Alpine MRAD-550 Service manual
SERVICE MANUAL
TO ALPINE Home Page
DIGITAL THEATER AMPLIFIER
MRA-D550
12 / 04-A
68E37809S01
<Cautions for Safe Repair Work>
r
s
- 2 -
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.
Warning
Caution
*The following symbols indicate two levels of cautions.
When you see this symbol, you have to be very careful.
When you see this symbol, you have to follow the instructions there.
If you ignore this symbol and handle the product incorrectly or unsafely,
serious injury or death may result.
If you ignore this symbol and handle the product incorrectly or unsafely,
injury or only material damage may result.
Warning
Do not look squarely into the laser light
coming from the pickup. Always use a designated fuse.
You may loose you sight. Use of an incorrect fuse may result in a fire.
Caution
Do not allow wiring to be caught in the Battery Caution
screw/chassis. Use the designated battery.
If wiring is caught in the screw/chassis, it may Confirm the correct polarity and seat of the
cause a short circuit, resulting in a fire. battery.
Fuse Caution
An incorrect battery or an improperly connected
or seated battery may result in a fire.
High Temperature Caution Designated Parts Caution
Touching the heat sink may cause severe burns. Look up the part list and ensure that only
designated parts are used to prevent problems or
accidents.
Reverse Power Supply Connections o
Misconnections Caution Ensure that the wiring is correct when rewiring to
Reverse power supply connections or prevent problems with ignition/breakdown.
misconnections may cause ignition problems and
smoke may result.
Soldering Caution Wear Glove
Hot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injury
burns. from the end face of the metal.
Wiring Caution
Contents
- 3 -
MRA-D550
Packing Assembly Parts List
Packing Method View
Specifications
Extension Cable
Block Diagram
Parts Layout on P.W.Boards and Wiring Diagram
Schematic Diagram
Terminal Voltage of IC/TR
Description of IC Terminal
8 to 10
11 to 18
19 to 30
31, 32
Exploded View (Cabinet)
4
4
5
6
7
33
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.
Packing Assembly Parts List
- 4 -
TO CONTENTS
MRA-D550
Symbol SymbolDescription
No. No.
101 15-00938Z01 COVER,TERMINAL
102-1 03-01282Z01 SCR,6TP 4X20 ZB A
102-2 03-01280Z01 SCR,CUS 3X12 NN
102-3 47A65641F06 SHAFT,WRENCH M3
103-1 01T55561W73 DIN AI-NET S/S 6000
103-2 09-01421Z01 ATFC-0469-01A
NOTE:#1:For North American Model Only,$1:For European Model Only,%1:For General Foreign Model Only,Others:Common.
Part No. Part No.
103-3 09-02927Z01 ASSY,ATFD-0600-01A
%1
104 68-00323Z42 O/M AOAM
#1
104 68-00323Z43 O/M AOEU
$1
104 68-00323Z43 O/M AOEU
%1
105 68-00323Z44 O/M-IGS AOEU
%1
Description
Packing Method View
101
103
X1
101
104
105
%1
102
102
102
103
103
-1
-3
X4
-1
-2
102
X2
-2
X1
X1
X1
%1
103
-3
X1
MRA-D550
- 5 -
TO CONTENTS
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))
Analog In Mode at H/U input or Changer input .................................................... SubW ch : 3.4Vrms
Total Harmonic Distortion (H/U Volume Step 18, 10kHz input)
Digital In Mode at H/U input ...................................................................................... Front ch : 0.3%
Analog In Mode at H/U input ................................................................. Front/Rear/Center ch : 0.3%
Analog In Mode at Changer input .............................................................................. Front ch : 0.3%
Total Harmonic Distortion
Analog In Mode at H/U input or Changer input ....................................................... SubW ch : 0.05%
Residual Noise (H/U Volume Step 1, 20kHz SPCL and A-weighting Filter in AUDIO PRECISION)
Digital In Mode at H/U input ............................................................... Front/Rear/Center ch : 600uV
SubW ch : 125uV
(
Analog In Mode at H/U and Changer input .............................................................. Front ch : 600uV
Analog In Mode at H/U input or Changer input ....................................................... SubW ch : 125uV
(
Frequency Range
Analog In Mode at H/U input ............................................... Front/Rear/Center ch : 20Hz : -0.7±2dB
20kHz :
Analog In Mode at Changer input ............................................................ Front ch : 20Hz : -0.7±2dB
20kHz :
Frequency Range (Reference Frequency : 31.5Hz)
Analog In Mode at H/U or Changer input ............................................... SubW ch : 20Hz : -0.5±2dB
Cross Talk (20kHz SPCL Filter in AUDIO PRECISION, H/U Volume Step
Analog In Mode at H/U input ................................................................ Front/Rear/Center ch : 65dB
(
Dolby Test Disc (Dolby Digital Test DVD Version 1.5) ............................................................... 65dB
Navi Sound Input Sensitivity (H/U Navi Mix ON, H/U Navi In ON, H/U Navi Level 5, Input 5VDC in Guide Cont Port,
Input 1kHz 0.8Vrms in Guide Input Port)
Output Offset Voltage
Current Drain ........................................................................................................................................ No Signal : 2A
4 ohm Load, 1% T.H.D, All Channel Drive : 45A
Back Up Current Drain : 6mA
Navi Sound Output Time .............................................................................................................................. 100msec
Fuse Requirement ..................................................................................................... 20A(Peak) x 2 (For Battery Line)
Power Source ............................................................................................................................... DC14.4V (11~16V)
Dimensions (W x H x D) ....................................................................................................... 347.8 x 65.1 x 269.8mm
Weight ................................................................................................................................................................
(H/U Volume Step 18, 20kHz input)
Digital In Mode : Digital generater output off in AUDIO PRECISION)
Analog In Mode : input short)
-0.7±2dB
-0.7±2dB
29)
Signal input ch : Front L/R, Rear L/R)
............................... Front ch : (0.25±2dB)W
.................................................................................................................................... ±150mV
4.3kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.
Extension Cable
- 6 -
TO CONTENTS
*Always connect the Extension Cable when making checks of voltage and repair.
MRA-D550
(1)
CB3001
CB1705
CB1704
CB1402
(2) (3)
LED P.W.Board
MAIN P.W.Board
CB2102 CB2101
DSP P.W.Board
(1) 01E37771S01
(2) 01E37772S01
(3) 01E37773S01
Block Diagram
- 7 -
TO CONTENTS
MRA-D550
OPT (H/U)
OPT (CHG)
AI-NET (H/U)
AI-NET (CHG)
NAVI Input
TORX193
TORX193
NJM4580
NJM4580
NJM4580
NJM4052
AD Convertor
NJM2100
DA Con ver tor
PCM1802
PCM1801
YSS932
DSP
TC9446
TC9446
TCD6000
Digital AMP
TP21 50
TP21 50
TP21 50
Pro tect
LC Filter
LC Filter
LC Filter
Speaker
Con necto r
Subwoofer Output
Mute Drive
NJM4580
PCM1742
AI-NET
μ-Com
NAVI
Guide
Con trol
Regulator
AMP Link
Parts Layout on P.W.Boards and Wiring Diagram(1/3)
- 8 -
TO CONTENTS
1
2
3
102
1 9
To CB1705
From LED P.W.Board (CB3001)
302
To CB1704
1 29
From DSP P.W.Board (CB2102)
TP10807
E1611
TML1908
C1663
43
T1604
C1633
C1640
21
E1602
10
9
C1662
12
R1636
34
C1626
C1649
C1661
T1608T1605
12
34
C1566
T1505
12
R1623
C1631
34
C1565
T1503
12
34
C1761
C1634
2
1
TML1501
CB1704
D1420
C1618
E1607
R1507
R1506
C1672
R1667
R1635
R1664
C1658
C1659
MAIN P.W.Board
(Component Side View)
C1525
C1517
R1542
C1580
R1521
C1573
C1554
R1558
R1536
TP10102TP10101
R1502
C1516
C1531
R1527
R1574
C1535
R1530
R1572
C1510
R1528
R1543
R1548
R1546
R1570
R1537
R1595
C1617
C1653
IC1201
R1612
C1622
R1654
E
Q1501
1441
L1201
R1590
C1570
R1601
R1648
BEB
E1201
IC1510
C1529
R1610
C1654
R1609
R1606
R1638
Q1502
R1560
IC1501
R1605
R1616
R1525
R1594
R1618
C1656
R1621
R1603
R1651
R1564
R1596
R1553
C1534
R1712
R1718
C1719
C1706
R1637
R1607
IC1710
R1701
R1716
R1713
R1625
R1626
XL1702
CB1705
C1591
C1590
R1604
E1614
IC1202
IC1502
IC1601
IC1602
R1665
L1606
D1501
R1523
R1540
R1642
Q1702
R1705
C1715
C1723
C1523
E
B
R1811
R1592
C1522
C1506
R1722
C1521
C1530
C1536
4
SD1603
R1649
R1824
R1630
Z1501
C1502
R1522
L1504
E1506
R1819
R1556
C1538
Q1507
C1597
C1596
R1586
R1563
SD1503
C1599
C1598
R1552
R1584
E1510
L1601
SD1606
R1659
C1642
C1687
C1686
C1685
C1684
E1608
R1686
R1684
R1634
C1606
E1605
Q1602Q1601
TH1703
Q1608Q1607Q1606Q1605
R1823
R1674
5
IC1604
R1827
R1656
E1609
R1688
SD1611
R1613
TH1701
R1633
C1644
R1690
E1603
R1828
L1607
TML1904
C1614
R1663
C1444
C1604
R1672
L1603
E1601
R1645
C1647
R1826
C1691
R1680
R1660
SD1610
C1688
C1690
C1689
E1606
R1640
TH1702
IC1603
R1682
R1825
NOTE : #1 : For North American Model Only,
$1 : For European Model Only,
%1 : For General Foreign Model Only,
Others:Common.
From DSP P.W.Board (CB2101)
R1730
IC1705
R1732
IC1704
R1797
R1796
TH1704
D1701
R1709
C1720
R1720
R1721
R1728
R1770
R1798
IC1719
C1737
IC1718
C1739
IC1717
C1738
TML1905
E1502
E1505
C1711
R1820
Q1506
R1706
R1719
R1711
R1703
ZD1701
R1312
R1313
R1314
C1322
C1315
C1321
R1331
C1316
C1314
C1323
C1581
D1421
IC1503
R1769
R1707
R1714
R1727
R1715
R1725
ZD1702
R1330
D1301
C1443
C1512
C1520
E1504
R1821
C1707
C1313
Q1505
C1320
C1311
E1509
R1120
3
2
IC1701
R1311
IC1301
E1507
15
Q1101
C1310
R1310
C1312
C1324
R1539
C1309
CB1102
D1104
D1103
R1108
R1107
C1106
R1109
C1306 C1305
XL1301
R1308
R1567
SD1507
C1595
C1594
R1582
R1549
TH1705
1
2
R1102
R1101
R1818
R1307
C1514
R1557
C1540
C1593
C1592
R1580
IC1703
R1808
R1807
C1735
C1734
C1550
Q1504
D1102
D1101
SD1101
E1301
C1325
C1302
C1303
R1333
E1302
L1502
R1822
C1716
E1501
R1105
R1106
R1104
R1103
C1548
R1533
To CB1402
DIN1101
6
C1731
IC1713
IC1712
IC1714
R1752
R1816
C1747
C1745
C1746
R1817
CB1402
C1442
TML1906
C1713
R1723
R1751
R1815
R1417
R1413
R1403
C1418
R1416
Orange Color Pattern:Component Side Pattern
Blue Color Pattern:Foil Side Pattern
110
1212
R1803
R1756
R1755
E1409
C1419
241
IC1708
R1726
R1708
C1724
C1701
ZD1703
D1403
ZD1401
D1402
E1412
R1471
C1431
R1472
R1412
R1438
R1415
SD1402
ZD1410
R1492
15
IC1422
R1410
E1441
Z1403
Z1406
R1448
R1445
5
C1704
43
E
R1411
C1414
3
7
C1749
R1724
XL1701
C1430
B
Q1402
IC1412
Z1405
C1409
E1413
E1430
E1404
C1750
R1491
R1405
R1753
C1752
C1751
IC1707
C1714
E1702
R1494
D1410
R1446
D1405
C1743
C1744
C1748
#1
E1440
C1408
E1416E1415
R1765
%1
$1
R1767
R1704
R1710
E1411
1
IC1408
5
IC1404
51
SD1401
C1742
R1763
R1773
R1809
C1705
C1732
Q1422
C1406
IC1430
4
2
4
24
TP18001
C1741
R1761
C1736
R1758
R1757
C1708
C1722
C1703
R1731
IC1706
R1799
E1701
EB
13
Z1402
L1403
E1423
ZD1404ZD1403
HL1402
F1402
C1740
R1759
IC1709
C1702
C1717
E1414
TP1701
ZD1704
R1754
IC1715
C1733
E1403
Z1401
Q1404
IC1702
C1709
E1706
C1407
C1710
R1733
CB1706
IC1420
4
E1402
E1401
Z1408
10
16
HL1401
F1401
Z1404
D1714
1343
TML1401
8531
C1402
1
E1405
IC1421
E1422
E1410
C1412
L1402
R1404
E1406
TP10802
IC1407
ZD1402
Q1409Q1408
MRA-D550
21
B
E
Q1405
C1451
R1434
R1431
R1432
R1418
C1440
R1407
Q1415
BE
R1439
C1422
8
1
T1402
SGSGSGSG SGSGSGSGSGSGSGSGSGSG
Q1403
TML1903
T1403
16 14 12 9
E1417
E1418
E1419
E1420
E1421
TML1901
A
FGEDCB
Parts Layout on P.W.Boards and Wiring Diagram(2/3)
- 9 -
TO CONTENTS
1
2
4
5
3
C1441
C1454
C1457
TP1403
C1452
TP1402
TP1404
TP14002
R1422
C1450
E
R1423
C1417
C1420
B
Q1423
R1440
R1463
R1462
R1461
R1460
R1428
TP1407
R1429
SD1403
R1464
R1465
R1466
R1467
R1469R1468
C1416
C1456
C1413
C1415
TP10103
IC1409
TP1410
TP1408
TP14009
R1427
C1421
TH1401
R1426
C1455
IC1410
TP14003
R1425
TP1406
TP1409
R1424
TP17001
C1410
IC1411
311331
TP14001
TP14012
TP1413
R1702
R1493
TP1411
R1483
TP14007
R1443
R1444
R1480
TP18004
R1813
C1760
R1814
R1804
Z1410
R1802
R1801
R1482
TP18026
TP17004TP17003
E
R1402
R1408
E
B
Q1417
E
B
Q1421
Z1103
C1102
C1103
Z1101
TP17006
TP17002
C1718
B
Q1411
B
E
Q1420
R1409
R1800
R1447
TP14008
D1404
R1729
B
TP14013
MAIN P.W.Board (Foil Side View)
TP11702
TP17005
E
TP14005
B
E
Q1418
TP14006
C1101
Z1102
TP1503
R1406
R1401
R1490
B
Q1412
TP10810
D1401
TP10104
TP1405
E
Q1416
R1442
C1404C1403
TP14004
R1414
TP1412
R1441
C1104
TP10112
TP14010
TP18025
TP14011
TP11701
TP10105
TP10107
TP10106
TP10108
TP10109
TP10113
TP10111
TP10110
TP10114
TP1501
R1302
R1303
R1304
R1305
R1306
TP1502
TP10208
TP10209
TP10210
TP10211
TP10212
TP1310
#1
$1
TP1305
R1301
C1304
C1301
C1319
C1318
R1332
R1535 R1534
C1543
C1111
C1110
Z1104
C1112
C1308
C1501
#1
$1
%1
C1307
C1542
R1309
R1514
C1317
TP1306
C1532
C1553
R1597
R1598
C1552
C1513
TP1304
TP1307
TP1308
TP1309
C1526
TP1303
TP1302
TP1301
C1541
C1712
C1549
R1531
R1532
Q1510
C1533
C1508
C1509
C1524
C1518
C1544
R1547
TP18003
R1504
R1501
C1507
R1503
R1505
C1202
R1201
C1201
C1503
R1203
C1545
C1519
C1574
C1505
C1515
C1571
C1572
TP1604
R1673 R1671R1670
C1607
C1611
C1204
TP1504
C1551
R1631
C1650
C1629
TP1505
R1509
R1508
R1676
C1203
R1202
R1204
TP11709
TP11707
TP1603
G
NOTE : #1 : For North American Model Only,
$1 : For European Model Only,
%1 : For General Foreign Model Only,
Others:Common.
C1560
C1504
TP10117
TP10121
TP10809
TP10130
TP10134
TP10138
R1668
C1605
C1632
C1627
C1603C1602
TP11710
TP11708
TP11706
TP11705
TP1602
Q1603
S
C1616
C1637
C1630
C1610
R1694
R1693
C1670
C1601
C1652
C1527
C1561
TP10118
TP10122
TP10123
TP10124
TP10131
TP10135
TP10139
C1671
TP10116
TP10120
TP10127
TP10129
TP10133
TP10137
TP10125
R1666
TP10115
TP10119
TP10128
TP10132
TP10136
TP10140
C1643
C1646
C1651
C1612
C1639
C1609
R1662
C1608
C1648
R1658
C1680
C1681
C1682
C1683
R1657
C1625
C1619
C1641
C1620
C1613
MRA-D550
C1453
R1691
R1692
TP1601
C1638
A
Orange Color Pattern:Component Side Pattern
Blue Color Pattern:Foil Side Pattern
FGEDCB
Parts Layout on P.W.Boards and Wiring Diagram(3/3)
- 10 -
TO CONTENTS
1
LED P.W.Board
(Component Side View)
MRA-D550
2
4
3
Q3003
To CB3001
10 1
From MAIN P.W.Board (CB1705)
LD3004
LD3006
LD3008
LD3007
LD3005
Q3008
EBEB
Q3007
CB3001
E
Q3002
B
R3004
R3014
R3016
R3006
R3018
R3008
R3019
R3007
R3017
R3005
R3015
Q3006
EB
EBBE
Q3004
Q3005
R3001
R3011
R3020
R3012
R3002
R3021
R3022
R3013
R3003
Q3001
EBBE
LD3001
LD3002
LD3003
DSP P.W.Board
(Component Side View)
R2109
Q2101
B
E
4
3
2
JK2101
1
8
7
Z2108
C2106
8
7
C2102
Z2113
R2118
Z2102
C2101
C2133
Z2115
C2125
C2122
3
6
DIN2102 DIN2101
1
4
Z2104
C2115
Z2114
C2113
63
1
4
F2101
Z2107
Z2106
Z2109
C2119
C2150
R2122
R2120
E2133
E2129
E2109
C2108
C2116
Z2105
C2118
Z2103
Z2101
C2124
C2105
Z2112
Z2111
C2107
Z2110
C2109
IC2206
R2104
E2127
E2122
E2119
E2125
E2124
E2131
E2116
E2114
C2229
R2229
R2230
R2231
R2232
R2233
C2230
R2228
E2137
E2138
R2234
R2113
C2128
R2106
R2105
IC2105
R2160 R2159
C2146
R2116
IC2106
R2112
C2137
R2103
R2101
R2117
R2132
R2108
R2115
R2143
R2138
R2144
R2136
R2147
R2135
C2145
R2158
C2226
R2130
C2132
C2127
R2102
IC2104
C2129
R2131
R2111
C2112
R2134
C2130
C2117
R2123
IC2108
C2131
R2137
C2111
R2146
E2136
E2141
C2144
E2203
C2154 C2153 C2152 C2151
R2156
R2157
R2155
E2135
R2114
R2107
E2134
B
Q2102
E
E2121
R2133
R2126
E2115
E2126
E2108
E2104
E2107
E2113
R2139
1
3
1
3
C2103
E2132
E2105
E2117
E2111
IC2107
C2227
IC2204
C2228
IC2205
C2121
IC2102
E2101
E2123
IC2109
C2120
C2114
R2141
C2110
C2135
C2237
From MAIN P.W.Board (CB1704)
30 1
To CB2102
E2112
E2120
C2104
E2118
C2231
CB2102
R2240
C2225
IC2201
4
51
3
C2235
XL2201
C2236
C2232
C2208
R2210
R2203
R2242
E2202
C2202
C2219
R2202
R2206
R2239
R2241
E2201
E2130
E2106
C2123
R2152
R2140
C2156 C2155
R2127
R2151
C2233
R2153
R2154
Z2120
E2110
C2143
R2145
IC2103
R2142
C2142
IC2101
R2150
C2203
C2211
C2241
R2238
C2209
C2245
CB2101
C2212
C2216
111 9
R2235
IC2207
15
43
C2157
C2238
C2218
R2236
C2242
C2215
IC2202
IC2203
C2201
C2223
C2240
C2207
C2206
C2244
TP21001
C2234
C2222
C2213
R2201
R2220
R2211
C2224
C2210
C2205C2204
R2218
R2209
R2213
R2225
C2239
R2221
R2205
R2224
C2243
C2221C2220
R2207
R2223
R2227
R2219
C2214
R2212
R2208
C2217
5
A
To CB2101
111 9
From MAIN P.W.Board (CB1402)
Orange Color Pattern:Component Side Pattern
Blue Color Pattern:Foil Side Pattern
FGEDCB
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