Genius SP-HF1250A Скачать руководство пользователя | Manualshive

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Version:1.0

Total 16 Pages (Cover Page included)

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Содержание SP-HF1250A

Страница 1: ...S SE ER RV VI IC CE E G GU UI ID DE E KYE SYSTEMS CORP S SP P H HF F1 12 25 50 0A A Version 1 0 Total 16 Pages Cover Page included ...

Страница 2: ...Version 1 0 Page 1 15 Version Date Changes 1 0 Official Release s Guide ervice SP HF1250A Revision History ...

Страница 3: ... LED indicator Unlighted 6 1 2 2 Does not work or one channel no sound 7 1 2 3 Noise 7 Chapter2 Specifications 8 Chapter3 Block Diagram 9 Chapter4 Exploded View 10 11 Chapter5 Part List 12 13 Chapter6 Important Notes 14 6 1 Packing Requirement for sending the PCB Assembly by post 14 6 2 Short of Spare Parts while Repairing a Speaker System 14 Chapter7 Circuit Schematic 15 s Guide ervice SP HF1250A...

Страница 4: ...Do not drop or jolt the speakers Do not allow anything to drop into the subwoofer case through its ventilator as it could result in fatal electric shock or fire Place the unit far enough from other equipments for good heat dissipation Disconnect the AC power cord from the AC outlet before performing any maintenance on the speakers Do not perform any maintenance with wet hand Prevent foreign substa...

Страница 5: ...Verifying problems Proceeding necessary tests Analyzing possible Malfunction causes Deciding proceeding the rectification methods Replacing necessary Defective parts Proceeding tests To verify if the speaker is functioning normally Functioning OK Return the speakers with Proper repackaging to customers Functioning NG Functioning OK Functioning NG ...

Страница 6: ...Version 1 0 Page 5 15 1 2 Problems Item Problem descriptions 1 2 1 Power LED indicator unlighted 1 2 2 Does not work or one channel no sound 1 2 3 Noise s Guide ervice SP HF1250A ...

Страница 7: ...n parenthesis given in individual Flow chart in that this is the best recommended sequence to rectify the problems Problem Analyze and Identify the Causes Solutions Secondary wire Of transformer is Disconnedcted of defective CheckD1 2 3 4 Check LED Defective power Switch Resolder or replace defective component s Power LED indicator unlighted ...

Страница 8: ...n or Short circuit Defective IC TDA2030A Defective Audio cable Replace Audio cable Check solder Points on PCB And resolder defective one s Check and replace Defective IC TDA2030A Problem Analyze and Identify the Causes Solutions Noise Defective VR Defective IC TDA2030A Check and replace defective component s Replace Defective VR Replace defective IC TDA2030A Component s around IC is are defective ...

Страница 9: ...VEL 1 THD mV 500 500 40 5 FREQUENCY RESPONSE 1KHz 0dB 50Hz dB 3 3 0 5 1K dB 0 0 0 5 20K dB 3 3 0 5 6 S N RATED O P POWER dB 80 80 60 7 CHANNEL UNBALANCE REF O P POWER dB 0 3 0 3 0 5 8 CHANNEL SEPARATION ONE CHANNEL IN OTHER CHANNEL INPUT SHORTING dB 59 59 45 9 HUM NOISE VR MAX VOLUME MAX INPUT SHORTING mV 0 9 0 9 5 10 HUM NOISE VR MIN VOLUME MIN INPUT SHORTING mV 0 2 0 2 3 s Guide ervice SP HF1250...

Страница 10: ...Version 1 0 Page 9 15 s Guide ervice SP HF1250A Chapter 3 Block Diagram ...

Страница 11: ...Subwoofer s Guide ervice Chapter 4 Exploded View SP HF1250A Version 1 0 Page 10 15 ...

Страница 12: ...Version 1 0 Page 11 15 SATELLITE 12 11 1 9 8 6 7 5 4 3 2 10 s Guide ervice SP HF1250A Chapter 4 Exploded View ...

Страница 13: ... Switch Screw PAΦ3 0x10 zincification Black Color AL Board Black Color PCBA Cable Fastner 4K 4 PCBA IC ST TDA2030A Nut whit flange M4 zincification Black Color Transformer 230V 50HZ Screw M4 16 zincification Black Color Knob HIPS Silver Color Deco ring HIPS black coler Screw BAΦ3 0x12 zincification Black Color Rubber foot black color Screw BAΦ3 5x16 zincification Black Color 016800958 014700618 03...

Страница 14: ...ew BAΦ3 0x12 zincification Black Color Speaker 1 8Ω15W Female Button Wood box 9T MDF PVC F 517 3c Paper Tube IDΦ35 ODΦ39 70L Back board 9 0MDF Rubber foot black color Screw BAΦ3 5x16 zincification Black Color 016800958 014700618 034610688 010402978 017903258 010403028 027400148 033901658 015501168 034903148 015103558 017903268 s Guide ervice SP HF1250A Chapter 5 Part List ...

Страница 15: ...parate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending the PCB assembly by post in that it would avoid unnecessarily lost or damage 6 2 Short of spare parts while repairing a speaker system If you are short of spare parts when you have some spesker systems waiting to be repaired it would be recommended to take the necessary p...

Страница 16: ...34 1K R35 22K R36 22K 3 5 U2 B IC TDA2030 3 5 U3 B IC TDA2030 3 5 U4 B IC TDA2030 1 2 3 VR1 A 1 2 3 4 5 6 7 8 P2 R37 4 7K 1 2 3 VR2 A R38 2 7K C23 M 473 C24 M 124 1 2 3 VR3 A R39 5 6K C25 M 222 C26 M 103 4 5 6 VR1 B R40 4 7K 4 5 6 VR2 B R41 2 7K C27 M 473 C28 M 124 4 5 6 VR3 B R42 5 6K C29 M 222 C30 M 103 D1 IN5401 D2 IN5401 D3 IN5401 D4 IN5401 1 2 3 P3 C31 4700uF 25V C32 4700uF 25V C33 C 104 C34 ...

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