Onkyo SKS-HT320 Service Manual
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Onkyo SKS-HT320 Service Manual

Onkyo 5.1-ch home theater speaker package
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QQ
3 7 63 1515 0
Front Speakers (L / R)
"SKF-320F"
TE
L 13942296513
www
.
http://www.xiaoyu163.com
5.1-CH HOME THEATER SPEAKER PACKAGE
MODEL
Center Speaker
"SKC-320C"
SMDD
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
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.
x
ao
y
i
http://www.xiaoyu163.com
8
SERVICE MANUAL
SERVICE MANUAL
SKS-HT320(S)
Surround Speakers (L / R)
"SKM-320S"
Silver model
Q Q
3
6 7
1 3
120 V AC, 60Hz
u163
.
2 9
9 4
2 8
Ref. No. 3846
Powered Subwoofer
"SKW-320X"
1 5
0 5
8
2 9
9 4
ON THE
m
co
SKS-HT320
9 9
092004
2 8
9 9

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Summary of Contents for Onkyo SKS-HT320

  • Page 1 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...

  • Page 2: Specifications

    SKS-HT320 3 7 63 1515 0 SPECIFICATIONS Powered Subwoofer (SKW-320X) Center Speaker (SKC-320C) Type : Type : Powered Bass-reflex 2 Way Bass-reflex Input sensitivity / impedance : 220 mV / 15 k ohm Impedance : 8 ohm Maximum output power :...

  • Page 3: Exploded Views

    SKS-HT320 3 7 6 3 1 5 1 5 0 EXPLODED VIEWS-1 SKW-320X : POWERED SUBWOOFER SP06 x 10 pcs. Refer to "EXPLODED VIEWS-2" A05 x 4 pcs. L 1 3 9 4 2 2 9 6 5 1 3...
  • Page 4 SKS-HT320 3 7 6 3 1 5 1 5 0 EXPLODED VIEWS-2 SKW-320X : POWERED SUBWOOFER SP01 L 1 3 9 4 2 2 9 6 5 1 3 SP02 x 4 pcs. SP04 SP03 SP08 u 1 6 3 SP06 x 8 pcs.
  • Page 5 SKS-HT320 3 7 6 3 1 5 1 5 0 EXPLODED VIEWS-3 SKF-320F / SKC-320C / SKM-320S SP11 SP13 SP10 SP12 SP14 SP15 I N A l a c I N A I N A l a c G r e...
  • Page 6 http://www.xiaoyu163.com HTP-320 3 7 6 3 1 5 1 5 0 BLOCK DIAGRAM SKW-320 : POWERED SUBWOOFER L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3 http://www.xiaoyu163.com...
  • Page 7 http://www.xiaoyu163.com HT-320 3 7 63 1515 0 SCHEMATIC DIAGRAM SKW-320: POWERED SUBWOOFER L 13942296513 LINE INPUT OUTPUT LEVEL INPUT PC BOARD VR / LE u163 http://www.xiaoyu163.com...
  • Page 8 http://www.xiaoyu163.com HTP-320 3 7 63 1515 0 SPEAKER L 13942296513 MAIN PC BOARD u163 http://www.xiaoyu163.com...
  • Page 9 http://www.xiaoyu163.com HTP-320 3 7 6 3 1 5 1 5 0 SCHEMATIC DIAGRAM SKW-320: POWERED SUBWOOFER SPEAKER 1 3 9 4 2 2 9 6 5 1 3 LINE INPUT OUTPUT LEVEL RED : STANDBY GREEN : ON INPUT PC BOARD VR / LED PC BOARD MAIN PC BOARD w w w...
  • Page 10 http://www.xiaoyu163.com HTP320 3 7 6 3 1 5 1 5 0 PC BOARD CONNECTION DIAGRAM SKW-320 : POWERED SUBWOOFER INPUT PC BOARD MAIN PC BOARD L 1 3 9 4 2 2 9 6 5 1 3 VR / LED PC BOARD u 1 6 3 http://www.xiaoyu163.com...
  • Page 11 http://www.xiaoyu163.com HTP-320 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEW SKW-320POWERED SUBWOOFER MAIN PC BOARD L 13942296513 INPUT PC BOARD VR / LED PC BOARD u163 No PC board view Look over the actual PC board on hand http://www.xiaoyu163.com...

  • Page 12: Ordering Numbers

    http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 ® 120V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY VERY HIGH OPERATING VOLTAGE RANGE MULTIPOWER BCD TECHNOLOGY (±50V) DMOS POWER STAGE HIGH OUTPUT POWER (100W @ THD = = ±40V) 10%, R = 8Ω, V MUTING/STAND-BY FUNCTIONS NO SWITCH ON/OFF NOISE VERY LOW DISTORTION...

  • Page 13: Absolute Maximum Ratings

    http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 PIN CONNECTION (Top view) (POWER) (POWER) BOOTSTRAP LOADER BUFFER DRIVER MUTE STAND-BY (SIGNAL) (SIGNAL) BOOTSTRAP CLIP AND SHORT CIRCUIT DETECTOR SIGNAL GROUND NON INVERTING INPUT INVERTING INPUT STAND-BY GND TAB CONNECTED TO PIN 8 D97AU806 ABSOLUTE MAXIMUM RATINGS Symbol...

  • Page 14: Electrical Characteristics

    http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 = ±40V, R = 50 Ω; ELECTRICAL CHARACTERISTICS (Refer to the Test Circuit V = 8Ω, R = 25°C, f = 1 kHz; unless otherwise specified). Symbol Parameter Test Condition Min. Typ. Max. Unit ±12 ±50...
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 Figure 2: Typical Application P.C. Board and Component Layout (scale 1:1) L 13942296513 u163 4/15 http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 APPLICATION SUGGESTIONS (see Test and Application Circuits of the Fig. 1) The recommended values of the external components are those shown on the application circuit of Fig- ure 1. Different values can be used; the following table can help the designer. LARGER THAN SMALLER THAN COMPONENTS...
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 frequency response; moreover, an accurate con- INTRODUCTION trol of quiescent current is required. In consumer electronics, an increasing demand A local linearizing feedback, provided by differen- has arisen for very high power monolithic audio tial amplifier A, is used to fullfil the above require- amplifiers able to match, with a low cost, the per- ments, allowing a simple and effective quiescent...
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 Figure 4: Turn ON/OFF Suggested Sequence V IN (mV) V ST-BY PIN #9 V MUTE PIN #10 (mA) V OUT ST-BY L 13942296513 PLAY ST-BY MUTE MUTE D98AU817 mute functions, independently driven by two In addition to the overload protection described CMOS logic compatible input pins.

  • Page 19: Bridge Application

    http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 The TDA7293 is a monolithic MOS power ampli- The main advantages offered by this solution are: fier which can be operated at 100V supply voltage - High power performances with limited supply (120V with no signal applied) while delivering out- voltage level.
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 Figure 6: High Efficiency Application Circuit +50V BC394 1N4001 BDX53A D1 BYW98100 +25V BC393 BC393 R17 270 L1 1µH D3 1N4148 C12 330nF Z1 3.9V C11 22µF R3 680 1000µF 100nF 1000µF 100nF 330nF 3.3K 1.8nF...
  • Page 21 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 Figure 6b: PCB - Solder Side of the fig. 6. Figure 7: Modular Application Circuit L 13942296513 C7 100nF C6 1000µF R3 22K MASTER BUFFER +PWVs DRIVER 22µF 680Ω C1 470nF 100nF BOOT R1 22K LOADER 2Ω...
  • Page 22 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 Figure 8a: Modular Application P.C. Board and Component Layout (scale 1:1) (Component SIDE) L 13942296513 Figure 8b: Modular Application P.C. Board and Component Layout (scale 1:1) (Solder SIDE) u163 11/15 http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 Figure 12: Modular Application Derating Rload Figure 9: Distortion vs Output Power vs Vsupply (ref. fig. 7) T.H.D (%) Vs = +/-29V f = 20 KHz Rl = 4 Ohm 0.05 0.02 f = 1KHz Forbidden Area 0.01 Pd >...
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 L 13942296513 u163 13/15 http://www.xiaoyu163.com...
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 inch DIM. OUTLINE AND MIN. TYP. MAX. MIN. TYP. MAX. MECHANICAL DATA 0.197 2.65 0.104 0.063 0.49 0.55 0.019 0.022 0.66 0.75 0.026 0.030 1.14 1.27 0.045 0.050 0.055 17.57 17.78 17.91 0.692 0.700 0.705 19.6...
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 TDA7293 L 13942296513 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics.

  • Page 27: General Description

    http://www.xiaoyu163.com 3 7 63 1515 0 August 2000 LM124/LM224/LM324/LM2902 Low Power Quad Operational Amplifiers General Description Advantages n Eliminates need for dual supplies The LM124 series consists of four independent, high gain, internally frequency compensated operational amplifiers n Four internally compensated op amps in a single which were designed specifically to operate from a single package power supply over a wide range of voltages.

  • Page 28: Connection Diagram

    http://www.xiaoyu163.com 3 7 63 1515 0 Connection Diagram (Continued) Note 3: See STD Mil DWG 5962R99504 for Radiation Tolerant Device DS009299-33 Order Number LM124AW/883, LM124AWG/883, LM124W/883 or LM124WG/883 LM124AWRQML and LM124AWRQMLV(Note 3) See NS Package Number W14B LM124AWGRQML and LM124AWGRQMLV(Note 3) See NS Package Number WG14A Schematic Diagram (Each Amplifier)

  • Page 29: Electrical Characteristics

    http://www.xiaoyu163.com 3 7 63 1515 0 Absolute Maximum Ratings (Note 12) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. LM124/LM224/LM324 LM2902 LM124A/LM224A/LM324A Supply Voltage, V Differential Input Voltage Input Voltage −0.3V to +32V −0.3V to +26V Input Current...
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 Electrical Characteristics (Continued) = +5.0V, (Note 7), unless otherwise stated LM124A LM224A LM324A Parameter Conditions Units Power Supply = 5V to 30V Rejection Ratio (LM2902, V = 5V to 26V), = 25˚C Amplifier-to-Amplifier f = 1 kHz to 20 kHz, T = 25˚C −120 −120...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 Electrical Characteristics (Continued) = +5.0V, (Note 7), unless otherwise stated LM124/LM224 LM324 LM2902 Parameter Conditions Units = 25˚C Amplifier-to-Amplifier f = 1 kHz to 20 kHz, T = 25˚C −120 −120 −120 Coupling (Note 11) (Input Referred) −...

  • Page 32: Typical Performance Characteristics

    http://www.xiaoyu163.com 3 7 63 1515 0 Typical Performance Characteristics Input Voltage Range Input Current DS009299-34 DS009299-35 Supply Current Voltage Gain L 13942296513 DS009299-36 DS009299-37 Open Loop Frequency Common Mode Rejection Response Ratio DS009299-38 DS009299-39 u163 www.national.com http://www.xiaoyu163.com...
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Performance Characteristics (Continued) Voltage Follower Pulse Voltage Follower Pulse Response Response (Small Signal) DS009299-40 DS009299-41 Large Signal Frequency Output Characteristics Response Current Sourcing L 13942296513 DS009299-42 DS009299-43 Output Characteristics Current Limiting Current Sinking DS009299-45 DS009299-44 u163...

  • Page 34: Application Hints

    http://www.xiaoyu163.com 3 7 63 1515 0 Typical Performance Characteristics (Continued) Input Current (LM2902 only) Voltage Gain (LM2902 only) DS009299-46 DS009299-47 Application Hints The LM124 series are op amps which operate with only a Where the load is directly coupled, as in dc applications, single power supply voltage, have true-differential inputs, there is no crossover distortion.
  • Page 35 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V Non-Inverting DC Gain (0V Input = 0V Output) DS009299-5 R not needed due to temperature independent I DC Summing Amplifier Power Amplifier ≥ 0 V ≥ V and V IN’S L 13942296513 DS009299-7...
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) LED Driver “BI-QUAD” RC Active Bandpass Filter DS009299-8 DS009299-9 = 1 kHz Q = 50 = 100 (40 dB) L 13942296513 Fixed Current Sources Lamp Driver DS009299-11 DS009299-10 u163...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) Current Monitor Driving TTL DS009299-13 DS009299-12 (Increase R1 for I small) Voltage Follower Pulse Generator L 13942296513 DS009299-14 DS009299-15 u163 www.national.com http://www.xiaoyu163.com...
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) Squarewave Oscillator Pulse Generator DS009299-16 DS009299-17 High Compliance Current Sink L 13942296513 DS009299-18 = 1 amp/volt V (Increase R for I small) u163 www.national.com http://www.xiaoyu163.com...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) Low Drift Peak Detector DS009299-19 Comparator with Hysteresis Ground Referencing a Differential Input Signal L 13942296513 DS009299-20 DS009299-21 u163 www.national.com http://www.xiaoyu163.com...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) Voltage Controlled Oscillator Circuit DS009299-22 ≤ V ≤ 2 (V Wide control voltage range: 0 V −1.5 V Photo Voltaic-Cell Amplifier L 13942296513 DS009299-23 AC Coupled Inverting Amplifier DS009299-24 u163 www.national.com...
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) AC Coupled Non-Inverting Amplifier DS009299-25 DC Coupled Low-Pass RC Active Filter L 13942296513 DS009299-26 = 1 kHz Q = 1 u163 www.national.com http://www.xiaoyu163.com...
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) High Input Z, DC Differential Amplifier DS009299-27 High Input Z Adjustable-Gain DC Instrumentation Amplifier L 13942296513 DS009299-28 u163 www.national.com http://www.xiaoyu163.com...
  • Page 43 http://www.xiaoyu163.com 3 7 63 1515 0 Typical Single-Supply Applications = 5.0 V ) (Continued) Using Symmetrical Amplifiers to Bridge Current Amplifier Reduce Input Current (General Concept) DS009299-30 DS009299-29 L 13942296513 Bandpass Active Filter DS009299-31 = 1 kHz Q = 25 u163 www.national.com http://www.xiaoyu163.com...

  • Page 44: Physical Dimensions

    http://www.xiaoyu163.com 3 7 63 1515 0 Physical Dimensions inches (millimeters) unless otherwise noted Ceramic Dual-In-Line Package (J) Order Number JL124ABCA, JL124BCA, JL124ASCA, JL124SCA, LM124J, LM124AJ, LM124AJ/883, LM124J/883, LM224J, LM224AJ or LM324J NS Package Number J14A L 13942296513 MX S.O. Package (M) Order Number LM324M, LM324MX, LM324AM, LM324AMX, LM2902M or LM2902MX NS Package Number M14A u163...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Molded Dual-In-Line Package (N) Order Number LM324N, LM324AN or LM2902N NS Package Number N14A L 13942296513 Ceramic Flatpak Package Order Number JL124ABDA, JL124ABZA, JL124ASDA, JL124BDA, JL124BZA, JL124SDA, LM124AW/883, LM124AWG/883, LM124W/883 or LM124WG/883 NS Package Number W14B u163...

  • Page 46: Life Support Policy

    http://www.xiaoyu163.com 3 7 63 1515 0 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) L 13942296513 14-Pin TSSOP Order NumberLM324MT or LM324MTX NS Package Number MTC14 LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION.

  • Page 47: Packing Procedures

    SKS-HT320 3 7 63 1515 0 PACKING PROCEDURES-1 Upper side marking SP02 SP06 SP05 SP08 SP01 Upper side marking SP08 SP08 SP05 Upper side marking L 13942296513 SP08 SP04 SP03 Front side SP08 SP07 u163 http://www.xiaoyu163.com...
  • Page 48 SKS-HT320 3 7 63 1515 0 PACKING PROCEDURES-2 SP15 SP16 L = 15 ft. L = 30 ft. (22# 4.5 m) (22# 9 m) (White / Black) (Blue / Black) L = 15 ft. L = 30 ft. (22# 4.5 m)

  • Page 49: Exploded Views Parts List

    D87.5 x D37.5 x H50 HIPS BPE8000040001 EXPLODED SP03 STAND BOARD ANF860005-BM10 EXPLODED SP04 LOGO PLATE SKW-320X / ONKYO NAME PLATE BPL800155-0001 EXPLODED SP05 WOOD SCREW D8 x D4 x L75 PAN HEAD (FOR FOOT) NST8550514750 EXPLODED SP06 WOOD SCREW...

  • Page 50: Printed Circuit Board Parts List

    L860 x W650 x T0.015 (FOR SKW) IVA803101-0022 PACKING SP08 TAPE (SEROHAN) NITTO NO.29 (Yellow) (1) 29110149 PACKING SP11 CARTON BOX SKS-HT320 (S) ICC8T320S-BM10 PACKING SP12 PP TAPE (1) 29110071 or PACKING SP12 PP TAPE NITTO 3703 SUPER W50L100 (1) 29110176...
  • Page 51 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 http://www.onkyousa.com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.onkyo.net ONKYO CHINA LIMITED Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung, u163 N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039...

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