Alpine MRA-D550 Service Manual
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Alpine MRA-D550 Service Manual

Digital amplifier
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All manuals and user guides at all-guides.com
SERVICE MANUAL
DIGITAL THEATER AMPLIFIER
12 / 04-A
68E37809S01
MRA-D550

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Summary of Contents for Alpine MRA-D550

  • Page 1 All manuals and user guides at all-guides.com SERVICE MANUAL DIGITAL THEATER AMPLIFIER 12 / 04-A 68E37809S01 MRA-D550...
  • Page 2 All manuals and user guides at all-guides.com <Cautions for Safe Repair Work> The following cautions will prevent accidents in the workplace and will ensure safe products. *The symbols indicate caution is needed to prevent injuries and damage to property. The symbols and their meanings follow. If you ignore this symbol and handle the product incorrectly or unsafely, Warning serious injury or death may result.

  • Page 3: Table Of Contents

    All manuals and user guides at all-guides.com MRA-D550 Contents Packing Assembly Parts List Packing Method View Specifications Extension Cable Block Diagram Parts Layout on P.W.Boards and Wiring Diagram 8 to 10 Schematic Diagram 11 to 18 Terminal Voltage of IC/TR...

  • Page 4: Packing Assembly Parts List

    All manuals and user guides at all-guides.com MRA-D550 Packing Assembly Parts List Symbol Part No. Description Symbol Part No. Description 15-00938Z01 COVER,TERMINAL %1 103-3 09-02927Z01 ASSY,ATFD-0600-01A 102-1 03-01282Z01 SCR,6TP 4X20 ZB A #1 104 68-00323Z42 O/M AOAM 102-2 03-01280Z01 SCR,CUS 3X12 NN...

  • Page 5: Specifications

    All manuals and user guides at all-guides.com MRA-D550 Specifications Power Output (20Hz/1kHz/10kHz input, 1% T.H.D.) Digital In Mode at H/U input ..................Front ch : 60W Analog In Mode at H/U input ..............Front/Rear/Center ch : 60W Analog In Mode at Changer input ................Front ch : 60W Power Output (20Hz/31.5Hz input, H/U Volume Max(Step 35))

  • Page 6: Extension Cable

    All manuals and user guides at all-guides.com MRA-D550 Extension Cable *Always connect the Extension Cable when making checks of voltage and repair. LED P.W.Board CB3001 CB1705 CB1704 CB1402 MAIN P.W.Board (1) 01E37771S01 CB2102 CB2101 (2) 01E37772S01 DSP P.W.Board (3) 01E37773S01...

  • Page 7: Block Diagram

    All manuals and user guides at all-guides.com MRA-D550 Block Diagram Digital AMP TORX193 OPT (H/U) TORX193 OPT (CHG) TC9446 TP2150 LC Filter AD Convertor YSS932 AI-NET (H/U) NJM4580 Speaker TP2150 LC Filter TCD6000 Connector NJM4580 NJM4052 AI-NET (CHG) NJM2100 PCM1802...

  • Page 8: Parts Layout On P.w.boards And Wiring Diagram

    Parts Layout on P.W.Boards and Wiring Diagram(1/3) MRA-D550 All manuals and user guides at all-guides.com Orange Color Pattern:Component Side Pattern NOTE : #1 : For North American Model Only, Blue Color Pattern:Foil Side Pattern $1 : For European Model Only, %1 : For General Foreign Model Only, Others:Common.
  • Page 9 Parts Layout on P.W.Boards and Wiring Diagram(2/3) MRA-D550 All manuals and user guides at all-guides.com NOTE : #1 : For North American Model Only, $1 : For European Model Only, %1 : For General Foreign Model Only, MAIN P.W.Board (Foil Side View) Others:Common.
  • Page 10 Parts Layout on P.W.Boards and Wiring Diagram(3/3) MRA-D550 All manuals and user guides at all-guides.com LED P.W.Board (Component Side View) DSP P.W.Board From MAIN P.W.Board (CB1704) (Component Side View) To CB2102 CB3001 CB2102 E2130 E2126 C2145 Q3002 C2234 C2121 R2155...
  • Page 11 All manuals and user guides at all-guides.com SD1101 SB05–05CP R1101 560–0.25 Z1101 BK1608HM102 R1102 Z1102 560–0.25 BK1608HM102 Z1103 D1101 BK1608HM102 1PS226 TP10208 R1103 TP10209 470–0.25 TP10210 TP10211 TP10212 DIN1101 DIN,JT–DSA5007–011DB D1102 R1302 1PS226 R1303 C1104 R1304 R1105 R1305 0.1–50V R1306 470–0.25 TP1310 R1333...
  • Page 12 All manuals and user guides at all-guides.com IC1404 BA00AST–V5 Q1415 TP1402 2SB1243 TP1405 Z1406 CNF20R102S Q1405 DTC114YKA TP1403 TP1404 IC1408 TP10810 BA00AST-V5 TP10104 Z1403 CNF20R102S Q1412 Q1422 IC1430 DTA114EKA 2SB1238 TDA3664 R1408 100–0.25 D1401 R1409 DAP202K Q1420 100–0.25 Q1411 D1403 DTC144EKA Q1421 2SC2412K...
  • Page 13 All manuals and user guides at all-guides.com R1503 1.8k–F–0.25 R1505 1.8k–F–0.25 R1501 R1507 R1506 TML1501 SPEAKER TERMINAL 10P 10k–F 10k–F C1591 220p–CH R1509 47k–F C1590 220p–CH R1508 47k–F C1565 0.33–100V C1592 C1593 C1594 C1595 R1504 C1527 1000p–CH 1000p–CH 1000p–CH 1000p–CH IC1501 R1560 TCD6000...
  • Page 14 All manuals and user guides at all-guides.com R1633 E1603 C1680 C1681 C1682 C1683 1000p–CH 1000p–CH 1000p–CH 1000p–CH 47/50 C1644 SD1611 MURA110T3 Q1605 R1690 IRF530N 22–0.25 T1604 L1607 CHOKE E1609 10–100V–105 R1688 Q1601 IRF530N 22–0.25 R1657 6.2–0.25 TP1602 C1619 IC1604 TP2150B-X TP1601 C1641 C1613...
  • Page 15 All manuals and user guides at all-guides.com C1707 C1712 0.022 R1727 4.7k IC1704 MB88385CPF R1721 4.7k R1706 R1720 4.7k 160–0.25 R1731 4.7k R1719 R1728 4.7k 160–0.25 R1703 R1811 160–0.25 XL1702 R1711 4.00MHz 160–0.25 IC1701 TC74VHCT541AFT R1722 4.7k R1757 Q1702 C1716 DTC124EKA C1715 IC1703...
  • Page 16 All manuals and user guides at all-guides.com C2109 C2111 E2114 E2115 Z2112 R2135 R2146 R2137 C2142 C2105 330–F 22k–F 22k–F 4.7/35–BP 10/16–BP BK1608HM102 C2107 Z2111 E2110 1/50–BP E2116 R2147 R2151 R2142 BK1608HM102 IC2101 E2112 PCM1802 4.7/35–BP 22k–F 27k–F 2.7k–F 1/50–BP E2123 Z2110 E2105...
  • Page 17 All manuals and user guides at all-guides.com C2210 R2224 0.47 C2224 0.01 IC2203 R2218 C2202 TC9446F R2213 C2219 R2223 TP2129 R2202 R2206 C2235 R2239 C2205 C2243 XL2201 C2236 24.57MHz C2209 N.U. 0.01 R2241 C2245 N.U. CB2102 52437–3091 C2223 R2225 0.47 C2222 0.01 C2203...
  • Page 18 All manuals and user guides at all-guides.com TP30008 TP30007 TP30006 TP30005 TP30004 TP30003 TP30002 CB3001 TP30001 FH12–10S–0.5SH Q3001 Q3002 Q3003 DTC143XKA DTC143XKA DTC143XKA Q3004 Q3006 Q3008 Q3007 Q3005 DTC143XKA DTC143XKA DTC143XKA DTC143XKA DTC143XKA...

  • Page 19: Terminal Voltage Of Ic/Tr

    All manuals and user guides at all-guides.com MRA-D550 Terminal Voltage of IC/TR Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note 4.82 pulse pulse IC1201 4.82 3.27 3.26 pulse 4.83 3.26 pulse IC1202 4.83 3.26 3.23 3.25 2.49 3.23 pulse 3.23...
  • Page 20 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note 5.01 IC1409 3.29 3.26 5.01 IC1410 3.29 3.26 5.01 IC1411 3.26 2.49 2.49 IC1412 pulse pulse IC1301-3 3.23 pulse 13.2 13.2 12.87 IC1420 3.29...
  • Page 21 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note pulse pulse pulse IC1501-3 pulse pulse pulse pulse pulse pulse pulse pulse IC1502 IC1501-2 pulse pulse IC1503-1 pulse pulse pulse pulse pulse...
  • Page 22 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note IC1602 -32/41 pulse +/-33 pulse +/-1 pulse -30/-17 pulse -30/-17 pulse IC1503-2 +/-1 pulse +/-33 pulse -32/41 pulse +/-1 pulse +/-1 pulse...
  • Page 23 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note +/-1 +/-33 -32/41 -32/41 +/-1 +/-33 +/-1 -30/-17 IC1603-2 +/-1 +/-1 -30/-17 -21/44 +/-1 +/-1 -17.8/16.8 +/-33 -11/0 -32/41 IC1604-2 +/-1 +/-1...
  • Page 24 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note IC1702 IC1705-2 IC1706 IC1703 pulse pulse IC1707-1 IC1704 sine wave sine wave IC1705-1...
  • Page 25 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note IC1707-3 IC1708 IC1709 IC1710 IC1707-2 IC1712 IC1713 IC1714 IC1715 pulse IC1717 pulse...
  • Page 26 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note pulse IC1718 pulse IC2104 pulse IC1719 pulse IC2105 pulse IC2101 IC2106 pulse pulse pulse pulse IC2107 pulse IC2102 IC2108 pulse IC2103...
  • Page 27 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note pulse pulse pulse IC2109 pulse pulse pulse IC2201 pulse IC2202-2 pulse pulse IC2202-1 pulse pulse...
  • Page 28 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note IC2202-3 pulse pulse pulse IC2203-2 pulse pulse IC2203-1 pulse pulse...
  • Page 29 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note 3.23 Q1101 3.23 IC2203-3 Q1402 pulse pulse Q1403 pulse pulse pulse IC2204 Q1404 pulse IC2205 Q1405 13.2 pulse Q1408 pulse pulse IC2206...
  • Page 30 All manuals and user guides at all-guides.com MRA-D550 Ref.No. Pin No. Voltage Note Ref.No. Pin No. Voltage Note 4.39 Q1501 Q2101 1.74 4.96 4.39 Q1502 Q2102 4.29 4.96 -30/40 pulse Q1504 Q3001 +/-32 pulse -32/-16 pulse Q1505 Q3002 +/-32 pulse...

  • Page 31: Description Of Ic Terminal

    All manuals and user guides at all-guides.com MRA-D550 Description of IC Terminal 70F3033BYGC : IC1707 Symbol Terminal Description RL_ON(NC) No connect terminal. SCL_2 Digital AMP control terminal. 932_SO DSP Decoder control terminal. 932_SI 932_SCK EVDD_33 3.3V connect terminal. EVSS GND connect terminal.
  • Page 32 All manuals and user guides at all-guides.com MRA-D550 Symbol Terminal Description BUS_R/W Ai-NET R/W control terminal. BUS_RS Ai-NET RS control terminal. BUS_SOUT Ai-NET SOUT control terminal. BUS_SIN Ai-NET SIN control terminal. BVDD33 +3.3V connect terminal. BVSS GND connect terminal. BUS_SCLK Ai-NET SCLK control terminal.
  • Page 33 All manuals and user guides at all-guides.com MRA-D550 Exploded View (Cabinet) JK2101 DIN2102 DIN2101 TML1501 IC1202 DIN1101 IC1201 HL1402 CB1102 F1402 F1401 HL1401 TML1401...

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