Alpine MRP-F240 User manual

MRP-F240
SERVICE MANUAL
4/3/2 CHANNEL POWER AMPLIFIER
1/03-A
68E35050S01
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<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
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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
Exploded View (Cabinet)
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.
Contents
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R
104
103
106
101
102
105
X4
X2
X2
107
Symbol
No.
Part No.
Description
101
102
103
104
105
106
107
68P02294K68
03E34961S01
03E34955S01
15E34956S01
75E22439S01
75E22440S01
01E23875S01
OWNER'S MANUAL
SCR M4X20 TPG1,BLK
SCR M3X10(B)MCH(BLK)
COVER,RCA
HOUSING RUBBER-B
HOUSING,RUBBER(C)
ASS'Y INPUT WIRE
Packing Method View
Symbol
No.
Part No.
Description
Packing Assembly Parts List
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Specifications
T.H.D. (DC14.4V, 20Hz~20kHz) ....................................................................... 4ohm-Load/4ch, 35W Output : 0.2%
4ohm-Load/2ch (BTL), 95W Output : 1.0%
Power Output (Normal Input, DC14.4V, 20Hz~20kHz) ..................................... 0.2% T.H.D., 4ohm-Load/4ch : 35W
1.0% T.H.D., 4ohm-Load/2ch (BTL) : 90W
S/N Ratio (Ref. Output 35W/4ohm, Input Shorted) ............................................................................................ 94dB
Input Sensitivity (35W Output) .................................................................... GAIN-VR Center : RCA Input : 1.1V±5dB
SP Input : 2.2V±5dB
GAIN-VR CW : RCA Input : 0.2V±5dB
SP Input : 0.4V±5dB
GAIN-VR CCW : RCA Input : 4.5V±5dB
SP Input : 8.9V±5dB
Frequency Response Ratio (Ref. 1kHz, 0±1dB) ..................................................................................... 20Hz~40kHz
Current Drain ..................................................................................................................................... No Signal : 1.5A
4ohm-Load/4ch, T.H.D. 10% : 30A
Residual Noise (Input Shorted, 4ohm-Load/4ch, VR Center) ........................................................................... 3.0mV
Channel Separation (Input Shorted, 1kHz, 35W Output) .................................................................................... 55dB
Remote on Voltage (1W Output) .......................................................................................................... 6.5+1.0, -1.5V
Remote Current Drain ....................................................................................................................................... 3.0mA
Back-up Current Drain ...................................................................................................................................... 1.2mA
Input Impedance ............................................................................................................... RCA Input : 13.8±2.0kohm
SP Input : 13.8±2.0kohm
Power Source ........................................................................................................................... DC14.4V (9.0~16.0V)
Dimensions (W x H x D) ........................................................................................................... 265.6 x 60 x 241.4mm
Weight ............................................................................................................................................................... 2.54kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.
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DC off set
Over Current Protect
RCA-IN CH-1(+)
CH-1(L) CH-1(-)
SP-IN
CH-1 50K-A
CH-2 DC off set
Over Current Protect
RCA-IN CH-2(-)
CH-2(R) CH-2(+)
PRE-OUT
CH-1+3(L) 50K-A
PRE-OUT DC off set
CH-2+4(R) Over Current Protect
RCA-IN CH-3(+)
CH-3(L) CH-3(-)
SP-IN
CH-3 50K-A 5K-E
CH-4
DC off set
Over Current Protect
RCA-IN CH-4(-)
CH-4(R) CH-4(+)
50K-A 5K-E
Over Temperature Protect (Trans)
BATT
REM Power trans
GND
LINE CHOKE
MUTE ON/OFF
DRIVER
POWER
ON/OFF
LED
PWM IC POWER
FET
RECTIFIER
AND
REGULATER
±15V
REGULATOR
±Vcc
±15V
ISOLATOR GAIN HPF(12dB/OCT)
80Hz-FIX
BASS EQ Pre
drive POWER AMP
MUTE ON/OFF
SEL
S/W
Thermal
ISOLATOR GAIN HPF(12dB/OCT)
80Hz-FIX
LPF(12dB/OCT)
80Hz-FIX
BASS EQ Pre
drive POWER AMP
MUTE ON/OFF
SEL
S/W
ISOLATOR GAIN HPF(12dB/OCT)
80Hz-FIX Pre
drive POWER AMP
MUTE ON/OFF
SEL
S/W
ISOLATOR GAIN
HPF(12dB/OCT)
80Hz-FIX
LPF(12dB/OCT)
80Hz-FIX
Pre
drive POWER AMP
MUTE ON/OFF
SEL
S/W
SENSOR
BUFFER
BUFFER
GND
SIG
LPF(12dB/OCT)
80Hz-FIX
LPF(12dB/OCT)
80Hz-FIX
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
Block Diagram
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C301
0.033
R309
120k
R305
120k
C121
1000p
C205
10p
VR201-1
50KA
R213
910-1/B
R313
910
IC201
NJM4560M
8200p
C305
R301
51k
C201
33p
R205
6.8k
R209
1.5k
2.2/50
E301
R321
220k
IC105
NJM4560M
R201
6.8k-1/8
C113
10p
R142
15k-F
R134
15k-F
R138
15K-F
C117 10p
R146 15K-F
R130
C109
100p
120K
R121
1.2K
E105
10/25
R109
11K-1/8
R106
11k E102 10/25 R118 1K-1/8
22kR102
RCA101-2
RCA JACK 06P
22k
100p
120kR126
C106
R114
R110
11k R122 1.2K
E106
10/25
C110
100p
R131
15k-F
C102
1000p 120K
R135
C118
10p
R139
15K-F
R147
15K-F
R202
6.8K-1/8
C206
10p
VR201-2
50KA
C321
0.018
C317
0.018 R317
47k
E305
0.22/50
R325
27k
R505
4.3k
Q501
KTC2874-B
R513
5.6K-1/8
C501 560p
E509
R525
330
D501
1SS133
R517 12K
0.47/50
E513
0.47/50
D505
1SS133
R541
110
E517
Q525
KTC3198
R533
240
Q513
2SC2412K
Q509
2SC2412K
R529
Q505
2SA1037K
470
C505
1000p
Q521
2SC2412K
C509
5p
R553
B2K-1/8
0.01
C513
R565
3.3K
18p
C517 C525
68p
R557
R549
1.2K
16k
2.2/50
E521
R561
7.5k
R573
180-1/8
220/10
Q541
KTA1275
R589 R597
R725
10K-1/8
1K-1/8
R593
0.1-3Wx2
1.5k
Q545
2SC2412K
R717
10-1W C529
0.047
R721
12K
E501
22/50 R501
9.1k
E505
22/50 R509 1.2K
SW301-1
SSAF 123NA
R521
47
R537 R545
47
47
Q517
2SA1037K Q529
KTA1266
R569
180-1/8
C521
68p
Q537
KTC3228
Q533
KSC2682
R577
180-1/4
Q549
KTD718
Q553
KTB688
C105 100p R125 120K
R113 22K
RCA101-1
RCA JACK 06P
22kR101
R105
11K E101 10/25 R117 1K
IC101
NJM4560M
C101
1000p
IC102
NJM4560M
R214
910
C122
1000p
IC106
NJM4560M
C114 10p
R143
R156 2K
15K-F
IC103
NJM4560M
R154
10K-1/8
IC109
NJM4560M
2K-1/8
E110
22/50
R155
C129
10p
E111
22/50 R107
11K R119 11K
11K
R152
E103
10/25
N.U.
C107
100p
C111
100p
R153 R132
120K
R127
120K
R123
1.2K
E107
10/25
R115 22K
R157
2K C115
10p
R144
15k-F
R203
6.8k-1/8
IC107
NJM4560M
C207
10p
VR202-1
50KA
R215
910-1/8
6.8K R207
33pC203
R211
1.5k
R136
15K-F
R140
15K-F
C119 10p
R148 15K-F
C124 1000p
R332
5.1K
R336
5.1K-1/8
R314
910-1/8
C302
0.033
R310
120k
R306
120k-1/8
IC202
NJM4560M
C322
0.018
C318
0.018 R318
47k
E306
0.22/50
R322
220k
2.2/50
E302
C306
8200p
E502
22/50 R502
9.1k
SW301-2
SSAF 123NA
E506
22/50 R510
1.2k
Q502
KTC2874-B
R514
5.6k
Q506
2SA1037k
R530
470
R534
240
C510
5p
Q530
KTA1266
R522
47
C502 560p
R518 12k
E510 0.47/50
R526
330
Q514
2SC2412k
E514
0.47/50
D502
1SS133
D506
1SS133
Q526
KTC3198
E518 220/10
R542
110
1.2k R550
Q510
2SC2412k
Q522
2SC2412k
C506
1000p
Q518
2SA1037k
R538
47
R546
47
R554
82k-1/8
C514
0.01
R562
7.5k
R566
3.3k
R570
180-1/8
C522
68p
Q538
KTC3228
Q534
KSC2682
R578
180-1/4
2.2/50
E522
R574
180-1/8
Q546
2SC2412k
Q542
KTA1275
C518
18p
C526
68p
Q550
KTD718
R718
10-1W C530
0.047
R598
1k-1/B
R594
0.1-3Wx2
R726
10k-1/8
R722
12k
R590
1.5k
Q554
KTB688
BLT902
BLOCK TERMINAL 8P
Q551
KTD718
R719
10-1W C531
0.047
R723
12k
Q547
2SC2412k
R591
1.5k
R595
0.1-3Wx2
R727
10k-1/8
1k-1/B
R599
Q531
KTA1266
R571
180-1/8
R523
68p
Q539
KTC3228
Q535
KSC2682
Q543
KTA1275
R563
7.5k
2.2/50
E523
R579
180-1/4
R575
180-1/8
C515
0.01
R567
3.3k
Q511
2SC2412K
Q515
2SC2412K
Q523
2SC2412K
R535
240
C507
1000p
R531
470
C511
5p
Q507
2SA1037K
82k-1/8
R555
Q519
2SA1037K
R539
47
R547
47
ER523
47
E503
22/50 R503
9.1k R511
1.2k
E507
22/50
SW302-1
SSAF 123NA
R515
5.6k
Q503
KTC2874-B
R812
100k
R810
10k
C503
560p
R811
47k
R507
4.3k
E511
0.47/50
R527
330
D503
1SS133
D507
1SS133
Q527
KTC3198
R543
110
R551 1.2k
R559 16k
C519
18p
C527
68p
E515
0.47/50 E519
220/10
R331
5.1k
R337
1.5k
R335
5.1k
E311
2.2/50
VR302-1
5KE
C325
0.022
IC205
NJM4560M
E309
0.33/50 R307
120k
C303
0.033
R311
120k
R315
910
R339
5.1k
C327
10p
IC203
NJM4560M
C307
8200p
R319 47k
C323
0.018
C319
0.018
R323
220k
0.22/50
E307
E303
2.2/50
R327
27k
R303
51k
E504
22/50 R504
9.1k-1/8
R512
1.2k
E508
22/50
SW302-2
SSAF 123NA
E308
0.22/50
E304
2.2/50
R328
27k
R508
4.3k
Q504
KTC2874-B
R516
5.6k
E516
0.47/50 E520
220/10
D508
1SS133
D504
1SS133
R536
240
Q528
KTC3198
R544
110
C520
18p
R552 1.2k
R560 16k
R520 12k
R528
330
R564
7.5k
C516
0.01
R568
3.3k
Q536
KSC2682
Q544
KTA1275
R576
180-1/8
Q532
KTA1266 Q540
KTC3228
2.2/50
E524
R580
180-1/4
R572
180-1/8
C524
68p
Q520
2SA1037K
Q508
2SA1037K
R540
47
R524
47
R548
47
C512
5p
R532
470
C508
1000p
Q512
2SC2412K
Q516
2SC2412K
Q524
2SC2412K
R556 82k-1/8
E512
0.47/50
R108
11k
E104
10/25 R120
1k
R116 22k
R104 22k
R129
120k
R133
120k
C108
100p
C112
100p
R112
11k
E108
10/25
R124
1.2k
C104
1000p
RCA101-4
RCA JACK 06P
R149 15k-F
C120 10p
R141
15k-F
R204
6.8k-1/8
IC108
NJM4560M
C116
10p
R145
15k-F
R137
15k-F
R216
910
C208
10p
VR202-2
50KA
IC104
NJM4560M
C123 1000p
C204 33p
R212
1.5k
R208
6.8-k
E310
0.33/50
C304
0.033
R338
1.5k
C326
0.022
E312
2.2/50
IC206
NJM4560M
VR302-2
5KE
R308
120k-1/8
R340
5.1k
C328
10p
R304
51k
R312
120k
C308
8200p
R324
220k
IC204
NJM4560M
C324
0.018
C320
0.018
R320 47k
C504
560p
R316
910-1/8
R334
150k
R333
150k
SP101
CONN BASE 5569-08AI
R150
220
R159 47k
RCA101-5
RCA JACK 06P
RCA101-6
RCA JACK 06P
R151
47k
R160
1k
R158
2k-1/8
22k R103
R111
11k
C103
1000p
RCA101-3
RCA JACK 06P
R302
51k
R210
1.5k
C202
33p
R206
6.8k
R326
27k
R506
4.3k
16k
R558
R519 12k
Q555
KTB688
Q552
KTD718
R720
10-1W
R724
12k
C532
0.047
Q548
2SC2412K
R728
10k-1/8
R592
1.5k
R596
0.1-3Wx2 R600
1k-1/B
Q556
KTB688
C528
68p
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R605
10-1/8
R606
10-1/8
R603
110-1/2
R607
10-1/8
R608
10-1/B
R604
110-1/2
Q601
IRFZ44N
Q602
IRFZ44N
Q603
IRFZ44N
Q604
IRFZ44N
R609
10-1W
R610
10-1W
C602
0.022
C603
0.022
E603
3300/16
E604
3300/16
T601
ASS'Y POWER TRANS
10-1W
R613
10-1W
R614
D601
F10P20F
D602
F10P20FR
E607
2200/35
E608
2200/35
C606
1000p
C607
1000p
C605
0.047 C604
0.047
R611
2.7k-1/4
R612
2.7k-1/4
Q605
KSC2690A
Q606
KSA1220A
E609
0.47/50
E610
0.47/50
E611
47/25
E612
47/25
ZD601
MTZ-J-16-B
ZD602
MTZ-J-16-B
R710 22k
R706 20k
R711 20k
Q706
2SA1037K
R715
510k
R714
240k
E704
220/10
R712
10k
R713
10k
Q705
2SC2412K
Q707
2SC2412K
D701
1SS133
D702
1SS133
E705
10/25
R730
47k
R729
62k
R731
2k
R709
150
R708
5.6k
R705
100k
E703
100/25
R732
4.7k
Q704
2SA1037K
Q703
2SA1037K
R716
470
R704
3.3k
E702
2.2/50
R707
1k
TH701
20k
ZD701 MTZ-J-22-B
R701
1k Q701
2SC2412K
Q702
2SC2412K
Q804
2SC2412K
R703
1k
R702
1k
E701
100/10 (B.P)
Q803
DTC144EK
R806
100k
R804
100k
Q801
2SA1037K
R802
100k
R809
680k
R807
2k
R805
2k
D805
1N4004
E802
10/25
E803
10/25
R808
1M
BLT901
FUSE TERMINAL 3P
F901
FUSE, AUTO 25A
T901
CHOKE TRANS
Q901
KTA1275
D901
1N4004
R903
150k
R901
10k
R902
10k
Q902
DTC143EK
R905
2.7k-1/4
R904
3.3k
C901 0.15
R907
5.6k-1/4
CONN901
CONN BASE, GIL-S-02P-S2T2
CON901
2P CONNECTOR ASSY
LED901
YLB-304W,3
R801
12k
D801
1N4004
D803
1SS133
D802
1SS133
D804
1SS133
ZD801
MTZ-J-6.8-A
E801
220/10
R803
4.7k
Q802
DTA144EK
E601
10/25
R601 8.2k
C601 1500p
R602 18k
E602
10/25
IC601 uPC494GS
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Terminal Voltage of IC/TR
1 5.7m 1 5.7m 1 5.4m 1 5.7m
2 5.7m 2 5.7m 2 5.4m 2 5.7m
3 5.4m 3 5.4m 3 5.5m 3 5.3m
4 -15.5 4 -15.5 4 -15.3 4 -15.3
5 5.4m 5 5.4m 5 5.4m 5 5.3m
6 6.0m 6 6.0m 6 5.6m 6 6.0m
7 6.0m 7 6.0m 7 5.6m 7 6.0m
8 15.3 8 15.3 8 15.2 8 15.2
1 0.0 1 0.0 1 0.0 1 0.0
2 4.0m 2 3.3m 2 3.5m 2 3.8m
3 3.3m 3 5.2m 3 3.1m 3 3.2m
4 -15.5 4 -15.5 4 -15.5 4 -15.5
5 0.0 5 0.0 5 0.0 5 0.0
6 0.0 6 0.0 6 0.0 6 0.0
7 10.8m 7 0.0 7 11.0m 7 4.0m
8 15.3 8 15.3 8 15.3 8 15.3
1 0.0 1 22.6m 1 11.3m 1 13.1m
2 0.0 2 22.6m 2 11.3m 2 13.5m
3 0.0 3 22.4m 3 11.3m 3 14.3m
4 -15.4 4 -15.5 4 -15.5 4 -15.5
5 2.1m 5 10.4m 5 10m 5 9.2m
6 2.1m 6 11.0m 6 10.3m 6 10.6m
7 0.0 7 11.0m 7 10.3m 7 10.6m
8 15.4 8 15.4 8 15.4 8 15.4
1 13.5m 1 6.8m 1 7.2m
2 13.5m 2 6.8m 2 7.2m
3 13.2m 3 6.8m 3 6.9m
4 -15.5 4 -15.5 4 -15.5
5 10m 5 11.4m 5 4.5m
6 10.5m 6 12.0m 6 5.4m
7 10.5m 7 12.0m 7 5.4m
8 15.3 8 15.3 8 15.3
1 0.0 9 5.15
2 4.97 10 5.65
3 83m 11 14.3
4 0.18 12 14.3
5 1.73 13 4.97
6 3.7 14 4.97
7 0.0 15 4.97
8 14.3 16 0.0
IC203
IC204 IC205
IC601
IC101 IC102 IC103
IC109 IC201
IC206
IC202
IC104
IC105 IC106 IC107 IC108
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Ref. No. E C B Ref. No. E C B
Q501 0.0 0.0 -2.74 Q541 -0.5 -26.0 -1.1
Q502 0.0 0.0 -2.75 Q542 -0.5 -26.0 -1.1
Q503 0.0 0.0 -2.75 Q543 -0.5 -26.0 -1.1
Q504 0.0 0.0 -2.75 Q544 -0.51 -26.0 -1.1
Q505 25.4 24.6 24.8 Q545 18.2m 25.4 19.5m
Q506 25.4 24.6 24.8 Q546 23.2m 25.4 23.5m
Q507 25.4 24.6 24.8 Q547 18.8m 25.4 18.5m
Q508 25.4 24.6 24.8 Q548 18.1m 25.4 18.4m
Q509 -0.66 24.6 -47.6m Q549 19.6m 25.4 0.54
Q510 -0.65 24.6 -45.4m Q550 23.5m 25.4 0.55
Q511 -0.65 24.6 -46.8m Q551 18.9m 25.4 0.55
Q512 -0.65 24.6 -47.4m Q552 18.5m 25.4 0.55
Q513 -25.5 -0.64 -24.9 Q553 19.3m -26.1 -0.5
Q514 -25.5 -0.64 -24.9 Q554 22.8m -26.1 -0.5
Q515 -25.5 -0.64 -24.9 Q555 18.4m -26.1 -0.5
Q516 -25.5 -0.64 -24.9 Q556 17.5m -26.1 -0.51
Q517 25.4 24.8 24.8 Q605 15.5 25.44 16.0
Q518 25.4 24.8 24.8 Q606 -15.6 -26.0 -16.2
Q519 25.4 24.8 24.8 Q701 0.0 25.4 4.13m
Q520 25.4 24.8 24.8 Q702 3.8m 25.4 0.0
Q521 -0.66 24.8 -44.0m Q703 25.4 0.0 25.4
Q522 -0.65 24.8 -40.6m Q704 25.4 25.0m 25.4
Q523 -0.65 24.8 -43.5m Q705 0.0 4.97 17.2m
Q524 -0.65 24.8 -47.8m Q706 4.97 -62.0m 4.97
Q525 -25.6 -1.09 -24.9 Q707 25.4 14.9m 25.4
Q526 -25.6 -1.09 -24.9 Q801 6.59 8.7m 6.59
Q527 -25.6 -1.09 -24.9 Q802 14.4 -2.75 14.4
Q528 -25.6 -1.1 -24.9 Q803 4.4m 14.4 8.5m
Q529 25.2 1.09 24.6 Q804 0.0 3.7m 0.56
Q530 25.2 1.1 24.6 Q901 14.4 14.4 13.7
Q531 25.2 1.1 24.6 Q902 0.0 23.2m 3.67
Q532 25.2 1.1 24.6
Q533 -1.1 1.1 -0.45
Q534 -1.1 1.11 -0.45 Ref. No. G D S
Q535 -1.1 1.1 -0.45 Q601 5.64 14.4 2.33m
Q536 -1.1 1.11 -0.46 Q602 5.64 14.4 2.45m
Q537 0.55 25.4 1.11 Q603 5.65 14.4 1.67m
Q538 0.56 25.4 1.12 Q604 5.65 14.4 2.0m
Q539 0.55 25.4 1.11
Q540 0.56 25.4 1.12
[Measuring Conditions]
1. Power Supply Voltage : DC14.4V
2. Measuring Meter : Digital Multi Meter
3. Measuring Point Reference : Between GND
4. Measuring Conditions : No Signal Input
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