Russound R-SERIES User Manual
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Russound R-SERIES User Manual

2-channel power amplifier with local source switching
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  • Page 3 R-Series R235LS 2-Channel Power Amplifier with Local Source Switching User’s Manual R 2 3 5 L S P O W E R M P L I F I E R...

  • Page 4: Important Safeguards

    IMPORTANT SAFEGUARDS of the type described in the operating instructions or as marked on the appli- ance. 12.Main Power Disconnect - The power switch is a single-pole switch. When the switch is in the “Off” position, the appliance is not completely disconnected from the main power.

  • Page 5: Front Panel

    R235LS AMPLIFIER INTRODUCTION The R235LS is rated at 35 watts per channel into 8 The Russound R235LS is a 2-channel power amplifier ohms and 50 watts per channel into 4 ohms. With the with automatic local source switching capability. Stereo/Bridge Mono switch in the Bridge Mono position, The R235LS allows a local source (e.g., PC or TV in the...
  • Page 6 R235LS AMPLIFIER Line Input: The line audio input is a sensing input Default Input: The default input is a speaker-level that will activate the amplifier when an audio signal passthrough from the default input to the speaker from a source is present. Only the Left input is used output.

  • Page 7: Bridged Operation

    8-ohm Speaker THERMAL PROTECTION PROTECTION CIRCUITRY All Russound amplifiers are designed with special circuit- All Russound amplifiers are designed with special circuit- ry to safeguard the amplifier under a thermal overload ry to safeguard the amplifier under a short-circuit condi- condition.

  • Page 8: Possible System Configuration

    R235LS AMPLIFIER POSSIBLE SYSTEM CONFIGURATION The R235LS can be used as a single-source two-channel whole-house audio distribution system) and a local zone amplifier, or as a local-source amplifier that auto- source (e.g., a television set in the bedroom or a PC in matically switches between a default source (e.g., a the office).

  • Page 9: Specifications

    8.5 lbs. (3.8kg) WARRANTY The Russound R235LS is fully guaranteed for two (2) years from the date of purchase against all defects in materials and workmanship. During this period Russound will replace any defective parts and correct any defect in workman- ship without charge for either parts or labor.
  • Page 10 R-Series R235LS 2-Channel Power Amplifier with Local Source Switching User’s Manual 5 Forbes Rd. Newmarket, NH 03857, USA Tel 603.659.5170 • Fax 603.659.5388 e-mail: tech@russound.com 28-1166 06/24/05...

  • Page 11: Equipment Needed

    R235LS Test Procedure March 28, 2005 The purpose of this Test Procedure is to instruct both the Russound Test Department and any outside Service Technician as well. Equipment Needed: R235LS R235LS Instruction Manual Amplified Source (Am/FM Tuner) CD player Speakers Trigger Test LED (A red LED with a 1K Ohm resistor soldered to a 1/8”...
  • Page 12 Audio and Trigger Test: 1) Connect the CD player line level output to Line In Left and Right jacks. 2) Place a Trigger Test LED into the Trigger Out 12V jack. 3) Press Play on the CD player and play any song. 4) The Front Panel LED will illuminate Green.
  • Page 13 12) Adjust the Delay Time control fully counter clockwise. 13) Take a 12V power supply (Russound 1201A with a 1/8” phone jack attached) and plug into the Trigger In. (Power supply must have a rating of 12V 100ma). 14) The Trigger Test LED will illuminate Red and the Front Panel LED will turn Green.
  • Page 14 Protection Circuitry Preparation: Build the following jumpers for this test. There will be two jumpers total. ***Use 16AWG wire only*** Short R+ and R- of one Speaker A connector. ***Use 16AWG wire only*** Short L+ and L- of a second Speaker A connector. ***Use 16AWG wire only*** Left Right Speaker...
  • Page 15 Protection Circuitry Test: 1) Connect the CD player line level output to Line In Left and Right jacks. 2) Adjust Left and Right gain controls fully counter clockwise. 3) Set the Stereo/ Bridge Mono slide switch to the Stereo position. 4) Press Play on the CD player and play any song.
  • Page 16 The settings for each zone should be as follows before repacking: 1) Adjust Left and Right gain controls fully counter clockwise. 2) Set the Stereo/ Bridge Mono slide switch to the Stereo position. 3) Adjust the Delay Time control fully counter clockwise. COMPLETE ANY NECESSARY PAPERWORK AT THIS POINT, REMEMBERING TO KEEP TRACK OF THE SERIAL NUMBER.
  • Page 17 BLUE(P402A) RED(P401A) P201B RED(P401A) BLUE(P402A) HS4-R235LS_B007_VM1.0-POW.SCH HS4-R235LS_B007_VM1.0-POW.SCH HS4-R235LS_B007_VM1.0-POW.SCH RUSSOUND R235LS POWER AMPLIFIER RUSSOUND R235LS POWER AMPLIFIER RUSSOUND R235LS POWER AMPLIFIER POWER SUPPLY SECTION POWER SUPPLY SECTION POWER SUPPLY SECTION Thursday, March 17, 2005 Thursday, March 17, 2005 Thursday, March 17, 2005...
  • Page 18 All Resistor are 1/4W unless noted. 47uF 47uF /16V C162 C162 100uF 100uF /16V RUSSOUND R235LS POWER AMPLIFIER RUSSOUND R235LS POWER AMPLIFIER RUSSOUND R235LS POWER AMPLIFIER 220nF 220nF 100K 100K MAIN POWER AMPLIFIER SECTION MAIN POWER AMPLIFIER SECTION MAIN POWER AMPLIFIER SECTION...
  • Page 19 +15VA HI LEVEL INPUT HI LEVEL INPUT SEN CONFIDENTIAL HS4-R235LS_B007_VM1.0-AMPIN.SCH HS4-R235LS_B007_VM1.0-AMPIN.SCH HS4-R235LS_B007_VM1.0-AMPIN.SCH RUSSOUND R235LS POWER AMPLIFIER RUSSOUND R235LS POWER AMPLIFIER RUSSOUND R235LS POWER AMPLIFIER POWER AMPLIFIER INPUT SECTION POWER AMPLIFIER INPUT SECTION POWER AMPLIFIER INPUT SECTION Thursday, March 17, 2005...
  • Page 20 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 21 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 22 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 23 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 24 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 25 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 26 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 27 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 28 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...
  • Page 29 汉桑（南京）电子有限公司 R235LS PARTS LIST 版本：VM1.5 文件编号：HS4-R235LS_B013VM1.5 用途：for MP 日期：2005-3-22 PTA审核： 拟制（电路/结构）： 项目负责人审核： 开发主管（电子/结构）批准： 日期： 日期： 日期： 日期： Manufacture Consump Confirm Description/名称 Part Type Designator Footprint Leg Spceing Manufacturer model no. Remark tive parts status ed parts 关键 已确认 层次 编号 中文...

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