Alpine MRDM-501 Service manual
MRD-M501
SERVICE MANUAL
MONO POWER AMPLIFIER
2 / 04-A
68E36267S01
TO ALPINE Home Page
<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 -
MRD-M501
Packing Assembly Parts List
Packing Method View
Specifications
Block Diagram
Parts Layout on P.W.Boards and Wiring Diagram
Schematic Diagram
Terminal Voltage of IC/ TR
7 , 8
9 , 10
11 to 13
Description of IC Terminal
Exploded View (Cabinet)
4
4
5
6
14
15
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.
Packing Assembly Part s List
y
TO CONTENTS
- 4 -
MRD-M501
Symbol SymbolDescription
No. No.
101-1 03E36238S01 SCR(M4X20 TPG1,BLK) 101-6 47E35195S01 WRENCH (4mmX4.6mm)
101-2 03E36208S01 WRENCH BOLT(M3X12(WHT)) #1 102-1 68P04190K32 OWNERS MANUAL(AE)
101-3 15E36257S01 COVER TERMINAL(B) $1 102-1 68P04190K18 OWNERS MANUAL(GE)
101-4 47E22594S01 WRENCH (2.5mmX2.9mm ) %1 102-1 68-00346Z15 OWNER S M AN UAL(EU)
101-5 01E28659S01 WRENCH (2mmX2.3mm) $1 102-2 68P04190K19 OWNERS MANUAL(I.G.S )
Part No. Part No.
NOTE : #1 : For North American Model Only, $1 : For European M odel Only,
&1 : For Chinese Model Onl
, Others : Common.
Packing Meth od View
101 -2 101 -1
Description
101 -5 101 -4 101 -6
102 -1
101 -3
$1
102 -2
NOTE : $1 : For European Model Only, Others : Common.
MRD-M501
TO CONTENTS
- 5 -
Specifications
Power Output (20Hz, 100Hz) ................................................................................. 4ohm, 1% T.H.D., 14.4V : 260W
2ohm, 1% T.H.D., 14.4V : 500W
T.H.D. (100Hz) ................................................................................................................ 200W/ch/4ohm, 14.4V : 1%
S/N Ratio (Ref. Output 275W/4ohm, Input short, Gain Position 0dB) ................................................................. 81dB
Residual Noise (Input Short, Gain Position 0dB) ............................................................................................... 30mV
Frequency Response (Ref. 100Hz, 0dB) ........................................................................................... 20Hz : -0.5±2dB
350Hz : -6±2dB
Input Sensitivity (Power Gain at 300W/4ohm Output) ...... RCA Input Level : 0.5-8V, Gain Position -6dB : 1V±2dB
RCA Input Level : 0.1-2V, Gain Position -18dB : 0.9V±2dB
Remote on Voltage (1W Output) ...................................................................................................................... 6.5±1V
Current Drain ..................................................................................................................................... No Signal : 1.5A
9% T.H.D., 2ohm Load : 80A
Remote Current Drain : 0.26±0.1mA
Back-Up Current Drain : 1.2mA
Pre-Out Level (at 1V Input) ............................................................................................................................. 1V±2dB
Fuse Requirement ................................................................................................... 30A(Peak) x 2 (For Battery Line)
Power Source ............................................................................................................................... DC14.4V (11~16V)
Dimensions (W x H x D) ................................................................................................................. 348 x 65 x 270mm
Weight ................................................................................................................................................................. 4.2kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.
Block Diagram
TO CONTENTS
- 6 -
MRD-M501
JK101
INPUT
PRE OUT
JK101
INPUT
BUFFER
ISOLATOR
DIN301
Commander
AND
GATE
VFD
MODULE
H/L
MODE
SW
E-VOL
VFD CIG Vol
Supply
VFD Filament
Vol Supply
Lch
DSP
L+Rch
2nd
PLL
POWER +25V, -25V
ANALOG +15V, -15V
DIGITAL
POWER
AMPLIFIER
ANALOG +9V
ANALOG +5V
DIGITAL +5V
DISPLAY +8V
5v Reg.IC
Output
FET
Output
FET
LC Filter
LC Filter
Protection
circuit
Over current
low 2nd volt
TET thermal
TML501
+
-
EEPROM
u-COM
u-COM
RESET
BAT_DET
u-COM
5V
1st Current
Detect
TML101
BATTERY
REMOTE
GND
N.U.
TO CONTENTS
TO PARTS LIST
TO P. W. BOARD
- 9 -
NOTE : N.U. is Not Used Parts.
E119
0.01
C147
0.01
N.U.
E120
C148
TP139
D103
JK101
RCA,JACK 04P(ISOLATED)
C127 1000p
TP299
180
R361
TP300
R376 1-1/4
R375 1-1/4
0.01
0.01
C335
C334
TP100
100p
C311
Z320
100p
100p
C331
C330
Z325
BK1608HM102
BK1608HM102
TP102
TP101
Z101
ACM4532
Z102
ACM4532
C128 1000p
C129 1000p
C130 1000p
LG102
L302
220uH
IC308 NJM2360AM
100p
C333
C332
TP103
TP107
R156
330
TP108
TP109
R157
330
TP110
TP298
SB05-05CP
C338
220p-CH
100p
BK1608HM102
BK1608HM102
BK1608HM102
7P DIN SOCKET SCREW TYPE
TP113
R152
R153
R154
D301
Z323
TP104
TP105
TP106
1k
1k
1k
TP114
R155
Z322
Z316
E121
3.3/50(B.P)
E122
3.3/50(B.P)
1PS226
E123
3.3/50(B.P)
1k
E124
3.3/50(B.P)
E307
47/25
DIN301
C115
1000p-CH
C116
1000p-CH
D104
1PS226
D105
C117
1000p-CH
C118
1000p-CH
R363
D303
SB05-05CP
1PS226
D106
1PS226
24k
R362
TP297
2.7k
R379
33-1/4
TP181
R119
R120
R123
R124
R364
R380
TP179
100k
100k
100k
100k
2SB1238Q
TP296
33-1/4
R353
560-1/4
R358
560-1/4
R354
470
R356
470
C145
C146
Q301
47k
Q302
DTC144EK
R381
33-1/4
E132
0.01
C143
0.01
C144
E133
E134
0.01
0.01
E135
6.8k
R368
TP178
100k
R355
100k
R357
TP118
1.1k
N.U.
N.U.
E308
22/25
R382
33-1/4
R122
TP116
TP117
R125
TP115
IC307
BA00BC0WFP
0.1
C377
C327
0.1
IC306
TC74VHC08FT
R121
C106
1000p-CH
R112
TP262
BK1608HM102
IC309
TP124
R111
22k
R160
1k
R161
1k
IC101 NJM4580V
R162
1k
TP123
22k
R177
33k
C135 2200p
C136 2200p
C137 2200p
SW101
SSAF122NA
R175
33k
LG103
Z330
BK2125HS601
Z313 BK2125HS601
TP290
TP288
TP126
TP125
E113
E114
E111
47/16
E110
100/10
N.U.
C101
TP291
TP292
TP293
Z312
R383
1k
R384
1k
TP287
Z305 BK2125HS601
Z306 BK2125HS601
0.01
R163
C111
E112
C140 1000p
C141 1000p
C142 1000p
C139
C301
6800p
TP294
Z314
BK2125HS601
Z311 BK2125HS601
Z301 BK1608HM102
Z302
BK1608HM102
Z303
BK1608HM102
Z304
BK1608HM102
Z307 BK1608HM102
Z308 BK1608HM102
Z309 BK2125HS601
Z310
BK1608HM102
TP289
C380
820p-CH
C381
820p-CH
TP119
TP130
R102
22k
IC103 NJM4580V
R103
22k
1.1k
1.1k
R126
IC104 NJM4580V
1.1k
E309
22/25
R104
22k
R109
C104
1000p-CH
22k
R110
22k
R105
22k
R366
R367
C105
1000p-CH
C107
1000p-CH
TP121
TP122
TP263
R178
15k
R176
15k
27kF
TP295
51kF
E310
47/16
C328
0.1
TC74VHC08FT
TP111
C138
2200p
1k
E115
TP130
1k
E116
R164
TP112
2200p
IC302
S-80942CNMC-T2
CB302
52610-1290
TP284
TP128
R117
C108
C109
0.01
0.01
0.47/50
IC102 TEA6324T-A
C112
C113
0.47/50
0.01
0.01
R118
TP131
0.01
C302
TP177
TP176
TP175
TP174
TP172
TP173
TP171
TP170
TP169
TP168
TP260
TP261
R373
10k
Q303
DTC124EK
TP285
TP286
3.3k
TP127
C110
5600p
TP129
C149
0.01
TP264
R179
510
TP265
R180
510
R147
20k
R148
20k
R150
22k
C132
1000p-CH
R305 2.2k
TP280
R331
47k
TP134
R151
22k
TP136
R306 2.2k
R370
10k
R372
10k
R352
1k-1/4
E129
TP133
E130
C114
5600p
3.3k
TP132
TP283
R303
10k
10k
R345
TP165
C131
1000p-CH
R149
10k
R349
N.U.
R351
10k
TP163
TP266
TP267
TP135
IC107
NJM2100V
C219
1000p
TP137
CL301
0.1
CSTCR7M70
C300
TP281
TP282
TP162
IC301
TMP86PM47U
TP161
R371 10k
C305
E209
100/10
R301
220-1/4
TP273
0.01
R201
1k
C201
2200p
E205
C304
0.022
R302 2.2k
R339 1k-1/4
E201
E204
C205
E206
0.01
C215
M24C01-WMN6T
R330
10k
TP278
TP277
TP279
IC303
0.1
Z201
BK2125HS601
C220
TP272
TP151
R332
1k
R333
C307 N.U.
C323 100p
C319 0.1
LG104
N.U.
R165
N.U.
N.U.
R166
N.U.
TP180
TP138
47p
R2051MR206
XL201
33.8MHz
10p-CH
R374 8.2kF
R377 22kF
E305
C336 0.1
R347 100k
47p
C218
1k
TP155
C316 0.1
R334 100k
C217
0.1
E207
C207
TP274
10k
R335
1k
TP152
E304
ZD301 HZS5BLL
R350 10k
R336 100k
0.01
C337
E203
TP268
C221
TP140
0.1
470
0
C204
0.1
IC201
TC94A04AFD
C210
0.1
C208
10p-CH
TP156
TP275
C308 0.1
R348 100k
R329
470
TP159
TP160
TP153
TP154
TP157
IC304
LM20BIM7
1k
R207
Z331
BK1608HM102
IC310
TC7S04F
R211
R209
TP148
C213
1000p-CH
C378
0.1
0.1
TP143
C214
TP147
TP146
IC311
TC74VHC74FT
C379
0.1
C376
C375
0.1
100p
TP142
BK1608HM102
10k
R346
D302
1SS133
TP144
0.1
C212
C216
1500p
TP149
0.1
C306
TP276
TP269
R210
0
TP141
R208
47k
0.1
C222
E208
Z208
TP145
C202
1000p
C223
1000p
LG107
10uH
TO CONTENTS
TO PARTS LIST
TO P. W. BOARD
- 10 -
NOTE : N.U. is Not Used Parts.
TP230
N.U.
TP196
4.7k-1/4
TP229
TP195
IC501
TDA7571
R501
100
C503
0.1
TP197
E509
10/100
TP198
C549
0.33/100
R534
100
0.1
C513
TP232
0.1
C521
TP233
0.1
C522
R540
TP235
100
TP199
TP200
0.1
C531
C533
0.1
R557
100
TP227
TP255
R606
R631
R605
56k
R610
D605
10k
4.7k
39kF
ZD602
Z324
11ES2
4.7k
R648
BK1608HM102
D606
1SS133
30k
R607
TP254
10kF
R611
HZS15-2L
C603 0.01
ZD603 HZS5BLL
IC601
NJM78L05UA
E625
E601
470/25
470/10
C303 0.01
C626 0.01
Z501
BK2125HS601
C557
2200p
E502
47/35
C556
2200p
E503
47/35
Z502
BK2125HS601
R563
12-1/4
R570
12-1/4
SD502
EP05H10
SD503
EP05H10
R564
12-1/4
TP303
R569
12-1/4
R507
33-1/4
TP305
TP304
R520
27-1/4
R547
27-1/4
R550
33-1/4
R568
12-1/4
TP306
SD501
EP05H10
R565
12-1/4
SD504
EP05H10
1kF
R514
R515
4.7kF-1/4
E401
C406
N.U.
LG108
C402
R401
0.012
3.3k
390
R402
C403
100
0.47
R403
C404
0.01
L301
N.U.
C405
1000p
TP217
TC9246F
IC401
TP192
TP301
TP193
D501
DAP202K
R404
0
TP222
TP302
TP223
2SB1243Q
R601
10k-1/4
R644
R602
R643
1.8k-1/4
1.8k-1/4
TP194
E508
TP224
Q601
R645
1.8k-1/4
Q602
DTC143XK
R522
N.U.
1/50
R528
TP220
TP219
C520
0.1
10k
R529
R562
0
R554
0
1.8k-1/4
E626
470/25
TP221
11ES2
100-1/4
TP226
D601
R519
C554
1000p
TP225
NJM7805FA
C604
C629
R609
30k-1/4
C555
IC602
0.01
0.01
3.3k
0.1
C511
1/50
E505
1000p
1/50
IC612
E507
NJM7805FA
ZD601
HZS6A1L
E602
100/10
E620
100/10
TP191
Q605
2SC2412K
0.01
C618
D604
C659
N.U.
R603
1SS133
IC603
NJM7808FA
0.01
C605
47k
R604
30k
R646
1k
R546
E624
100/16
C632
1000p
LG105
Q603
2SB1238Q
10k-1/4
C602
0.022
IC604
S-80943CNMC-T2
R548
C660
R567
12-1/4
R566
12-1/4
TP212
TP213
TP214
TP215
C504
1000p-CH
C569
1000p
E510
C550
C571
1000p
0.33/100
C512
1000p-CH
C530
1000p-CH
E512
C552
C581
0.33/100
1000p
C583
1000p
C535
1000p-CH
C565
1000p
Q501
IRFZ34E
Q503
C567
1000p
SFP9Z34
10/100
10/100
Q505
SFP9Z34
Q507
IRFZ34E
C505
0.33/100
C532
0.33/100
C577
1000p
C579
1000p
E501
E506
ZD701
HZS9C1L
10/100
10/100
HZS9C1L
R506
Q502
Q504
R527
Q506
Q508
ZD702
R704
10m-5W
IRFZ34E
SFP9Z34
10m-5W
SFP9Z34
IRFZ34E
TP209
TP239
22k
TP208
R545
R555
R708
C537
1000p
C539
1000p
10m-5W
C541
1000p
C543
1000p
LG106
10m-5W
TH701
470
R712
2SC2412K
0.1
R711
C701
390-1/4
10k
R701
47k
R705
TP238
22k
D701
10k
R702
DAN202K
Q701
2SC2412K
D702
22k
R706
Q705
2SC2412K
47k
R709
Q706
10k
1SS133
TP210
C639
TP201
TP202
TP203
0.1
C640
N.U.
TP207
TP211
TP204
Q702
DTC144EK
R901
10k
R904
10k
TP205 TP206
R703
C901
820p-CH
TP236
10k
C902
820p-CH
C516
R535
R536
C527
1500p
27-3W
27-3W
1500p
R907
47k
CHOKE
CHOKE
T501
T502
R902
R903
R906
R905
C517
C528
2.2k
120k
2.2k
120k
DAP202K
1.0u
C506
1.0u
E901
4.7/50
IC901 NJM2903M
TP237
D901
TP307 TP308
0.47
C518
R537
10-3W
C547 1000p
C592 1000p
C589 N.U. C588 N.U.
C548 1000p
TP309 TP310
C590 N.U.
T605
CHOKE
TML501
C591 N.U.
C593 1000p
BLOCK TERMINAL 2P
1.0u
R538
10-3W
0.47
C529
TML101
POWER TERMINAL (3P)
C619
LG101
F602
30A
T603
CHOKE TRANS
F601
30A
C631 100p
C630 100p
C620 0.01
C621 0.01
100p
TP251
30k
2.4k
R633
R638
TP247
TP246
R640
C617
22k
2200p
3k
R639
8.2k
30k
Q611
DTA124EK
TP184
0.1
C647
E608
330/10
R664
56k
R636
820
TP248
TP249
R621
R641
R642
2.2k
0.01
C339
C325 0.1
R309 150k
IC305
TP253
1k
R310
C324 0.1
NJM0P
R308 150k
TP252
0.01
C340
1k
R307
TP250
4.7k
R647
C610
1200p
R622
18k
E605
E606
C634
0.01
IC606
uPC494GS
TP245
TP244
TP185
R659
R661
TP186
C607
1000p
R652
R651
27-1/4
27-1/4
R660
220-1W
220-1W
Q609
IRF3205
Q612
IRF3205
R662
220-1W
220-1W
Q610
IRF3205
Q614
IRF3205
R653
R654
27-1/4
27-1/4
TP188TP189
E6006
1800/25
E6005
1800/25
R613
33-1/4
E6004
1800/25
E6003
1800/25
E6002
R629
1800/25
33-1/4
E6001
1800/25
C614
1000p
TH601
TP187
T604
TRANS,EER40
100k
TP190
Q617
Z602
Z601
BK2125HS601
2SA1358
12k
R655
E631
E632
R656
E614
330/25
ZD605
HZS16-1L
2.2/50
2.2/50
12k
Q618
2SC3421
ZD606
HZS16-1L
E607
C609
0.01
C623
R658 1M R657 1M
330/25
AN77L09M
IC610
E623
100/16
D603
FRH20A15
E627
C608
1000p
8200/35
C615
E628
1000p
8200/35
D602
RF2001T2D
BK2125HS601
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