, input 600ohms shunt
Residual Noise 20Hz - 20kHz, Att. Min,
MAX -70dBu
(DIN AUDIO)
Damping Factor RL=8ohms, 1kHz MIN 350
Voltage Gain Att. Max TYP Selectable from 32dB or 26dB (or +4dBu input sensitivity) by GAIN switch
Input Sensitivity (dBu) XP7000 XP5000
Switch Position +4dBu +4 +4
26dB +13.7 +12.2
36dB +7.7 +6.2
Maximum Input Voltage MIN +22dBu
Input Impedance TYP 20kohms (balanced), 10kohms (unbalanced)
Controls Front Panel POWER switch (push on/push off)
Attenuator (31-position) x 2
Rear Panel MODE switch (STEREO/BRIDGE/PARALLEL) x 1
HPF switch (20Hz/55Hz/OFF 12dB/oct) x 2
GAIN switch (32dB/26dB/+4dBu) x 1
Connectors Input XLR-3-31 type/ch
Euroblock connector (balanced) /ch
Output SPEAKON /ch, 5 way binding post x 1
MONITOR/REMOTE D-Sub 15 pin x 1
Indicators POWER/STANDBY x 1 (Green/Orange)
SIGNAL x 2 (Green)
CLIP x 2 (Red)
PROTECTION x 1 (Red)
TEMP x 1 (Red) heatsink temp 85°C
Load Protection POWER switch on/off mute
DC-fault: power supply shutdown
Clip limiting: THD 0.5%
Amplifier Protection Thermal: cuts the output (heatsink temp 90°C)
VI limiter (RL 1ohm)
Power Supply Protection Thermal: power supply shutdown (heatsink temp 100°C)
Cooling Variable-speed fan x 2
Fan stops at heatsink temp 55°C
Power Requirements U/T H/B/K/O A
120V, 60Hz 230V, 50Hz 240V, 50Hz


3
XP7000/XP5000


All Models
Dimensions (W x H x D) 480 x 88 x 456 mm
Weight XP7000 XP5000
14 kg 14 kg
Accessories Security cover (with a hex wrench), Owner's Manual
0dBu=0.775Vrms, Half Power=1/2 Output Power (3dB below rated power)




I MONITOR/REMOTE PIN LAYOUT
Pin No. Signal Description
1 GND
2 REMOTE CONTROL STANDBY STANDBY Control: Supply 5VDC, 5mADC
3 MONITOR MODEL ID 1.0kohms (Impedance to GND)
4 REMOTE CONTROL NC
5 NC
6 MUTE CH B MUTE Control: Connected to GND, +5V, 1mA
7 MUTE CH A
8 MONITOR NC
9 NC
10 PROTECT STATUS CH B PROTECTION Off/Output On: +5VDC, Zo=270ohms
11 PROTECT STATUS CH A PROTECTION On/Output Off: 0VDC, Zo=High
12 NC
13 NC
14 OUTPUT LEVEL CH B +4dBu (-27.2dB of Speaker Output Level) at 100W/8ohms, RL=7.5kohms,
15 OUTPUT LEVEL CH A Zo=300ohms




4
XP7000/XP5000




XP7000
750W + 750W
1100W + 1100W
2200W
700W + 700W
MIN 930W + 930W
625W + 625W
1860W
1400W + 1400W
2800W
MIN 104dB
5W/35W
650W
XP5000
525W + 525W
750W + 750W
1500W
500W + 500W
MIN
700W + 700W
1400W
1050W + 1050W
2100W
MIN 103dB
5W/35W
500W
All Models
MIN
MAX
MAX
MAX
TYP
MIN
MIN

MAX
MIN
TYP

+4dBu
26dB
36dB
MIN
TYP




5
XP7000/XP5000


All Models




0dBu=0.775Vrms, Half Power=1/2 Output Power (3dB below rated power)




I




6
XP7000/XP5000



I DIMENSIONS




30
374.5


456
5.5
46




30 362 30


480




88 Unit: mm




I PERFOMANCE GRAPHS

· XP7000 · XP5000
Mode:STEREO Mode:STEREO
Both ch Driven Both ch Driven
RL=4 , f=1 kHz RL=4 , f=1 kHz
10000 10000
Power Consumption [W]




Power Consumption [W]




1000 1000



100 100



10 10



1 1
1 10 100 1000 10000 1 10 100 1000
Output Power [W] Output Power [W]




7
XP7000/XP5000



I PANEL LAYOUT

· Front Panel



2 4




7 1 3 5 6 7


1 [POWER] switch and indicator 1
2 [TEMP] indicator 2
3 [PROTECTION] indicator 3
4 [CLIP] indicator 4
5 [SIGNAL] indicator 5
6 Volume control knobs 6
7 Air intakes 7




8
XP7000/XP5000




· Rear Panel


4 3 5 6 7




1 2 7 8

1 XLR inputs connectors (One pair for each channel) 1
2 Euroblock inputs connector 2
3 [HPF] switches (One pair for each channel) 3
4 [GAIN] switch 4
5 [MODE] switch 5
6 [MONITOR/REMOTE] terminal 6
7 [SPEAKERS] terminals 7
8 GND terminal 8




9
XP7000/XP5000



I CIRCUIT BOARD LAYOUT&WIRING
IO 3/4 IO 2/4 IO 1/4




IO 4/4



PAH PAH
PS




COIL * * J/H/B/K/O destinations
PSW only.




LED VR

Rear Panel

IO 1/4 IO 3/4




IO 2/4 IO 4/4

The figure which looked at the front panel from the inner side


Bottom

LED
Top


Front Panel
PSW

Top

LED

Bottom


10
XP7000/XP5000


· Whole wiring drawing

See page 12 See page 13 See page 13 See page 13
This point has a wire harness tie.
2 3 4 5




1
See page
12




7
See page
13




8
See page
13
6
See page
13




11 10 9 12 Tube 18: BLACK (CH00440)
* Not available as service parts.
See page See page See page See page
14, 15 14, 15 14, 15 14, 15



· Detail drawing IO 1/4
* Attach connector assembly ATT (WD359600) and connector assembly SIG (WF442900) as follows before attaching IO 1/4
circuit board to main chassis.




Connector assembly ATT Connector assembly SIG
(WD359600) (WF442900)




11
XP7000/XP5000


· Detail drawing IO 3/4
* Attach earth film (WG463400) to speaker terminal SP301 and SP302 as follows.




· Detail drawing IO 4/4
* Attach earth film (WD494300) as follows and attached it to speaker terminal SP303.




· Detail drawing 1 2 1 2
* Tie the following connector assemblies.


2
1 WF442700, WF442800, WF442900

1 WF442800, WF442900, WD360100 (W305)
WD360100 (W305) should be crossed under the
2 others.




12
XP7000/XP5000


· Detail drawing 3 4 5 3 4 5
* Tie the following connector assemblies.
4

Connector assembly WF442900 is tied to IO 1/4
5
3 circuit board with cord holder.
Connector assembly is placed on a compornent
side of the circuit board.
3 Each tie is laced through the hole on the circuit
4 board and shield paper (WG46350).


Keep connector assembly WD360900 (W306) as far away from
IO 1/4 circuit board as possible.


5 WD359600, WF442700, WF442900

* WG46350 is not available as service parts.


· Detail drawing 6 6
* Tie the following connector assemblies.


WD359600, WF442900, WF442700, WD360900
(W306), WD360300 (W406), WD360400 (W407),
WD360500 (W408)
WD359600 and WF442900 are laced through tube
(CH00440).
6
6
WD360900 (W306) should be crossed under the
others.




Connector assemblies WD360300 (W406), WD360400 * CH00440 is not available as service parts.
(W407) and WD360500 (W408) are twisted more than
two rotations.



Keep three connector assemblies (WD359600, WF442900,
WF442700) as far away from transformer (T402) as possible.



· Detail drawing 7 8 7 8
* Tie the following connector assemblies.


7
WD361000 (W701), WD361100 (W702), WF444300
7
(W304), WD360100 (W305)
WD360000 (W401), WD360100(W402),
8
8 WD360200 (W403), WF442700, WF442800




13
XP7000/XP5000


· Detail drawing 9 0 A B 9 0 A B
* Tie the following connector assemblies.


WD360000 (W401), WD360100 (W402), WD360200 WD359600, WF442900, WF442700, WD360000
(W403), WF443200 (W309), WD361000 (W701), (W401), WD360200 (W403), WD360100 x 2 (W305,
WD361100 (W702), WF443100 x 2 (W307, W308), W402)
WF442700, WF442800 WD359600, WF442900 and WF442700 shoud be
9
WF443100 x 2 (W307, W308) and WF443200 crossed over the others.
B
(W309) should be crossed under the others.

WD360100 (W305) should be crossed under the
others.




9
12




10




11




WF443100 x 2 (W307, W308), WF443200 (W309),
0 WD361000 (W701), WD361100 (W702), FAN Lead
Wiring


Connector assemblies WD361000 (W701) and
WD361100 (W702) are tied to COIL circuit board
with cord holder (J/H/B/K/O destinations). The cord
holder is laced through the hole on the circuit board.
A




14
XP7000/XP5000


Connector assemblies WD360000 (W401), WD360100 (W402), and WD360200 (W403)
are twisted more than two rotations.




Connector assembly WF872900 (W310) is located on
Connector assemblies WD361000 (W701) the left side of WF442700 connected to CN411 and
and WD361100 (W702) are twisted more than crossed under WF442700 connected to CN412.
two rotations.




Connector assemblies WD361000 (W701) and WD361100 (W702) are tied to COIL
circuit board with cord holder. The cord holder is laced through the hole on the circuit
board.




15