Yamaha XH150 Service Manual Download Page 7 | Manualshive

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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

www. xiaoyu163. com

QQ 376315150

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TEL 13942296513

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TEL 13942296513 QQ 376315150 892498299

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

http://www.xiaoyu163.com

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Summary of Contents for XH150

Page 1: ... 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 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 2: ...nge 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 disassembl...

Page 3: ...t HIGH CUTx2 6 dB oct Barrier strip terminal XLR 3 31 type Barrier strip terminal Green x2 Red x2 Red x2 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 powe...

Page 4: ...u163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 5: ...als 1 2 4 3 1 2 3 5 6 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 G G SPEAKERS CHANNEL B CHANNEL A www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 ...

Page 6: ...04 IC105 1 3 2 1 3 2 1 3 2 7 5 6 KEC 92353 Unit mm www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 7: ... Front View SUB 4 5 Wire color Power Transformer 3NC2 V294100 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 8: ...er 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 T...

Page 9: ...re 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 EG...

Page 10: ...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 www xiaoyu163 com QQ376315150 9 9 2 8 9 ...

Page 11: ...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 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 ...

Page 12: ... Voltage Supply Output B Inverting Input B Non Inverting Input B Inverting Input A IC BLOCK DIAGRAM www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 13: ... 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 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 89249829...

Page 14: ...5 CN401 to SUB 2 5 CN101 to SUB7 CN509 to SUB 5 5 CN603 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 15: ...e 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...

Page 16: ...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 oscil...

Page 17: ... 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 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 1394229651...

Page 18: ...110 220 220 360 380 375 370 350 380 360 250 10 30 40 20 60 70 80 260b 260e 200 6 6 450 UL only 260a 260d 260i 50 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 19: ... 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 3 0X8 MFZN2BL SR200 3 0X8 MFZN2BL 2426 2426 7P 250L CV 100 4 0X8 MFZN2BL SUB7 1 5 SUB7 1 5 SUB7 1 5 SUB7 2 5 SUB7 3 5 SUB7 4 5 SUB7 5 5 RED D GRAY 3 0X8 MFZN2...

Page 20: ...7 4 B 5 5 PA7 SP 3 0X8 MFZN2Y WC 2L PIN GOOD XH 3 0X12 MFZN2BL ＰＡユニット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 6 2 20 01 01 01 4 PA UNIT 80 20 20 20 70 80 40 40 40 60 80 40 80 10 6 50 90 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6...

Page 21: ...pacitor SL Electrolytic Cap Electrolytic Cap Mica Capacitor Mylar Capacitor Mica Capacitor Mica Capacitor Ceramic Capacitor F Electrolytic Cap Ceramic Capacitor F Ceramic Capacitor F Electrolytic Cap Electrolytic Cap Electrolytic Cap Ceramic Capacitor SL Electrolytic Cap Mica Capacitor Mylar Capacitor Electrolytic Cap Ceramic Capacitor F Mica Capacitor Mica Capacitor Ceramic Capacitor F Ceramic Ca...

Page 22: ...de Stack Diode Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Digital Transistor Digital Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Digital Transistor Digital Transistor 1SS82TD 1SS82TD 1SS133 ...

Page 23: ...or Transistor Transistor Carbon Resistor Metal Film Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Metal Film Resistor Metal Film Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Flame Proof C Resistor Flame Proof C Resistor Carbon Resistor Carbon Resistor Carbon Resist...

Page 24: ...rbon Resistor Carbon Resistor Carbon Resistor Metal Film Resistor Metal Film Resistor Metal Film Resistor Metal Film Resistor Metal Film Resistor Carbon Resistor Metal Film Resistor Flame Proof C Resistor Flame Proof C Resistor Carbon Resistor Carbon Resistor Flame Proof C Resistor Flame Proof C Resistor Flame Proof C Resistor Flame Proof C Resistor Flame Proof C Resistor Flame Proof C Resistor Wi...

Page 25: ...Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Metal Film Resistor Metal Film Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Flame Proof C Resistor Flame Proof C Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Metal Film Resistor Metal Film Resistor Metal Fil...

Page 26: ...otentiometer Trimmer Potentiometer Trimmer Potentiometer Trimmer Potentiometer Zener Diode Zener Diode Zener Diode Zener Diode Zener Diode Zener Diode Circuit Board Circuit Board Circuit Board Circuit Board Circuit Board Circuit Board Circuit Board Bind Head Tapping Screw B Fuse Holder Sheet Holder Jumper Wire Ceramic Capacitor SL Ceramic Capacitor SL Mylar Capacitor Mylar Capacitor Mylar Capacito...

Page 27: ...or B Mylar Capacitor Mylar Capacitor Ceramic Capacitor B Ceramic Capacitor B Mylar Capacitor Mylar Capacitor Ceramic Capacitor B Ceramic Capacitor B Mylar Capacitor Mylar Capacitor Ceramic Capacitor B Ceramic Capacitor B Diode Diode Diode Diode Diode Diode Diode Sheet Holder Fuse Fuse Fuse Fuse Fuse Fuse Fuse Coil Coil Transistor Digital Transistor Digital Transistor Digital Transistor Transistor ...

Page 28: ...Metal Film Resistor Carbon Resistor Metal Film Resistor Metal Film Resistor Metal Film Resistor Carbon Resistor Metal Film Resistor Metal Film Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon R...

Page 29: ... LED LED LED LED LED LED LED Relay Relay Lug Terminal Slide Switch Slide Switch Slide Switch Slide Switch Slide Switch Push Switch Rotary Variable Resistor Rotary Variable Resistor Zener Diode AC Cord AC Cord AC Cord AC Cord Power Transformer Power Transformer Power Transformer Power Transformer Fan 4 7 2W J 4 7 1 4 J 4 7 2W J 4 7 2W J 4 7 1 4 J 4 7 2W J 4 7 2W J 4 7 1 4 J 4 7 2W J 4 7 2W J 4 7 1 ...

Page 30: ...OR 1 OUTPUT 2 COMMON 3 INPUT 3 2 1 1 OUTPUT 2 INPUT 3 COMMON 3 2 1 NJM7815FA XD853A00 REGULATOR NJM7915FA XD854A00 REGULATOR SUB3 5 SUB2 5 SUB1 5 SUB5 5 SUB4 5 SUB7J SUB7U SUB7H F101 10A 125V 7A 125V T3 15AL F102 103 1A 250V 1A 250V T1AL PA7 KEC 92352 2 OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP KEC 92352 2 KEC 92352 2 KEC 92352 2 KEC 92352 2 KEC 92351 1 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 ...

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