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SKW-120

(Subwoofer)

D-120C

 (Center)

D-120

(Satellite)

SERVICE MANUAL

SERVICE MANUAL

Black model

120V AC, 60Hz

BMDD

Ref. No. 3722

052002

 HTP-120

SKW-120/D-120C/D-120

SPEAKER SYSTEM

SAFETY-RELATED COMPONENT 
WARNING!!

THE MARK         FOUND ON SOME COMPONENT 

PARTS INDICATES THE CRITICAL FOR RISK OF 

FIRE AND ELECTRIC SHOCK.

WHEN REPLACING, BE SURE TO USE PARTS OF 

IDENTICAL DESIGNATION.

MAKE LEAKAGE-CURRENT OR RESISTANCE 

MEASUREMENTS TO DETERMINE THAT EXPOSED 

PARTS ARE ACCEPTABLY INSULATED FROM THE 

SUPPLY CIRCUIT BEFORE RETURNING THE 

APPLIANCE TO THE CUSTOMER.

HTP-120

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

Summary of Contents for D-120

Page 1: ...ELECTRIC SHOCK WHEN REPLACING BE SURE TO USE PARTS OF IDENTICAL DESIGNATION MAKE LEAKAGE CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIR...

Page 2: ...r cable Red Center speaker and speaker cable Green Surround left speaker and speaker cable Blue Surround right speaker and speaker cable Grey A LINE INPUT input jack Connect this jack to the SUBWOOFER...

Page 3: ...20C Type 2 way bass reflex Frequency response 100 Hz 25 kHz Maximum input power 50 W Output sound pressure level 85 dB W m Impedance 6 ohm Speaker 8 cm woofer 2 1 5 cm tweeter Cabinet capacity 1 5 L D...

Page 4: ...r 2A UL T 237 or 252253 2A T UL ST2 2 Safety check out After correcting the original service problem perform the following safety check before releasing the set to the customer Connect the in sulating...

Page 5: ...IN R 3 0 3 O U T P U T L E V E L P O W E R A M P Q 3 0 1 NAAF 7455 1 NAPS 7458 1 NAAF 7456 1 2 8 d B 6 ohm SPEAKER AC120V MDD 2 4 d B U2 U1 U3 U4 NAETC 7457 1 LED Red LED Green I N P U T SUB WOOFER AM...

Page 6: ...oad and no input signal condition 4 Turn on the power switch And adjust 0 25mV by trimmer R544 on Main PC board 5 After heat run for about 5 minutes and set 4mV by R544 again Adjustment of Idling curr...

Page 7: ...515 2202524 2SC4468 Y or 2202523 2SC4468 O or 2202526 2SC4468 P or 2203062 2SC5198 R or 2203063 2SC5198 O Transistor Q516 2202514 2SA1695 Y or 2202513 2SA1695 O or 2202516 2SA1695 P or 2203052 2SA1941...

Page 8: ...6 200 030 01 1 838440204 16 70 015 450 01 4 4STB 20A BC Amp SP Unit 4 x 50 Bottom board B02 B03 B05 B06 B07 B08 B10 61 000 652 01 Socket assy Foot Bottom board HTP 120 www xiaoyu163 com QQ376315150 9...

Page 9: ...001 906 01 S 1 Satellite speaker assy S 2 60 001 907 01 Rating label Center speaker assy Rating label 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 10: ...A4 A4 A4 A6 A8 A9 A10 A11 A41 A42 13 A43 4 A44 A45 A47 A48 E901 A1 Q515 Q516 Q515A Q516A Q541 Q951 Q952 R602 T901 F901 P901 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR RISK OF FIRE AND ELE...

Page 11: ...4 1 Q 3 0 3 N J M 4 5 5 8 D X 3 8 2 4 1 Q 6 2 3 N J M 4 5 5 8 D D 5 8 6 4 7 C 3 0 1 2 2 3 C 9 0 2 4 7 2 M C 5 1 3 2 2 4 C 5 1 2 2 2 4 C 5 0 2 1 5 1 C 5 1 0 1 0 1 C 5 0 4 0 2 0 C 9 0 3 3 3 4 1 0 0 C 9...

Page 12: ...5 5 8 D D 3 8 2 4 1 Q 3 0 3 N J M 4 5 5 8 D X 3 8 2 4 1 Q 6 2 3 N J M 4 5 5 8 D D 5 8 6 4 7 C 3 0 1 2 2 3 C 9 0 2 4 7 2 M C 5 1 3 2 2 4 C 5 1 2 2 2 4 C 5 0 2 1 5 1 C 5 1 0 1 0 1 C 5 0 4 0 2 0 C 9 0 3...

Page 13: ...5 5 8 D D 3 8 2 4 1 Q 3 0 3 N J M 4 5 5 8 D X 3 8 2 4 1 Q 6 2 3 N J M 4 5 5 8 D D 5 8 6 4 7 C 3 0 1 2 2 3 C 9 0 2 4 7 2 M C 5 1 3 2 2 4 C 5 1 2 2 2 4 C 5 0 2 1 5 1 C 5 1 0 1 0 1 C 5 0 4 0 2 0 C 9 0 3...

Page 14: ...GINATIVE SIGHT SOUND IMAGINATIVE SIGHT SOUND HTP 120 HOMETHEATER SPEAKER PACKAGE ENSFMRBLE D FNCENTES POUR LE CINEMA MAISON R IM A G IN A T IV E S IG H T S O U N D IM A G IN A T IV E S IG H T S O U N...

Page 15: ...heet Satellite 0 5t x 460 x 150 P18 62 000 394 01 Connection cord MONO BLACK 3m P19 85 000 354 21 Protect sheet Power cord 0 5t x 200 x 200 P20 85 000 462 01 Poly bag Sub woofer 015t x 750 x 880 P21 8...

Page 16: ...5478204 82 ohm 5 1 4W Carbon 2215995 KTA1267 GR R523 443528204 82 ohm 5 1 2W Q604 Q621 2215810 KRC103M or Metal oxide 2213160 DTC124ES or R525 443523314 330 ohm 5 1 2W 2214220 RN1203 Metal oxide Q601...

Page 17: ...astic C315 374725634 0 056uF 5 50V Plastic U3 LED PC BOARD NAETC 7457 CIRCUIT NOPART NO DESCRIPTION P601B 25051526 NSCT 4P1313 D641 225295 SML1216W U4 POWER TRANSFORMER PC BOARD NAPS 7458 CIRCUIT NOPA...

Page 18: ...UTPUT LEVEL LED C314 C315 R319 T901 T901 NCPS 7458 25137458 P901A 2 0A 125V RISK OF FIRE REPLACE FUSE AS MARKED J901 J902 JL911B AC G 0 AC H F901A F901 F901B 2 3 5 6 8 10 12 14 16 C902 E901 D641 25137...

Page 19: ...25 R626 R624 R623 C622 D628 D627 Q621 Q605 D633 J551 R630 Q622 C931 Q606 Q603 Q604 J540 Q602 D601 R603 R601 Q601 C601 R604 R605 NCAF 7455 0 25137455 P531 J523 J522 J521 J504 J515 R533 E810 C515 E811 C...

Page 20: ...its 2102 2107 Metroplaza Tower I 223 Hing Fong Road Kwai Chung N T HONG KONG Tel 852 2429 3118 Fax 852 2428 9039 Sales Product Planning Div 2 1 Nisshin cho Neyagawa shi OSAKA 572 8540 JAPAN Tel 072 83...

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