https://cdeever.github.io/repair-alpine-mrp-f250/docs/specifications/Recent content in Specifications on Alpine MRP-F250 Repair GuideHugoen-ushttps://cdeever.github.io/repair-alpine-mrp-f250/docs/specifications/electrical-specs/Mon, 01 Jan 0001 00:00:00 +0000https://cdeever.github.io/repair-alpine-mrp-f250/docs/specifications/electrical-specs/<h1 id="electrical-specifications">Electrical Specifications<a class="anchor" href="#electrical-specifications">#</a></h1> <p>Complete electrical specifications from the Alpine service manual.</p> <h2 id="power-output">Power Output<a class="anchor" href="#power-output">#</a></h2> <table> <thead> <tr> <th>Configuration</th> <th>Load</th> <th>THD+N</th> <th>Power</th> </tr> </thead> <tbody> <tr> <td>4-channel</td> <td>4Ω × 4</td> <td>0.8%</td> <td>40W</td> </tr> <tr> <td>4-channel</td> <td>2Ω × 4</td> <td>1.0%</td> <td>50W</td> </tr> <tr> <td>2-channel BTL</td> <td>4Ω × 2</td> <td>1.0%</td> <td>100W</td> </tr> </tbody> </table> <h2 id="total-harmonic-distortion">Total Harmonic Distortion<a class="anchor" href="#total-harmonic-distortion">#</a></h2> <table> <thead> <tr> <th>Configuration</th> <th>Power</th> <th>Frequency</th> <th>THD</th> </tr> </thead> <tbody> <tr> <td>4Ω × 4</td> <td>40W</td> <td>20Hz-20kHz</td> <td>0.2%</td> </tr> <tr> <td>2Ω × 4</td> <td>50W</td> <td>20Hz-20kHz</td> <td>1%</td> </tr> <tr> <td>4Ω BTL × 2</td> <td>100W</td> <td>20Hz-20kHz</td> <td>1%</td> </tr> </tbody> </table> <h2 id="input-sensitivity">Input Sensitivity<a class="anchor" href="#input-sensitivity">#</a></h2> <h3 id="rca-input">RCA Input<a class="anchor" href="#rca-input">#</a></h3> <table> <thead> <tr> <th>Gain Position</th> <th>Output Level</th> <th>Sensitivity</th> </tr> </thead> <tbody> <tr> <td>0.2V</td> <td>12.6V sine</td> <td>0.2V ±0.05V</td> </tr> <tr> <td>4.0V</td> <td>12.6V sine</td> <td>4.0V ±1V</td> </tr> </tbody> </table> <h3 id="speaker-level-input">Speaker Level Input<a class="anchor" href="#speaker-level-input">#</a></h3> <table> <thead> <tr> <th>Gain Position</th> <th>Output Level</th> <th>Sensitivity</th> </tr> </thead> <tbody> <tr> <td>0.2V</td> <td>12.6V sine</td> <td>0.4V ±0.1V</td> </tr> <tr> <td>4.0V</td> <td>12.6V sine</td> <td>8.0V ±2V</td> </tr> </tbody> </table> <h2 id="pre-out-level">Pre-Out Level<a class="anchor" href="#pre-out-level">#</a></h2> <table> <thead> <tr> <th>Input</th> <th>Output</th> </tr> </thead> <tbody> <tr> <td>0.5V RMS</td> <td>0.5V ±0.1V</td> </tr> </tbody> </table> <h2 id="frequency-response">Frequency Response<a class="anchor" href="#frequency-response">#</a></h2> <table> <thead> <tr> <th>Frequency</th> <th>Reference</th> <th>Level</th> </tr> </thead> <tbody> <tr> <td>10Hz</td> <td>1kHz @ 0dB</td> <td>-1 to 0dB</td> </tr> <tr> <td>50kHz</td> <td>1kHz @ 0dB</td> <td>-1 to 0dB</td> </tr> </tbody> </table> <h2 id="channel-separation">Channel Separation<a class="anchor" href="#channel-separation">#</a></h2> <table> <thead> <tr> <th>Condition</th> <th>Frequency</th> <th>Separation</th> </tr> </thead> <tbody> <tr> <td>Input shorted</td> <td>1kHz, 1W</td> <td>55dB</td> </tr> </tbody> </table> <h2 id="signal-to-noise-ratio">Signal-to-Noise Ratio<a class="anchor" href="#signal-to-noise-ratio">#</a></h2> <table> <thead> <tr> <th>Condition</th> <th>S/N</th> </tr> </thead> <tbody> <tr> <td>Input shorted, Signal 40W</td> <td>100dB</td> </tr> </tbody> </table> <h2 id="remote-turn-on">Remote Turn-On<a class="anchor" href="#remote-turn-on">#</a></h2> <table> <thead> <tr> <th>Parameter</th> <th>Value</th> </tr> </thead> <tbody> <tr> <td>ON Voltage</td> <td>5V - 7.5V</td> </tr> <tr> <td>Current Drain</td> <td>1.1mA ±0.3mA</td> </tr> </tbody> </table> <h2 id="current-drain">Current Drain<a class="anchor" href="#current-drain">#</a></h2> <table> <thead> <tr> <th>Condition</th> <th>Current</th> </tr> </thead> <tbody> <tr> <td>No signal</td> <td>0.5A - 1.2A</td> </tr> <tr> <td>40W × 4 (4Ω, 1kHz)</td> <td>18A ±5A</td> </tr> <tr> <td>Backup (15 sec later)</td> <td>0.1mA</td> </tr> </tbody> </table> <h2 id="power-source">Power Source<a class="anchor" href="#power-source">#</a></h2> <table> <thead> <tr> <th>Parameter</th> <th>Value</th> </tr> </thead> <tbody> <tr> <td>Nominal Voltage</td> <td>DC 14.4V</td> </tr> <tr> <td>Operating Range</td> <td>10.5V - 16V</td> </tr> </tbody> </table> <h2 id="fuse-requirements">Fuse Requirements<a class="anchor" href="#fuse-requirements">#</a></h2> <table> <thead> <tr> <th>Location</th> <th>Rating</th> </tr> </thead> <tbody> <tr> <td>Battery Line</td> <td>15A (Peak) × 2</td> </tr> </tbody> </table> <h2 id="physical-specifications">Physical Specifications<a class="anchor" href="#physical-specifications">#</a></h2> <table> <thead> <tr> <th>Parameter</th> <th>Value</th> </tr> </thead> <tbody> <tr> <td>Width</td> <td>279mm</td> </tr> <tr> <td>Height</td> <td>60.33mm</td> </tr> <tr> <td>Depth</td> <td>241.4mm</td> </tr> <tr> <td>Weight</td> <td>2.7kg</td> </tr> </tbody> </table> <h2 id="internal-voltage-rails">Internal Voltage Rails<a class="anchor" href="#internal-voltage-rails">#</a></h2> <table> <thead> <tr> <th>Rail</th> <th>Voltage</th> <th>Purpose</th> </tr> </thead> <tbody> <tr> <td>+25V</td> <td>+25VDC</td> <td>Output stage positive</td> </tr> <tr> <td>-25V</td> <td>-25VDC</td> <td>Output stage negative</td> </tr> <tr> <td>+23V</td> <td>+23VDC</td> <td>Driver stage positive</td> </tr> <tr> <td>-23V</td> <td>-23VDC</td> <td>Driver stage negative</td> </tr> <tr> <td>+14V</td> <td>+14VDC</td> <td>Preamp positive</td> </tr> <tr> <td>-14V</td> <td>-14VDC</td> <td>Preamp negative</td> </tr> <tr> <td>+5V</td> <td>+5VDC</td> <td>Reference (IC920)</td> </tr> </tbody> </table>https://cdeever.github.io/repair-alpine-mrp-f250/docs/specifications/parts-list/Mon, 01 Jan 0001 00:00:00 +0000https://cdeever.github.io/repair-alpine-mrp-f250/docs/specifications/parts-list/<h1 id="parts-list">Parts List<a class="anchor" href="#parts-list">#</a></h1> <p>Key components commonly needed for repairs. For the complete parts list, refer to the service manual pages 13-25.</p> <h2 id="semiconductors---power-supply">Semiconductors - Power Supply<a class="anchor" href="#semiconductors---power-supply">#</a></h2> <h3 id="switching-fets">Switching FETs<a class="anchor" href="#switching-fets">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>Q903-Q906</td> <td>48E39087S01</td> <td>FET, 2SK3662</td> <td>4</td> </tr> </tbody> </table> <h3 id="gate-drivers">Gate Drivers<a class="anchor" href="#gate-drivers">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>Q901, Q902</td> <td>48E39095S01</td> <td>TR, 2SB1132(Q)-T100</td> <td>2</td> </tr> </tbody> </table> <h3 id="rectifier-diodes">Rectifier Diodes<a class="anchor" href="#rectifier-diodes">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>D801, D808</td> <td>48E39098S01</td> <td>DIO, 11EFS2-TB5</td> <td>2</td> </tr> <tr> <td>D802</td> <td>48E39085S01</td> <td>DIO, FCH10A15</td> <td>1</td> </tr> <tr> <td>D803</td> <td>48E39086S01</td> <td>DIO, FRH10A15</td> <td>1</td> </tr> </tbody> </table> <h3 id="voltage-regulators">Voltage Regulators<a class="anchor" href="#voltage-regulators">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>Q801</td> <td>48E38139S01</td> <td>TR, 2SC3421(Y)</td> <td>1</td> </tr> <tr> <td>Q802</td> <td>48E38138S01</td> <td>TR, 2SA1358(Y)</td> <td>1</td> </tr> </tbody> </table> <h3 id="pwm-controller">PWM Controller<a class="anchor" href="#pwm-controller">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>IC920</td> <td>51E38256S01</td> <td>IC, uPC494GS-E1-A</td> <td>1</td> </tr> </tbody> </table> <h3 id="transformer">Transformer<a class="anchor" href="#transformer">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>T901</td> <td>25E39082S01</td> <td>TRANS, DC/DC(5:8:1)</td> <td>1</td> </tr> </tbody> </table> <hr> <h2 id="semiconductors---output-stage-per-channel">Semiconductors - Output Stage (Per Channel)<a class="anchor" href="#semiconductors---output-stage-per-channel">#</a></h2> <h3 id="output-transistors">Output Transistors<a class="anchor" href="#output-transistors">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Notes</th> </tr> </thead> <tbody> <tr> <td>Q161/Q261/Q361/Q461</td> <td>48E39083S01</td> <td>TR, 2SC5100(Y)</td> <td>NPN output</td> </tr> <tr> <td>Q162/Q262/Q362/Q462</td> <td>48E39084S01</td> <td>TR, 2SA1908(Y)</td> <td>PNP output</td> </tr> </tbody> </table> <h3 id="driver-transistors">Driver Transistors<a class="anchor" href="#driver-transistors">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Notes</th> </tr> </thead> <tbody> <tr> <td>Q159/Q259/Q359/Q459</td> <td>48E39097S01</td> <td>TR, 2SC2235(Y)</td> <td>NPN driver</td> </tr> <tr> <td>Q160/Q260/Q360/Q460</td> <td>48E39080S01</td> <td>TR, 2SA965(Y)</td> <td>PNP driver</td> </tr> </tbody> </table> <h3 id="pre-drivervoltage-amp">Pre-Driver/Voltage Amp<a class="anchor" href="#pre-drivervoltage-amp">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td>Q151/Q251/Q351/Q451</td> <td>48E38241S01</td> <td>TR, 2SC3326(A)-TE85L</td> </tr> <tr> <td>Q152/Q252/Q352/Q452</td> <td>48E38245S01</td> <td>TR, 2SC4207(Y)-TE85L</td> </tr> <tr> <td>Q153-Q154, etc.</td> <td>48E38236S01</td> <td>TR, 2SC2412K(R)-T146</td> </tr> <tr> <td>Q155/Q255/Q355/Q455</td> <td>48E38283S01</td> <td>TR, 2SA988F-T-A</td> </tr> <tr> <td>Q156/Q256/Q356/Q456</td> <td>48E38282S01</td> <td>TR, 2SC1841F-T-A</td> </tr> <tr> <td>Q158/Q258/Q358/Q458</td> <td>48E38243S01</td> <td>TR, 2SC2713(GR)-TE85L</td> </tr> </tbody> </table> <hr> <h2 id="semiconductors---preamp">Semiconductors - Preamp<a class="anchor" href="#semiconductors---preamp">#</a></h2> <h3 id="op-amps">Op-Amps<a class="anchor" href="#op-amps">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>IC501-IC518</td> <td>51E38257S01</td> <td>IC, NJM4565M-TE1</td> <td>18</td> </tr> </tbody> </table> <hr> <h2 id="protection-circuit">Protection Circuit<a class="anchor" href="#protection-circuit">#</a></h2> <h3 id="thermistors">Thermistors<a class="anchor" href="#thermistors">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>TH920-TH924</td> <td>48E39071S01</td> <td>THERMISTOR, 100K</td> <td>5</td> </tr> </tbody> </table> <h3 id="control-transistors">Control Transistors<a class="anchor" href="#control-transistors">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td>Q920</td> <td>48E39080S01</td> <td>TR, 2SA965(Y)</td> </tr> <tr> <td>Q921, Q922, Q927, Q930</td> <td>48E38250S01</td> <td>TR, DTC114EKA-T146</td> </tr> <tr> <td>Q923, Q926</td> <td>48E38247S01</td> <td>TR, DTA114EKA-T146</td> </tr> <tr> <td>Q924</td> <td>48E38251S01</td> <td>TR, DTC144EKA-T146</td> </tr> <tr> <td>Q925</td> <td>48E38237S01</td> <td>TR, 2SA1037AK(R)-T146</td> </tr> </tbody> </table> <hr> <h2 id="passive-components">Passive Components<a class="anchor" href="#passive-components">#</a></h2> <h3 id="fuses">Fuses<a class="anchor" href="#fuses">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>F901, F902</td> <td>65E39088S01</td> <td>FUSE, AUTO 15A</td> <td>2</td> </tr> </tbody> </table> <h3 id="connectors">Connectors<a class="anchor" href="#connectors">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td>CN501</td> <td>09E39020S01</td> <td>CONN, 8P</td> </tr> <tr> <td>CN551</td> <td>29E39039S01</td> <td>TERMINAL, 8P-SPEAKER</td> </tr> <tr> <td>CN921</td> <td>29E39038S01</td> <td>TERMINAL, 3P-POWER</td> </tr> <tr> <td>CN922</td> <td>09E39019S01</td> <td>CONN, PH2P</td> </tr> <tr> <td>PJ501</td> <td>28E39040S01</td> <td>JACK, (RCA)6P</td> </tr> </tbody> </table> <h3 id="switches">Switches<a class="anchor" href="#switches">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td>SW501</td> <td>40E39029S01</td> <td>SW, SLIDE 2-2</td> </tr> <tr> <td>SW502, SW503</td> <td>40E39030S01</td> <td>SW, SLIDE 2-3</td> </tr> </tbody> </table> <h3 id="potentiometers">Potentiometers<a class="anchor" href="#potentiometers">#</a></h3> <table> <thead> <tr> <th>Ref</th> <th>Part Number</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td>VR501, VR502</td> <td>18E39024S01</td> <td>VOL, 9T(5488)10KC×2</td> </tr> <tr> <td>VR503, VR504</td> <td>18E39025S01</td> <td>VOL, 9T(5489)50KE×4</td> </tr> </tbody> </table> <hr> <h2 id="common-repair-kits">Common Repair Kits<a class="anchor" href="#common-repair-kits">#</a></h2> <p>Based on typical failures, consider stocking:</p>