Yamaha Xh150 User manual

CONTENTS

SPECIFICATIONS ……………………………………………3/4

PANEL LAYOUT ……………………………………………… 5

DIMENSIONS ………………………………………………… 6

BLOCK DIAGRAM …………………………………………… 6

CIRCUIT BOARD LAYOUT & WRING …………………… 7

DISASSEMBLY PROCEDURE ……………………………… 8

IC BLOCK DIAGRAM ………………………………………… 12

CIRCUIT BOARDS …………………………………………… 13

INSPECTIONS ……………………………………………15/17

PARTS LIST

1.97K-9636 1.92K-173 Printed in Japan '99.2

SERVICE MANUAL

POWER AMPLIFIER

XH150

PA 011441

19990210-140000

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2

XH150

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.

WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury,

destruction 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: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or

recognition of any applicable technical capabilities, or establish a principle-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 specification 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 buss in the unit (heavy gauge black wires connect to this buss).

IMPORTANT: Turn the unit OFF during disassembly and part 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 FORANY REASON WHAT-

SOEVER!

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.

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XH150

•General Specifications

Power Output Level

20 Hz-20 kHz

THD+N= 0.1 %

Power Bandwidth Halfpower

THD+N

20 Hz-20 kHz, Half Power

Frequency Responce

Intermodulation Distortion

60 Hz:7 kHz,4:1,Half Power

Channel Separation

Half Power

ATT.max input 600 ohm shunt

Residual Noise Att,min 12.7 kHz LPF

IHF-A Network

S/N ratio

Slew Rate

Sensitivity(Att.max)Rated Power

Voltage GAIN Att.max

Input Impeddance

Controls Front Panel

Rear Panel

Connectors Input

Output

Indicators POWER

PROTECTION

CLIP

SLGNAL

Protection circuit

Fan Circuit

PC Limitter

Power Requirements

Idle Power Consumption

1/8 Power Consumption (32 ohm)

Maximum Power Consumption (32 ohm)

Dimentions (W

x

H

x

D)

Weight

MODE switch(STEREO/BRIDGE/PARALLEL)

Filter switch LOW CUT

x

2 (-12 dB/oct)

HIGH CUT

x

2 (-6 dB/oct)

Barrier strip terminal

XLR-3-31 type

Barrier strip terminal

Green

x

2 (Red)

x

2 (Red)

x

2 (Green)

POWER switch on/off mute

DC detection

TEMP (heatsink temp>/–90˚C)

Low Speed (50˚C) Variable, High Speed (70˚C)

RL</–16 ohm

Japan model 100 V, 50/60 Hz

US and Canada model 120 V, 60 Hz

Europe model 230 V, 50/60 Hz

AT model 240 V, 50/60 Hz

45 W

350 W

850 W

480

x

132.0

x

319 mm

16 Kg

0 dB=0.775 V

Half power= 1/2 Power output level

100 dB

>/– 65 dB 20 Hz-20 kHz

+4 dBu (100 V)+1 dBu (70 V)

38.2 dB

30 kohm (balance) 15 kohm (unbalance)

POWER switch (push on/push off)

Attenuator (31position)

x

2

150 W+150 W

RL= 64 ohm (100 V)

RL= 32 ohm (70 V)

10 Hz- 40 kHz (THD + N= 0.1 %)

0.1 %

0 dB,+0.5 dB,-1 dB F= 20 Hz-50 kHz

0.1 %

</– -65 dB

+/–

35 V/uS

SPECIFICATIONS

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XH150

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XH150

PANEL LAYOUT

Front Panel

Rear Panel

POWER

POWER SIGNAL CLIP SIGNALCLIPPROTECTION

CH A CH B

ON OFF

1 POWER switch and indicator

2 SIGNAL indicators

3 CLIP indicators

4 PROTECTION indicator

1 FILTER switches (CHANNEL A,B)

2 Volume controls (CHANNEL A,B)

3 OUTPUT VOLTAGE switch

4 SPEAKERS terminals (CHANNEL A,B)

5 INPUT terminals (CHANNEL A,B)

6 GND terminals

1 2 4

3

1 2 3

56

4

INPUT

CHANNEL B CHANNEL A

OFF 10kHz

5kHz

OFF 10kHz

5kHz

OFF 80Hz

40Hz OFF 80Hz

40Hz

CHANNEL B CHANNEL A

LOW CUT LOW CUT

FILTER

HIGH CUT HIGH CUT OUTPUT VOLTAGE

CHANNEL B CHANNEL A

70V 100V

20 15

10

6

3

0

–dB

00

40

30

25

20 15

10

6

3

0

–dB

00

40

30

25

INPUT

CHANNEL B CHANNEL A

GG

SPEAKERS

CHANNEL B CHANNEL A

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XH150

DIMENSIONS

BLOCK DIAGRAM

IC101 IC102 IC104 IC105

PA7

IC101 IC103 IC104 IC105

1

3

2

1

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2

1

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2

7

5

6

KEC-92353

Unit: mm

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7

XH150

PA7

SUB 1/5

SUB 2/5

SUB 3/5

SUB 4/5

SUB 5/5

CIRCUIT BOARD LAYOUT & WIRING

Top View

Front View

SUB 4/5

Wire color

Power

Transformer

3NC2-V294100

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XH150

1/5

2/5

[70] 4

[80a] 6 [410]

[410]

Top cover

Power Transformer

[410] Rear panel

[50a] [50a]

[50b]

(Fig. 1) (Fig. 2)

[70]: Bind Head Screw SP 5.0X10 MFZN2BL (VU688100)

[80]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)

[410]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190) [50]: Bind Head ScrewA4.0X8 MFZN2BL (VP156800)

[410]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)

1. Top Cover

1-1 Remove the nine (9) screws marked [410]. The top

cover can then be removed. (Fig. 1, 2)

2. Power Transformer

2-1 Remove the top cover. (See Procedure 1)

2-2

Remove the four (4) screws marked [70]. The power transformer

can then be removed. (Fig. 1)

3. SUB7 1/5 Circuit Board

3-1 Remove the top cover. (See Procedure 1)

3-2 Remove the six (6) screws marked [80a]. The SUB 1/5

circuit board can then be removed. (Fig. 1)

4. SUB 2/5 Circuit Board

4-1 Remove the top cover. (See Procedure 1)

4-2 Remove the six (6) screws marked [50a] and the two (2)

screws marked [50b]. The SUB 2/5 circuit board can then

be removed. (Fig. 2, 7)

DISASSEMBLY PROCEDURE

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XH150

3/5

4/5

[150]: Bind Head Screw 4.0X45 MFZN2BL (VB857700)

[200][220]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)

[380]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)

[380a]

[380b] [380b]

(Fig. 3)

[200] [220] [150]

[150]

Front panel

DC Fan

5. Panel Assembly

5-1 Remove the top cover. (See Procedure 1)

5-2

Remove the three (3) screws marked [380a] and the two (2)

screws marked [380b]. The panel assembly can then be removed.

(Fig. 3)

6. SUB 3/5 Circuit Board

6-1 Remove the top cover. (See Procedure 1)

6-2 Remove the panel assembly. (See Procedure 5)

6-3 Remove the two (2) screws marked [200]. The SUB 3/5

circuit board can then be removed. (Fig. 3)

7. SUB 4/5 Circuit Board

7-1 Remove the top cover. (See Procedure 1)

7-2 Remove the panel assembly. (See Procedure 5)

7-3 Remove the two (2) screws marked [220]. The SUB 4/5

circuit board can then be removed. (Fig. 3)

8. DC Fan

8-1 Remove the top cover. (See Procedure 1)

8-2 Remove the panel assembly. (See Procedure 5)

8-3 Remove the four (4) screws marked [150]. The DC fan

can then be removed. (Fig. 3)

[130]

(Fig. 4) (Fig. 5)

[130]

[130] [130]

[250] 4

[250]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900) [130]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190)

FAN Angle

9. PA7 Unit

9-1 Remove the top cover. (See Procedure 1)

9-2 Remove the panel assembly. (See Procedure 5)

9-3 Remove the four (4) screws marked [250]. The PA7

unit with the chassis can then be removed. (Fig. 4)

9-4 Remove the eight (8) screws marked [130]. The PA7

unit can then be removed. (Fig. 5)

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XH150

PA7

[60]: Bind Head Screw SP 3.0X8 MFZN2Y (EG330290)

[80]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)

(Fig. 6)

[60a] 4

[80c] 4

[80b] 4

Holder A

Isolation sheet A

Heat Sink

10. PA7 Circuit Board

10-1 Remove the top cover. (See Procedure 1)

10-2 Remove the panel assembly. (See Procedure 5)

10-3 Remove the PA7 unit. (See Procedure 9)

10-4 Remove the sixteen (16) screws marked [80b]; the four

(4) screws marked [80c] and the six (6) screws marked

[60a]. The PA7 circuit board can then be removed. (Fig. 6)

(Fig. 7)

[270]

Rear assembly

[270] [270]

[270]

[270]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900)

11. Rear Assembly

11-1 Remove the top cover. (See Procedure 1)

11-2

Remove the six (6) screws marked [270] . The rear assembly

can then be removed. (Fig. 7)

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XH150

2/5

5/5

Cover, Speaker terminal

Rear panel [440] 2

[260ia] 4

[260ia] 2

[260ib] 2

[260b] 2

[420] 2

[260]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)

[260ia]: Bind Head Screw A4.0X8 MFZN2BL (VP156800)

[260ib]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)

[420]: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300)

[440]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)

(Fig. 8)

12. SUB 5/5 Circuit Board

12-1 Remove the top cover. (See Procedure 1)

12-2 Remove the rear assembly. (See Procedure 11)

12-3 Remove the two (2) screws marked [440] and the two (2)

screws marked [420] and the two (2) screws marked [260b].

The SUB 5/5 circuit board can then be removed. (Fig. 8)

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XH150

M5238AP (XM085A00)

Operational Amplifier

IC101

1

2

3

4-V

8

7

6

5

Output A +V

Non-Inverting

Input A

-DC Voltage Supply

+DC Voltage

Supply

Output B

Inverting

Input B

Non-Inverting

Input B

Inverting

Input A

+-

IC BLOCK DIAGRAM

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XS250/350

XS250/350 XS250/350

13

SUB 1/5 Circuit Board

SUB 2/5 Circuit Board

SUB 3/5 Circuit Board

SUB 4/5 Circuit Board

Components side

Components

side

Components side

CIRCUIT BOARDS

from T101 to

SUB 2/5-CN103 to

PA7-CN702 from T101

to PA7-CN404

SUB(J) :3NA-V290020 2

SUB(U) :3NA-V290030 2

SUB(H) :3NA-V290040 2

to SUB7-CN508

to PA7-CN201

to PA7-CN301

to PA7-CN705

SUB 5/5 Circuit Board

to

SUB 2/5-CN103

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XS250/350 XS250/350

XS250/350

14

PA7 Circuit Board

3NA-V289970 1

Components side

to

SUB 2/5-CN102

from FAN

to SUB 3/5-CN401

to SUB 2/5-CN101

to SUB7-CN509

to SUB 5/5-CN603

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XH150

INSPECTIONS

A STEREO and PARALLEL Operation

Before performing any of the following adjustments, set the unit as follows:

1. ATTENUATIONS Maximum

2. Input terminal: Cannon connector pin 2 is HOT, pins 1 and 3 are GROUND

3. OUTPUT VOLTAGE switch: 100 V

4. Output terminal: RL = 32 and 64 ohm/more than 150 W

5. Others: Both Channel operations are required, if there is no particular indication. In addition, turn off the

filter switches if there is no particular indication. Do not connect the ground of the speaker terminal

to the ground on the input side.

Adjustment Specifications

1. Fan Test

When turning on the power switch, confirm that both fans on the right and left sides regulate at low speed.

2. Muting Test

After applying power to the unit, the PROTECTION indicator should remain ON for 2.5 +/- 1 second, to indicate that the protection circuitry

is operating and the indicator should go out. NO signal is output while this indicator is lit.

3. Idle Current Test

Connect the input terminal to the GROUND and adjust the VR201 (A channel +), VR202 (A channel -), VR301 (B channel +) and

VR302 (B channel -) so that the DC voltage Vb between pin 1 and pin 2 of the CN203 (A channel +), CN204 (A channel -), the CN303

(B channel +) and the CN304 (B channel -) should be 1.0 +/- 0.2 mV. After finishing all tests, adjust the Vb again to 1.0 +/- 0.2 mV.

4. Input Terminal DC offset

Connect the input terminal to the GROUND and check that the DC voltage Vdc of the output terminal is 0 +/- 75 mV.

5. Gain Test

Check that the OUTPUT is + 28.2 +/- 0.5 dBu when a sine wave of 1 kHz at -10 dBu is applied to the INPUT.

6. Frequency Response Test

HIGH CUT switch and LOW CUT switch OFF:

When a sine wave of 20 Hz, 1 kHz or 20 kHz at -10 dBu is applied to the INPUT, check that the output is 0.0 +/- 0.5 dB at 20 Hz and

- 0.5 +/- 0.5 dB at 20 kHz using 1 kHz as a reference.

<5 kHz>

When a sine wave of 5 kHz, - 10 dBu is applied to the INPUT, check that the output is - 3.5 +/- 1.0 dB using 1 kHz as a reference at the

filter switch OFF.

<10 kHz>

When a sine wave of 10 kHz, - 10 dBu is applied to the INPUT, check that the output is - 3.0 +/- 1.0 dB using 1 kHz as a reference at the

filter switch OFF.

<40 Hz>

When a sine wave of 40 Hz, - 10 dBu is applied to the INPUT, check that the output is - 3.0 +/- 1.0 dB using 1 kHz as a reference at the

filter switch OFF.

<80 Hz>

When a sine wave of 80 Hz, - 10 dBu is applied to the INPUT, check that the output is - 3.5 +/- 1.0 dB using 1 kHz as a reference at the

filter switch OFF.

7. Harmonic Distortion Test

When a high quality sine wave is applied at 20 Hz, 1 kHz, or 20 kHz, the harmonic distortion should be as follows:

*This test should be finished within 30 minutes.

Power output level THD

20 Hz 1 kHz 20 kHz

XH150

150 W + 150 W (39.0 dBu/ch, 32 ohm, switch=70V)

150 W + 150 W (42.0 dBu/ch, 64 ohm, switch=100V)

<= 0.1 % <= 0.1 % <= 0.1 %

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16

XH150

8. Channel Separation Test

8-1 Apply a - 5 dBu, 20kHz sine wave into the channel A input.

8-2 Short the input to channel B with a 600 ohm load.

8-3 Set the output of channel A at a reference of 0 dB.

8-4 If the channel B attenuator is set to the same as channel A, channel B output should be less than -65 dB. (RL = 64 ohm)

9. Noise Test

9-1 Set the input attenuator at maximum.

9-2 Short the input to the GROUND with a 600 ohm load.

9-3 The output noise level should be less than - 61 dBm.

9-4 Set the input attenuator at "oo," the noise level should be less than - 65 dBu.

* Be careful that this is not affected by noise induced during the inspection.

10. Stability Test

When a rectangular wave of 10 kHz, - 10 dBu is applied to the input and a capacitor of 10 pF - 0.47 µF is connected with a 32 ohm load

resistor in parallel, the overshoot and the ringing should be as follows.

Overshoot: Vp/Vo <= 1.8

Ringing: less than 5 waves

Next, when the 32 ohm load resistor is removed and the load is only the capacitor 10 pF - 0.47 µF, the overshoot and the ringing should

be as follows.

Overshoot: Vp/Vo <= 2.5

Ringing: fades away in less than 7 waves and no oscillation

11. Protection Circuitry Test

Check that the relay does not work when you apply a sine wave of + 3.0 dBu at 10 Hz to the input and adjust the input level to obtain a

clipped output wave form.

Next, check that when you apply a sine wave of 1 Hz, 6.3 dBu to the input, the signal is cut off within 2 seconds, and the PROTECTION

indicator lights up.

Finally, check that when no signal is applied, the amplifier resumes to normal operation within 10 seconds.

12. PC Limiter Circuitry Test

Check with an oscilloscope that the OUTPUT is as follows when a sine wave of -14 dBu at 1 kHz is applied to the INPUT and the output

is shorted with an 8 ohm load (+/- 5 %). At this time, check that the CLIP indicator lights up.

Output level: Vp-p <= 30 V

*This test should be finished within 30 minutes.

13. OUTPUT VOLTAGE Switch Check

OUTPUT VOLTAGE switch 70V:

Check that the OUTPUT is Vp-p <= 230 V, when a sine wave of 1 kHz at 6.0 dBu is applied to the INPUT.

14. Signal Indicator Test

When a sine wave of 1 kHz, -23 dBu is applied to the input, the SIGNAL indicator should light up.

Check the output terminal without load.

B. Settings after the test

The attenuator should be set to "oo."

The MODE switch should be set at STEREO.

OUTPUT VOLTAGE SWITCH: set to 70 V

C. Others

0 dBu = 0.775 V

When measuring the noise level, use a DIN audio filter.

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

POWER AMPLIFIER

XH150

PARTS LIST

}

• The numbers in “QTY” shows quantities for each unit.

• The parts with “--” in “Parts No.” are not available as spare parts.

• The mark “ ” in the remarks column indicates that these parts are interchangeable.

Notes: DESTINATION ABBREVIATIONS

A : Australian model J : Japanese model

B : British model U : U.S. model

C : Canadian model V : General export model（110V）

E : European model W : General export model（220V）

H : North European model X : General export model

I : Indonesian model Y : Export model

WARINIG

Conponents having special characteristics are marked and must be replaced

with parts having specifications equal to those originally installed.

XH150

CONTENTS

OVERALL ASSEMBLY ............................................................. 2

PA UNIT.................................................................................... 4

ELECTRICAL PARTS............................................................... 5

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http://www.xiaoyu163.com

XH150

2

OVERALL ASSEMBLY

15

410

390

430 440

260 260i

420

410

270

260i

260f

260c

260h 260g

100

190

130

120

140

150 160 170

210

205

180110

220

360

380

375

370 350

380

360

250

10

30

40

20

60

70

80

260b

260e

200

6

450

UL only

260a

260d

260i

50

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8

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

XH150 XH150

3

*: New parts RANK: Japan onl

y

REF NO.

PART NO.

DESCRIPTION REMARKS

QTY

RANK

部品名

(V294100)

(V294110)

(V294120)

(V294130)

(V294140)

(V294280)

(V359170)

*

10

15

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

205

210

220

230

240

250

260

260a

260b

260c

260d

260e

260f

260g

260h

260i

270

280

290

300

330

340

350

360

370

375

380

390

410

420

--

V3200700

V2945100

V2943900

VZ021200

V2944000

VZ021600

VV103100

VP156800

XU906B00

XU907B00

XU908B00

XU909B00

VU688100

EP600190

--

V2941700

V2942900

V2945200

EG340190

V2945700

VB857700

03765330

ET500040

V2943000

VB659000

EP600190

VU859000

V2943100

EP600190

--

VV104600

VR779900

--

V2944700

V2944800

V2944900

V2945000

AAX00030

AAX00040

AAX00050

AAX00060

AAX00070

AAX00080

AAX00090

VU860400

VN413300

EP600190

VR779900

--

VV104600

V2943200

EG340190

V2943500

VU859100

EG340190

V2943600

EG340190

VP156800

Overall Assembly

Main Chassis

Protector

Insulation Sheet

AC Cord

Cord Strain Relief

Bind Head Screw

Power Transformer

Bind Head Screw

Bind Head Tapping Screw-B

Connector Assembly

PA Unit

Angle, Fan

Packing

Bind Head Tapping Screw-B

Fan

Bind Head Screw

Spring Washer

Flat Washer

Angle, PSW

Bind Head Screw

Bind Head Tapping Screw-B

Power Switch Knob

Angle, LED

Bind Head Tapping Screw-B

Connector Assembly

Cord Holder

Bonding Tapping Screw-B

Rear Assembly

Rear Panel

Circuit Board

Knob

Bonding Tapping Screw-B

Bind Head Tapping Screw-B

Bonding Tapping Screw-B

Connector Assembly

Cord Holder

Angle, Rack

Bind Head Tapping Screw-B

Front Panel

Escutcheon, Power Switch

Bind Head Tapping Screw-B

Top Cover

Bind Head Tapping Screw-B

Bind Head Screw

XH150

PP 94V-0 T=0.46

J VCTF 1.25X2 12A

UC SJT 3X#18 10A

H H05VV-F0.75X3 6A

BS H05VV-F 13A

SR-6P1

A4.0X8 MFZN2BL

SP 5.0X10 MFZN2BL

3.0X8 MFZN2BL

2426&2426 8P 180L

4.0X8 MFZN2BL

KDE2412PMS3-6A/A47

4.0X45 MFZN2BL

#2 4.0 MFZN2BL

4.0X10X0.8 MFZN2BL

3.0X8 MFZN2BL

SR200

3.0X8 MFZN2BL

2426&2426 7P 250L

CV-100

4.0X8 MFZN2BL

SUB7 1/5

SUB7 2/5

SUB7 3/5

SUB7 4/5

SUB7 5/5

RED/D-GRAY

3.0X8 MFZN2BL

4.0X8 MFZN2BL

2426&2426 5P 350L

INA

INB

2426&2426 4P 250L

CV-100

4.0X8 MFZN2BL

XH150

SR200

4.0X8 MFZN2BL

XS,XH

4.0X8 MFZN2BL

A4.0X8 MFZN2BL

総組立

メインシャーシ

プロテクター

絶縁シート

電源コード

コードストッパー

+バインド小ネジ

電源トランスＱＬＸ７０

+バインド小ネジ

+バインドＢタイト

束線＃２８

ＰＡユニット

ＦＡＮアングル

パッキン

+バインドＢタイト

ＤＣファン

+バインド小ネジ

バネ座金

平座金みがき丸

ＰＳＷアングル

+バインド小ネジ

+バインドＢタイト

ＰＳＷノブ

ＬＥＤアングル

+バインドＢタイト

束線＃２８

インシュロックタイ

ボンディングＢタイト

リアＡｓｓｙ

リアパネル

シート

ノブ（ショウ）

ボンディングＢタイト

+バインドＢタイト

ボンディングＢタイト

束線＃２８

束線

束線＃２８

インシュロックタイ

ラックアングル

+バインドＢタイト

フロントパネル

ＰＳＷエスカッション

+バインドＢタイト

トップカバー

+バインドＢタイト

+バインド小ネジ

J

U,V

H,W

B

A

J

U,V

H,W,A

B

U,V,H,W,B,A

J

U,V

H,W,B

A

(VV31190)

J

U,V

H,W,B

A

J

U,V

H,W,B

A

J

U,V

H,W,B,A (XV420C0)

(XV420C0)

(V295090)

(V295010)

(V295020)

(V295100)

4

6

4

8

4

2

4

2

4

2

8

4

6

5

2

6

4

9

06

08

01

02

01

(XV420C0)

*: New parts RANK: Japan onl

y

REF NO.

PART NO.

DESCRIPTION REMARKS

QTY

RANK

部品名

430

440

450

VY938700

EP600190

VA039300

Cover, Speaker Terminal

Bind Head Tapping Screw-B

Label

Q150/350/500

3.0X8 MFZN2BL

ＳＰターミナルカバー

+バインドＢタイト

ラベル



ＰＡユニット 

U,V

2

03

01

03

(V294240)

(V294250)

(V294260)

(V294270)

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

XH150 XH150

*: New parts RANK: Japan only

REF NO.

PART NO.

DESCRIPTION REMARKS

QTY

RANK

部品名

*

10

20

30

40

50

60

65

70

80

V2941700

--

V3303100

--

VV086500

V2899700

EG330290

--

VQ074600

PA Unit

Heat Sink

Insulation Sheet

Grease

Support

Circuit Board

Bind Head Screw

Cord Binder

Holder Angle

Bind Head Tapping Screw-B

TBM51W T=0.15

G-746

H=7.4 B=5.5

PA7

SP 3.0X8 MFZN2Y

WC-2L PIN GOOD

XH

3.0X12 MFZN2BL

ＰＡユニット 

ヒートシンク 

放熱シ−ト 

シリコングリス 

支柱 

シート 

+バインド小ネジ

束線止め 

Ｔｒ押え金具Ｂ 

+バインドＢタイト









PA 7

PA 7 (V294560)

(0412125)

(V362150)

(V294380)

4

6

2

20

01

4

PA UNIT

80

20

70

80

40

60

80

40

80

10

6

50

90

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Yamaha XH150 User manual

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