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SKS-HT320

SERVICE MANUAL

SERVICE MANUAL

5.1-CH HOME THEATER SPEAKER PACKAGE

Silver model

MODEL 

SKS-HT320(S)

120 V AC, 60Hz

SMDD

Ref. No. 3846

092004

Front Speakers (L / R)

"SKF-320F"

Center Speaker

"SKC-320C"

Surround Speakers (L / R)

"SKM-320S"

Powered Subwoofer

"SKW-320X"

SAFETY-RELATED COMPONENT 
WARNING!!

COMPONENTS IDENTIFIED BY MARK         ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

IN THIS MANUAL.

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.

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 HTP-320

Page 1: ...ARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL MAKE LEAKAGE CURRENT OR RESISTANCE MEASUREMENTS T...

Page 2: ...ponse Crossover frequency Cabinet capacity Dimensions W x H x D Weight Speaker unit Woofer Tweeter Terminal Other 2 Way Bass reflex 8 ohm 100 W 78 dB W m 70 Hz 50 kHz 4 5 kHz 0 057 cubic feet 1 6 Litt...

Page 3: ...e IC501 Refer to PRINTED CIRCUIT BOARD PARTS LIST Refer to EXPLODED VIEWS 2 www x i a o y u 1 6 3 c o m QQ 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 TEL 1 3 94 2 2 9 6 5 13 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7...

Page 4: ...01 SP03 SP05 x 8 pcs SP02 x 4 pcs www x i a o y u 1 6 3 c o m QQ 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 TEL 1 3 94 2 2 9 6 5 13 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498...

Page 5: ...TERMINAL Red Black TERMINAL Green Black TERMINAL Blue Black TERMINAL Gray Black NOT MAGNETICALLY SHIELDED NOT MAGNETICALLY SHIELDED www x i a o y u 1 6 3 c o m QQ 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8...

Page 6: ...www x i a o y u 1 6 3 c o m QQ 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 TEL 1 3 94 2 2 9 6 5 13 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...

Page 7: ...T PC BOARD U02 MAIN PC BOARD U01 VR LED PC BOARD U03 LED RED STANDBY GREEN ON 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...

Page 8: ...0Hz SPEAKER INPUT PC BOARD U02 MAIN PC BOARD U01 VR LED PC BOARD U03 LED RED STANDBY GREEN ON 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 TE...

Page 9: ...OARD U02 MAIN PC BOARD U01 VR LED PC BOARD U03 LED RED STANDBY GREEN ON 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...

Page 10: ...R LED PC BOARD INPUT PC BOARD www x i a o y u 1 6 3 c o m QQ 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 TEL 1 3 94 2 2 9 6 5 13 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...

Page 11: ...D U01 VR LED PC BOARD U03 No PC board view Look over the actual PC board on hand 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...

Page 12: ...ay simplifies the remote operation avoiding switching on off noises Parallel mode is made possible by connecting more device through of pin11 High output power can be delivered to very low impedance l...

Page 13: ...ut Peak Current 10 A Ptot Power Dissipation Tcase 70 C 50 W Top Operating Ambient Temperature Range 0 to 70 C Tstg Tj Storage and Junction Temperature 150 C 1 2 3 4 5 6 7 9 10 11 8 BUFFER DRIVER MUTE...

Page 14: ...hermal Protection DEVICE MUTED 150 C DEVICE SHUT DOWN 160 C STAND BY FUNCTION Ref to pin 1 VST on Stand by on Threshold 1 5 V VST off Stand by off Threshold 3 5 V ATTst by Stand by Attenuation 70 90 d...

Page 15: ...yout scale 1 1 TDA7293 4 15 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...

Page 16: ...R MUTE ON OFF TIME SMALLER MUTE ON OFF TIME C4 10 F ST BY TIME CONSTANT LARGER ST BY ON OFF TIME SMALLER ST BY ON OFF TIME POP NOISE C5 22 FXN BOOTSTRAPPING SIGNAL DEGRADATION AT LOW FREQUENCY C6 C8 1...

Page 17: ...ent is required A local linearizing feedback provided by differen tial amplifier A is used to fullfil the above require ments allowing a simple and effective quiescent current setting Proper biasing o...

Page 18: ...the pins the maximum appli cable range corresponds to the operating supply voltage APPLICATION INFORMATION HIGH EFFICIENCY Constraints of implementing high power solutions are the power dissipation a...

Page 19: ...d current capability reasons A suitable field of application includes HI FI TV subwoofers realizations The main advantages offered by this solution are High power performances with limited supply volt...

Page 20: ...C393 T7 BC394 T8 BC394 R9 270 R10 270 R11 20K OUT IN C7 100nF C5 1000 F 35V C8 100nF C6 1000 F 35V C1 1000 F 63V C2 1000 F 63V C3 100nF C4 100nF 50V 25V D1 BYW98100 GND 25V 50V D97AU807C 12 D6 1N4001...

Page 21: ...AL SHUTDOWN S C PROTECTION 1 STBY GND 7 13 14 6 15 8 Vs PWVs BOOTSTRAP OUT PWVs Vs C9 100nF C8 1000 F Vs Vs C7 100nF C6 1000 F BUFFER DRIVER 11 BOOT LOADER 12 5 CLIP DET 5 MASTER SLAVE C10 100nF R7 2...

Page 22: ...ication P C Board and Component Layout scale 1 1 Component SIDE TDA7293 11 15 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...

Page 23: ...7 20 25 30 35 40 45 50 Supply Voltage Vcc 0 1 2 3 4 5 6 Minimum Allovable Load ohm ForbiddenArea Pd 50Wat Tcase 70 C Figure 12 Modular Application Derating Rload vs Vsupply ref fig 7 10 12 14 16 18 20...

Page 24: ...oyu163 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 ht...

Page 25: ...17 5 17 75 0 679 0 689 0 699 L4 10 3 10 7 10 9 0 406 0 421 0 429 L5 5 28 0 208 L6 2 38 0 094 L7 2 65 2 9 0 104 0 114 S 1 9 2 6 0 075 0 102 S1 1 9 2 6 0 075 0 102 Dia1 3 65 3 85 0 144 0 152 Multiwatt15...

Page 26: ...s products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics The ST logo is a registered trademark of STMicroe...

Page 27: ...e n Allows directly sensing near GND and VOUT also goes to GND n Compatible with all forms of logic n Power drain suitable for battery operation Features n Internally frequency compensated for unity g...

Page 28: ...AWRQML and LM124AWRQMLV Note 3 See NS Package Number W14B LM124AWGRQML and LM124AWGRQMLV Note 3 See NS Package Number WG14A DS009299 2 LM124 LM224 LM324 LM2902 www national com 2 www xiaoyu163 com QQ3...

Page 29: ...220 C See AN 450 Surface Mounting Methods and Their Effect on Product Reliability for other methods of soldering surface mount devices ESD Tolerance Note 13 250V 250V Electrical Characteristics V 5 0V...

Page 30: ...8 27 28 27 28 VOL V 5V RL 10 k 5 20 5 20 5 20 mV Output Current Source VO 2V VIN 1V 10 20 10 20 10 20 VIN 0V V 15V mA Sink VIN 1V 10 15 5 8 5 8 VIN 0V V 15V Electrical Characteristics V 5 0V Note 7 un...

Page 31: ...lifiers Note 6 This input current will only exist when the voltage at any of the input leads is driven negative It is due to the collector base junction of the input PNP tran sistors becoming forward...

Page 32: ...n Loop Frequency Response DS009299 38 Common Mode Rejection Ratio DS009299 39 LM124 LM224 LM324 LM2902 www national com 6 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2...

Page 33: ...Characteristics Current Sourcing DS009299 43 Output Characteristics Current Sinking DS009299 44 Current Limiting DS009299 45 LM124 LM224 LM324 LM2902 www national com 7 www xiaoyu163 com QQ376315150...

Page 34: ...se the class A bias current and prevent crossover distortion Where the load is directly coupled as in dc applications there is no crossover distortion Capacitive loads which are applied directly to th...

Page 35: ...DS009299 6 Where V0 V1 V2 V3 V4 V1 V2 V3 V4 to keep VO 0 VDC Power Amplifier DS009299 7 V0 0 VDC for VIN 0 VDC AV 10 LM124 LM224 LM324 LM2902 www national com 9 www xiaoyu163 com QQ376315150 9 9 2 8 9...

Page 36: ...00 40 dB Fixed Current Sources DS009299 10 Lamp Driver DS009299 11 LM124 LM224 LM324 LM2902 www national com 10 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...

Page 37: ...Voltage Follower DS009299 14 Pulse Generator DS009299 15 LM124 LM224 LM324 LM2902 www national com 11 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 38: ...ent Sink DS009299 18 IO 1 amp volt VIN Increase RE for Io small LM124 LM224 LM324 LM2902 www national com 12 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...

Page 39: ...nd Referencing a Differential Input Signal DS009299 21 VO VR LM124 LM224 LM324 LM2902 www national com 13 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...

Page 40: ...oto Voltaic Cell Amplifier DS009299 23 AC Coupled Inverting Amplifier DS009299 24 LM124 LM224 LM324 LM2902 www national com 14 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9...

Page 41: ...RC Active Filter DS009299 26 fO 1 kHz Q 1 AV 2 LM124 LM224 LM324 LM2902 www national com 15 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...

Page 42: ...table Gain DC Instrumentation Amplifier DS009299 28 LM124 LM224 LM324 LM2902 www national com 16 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...

Page 43: ...ent Amplifier DS009299 30 Bandpass Active Filter DS009299 31 fO 1 kHz Q 25 LM124 LM224 LM324 LM2902 www national com 17 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9...

Page 44: ...4J NS Package Number J14A MX S O Package M Order Number LM324M LM324MX LM324AM LM324AMX LM2902M or LM2902MX NS Package Number M14A LM124 LM224 LM324 LM2902 www national com 18 www xiaoyu163 com QQ3763...

Page 45: ...L124ABDA JL124ABZA JL124ASDA JL124BDA JL124BZA JL124SDA LM124AW 883 LM124AWG 883 LM124W 883 or LM124WG 883 NS Package Number W14B LM124 LM224 LM324 LM2902 www national com 19 www xiaoyu163 com QQ37631...

Page 46: ...iveness National Semiconductor Corporation Americas Tel 1 800 272 9959 Fax 1 800 737 7018 Email support nsc com National Semiconductor Europe Fax 49 0 180 530 85 86 Email europe support nsc com Deutsc...

Page 47: ...Upper side marking Upper side marking Upper side marking Front side 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...

Page 48: ...2 SP12 SP11 L 10 ft 3 m Black RCA Refer to PACKING PROCEDURES 1 L 30 ft 22 9 m Gray Black SP18 Front side SP08 SP17 SP16 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9...

Page 49: ...EAT SINK ALL PARTS FOR MAIN PC BOARD EXPLODED U02 INPUT PC BOARD ASS Y INPUT PC BOARD ASS Y 1 APE4012125001 EXPLODED Note EXPLODED U02 INPUT PC BOARD ASS Y INPUT PC BOARD with RCA JACK CORD ASS Y EXPL...

Page 50: ...M BAG L320 x W240 x T0 015 FOR SKF SKM 4 IVA803102 0010 PACKING SP06 PO BAG HM BAG L400 x W240 x T0 015 FOR SKC 1 IVA803102 0011 PACKING SP07 PO BAG HM BAG L860 x W650 x T0 015 FOR SKW 1 IVA803101 002...

Page 51: ...s 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 072 831...

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