Alpine MRD-M1005 User manual

SERVICE MANUAL
MONO POWER AMPLIFIER
1 / 05-A
68E37841S01
MRD-M1005

<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.
*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.
Do not look squarely into the laser light
Fuse Caution
coming from the pickup. Always use a designated fuse.
You may loose you sight. Use of an incorrect fuse may result in a fire.
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.
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
r
Wiring Caution
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
s
Hot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injury
burns. from the end face of the metal.
If you ignore this symbol and handle the product incorrectly or unsafely,
injury or only material damage may result.
If you ignore this symbol and handle the product incorrectly or unsafely,
serious injury or death may result.
Warning
Caution
Warning
Caution

MRD-M1005
Contents
Packing Assembly Parts List
4
Packing Method View
4
Specifications
5
Extension Cable
6
Block Diagram
7
Parts Layout on P.W.Boards and Wiring Diagram
8 to 10
Schematic Diagram
11 to 15
Terminal Voltage of IC/TR
16 to 20
Description of IC Terminal
21
Exploded View (Cabinet)
22
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.

MRD-M1005
Packing Assembly Parts List
Part No. Part No.
101-1 03E36238S01 SCR,M4X20 TPG1
101-2 03E36690S01 WRENCH,2.5X2.9
101-3 03E36692S01 WRENCH,4X4.6
#1 102 68-02278Z44 OWNER'S MANUAL
$1 102 68-02278Z45 OWNER'S MANUAL
$1 102 68-02278Z46 OWNER'S MANUAL
NOTE:#1:For North American Model Only,$1:For General Foreign Model Only,Others:Common.
Packing Method View
Description
No. No.
Symbol SymbolDescription
X4
101 -1
101 -2
101 -3
102

Specifications
Power Output ................................................................................. 20Hz/100Hz, 4ohm, 1.0% T.H.D.(14.4V) : 500W
20Hz, 2ohm, 1.0% T.H.D.(14.4V) : 900W
100Hz, 2ohm, 1.0% T.H.D.(14.4V) : 1,000W
T.H.D. (100Hz, 400W/4ohm(14.4V), Display Gain position -12dB(0.5V)) .......................................................... 1.0%
Residual Noise (Ref.Output 500W/4ohm, Input Short, Display Gain position -12dB(0.5V)) ............................. 40mV
S/N Ratio (Ref.Output 500W/4ohm, Input Short, Display Gain position -12dB(0.5V)) ....................................... 80dB
Frequency Response (Ref.Output 500W/4ohm, Ref.100Hz 0dB) ..................................................... 20Hz : -0.5±2dB
200Hz : -3.0±2dB
Output Offset Voltage (No Signal) ................................................................................................................. ±150mV
Remote On Voltage (1W Output) .................................................................................................................... 6.5±1V
Current Drain ..................................................................................................................................... No Signal : 2.7A
10% T.H.D., 2ohm Load : 170A
Remote Current Drain : 0.53±0.2mA
Back Up Current Drain : 1.2mA
Input Sensitivity (Ref.) (Ref.Output 500W/4ohm) ........................ Gain position 0.1V : RCA Input Level : 0.15V±2dB
Gain position 0.2V : RCA Input Level : 0.24V±2dB
Gain position 0.3V : RCA Input Level : 0.30V±2dB
Gain position 0.4V : RCA Input Level : 0.47V±2dB
Gain position 0.5V : RCA Input Level : 0.60V±2dB
Gain position 0.7V : RCA Input Level : 0.75V±2dB
Gain position 1.0V : RCA Input Level : 0.95V±2dB
Gain position 1.5V : RCA Input Level : 1.50V±2dB
Gain position 2.5V : RCA Input Level : 2.70V±2dB
Gain position 4.0V : RCA Input Level : 4.0V±2dB
Gain position 8.0V : RCA Input Level : 8.4V±2dB
Pre-Out Level at 1.0V Input (Ref.) ............................................................................................................... 1.0V±2dB
Input Impedance (Ref.) ....................................................................................................................... 100k ohm±10%
Fuse Requirement ................................................................................................... 20A(Peak) x 4 (For Battery Line)
Power Source ............................................................................................................................ DC14.4V (11 to 16V)
Dimensions (W x H x D) ............................................................................................................. 360 x 60 x 227.8mm
Weight ................................................................................................................................................................ 5.1kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.
MRD-M1005

MRD-M1005
Extension Cable
*Always connect the Extension Cable when making checks of voltage and repair.
CB101
CB701
LCD P.W.Board MAIN P.W.Board VOLUME P.W.Board
CB226
(1)
(2)
(1) 01V37827S01
(2) 01E37823S01

MRD-M1005
Block Diagram
INPUT-L
(+)
INPUT-R
CE,DI,CL
(-)
PREOUT-L
AD Freq
PREOUT-R
MUTE
Freq
Out Thrm
I Limit
2nd Voltage Detect
SCK,Si
Pow P3
SO
CE,DI,CLK,INH
Pow P1
AD KEY
Pow P2
AD VOLT
AD THRM DET
AD THRM
BATT
REMOTE
GND
Input
Buffer
Input
Buffer
Input Iso. VOL,LEVEL
, BASS-EQ
SubSonic
OFF/15/30Hz Buffer
F
E
T
F
E
T
F
E
T
F
E
T
F
E
T
F
E
T
F
E
T
F
E
T
LC Filter
LC Filter
AMP-LINK
LCD
KEY 5V
Thermal Detect
Trans
EEPROM
BATT Detect RESET u-Com
+5V
uPC494
DeadTime
Internal Temp
5V
OUTPUT Current Detect
OUTPUT Thermal Detect
FAN
12V/9V/Off
2nd Voltage Detect
Analog +/-15V
Power PWM +/-5V
Power Driver -33V(+12V)
uPC494 +9V
GAIN
LIMIT
Display +5V
±VCC : +/-45V
TRANS (3T:10T)
LED ON/OFF
(LCD Back Light Blinking)
OUTPUT(+)
OUTPUT(-0
PREOUT
LPF
30-200Hz
12/24dB
PWM Driver
PWM Driver
u-Com
Analog +9V
LED ON/OFF
FAN +B_SW
Voltage Detect

Q940
Q941
Q942 Q943
Q944
Q945
Q946 Q947
Q401
Q402
Q403 Q404 Q405Q406Q407 Q408
E303
E302E301
E109
E108E107
D937
E106
D936
E105
D935
E104
D934
E103
D933
E102
D932
E101
D931
Q1103
Q1102
Q1101
IC909
C1101
IC908
IC906
IC905
IC901
IC506
IC505
IC504
IC310
IC503
IC502
IC501
IC309
D905
IC308
D904
D903
IC307
D902
IC306
D901
IC305
IC304
IC303
IC302 IC301
IC104
IC103
IC102
ZD802
IC101
ZD801
D501
C945
C943
D307
D306
D305
D304
D303
C937
C936
C935
C934
R963
R961
R960
TP427TP426
R957
TP616
R956
R955 R954
R953
E856
TP611
E855
E854 E853 E852
E851
R949
TP607
TP606
TP605
C521
HL934
C520
HL933
TP602
HL932HL931
VR302
C326
VR301
C519
C325
C518
C324
C517
C323
C516
C322
C515
C514
C513
C511
R934
C510
R933
R931
C318
C317
C509
C508
C314
C507
C506
R542
C311
C505
R541
R540
C310
C504
C501
C117
C116
R346
R539
C309
C115
C308
C114
R538
C307
C113
R537
C306
C112
R536
C305
R535
R341
R534
R340
R533
R532
R531
Z1101
R530
R339 R338
R337
R529
R528
R527
IC852
R526
IC851
R525
R524 R523 R522 R521
R520
Z606
R519
E804
R518
E803
R517 R516
E802
R515
E801
R514 R513
R512 R511
R510
E412
R126
E411
R125
E410
R124
R317
R123
R316
E601
R509
R507
D852
E409
R505
E408
R504
E407
R503
E406
R502
E405
R501
E404 E403E402
R116
E401
R115
R114 R113
R112
R111
E207 E206 E205
E204 E203
E202
E201
Q937
Q935
Q932
ZD932
JK101
ZD931
TH881
IC803IC802
IC603
IC602 IC601
T402
T401
Q902Q901
D802
D801
ZD904 ZD903
ZD902
ZD901
IC201
Q702
D410 D409
D408
Q310
D407
D404 D403 D402
TP545
D401
Q309
TP544
TP543
TP542
Q306
TP541
TP540
Q304 Q303 Q302 Q301
C457 C456
TP539
C455
CB701
TP538
C454
TP537
C453
TP536
C452
TP535
ZD301
C451
TP534
C450
TP533
TP532
TP531
TP530
C449
C448
C447
TP529 TP528 TP527
TP526
TP525 TP524TP523
TP522
TP521
TP903 TP902
TP519
TP901
TP518
TP517
TP516
CB101
TP515
TP514
TP513
TP512
TP511
TP510
Z937
E947
Z936
E946 E945
E944
Z933
E943
E942
TP509
TP508
E940
TP507
TP506
TP505
CL501
TP504
C420
TP503TP502
C806
TP501
C805
E939
E938
C804
E937
C803
E936
E935
C419
E934
C418
E933
C417
E932
C416
R451
E931
C415
R450
C608
C414
C607
C413
C606
C412 C411
C410
R449
R830
R448
R446
C409
R445
C408C407 C406
R829
C405
C404
R828
C403
R827
C402
R826
C401
R825
R824
R823
R822
R821
R820
E915
E914
E913E912
E911
R819
E910
R818
R817
R816
Z515
R815
R814
R813
R812
E909
R811
E908
R810
E907
E905
R422
E901
R809
R421
R808
R420
T936
T935
R419
IC1101
T934
T933
R1107
T932
R1106
R222
T931
E701
R1105
IC934
R1104
IC933
IC932
E316
IC931
R1101
E315
E314
E313
E312
E311
E310
E309
R211
E308 E307
ZD852
Z102
E306
ZD851
Z101
E305E304
E110
Orange Color Pattern:Component Side Pattern
Blue Color Pattern:Foil Side Pattern
MRD-M1005
Parts Layout on P.W.Boards and Wiring Diagram(1/3)
MAIN P.W.Board (Component Side View)
EB
BE
F933 F934F932
F931
AFrom LCD P.W.Board ( )
112
To CB701
From VOLUME P.W.Board (CB226)
141
To CB101
21 1
3
62
12 7
712
26
45
13
13
43
15
B
E
E
B
BE
BE
3
1
31
5
4
BE
E
B
B
E
3
1
31
3
1
10
16 1
8
18
1016
DS DS DS SD
DD
D
DSS
S
S
1
3
5
4
4
5
3
1
EB
BE
BBEE
1
2
3
4
5
AFGEDCB

R209
R208 R207
IC907
IC902
TP862
TP861
TP860 TP859
TP858
TP857
TP856TP855
TP854
TP853
TP852
C962
TP851
C961
C960
C959
C958
C957
R993
C956
R992
C955
R991
C954
R990
C953
Z882
C952
Z881
C951 C950
R989
R988
R987
R986
C949
R985
C948
R984
C947
R983
C946
R982
R981
C944
R980
C942
C941
C940
D302 D301
R979
R978
R977R976
C939
R975
C938
R974
R973
TH932
R972
TH931
R971
D104
R970
C933
D103
C932
D102
C931
D101
R969
R968
R967
R966 R965
R964
TP818
TP817
R962
TP816
TP815
TP814
TP813
R959
TP425
R958
TP424
TP423
TP422
TP615
TP421
TP614
TP613
R952
TP612
R951
C915
R950
C914
TP610
C913
C912
TP419
C910
TP418
TP417
TP416
TP609
TP415
R948
TP608
TP414
R947
TP413
R946
TP412
R945
TP604
R944
C908
TP603
R943
R942
TP601
R941
C905
R940
C904
C903
C902
C901
TP409
TP408
TP407
TP213
TP406
TP212
R939
TP405
TP211
C321
R938
C320
TP404
TP210
TP403 TP402
C512
R935
TP401
TP1104
TP1103
R932
TP1102
C319
TP1101
C316
C315
C313
TP203
C312
TP201
C118
R345
R344
R343
C111
C304
C110
C303
C302 C301
C109
C108
C107
R913
C106
R912
R336
C105
R911
R335
C104
R334
R910
C103
R333
C102
R332
C101
R331
R330
R908
R907
R906
Z605
R905
R329
Z604
R904
R328
Z603
R903
R327
R902
R326
Z601
R901
R325
R324
R323
R322
R321
R320
R702
R701
R319
R318
R122
R315
R121
TP999
R314
R120
TP998
R508
R313
TP997
R312
TP996
R506
D851
R311
TP995
R310
TP994 TP993
TP992
R119
TP991
R118
TP990
R117
L931
R309
R308
R307
R306
R305
TP989
R304
R110
TP988
R303
TP987
R302
TP986
R301
TP985
TP984TP983
TP982
Q939
R109
TP981
Q938
R108
TP980
R107
R106
Q936
R105
Q934
R104
Q933
R103
R102
Q931
R101
TP979
TP978
TP977
TP976
TP975
TP974
TP973
TP972
TP971TP970
TP969
TP968
TP967
TP966
TP965
C881
TP964
TP963
TP962
TP961
TP960
TP959
TP958
TP957
TP956
TP955
TP954
TP953
TP952
TP951
TP950
TP949
TP948
TP947
Q701
C856
TP939
C855
C854
C853 C852
C851
SD601
Q308
Q307
R882
R881
Q305
TP922 TP921
TP920
R878R877
R876R875
R874
R873
R872
TP919
R871
TP918
R870
TP915
TP913
C446
TP912
TP335
C445
TP911
R869
TP910
R868
TP334
R867
TP333
R866
TP332
R865
R864
C440
R863
R862
R861
R860
TP520
TP713
TP712
TP711
C439
TP710
C438 C437
C436
R859
C435
TP1028
R858
C434
TP1027
R857
C433
TP323
TP1026
R856
C432
TP322
TP1025
R855
C431
TP321
TP709
TP1024
R854
TP708
C430
TP320
TP1023
R853
TP707
TP1022
R852
TP706
TP1021
R851
TP705
TP1020
TP704 TP703 TP702
C429
TP701
TP319
C428
TP318
C427
TP317
Z932
C426
TP316
Z931
TP1019
C425
TP315
TP1018
C424
TP314
C423
TP1017
TP313
C422
TP1016
TP312
C421
TP1015 TP1014
TP310
TP1013TP1012TP1011
TP1010
TP117
TP116
TP115
TP309
TP114
TP308
TP113
TP307
TP112
TP306
C609
TP111
TP1009
TP305
TP110
TP1008
TP304
TP1007
TP303
TP302
TP1006
TP301
TP1005
C604
TP1004
C603
TP1003
C602
TP1002
C601
TP109
TP1001
TP108
TP1000
TP107
TP106
TP105
TP104
TP103
TP102
TP101
Q881
Z909
Z908
Z907
Z906
Z710
Z901
Z709 Z707 Z706
Z705
Z704 Z703 Z702 Z701
R424
R423
R418
R417
R416
R415
R221
R414
R607
R413
R606
R412
R605
R411
R604
R410
R603
Q857
R602
Q856
R601
Q855
Q854 Q853
Q852Q851
R409
R408
R407
R406 R405 R404
R403
R402
R401
Orange Color Pattern:Component Side Pattern
Blue Color Pattern:Foil Side Pattern
MRD-M1005
Parts Layout on P.W.Boards and Wiring Diagram(2/3)
MAIN P.W.Board (Foil Side View)
3
1
E
B
BE
EB
E
B
E
B
BEEB
E
B
EB
BE
45
13
EB
BE
B
BB
B
E
EE
E
1
2
3
4
5
AFGEDCB

R206 R205
R204
R203 R202
R201
TP228
TP227
TP226
TP224
TP223
TP222
TP221
IC226
IC225
IC224
IC223
IC222
IC221
C247
C246
C245
C243
C241
C239
C238
C236
C233
C232
C231
C230
C229
R250
R249
R248
R247
R246
R245
R244
R243
C201
R239
R238
R237
R236
R235
R233
R232
R231
R230
R229
R228
R227
R226
R225
R224
R223 R222
R221
TP774
TP773
TP772
TP771
TP770
TP769
TP768TP767TP766
CB721
TP727
TP726
TP725
TP724
TP723
TP722
TP721
SW222 SW221
ZD222 ZD221
CB226
E226
E225
E224E223
E222 E221
VOL2VOL1
C240
C237
C235 C234 C228
C227
C226
C225
C224
C223
C222 C221
IC721
C723
C722
C721
R733
R732
R731
R730
R729
R728
R726R725R724
R723
R722R721
SW723SW722SW721
Q721
ZD721
LD723LD722LD721
CB723
CB722
TP133
TP132
TP131
TP130
TP129
TP128
TP127
TP126
TP125
TP124
TP123
TP122
TP121
TP120
TP119
TP118
TP117
TP116
TP115
TP114
TP113
TP112
TP111
LUG721
TP110
TP109
TP108
TP107
TP106
TP105
TP104
TP103
TP102
TP101
E721
Orange Color Pattern:Component Side Pattern
Blue Color Pattern:Foil Side Pattern
VOLUME P.W.Board
(Foil Side View)
LCD P.W.Board
(Foil Side View)
MRD-M1005
Parts Layout on P.W.Boards and Wiring Diagram(3/3)
VOLUME P.W.Board
(Component Side View)
LCD P.W.Board
(Component Side View)
A
From MAIN P.W.Board (CB701)
121
To
A
From MAIN P.W.Board (CB101)
114
To CB226
BLKRED M
M723
MOTOR,FAN 12V-110mA
2 1
To CB723
12
2
1
MOTOR,FAN 12V-110mA
M722
M
BLK RED
To CB722
1 2
1
2
3
4
5
AFGEDCB