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POWERED SUBWOOFER

SERVICE MANUAL

CONTENTS

SPECIFICATIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5
PARTS LIST:

PRE AMPLIFIER BOARD  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
POWER AMPLIFIER BOARD  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-9
VOLTAGE SELECTOR BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
PRE AMP AND POWER AMP ASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
8” SPEAKER ASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
POWER CORD CABLE ASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

BLOCK DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
SCHEMATIC DIAGRAMS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-14
PCB LAYOUT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
EXPLODED VIEW DIAGRAMS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16-18

Summary of Contents for S8

Page 1: ...2 5 PARTS LIST PRE AMPLIFIER BOARD 6 7 POWER AMPLIFIER BOARD 7 9 VOLTAGE SELECTOR BOARD 9 PRE AMP AND POWER AMP ASSEMBLY 10 8 SPEAKER ASSEMBLY 11 POWER CORD CABLE ASSEMBLY 11 BLOCK DIAGRAM 12 SCHEMATIC DIAGRAMS 13 14 PCB LAYOUT 15 EXPLODED VIEW DIAGRAMS 16 18 ...

Page 2: ... FILTER 85Hz Freq VOL Set to Max Low 3dB 60 10 Hz Freq VOL Set to Max Upper 3dB 130 10 Hz 7 LOW PASS FILTER 65Hz Freq VOL Set to Min Low 3dB 50 10 Hz Freq VOL Set to Min Upper 3dB 85 10 Hz 8 LOW PASS FILTER ROLL OFF Freq VOL Set to Max 18 2 dB 9 LOW PASS FILTER ROLL OFF Freq VOL Set to Min 18 2 dB 10 LINE OUTPUT 1V INPUT HI PASS FILTER 3dB LINE IN 1KHz Freq VOL Set to Max 165 10 Hz Freq VOL Set to...

Page 3: ...d 15 INPUT IMPEDANCE RCA 20K 15K OHM SPEAKER 200 10 OHM 16 AUTO TURN ON LEVEL 2 5 1 mV 17 AUTO OFF DELAY TIME 50 40 Min 18 PHASE ADJUSTABLE 0 180 0 170 Degree 55 65Hz 10V O P 0 Degree Ref PHASE VOL SET Min to Max 19 HUM NOISE 17Hz 17KHz Filter 3 5 mV 10K OHM LOAD INPUT LEVEL VOL SET to Max FREQ VOL PHASE VOL SET to min 20 Current Consumption UL 115 Vac 90W OUTPUT 1 5 1 6 A IDLE 05 07 A CE 230 Vac ...

Page 4: ... Wave 6V at 20 20K Hz Resonant Frequency Fo 40 8 Hz Sensitivity 89 dB W m Rated Power Input 80W Maximum Power Input 160W Power Test 40W Music Max Channel 80W RMS Channel The rated power is verified by performing power handling test by feeding rated output with IEC268 5 for 8 hours Main Magnet Ø90 x Ø45 x 15mm Bucking Magnet Ø90 x Ø45 x15mm ...

Page 5: ...5 ...

Page 6: ...NC D11 8 3131 6140 0 IC BA4560 ROHM U1 2 3 4 5 6 7 8 1 3700 4536 RG L 115W EGW 209EGW RED GR ELE LED02 LED1 4 4701 102J 2 RCF 1 8W 1K 5 AT R11 34 71 73 23 4701 103J 2 RCF 1 8W 10K 5 AT R3 6 10 15 16 18 19 21 23 26 29 33 38 39 41 42 44 46 60 61 62 70 76 79 4 4701 123J 2 RCF 1 8W 12K 5 AT R5 20 28 43 1 4701 125J C RCF 1 8W 1 2M 5 ATS R64 2 4701 153J 2 RCF 1 8W 15K 5 AT R48 52 1 4701 162J 2 RCF 1 8W ...

Page 7: ...20 RLF C50 51 1 150F 224M N II CC 50V 0 22µF 20 RLF MONO C59 1 150F 334M N JJA CC 50V 0 33µF 20 RLF MONO C36 1 150F 470K 5 IEA CC 50V 47PF 10 RL 5X3 C35 2 150F 681J 5 OI CC 50V 680PF 5 RL 8X5 C40 41 2 150H 472M 5 IE CC 100V 4700PF 20 RL 5X3 TEC C60 61 1 153H 102K 5 INA CM 100V 0 001µF 10 RL 5X7 5 C34 1 153H 103K 5 KNA CM 100V 0 01µF 10 RL 6X7 5 C31 2 153H 104K 5 QUA CM 100V 0 1µF 10 RL 9X11 CENTRA...

Page 8: ... 2 RCF 1 8W 12K 5 AT R101 2 4701 153J 2 RCF 1 8W 15K 5 AT R94 96 1 4701 183J 2 RCF 1 8W 18K 5 AT R120 123 1 4701 222J 2 RCF 1 8W 2 2K 5 AT R84 1 4701 272J 2 RCF 1 8W 2 7K 5 AT R100 1 4701 274J 2 RCF 1 8W 270K 5 AT R93 2 4701 333J 2 RCF 1 8W 33K 5 AT R99 121 2 4701 391J 2 RCF 1 8W 390R 5 AT R97 98 1 4701 392J 2 RCF 1 8W 3 9K 5 AT R86 1 4701 472J 2 RCF 1 8W 4 7K 5 AT R129 1 4701 562J 2 RCF 1 8W 5 6K...

Page 9: ... D11 2 8910 0028 0 CE 50V 10000µF 20 RL 35X35 K C56 57 1 8910 0196 0 THERMISTOR NTH4G 10K 1 MURATA TH1 1 1723 779A 0002 PCB POWER AMP REV E FC310C POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION VOLT SELECTOR SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO DESCRIPTION LOCATION 2 153Z 103M 5 7T CM 275V 0 01µF 20 RL 18X10 5 C69 70 1 5200 3627 0 SL14 22A...

Page 10: ... 2842 6213 0 METAL WASHER M6X1 0X13MM T1 8 2904 3006 3000 SCREW M3X6 BINDING BLK PANEL VOLT PCB 2 2904 3010 3000 SCREW M3X10 BLK IEC1 5 2904 4010 3000 SCREW M4X10 BLK PANEL T1 7 2954 3008 3000 T3X8MM SELF TAPPING H S RCA1 SPK 4 2954 3010 3000 B TITE 3X10MM BLK ZN H S 2 2954 3012 3000 3X12MM B TITE BLK ZN Q16 Q17 2 3100 3171 0 MICA SHEET A 24X20 Q16 Q17 4 4135 0271 0 BRASS TUBE 6XM3X12MM PANEL 1 41...

Page 11: ... 7011 6220 0 H05VV F 0 75MM 3C 2M BLK EU EU 1 7011 5030 0 TC1490GP 3CORE CORD 1 P 2M BK 1 51 320 UK 1 7011 6210 0 SJT 18 3C 2M BLK POWER CORD 1 51 438 US 8 SPEAKER ASSEMBLY QTY PART NO DESCRIPTION LOCATION POWER CORD CABLE ASSEMBLY QTY PART NO DESCRIPTION LOCATION ...

Page 12: ...0KA LEVEL U7 RCA L OUT HIZ L F L F LOZ OUT LOZ OUTPUT RCA R F OUT HIZ R F R F LOZ OUT LOZ OUTPUT U8B SW1A SW 2P2T ALC U9 U10B U11 ADJUSTABLE FILTER U3B U4B VR1B 20KBx2 AUTO ON OFF BUFFER U2B LED1 2LED PROTECT PLY1 MUTING AUTO MANLIAL GREEN ON RED OFF SELECT SW 2P1T Vcc Vcc 0V REGULATOR U12 U13 115V 230V 15V 15V PHASE ADJUST U8A VR3 20KBx1 INPUT CROSSOVER FREQUENCY 0 180 50Hz 130Hz 50Hz 130Hz IEC1 ...

Page 13: ...LTER HIGHT PASS FILTER R74 470 R73 1K R72 4K7 R71 1K Q4 9012H Q5 9013H Z1 5V1 D1 1N4148 MANLIAL AUTO AUTO ON OFF C29 100p R63 470 R76 10K R78 220K C28 2u2 50V Z3 3V3 C30 10u 25V R77 56K D2 1N4148 C24 470u 10V C26 47u 16V C25 100u 16V R65 2M2 R66 2K2 R64 1 2M R67 68K R79 10K R68 2K2 R69 4K7 Q1 9013H Q2 9013H Q6 9013H Q3 9012H C27 100n SW1 SW2P2T Z2 5V1 C6 300uF 50V NP C14 300uF 50V NP Q7 9012H R70 ...

Page 14: ...8 100p 1 2 3 4 5 6 7 8 9 U11 TA7317P R114 56K R115 56K C48 10u 25V R122 56K R121 33K R120 18K C49 u47 50V R123 18K R119 56K C47 47u 35V R117 100K R116 100K C46 1u 50V 15V 15V SPK D10 1N4001 R124 750 1 2W Q18 A56 3 2 1 4 8 U10A TL072 D11 RS603 AC1 AC2 VO Vin GND 15V U12 7815 Vin GND 15V U13 7915 SW3A SW 2P1T 3 1 2 CN2 15V OUT 15V 15V 15V 15V GND Vcc Vcc Vcc Vcc RLY1 RELAY V V D12 1N4001 C58 47u 35V...

Page 15: ...15 CELESTION S8 PCB Layout Pre Amplifier PCB Component Side Power Amplifier PCB Component Side Voltage Selector PCB Component Side ...

Page 16: ...606 3005 0643 1 14 B TITE 3 10MM BLK Zn 2954 3010 3000 4 15 VOL FREQ KNOB 2436 6501 1 3 16 SCREW M4 10 BLK 2904 4010 3000 5 17 SCREW M3 6 BINDING BLK 2904 3006 3000 8 18 SCREW M3 10 BLK 2904 3010 3000 2 19 NUT HEX M4 2640 4030 0704 5 20 INT TOOTH WASHER M4 0 8 8 5MM 2606 4008 0853 1 21 SPRING WASHER M4 1 7MM NI 2607 4010 0704 5 22 M3 NUT 2640 3022 0540 2 23 TRANSFORMER 1806 2413 0 1 A RED B GRAY C...

Page 17: ... M BOX FOR F SUB SERIES 145A 6270 0 1 5 UPC LABEL S8 BLACK UK 3000 6587 0 1 6 P BAG 140 140 1497 4302 0 1 7 MANUAL FOR S8 MKII 4301 5163 0 1 8 P BAG 70 100 1497 4282 0 1 9 W CARD MP 1 NEW VERSION 4301 6027 0 1 10 RUBBER PAD 20X20 4154 0461 0 8 11 BARCODE S N LABEL 3000 6333 0 1 12 P BAG 10 14 W ES GREEN 1497 4122 0 1 13 LABEL FOR S8MKII 3000 6616 0 1 14 LABEL FOR S8 PSW1000MKII 3000 6617 0 1 FC311...

Page 18: ...50 5481 0 1 10 N PLATE CARRIER CELESTIO 2150 5491 0 1 11 BARCODE S N LABEL SP8387 3000 6333 0 4 12 EVA GASKET 5 500 4153 3331 0 2 FC310C EU UK S8MKII 230V CHERRY REF DESCRIPTION PARTS NO QTY 1 CABINET FOR S8 CHERRY 1403 4320 0 1 2 PORT TUBE D74 100MM 4153 4591 1 2 3 PLASTIC FOOT FOR F SUB 4153 9441 0 4 4 8 WOOFER F SUB 8900 5740 0 1 5 SCREW BINDING HEAD M4 16 2913 4016 3000 12 6 AMPLIFIER 1 7 ACOU...

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