Alpine MRP-F300 User manual

SERVICE MANUAL
4 CHANNEL POWER AMPLIFIER
11 / 07-A
T0110700129
MRP-F300
TO ALPINE Home Page

<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
- 2 -

MRP-F300
Contents
Packing Assembly Parts List
4
Packing Method View
4
Specifications
5
Block Diagram
6
Parts Layout on P.W.Boards and Wiring Diagram
7
Schematic Diagram
8
Terminal Voltage of IC/TR
9 , 10
Exploded View (Cabinet)
11
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.
- 3 -

Packing Method View
107 X4
106 X4
101 102
105
104
MRP-F300
Packing Assembly Parts List
Part No. Description Part No. Description
#1 101 68-10872Z24 MANUAL,OWNER'S(AO) 103 01E23875S01 ASSY,CONN 8P
$1 101 68-10872Z25 MANUAL,OWNER'S(GO) 104 15E40539S01 COVER,PLATE-R
%1 101 68-10872Z25 MANUAL,OWNER'S(GO) 105 15E40540S01 COVER,PLATE-L
&1 101 68-10872Z27 MANUAL,OWNER'S(AOCH) 106 03E40419S01 SCR,M4X20(BLK)
107 03E39167S01 SCR,M3X12(P)(BLK)
$1 102 68-10872Z26 MANUAL,OWNER'S(IGS)
NOTE : #1 : For North American Model Only, $1 : For European Model Only, %1 : For General Foreign Model Only,
&1 : For Chinese Model Only, Others : Common.
No. No.
Symbol Symbol
103
TO CONTENTS
- 4 -

MRP-F300
Specifications
Power Output (20Hz to 20kHz, 4ohm x 4ch, 1.0% T.H.D. (14.4V)) 50W
(20Hz to 20kHz, 2ohm x 4ch, 1.0% T.H.D. (14.4V)) 75W
(20Hz to 20kHz, 4ohm(BTL) x 2ch, 1.0% T.H.D. (14.4V)) 150W
Input Sensitivity (Ref.Output 50W/4ohm, Speaker Input) Gain VR MAX : 0.4V±4dB
Gain VR MIN : 8.0V±3dB
(Ref.Output 50W/4ohm, RCA Input) Gain VR MAX : 0.2V±4dB
Gain VR MIN : 4.0V±3dB
Pre Out Level (Ref.1kHz, 10kohm Load, Input 0.5Vrms) 0.5±0.1V
Frequency Response (Ref.Output 1W, Ref.Frequency : 1kHz 0dB) 10Hz : -1.0~0dB
50kHz : -1.0~0dB
Pre Out Frequency Response 20Hz : 0±1dB
(Input Signal Level : 0.5Vrms, 10kohm Load) 20kHz : 0±1dB
Channel Separation (1kHz, 4ohm x 4ch, 1W, Input shorted) 55dB
S/N Ratio (1kHz, 4ohm x 4ch, 50W, Input shorted) 90dB
Residual Noise (Input short, 4ohm Load) 3.0mV
Output Offset Voltage (No Signal) 0V±50mV
Remote On Voltage (1W Output) 6.2±1V
Current Drain (No Signal) 1.5A
(50W x 4, 4ohm Load) 23±5A
(Remote Current Drain) 1.1±0.3mA
(Back up Current Drain) 0.1mA
Input Impedance (Reference) RCA Input : 14.66k ohm±10%
Speaker Input : 14.9k ohm±10%
Fuse Requirement 25A(Peak) x 2 (For Battery Line)
Power Source DC14.4V (11 to 16V)
Dimensions (W x H x D) 270 x 60 x 241.8mm
Weight 2.56kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.
TO CONTENTS
- 5 -

DC off set
Over Current Protect
over temperature Protect(TR)
RCA-IN CH 1(+)
CH 1 CH 1(-)
DC off set
Over Current Protect
over temperature Protect
RCA-IN CH 2(+)
CH 2 CH 2(-)
SP-IN
CH 1,2
CH 3,4
DC off set
Over Current Protect
over temperature Protect
RCA-IN CH 3(+)
CH 3 CH 3(-)
DC off set
Over Current Protect
over temperature Protect
RCA-IN CH 4(+)
CH 4 CH 4(-)
over temperature Protect(Trans)
BATT.
REM.
GND.
Power trans
LINE CHOKE
MUTE
ON/OFF
DRIVER
POWER
ON/OFF
LED
TL494IDRE4
PROTECTION
DRIVE
POWER
FET
RECTIFIER ±15V
REGULATOR
DC off set
over load
Thermal(trans)
Thermal(Power TR)
±Vcc ±15V
ISOLATOR GAIN
LPF/HPF
50-400Hz
BASS EQ
Pre
drive POWER AMP
SENSOR
SENSOR
MUTE ON/OFF
SEL
S/W
Thermal senser
SENSOR
ISOLATOR GAIN
BASS EQ
Pre
drive POWER AMP
SENSOR
SENSOR
MUTE ON/OFF
SEL
S/W
SENSOR
ISOLATOR GAIN Pre
drive POWER AMP
SENSOR
SENSOR
MUTE ON/OFF
SEL
S/W
SENSOR
ISOLATOR GAIN Pre
drive POWER AMP
SENSOR
SENSOR
MUTE ON/OFF
SEL
S/W
SENSOR
SubSonic
SubSonic
SubSonic
SubSonic
LPF/HPF
50-400Hz
SW
SW
LPF/HPF
50-400Hz
LPF/HPF
50-400Hz
POWER
FET
Thermal senser
Driver
Driver
Block Diagram MRP-F300
TO CONTENTS
- 6 -

B+ GND
C1501C1502 C1503
C1504
D1101D1102 D1103D1104
IP1
D1105
IP2
D1106 D1107D1108
R1105
C4201
R1106 C4202
R1107
C4203
R1108
C4204
IC1101
R1109
C4205
IC1102
C4206
IC1103
C4207
IC1104
C4208
R9001
SW1501 SW1502
R1110
R1111
R1112
R1113
R1114
Q4401
R1115
Q4402
R1116
Q4403
R1117
Q4404
R1118 Q4405
R1119
R1501
Q4406
R1502
Q4407
R1503
Q4408
R1504
C4601
R1505
C4602
R1506
C4603
R1507
R1120
C4604
R1508
Q4601
IC1501
R1121
C4605
R1509
Q4602
IC1502
C4606
R1122
Q4603
IC1503
R1123
C4607
Q4604
IC1504
C4608
R1124
SW1901
IC1505
Q4605
R1125
C4609
Q4606
IC1506
R1126
IC1507
Q4607
R1127
Q4608
IC1508
R1128
R1510
Q4609
C4801
R1511
C4802
R1512
C4803
R1513
C4610
C4804
R1514
D9601
Q4801
C4611
R1515
R4201
D9602
Q4802
C4612
R1516
R4202
D9603
Q4803
C4613
R1517
R4203
Q4610
Q4804
C4614
R1518
R4204
Q4611
Q4805
C4615
R1519
R9601
R1901
Q4612
Q4806
C4616
R9602
R1902
Q4613
Q4807
R9603
R1903
Q4614
Q4808
R9604
R1904
Q4615
D4401
Q4809
R9605
R1905
Q4616
R1906
Q4617
R1907
Q4618
R1520
R1908
E1501
IC1901
Q4619
R1521
R4401
E1502
R1522
R4402
E1503
R1523
R4403
E1504
Q4810
R1524
R4404
TML9001
E1505
Q4811
R1525
R4405
E1506
Q4812
R1526
R4406
E1507
Q4813
R1527
R4407
E1508
Q4620
Q4814
R1528
R4408
E1509
Q4815
R1529
R4409
Q4816
Q4817 Q4818 Q4819
R4601 R4602 R4603
E1510
R1530
R4604
R4410
E1511
TH9601
R1531
R4605
TH9602
E1512
R1532
R4606
TH9603
E1513
R1533
R4607
TH9604
E1514
Q4820
R1534
R4608
D4801
TH9605
E1515
Q4821
R1535
D4802
E1516
Q4822
R1536
D4803
E1517
Q4823
R1537
D4804
E1518
Q4824
R1538
E1519
E1901
R1539
R4801
E1902
R4802
E1903
R4803
E1904
R4804
T9001
R4805
R4806
R4613
R4807
E1520
R1540
R4614
R4808
E1521
E4401
R1541
R4615
R4809
E1522
E4402
R1542
R4616
E1523
R1543
R4617
E1524
R1544
R4618
E1525
R1545
R4619
TML4201
E1526
R1546
E1527
R1547
E1528
R1548
R4810
E1529
R1549
R4811
R4812
R4813
R4620
R4814
L9901
E4601
R4621
R4815
E4602
R4622
R4816
E4603
R4623
R4817
E1530
E4604
R1550
R4624
R4818
E1531
E4605
R1551
R4625
R4819
E1532
E4606
R1552
R4626
E4607
R1553
R4627
E4608
R1554
R4628
R1555
R4629
R1556
R4820 R4821 R4822 R4823
R4630
R4824
ZD9301
R4631
R4825
JK1001
ZD9302
R4632
R4826
R4633
R4827
R4634
R4828
R4635
R4636
R4637R4638 R4639R4640
R4641
R4642
R4643
R4644
R4645
R4646
R4647
R4648
R4649
ZD9701
R4650
R4651
R4652
R4653
R4654
R4655
R4656
VOL1501 VOL1502
C8701
Q8701
Q8702
Q8703
Q8704
RA4801RA4802RA4803 RA4804
C1001
D8701
C1002
C1003
C1004
R8701
R8702
C1201 C1202
C1203C1204 C1205C1206
C1207 C1208
C9101
C1401 C1402 C1403 C1404
Q9101
ZD5301
Q9102
C9301
D1001
E8701
C9302
D1002
E8702
C9303
C9304
R1001
Q9301
R1002
Q9302
R1003R1004
R1005
R1006
R1007
R1008
IC1001
R1009
Q4101Q4102Q4103 Q4104
R1201
Q4105
R1202
Q4106
R1203
Q4107
R1010
R1204
Q4108
CB1001
R1011
R1205
Q4109
R1012
R1206
R1013
R1207
R1014
R1208
IC1201
C9701
R1015
R1209
IC1202
R1016
C9702
IC1203
R1017
C9703
IC1204
R1018
C9704
Q4110
HL9001
R9101
Q9701
R1019
C9705
Q4111
R1401
R9102
Q9702
Q4112
R1402
R9103 Q9703
R1403
R9104
R1210 R1404
R1211
R1405 R1212 R1406
R1213
R1407
R1020
R1214 R1408
E1001
R1021
C9901
R1215
E1002
R1022
C9902
R1216
R1023
C9903
R1024
C9904
R1025
Q9901
R9301
R1026
Q9902
R9302
R1027
Q9903
C9907
R1028
Q9904
C9908
R1029
Q9905
C9909
Q9906
IP01
R4101
IP02
R4102 R4103
IP04
R1030
R4104 R4105
IP06
R4106 R4107 R4108
IP09
R4109
D9701
E9101
R4110
IP11
R4111
R9701 R9702
R4112
R9703
R4113
R9704
R4114
R9705
R4115
R9706
R4116
R9707
R4117
R9708
R4118
IC9701
D9901
R9709
E9301
R4119
D9902
E9302
D9903
D9904
D9905
R9901
D9906
R9902
R9903
R9710
R9904 R4120
R9711
R9905
R4121
R9712
R9906
R4122
R9713
R9907
R4123
R9714
R9908
R4124
R9715
R9909
R4125
R9716
R4126 R4127 R4128 R4129
R9910
R9911 R9912 R9913 R9914
R4130
E9701
R9915
R4131
E9702
R9916
R4132
R4133
R9917 R9918
R9919
R9920
R9921
E9901
R9922
E9902E9903
E9904
E9905
E9906 E9907
IP49IP50IP51IP52IP53IP54IP55
IP56
T9901
D5301
R5301
R5302
VOL1401VOL1402
R8001
R8002
CB8001
C1101 C1102C1103C1104 C1105C1106
C1107C1108
C1109
C9001
C9002
C1110
C1111
C1112
C1113
C1114
C1115
C1116
LD8001
C8001
Orange Color Pattern:Component Side Pattern
Blue Color Pattern:Foil Side Pattern
MAIN P.W.Board (Component Side View)
LED P.W.Board
(Foil Side View)
LED P.W.Board
(Component Side View)
MRP-F300
Parts Layout on P.W.Boards and Wiring Diagram
RED
BLK
To CB8001
21
CON8001
ASSY, CONN 2P
BLK RED
E E E E
EEEE
B B B B
B
B
B
B
B
B
E
E
BE
EB
B
B
EE
E E E E
EE
B
B
B B
BB
BE
B
B
E
E
BE
SG GSGSS G
B
E
B
E
B
E
B
E
BE
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
EB
B E
BE
E B
BE
E B E B E B E B
E B
EB
B
E
E
B
E
B
EB
EBEBBE
BEBE
BE
BEBE
BE
BEBE
BE
BEBE
B
BE E
EB
F001
F002
12
3
15
4
1
34
51
34
51
34
5
1
2
3
4
5
AFGEDCB
TO CONTENTS
- 7 -

11k - 1/4W
11k - 1/4W 560 - 1/4
1.1k
15k
15k
15k
33p
1.1k
560 - 1/4
R1005
R1114
R1113
R1121
R1207 R1215
R1407
R1502
R1507
R1504
R1508
R1509 R1511 R1524 R1527
50kX2
VOL1402
C1403 10p
47p
4.7k
4.7k 68k 68k
2k 2k
10/50
10/50
4.7k
4.7k
220
C1203
R1201
R1122
NJM4580V
NJM4580V
NJM4580V
NJM4560
NJM4560 NJM4560 NJM4560
NJM4580V
IC1101
IC1201
IC1201
IC1501
IC1501 IC1502 IC1502
C1501
E1501
E1505
E1513
E1529
E4602
R4404
KTC2875
Q4405
R4604
33k - 1/4
6.2k
33/16
N.U.
18kF - 1/4
R4621
R4812
R4824
R4823
R4107
R4130
1k
47k
R4112
R4108
Q4104
Q4108
1.3kF
1kF
R4811
2SC6011
2SC2412K
2SA2151
KTB631K
2SC2412K
2SC2412K
2.7
R4629 C4609
C4614
C4606 22p
47p
Q4606
Q4602
2SC2412K
KTC601U
R4637
E4605
R4622
510
KTC601U
KTA1268
KTC3200
KTA1268
Q4605
2SC2412K
Q4601
Q4803
Q4820
Q4819
Q4814
KTD600K
2.2 - 1/4
2.2 - 1/4
2.7
Q4810
Q4613
Q4614
Q4615
Q4616 2.7
2.7
Q4809
Q4813
Q4801
Q4817
Q4818
R4822
R4101
Q4111
Q4107
Q4103
R4127
2SC2412K
2SC2412K
47k
2SC2412K
R4102
R4109
1k
1.3kF
1kF
2.2 - 1/4
2.2 - 1/4
1/4
R4810
R4809
R4821
KTD600K
KTB631K
2SA2151
2SC2412K
2SC6011
R4638
18kF -1/4
N.U.
C4610
6.2k
R4630
KTC3200
C4613 47p
22p
C4605
10/50
E1515 E1517 E1519
0.1/50
0.1/50 0.1/50
1/50
0.22/50
1/50
2.2k
2.2k - 1/4
E1502
IC1101
IC1102 IC1202
IC1102
IC1202
15k
15k 15k
1.1k
1.1k
15k
33p
33p
10p
220
NJM4580V
NJM4580V
NJM4580V
NJM4580V
R1208
R1202
R1123
R1211
R1212
R1408
C1204
C1207
C1404
R1124
R1006
0.22
0.22
C1101
C1102
R1001
R1013
R1017
R1105
R1106
C1109
C1110
D1101
D1105
15k
2.2k
R1209
R1405
DAN202KD1106
C1201 33p
DAP202K
DAN202K
330
22k
750k
750k
47p 47p
22k - 1/4
11k - 1/4W
11k - 1/4W 560 - 1/4
560 - 1/4
R1007
R1116
R1115
R1008
0.22
0.22
C1104
C1103
R1002
R1014
R1019
R1107
R1108
C1111
C1112
D1102 DAP202K
330
22k
750k
750k
47p 47p
22k - 1/4
IC1103
IC1103
IC1203
15k
15k
15k
1.1k
1.1k
15k
33p
33p
NJM4580V
NJM4580V
NJM4580V
R1203
R1204
R1125
R1216
R1210
C1205
C1202
R1126
DAN202K
D1107
11k - 1/4W
11k - 1/4W 560 - 1/4
560 - 1/4
R1009
R1118
R1117
R1010
0.22
0.22
C1106
C1105
R1003
R1015
R1019
R1109
R1110
R1024
D1001
R1023
D1002
0.01
0.01C1002
C1001
R1020 330
DAP202K
DAN202K
10k
47p
C1004
C1113
C1114
D1103 DAP202K
330
22k
750k
750k
10k
47p 47p
22k - 1/4
DAN202K
D1108
11k - 1/4W
11k - 1/4W 560 - 1/4
560 - 1/4
R1011
R1120
R1119
R1012
0.22
0.22
C1108
C1107
R1004
R1016
R1018
R1111
R1112
C1115
C1116
D1104 DAP202K
330
22k
750k
750k
47p 47p
22k - 1/4
2.2k
R1406
R1535
R1537
R1543
R4601
C4601
R4613
R4642
R4644R4645
R4634 R4618
R4643
R4818
0.1 -7W
RA4804
R4120
R4128
R4129
2SC2412K
Q4112
R4116
10k
47k
43k
1k
220
DAN217
D4804
R4803R4804
Q4804
KTC4373
R4617
R4633
2SC2412K
Q4609
R1547
R1549
16k
100k
16k
1k
51k 110
0.1
110
110
R4641
C4801
51k
1k
51k
2.4kF1.6kF
51k
110
0.1
220
10k
1k
47k
43k
R4817
R4126 R4125
R4119
R4115
R4201 R4202
C4203
C4201
C4202
C4204
C4205 C4207
C4208
R4204
R4203
R4124
Q4101
1k
2SC2412K
C4206
R4123
R4117
R4113
2.2- 1/4
2.2- 1/4
0.1
43k
0.1
0.1
0.1
2.2 - 1/4
2.2 - 1/4 0.1
47k
10k
0.1
0.1
0.1
R4801
R4646
R4647
R4648
R4802
C4802
Q4802
KTC4373
DAN217
D4801
RA4803
0.1 - 7W
1k
2.4kF
1.6kF
1k
47p
22k
22k
R1531
50kX4
VOL1501
15k
100k
220k
TML4201
CONN, TERMINAL
Q4109
R4132 47k
Q4105
2SC2412K
2SC2412K
R4122 R4121
R4118
R4114
RA4802 0.1 - 7W
D4803
R4820 220
DAN217
Q4808
KTC4373
0.1
2.4kF
1.6kF
51k51k
1k 1k
R4655 R4654
R4636
R4620
16k
100k
47p
C4604
R4603
R4616
R4656 R4653
R4627
R4628
510 33k - 1/4
110 110
R4807
R4808
C4804
1k
10k
43k
47k
2SC2412K
2SC2412K
2SC2412K
2SC2412K
2SC6011
KTD600K
Q4110
Q4106
Q4823
Q4816
Q4102
R4106
R4816
R4815
R4828
2.2 - 1/4
2.7
2.7
N.U.
2SA2151
Q4812
Q4807
Q4824
KTB631K
0.1
R4805
R4806
C4803
R4814
2.7 Q4811
KTB631K
R4111
R4105
R4131
R4827
2.2 - 1/4
1k
47k
1.3kF
1kF
R4640
C4612
18kF - 1/4
KTC3200
KTA1268
Q4620
Q4619
Q4608
Q4604
KTC601U
22p
47p
C4616
C4608
Q4612
2SC2412K
2SC2412K
R4632
33 / 16 6.2k
E4608
100k
47k 47k
R4408
R4409 R4410
NJM4560 NJM4560
0.22/50
2k
68k
2k
47p
68k
4.7k
9.1k
4.7k
4.7k
220
10p
33p
33p
15k
15k
4.7k
R1530
R1526R1523
10 / 50
10 / 50
1 / 50
1 / 50
E1508
E1507
E1904
C1402
C1208
C1206
E1902
R1520
R1516
R1517
R1513
R1903
R1404
R1205
R1214
R1213
R1127
R1128
R1206
15kF
15k
1.1k
1.1k
IC1901
IC1204
IC1104
IC1104
IC1204
C1504
NJM4560
NJM4560
NJM4580V
NJM4580V
NJM4580V
NJM4580V
NJM4560
IC1507
IC1507
0.1 / 50
E1512 R1534 E1522
E1524 E1526 E1528
E1532
1/50
1/50 0.1/50 0.1/50
IC1508 IC1508
1k
2.2k
1.1k
1k
R1905
R1402
R1907
R1904
9.1k
220
10p
1 / 50
1 / 50
E1903
C1401
E1901
R1901
R1403
IC1901
IC1203
NJM4560
NJM4580V
1k
2.2k
1.1k
SW, SLIDE 2C-2P
SW1901
1k
R1906
R1401
R1908
R1902
VOL1401
50kX2
220k
22k
22k
16k
100k
15k
R1546
R1552 R1554
R1556
R1542
R1540
NJM4560
NJM4560
0.22/50
2k
68k
2k
47p
68k
4.7k
4.7k
4.7k
4.7k
R1529
R1525
R1522
10 / 50
10 / 50
E1510
E1509
R1518
R1515
R1519
R1514
C1503
NJM4560 NJM4560
IC1505 IC1505
0.1 / 50
E1511 R1533 E1521
E1523 E1525 E1527
E1531
1/50
1/50 0.1/50 0.1/50
IC1506
IC1506
220k
22k
22k 16k
100k
15k
R1545
R1551
R1553
R1555
R1541
R1539
NJM4560
NJM4560
0.22/50
2k
68k
2k
47p
68k
4.7k
4.7k
4.7k
4.7k
R1521
R1512
R1510
10 / 50
10 / 50
E1504
E1503
R1503
R1505
R1506
R1501
C1502
NJM4560
NJM4560
IC1503
IC1503
0.1 / 50
E1506 R1528 E1514
E1516
E1518 E1520
E1530
1/50
1/50
0.1/50 0.1/50
IC1504
IC1504
220k
22k
22k
16k
100k
15k
R1538
R1544
R1548
R1550
R1536
R1532
2.2k - 1/4
R4407
E4604
R4607
KTC2875
10/50
Q4408
2.2k
RA4801 0.1 - 7W
D4802
R4819 220
DAN217
Q4806
KTC4373
2.4kF
51k
51k
1k
1k
R4651 R4650
R4635
R4619
16k
100k
47p
C4603
R4606
R4615
R4652 R4649
R4625
R4626
510
33k - 1/4
110 110
C4804
2SC2412K
2SC6011
KTD600K
Q4821
Q4815
R4104
R4813
R4826
2.2 - 1/4
2.7
N.U.
2SA2151
Q4805
Q4822
R4110
R4103
R4825
2.2 - 1/4
1k
1.3kF
1kF
R4639
C4611
18kF - 1/4
KTC3200
KTA1268
Q4618
Q4617
Q4607
Q4603
KTC601U
22p
47p
C4615
C4607
Q4611
2SC2412K
2SC2412K
R4631
33 / 16 6.2k
E4607
R4623
R4624
510
33k - 1/4
Q4610
2SC2412K
33 / 16
E4606
2.2k - 1/4
R4406
E4601
R4608
KTC2875
10/50
Q4407
2.2k
16k
100k
47p
C4602
R4602
R4614
2.2k - 1/4
R4405
E4603
R4605
KTC2875
10/50
Q4406
2.2k
SW1501
SW, SLIDE SSAF
SW1502
SW, SLIDE SSAF
CONN, HLA-4200-08
CB1001
CONN, RCA 6P
JK1001
220 - 1/4
10/50
10/50
E1001
E1002
NJM4560
NJM4560
R1025
R1026
C1003
2.4k
10k
10k
10k
10k
5.1k
47p
IC1001
IC1001
220 - 1/4
R1021
R1027
R1028
R1029
R1030
R1022
F001
F002
HL9001
T9001
5T/5T
HOLDER, FUSE
CONN, TERMINAL 3P
TML9001
25A
25A
330
R9103
ZD9701
HZK30-2L
R9104
E9101
C9701
R9701
R9703
R9704
R9705
R9706
R9709
R9707
R9711
R9708
R9710
R5302
R9713
R9601
R9602
R9603
R9604
R9605
R9716
R8001
R4402
E4402
E8701
C8701
C8001
L8001
UB1106W R8701
R8702
E8702
R9901
R9902 R9903
R9904
R9906
R9909 R9905
R9910
1k
1k
1k
1k
470 - 1/4
470 - 1/4
470 - 1/4
470 - 1/4
E4401
R8002 2k - 1/4
2k - 1/4
D9601
D9602 D9603
D4401
HZK15L
TH9601
TH9602
TH9603
TH9604 TH9605
ZD5301
DAN202K
DAN202K
DAN202K
DAN217
R9715 R9714 R9712
C9703
C9702
C9704
C9705
E9702
E9701
D9701
DAN217
22/16
R9702
470 0
1k
4.7k
47k
1.5k
27k
0.01
0.1
0.01
100k
100/16
220k
1000p
30k
6.8k
10k
100k
100k
100k 100k
100k
1000p
1000p
68k
100/16
12k
10k
18k
8.2k
8.2k
8.2k
8.2k
4.7k 4.7/50
22/16
470/6.3
47
10k
82k
82k
0.1
100/25
2.2k - 1/4
Q9102
Q9701
IC9701
TI494
Q9702
Q9101
R9101
0.15uF/630V
C9001
10k- 1 /4
KTA1275
2SA1037AK
2SA1037AK
DTC114EKA
DTC114EKA
Q9703
22k-1/4
DAP202K
R5301
CONN, WTB 02P
CB8001
D5301
Q4402
Q4404
Q8702
Q4401 Q8701
Q8704
R4401
100k
R4403
47k
2SA1037AK 2SC2412K
2SC2412K
DTC114EKA DTC114EKA
DTC144EKA
DTA114EKA
DTA114EKA
Q4403 Q8703
D8701
DAN217
R9908 R9913
R9914
KTC2875
KTC2875
Q9902
Q9901
R9912
R9907
R9911
22 - 1/4 2.2 - 1/4
2.2 - 1/4
2.2 - 1/4
22 - 1/4
2.2 - 1/4
R9915R9916
C9902
C9904
C9908 R9921 R9922
C9909
E9905 E9904
2200/35
2200/35
470k - 1/4 470k - 1/4
C9907
R9919
R9920
C9901
0.01
10 - 1/4
10 - 1/40.01
0.01
0.01
220p
0.1 0.1
100/16
100/16
HZK16LHZK16L
E9302 E9301
C9301
ZD9301
ZD9302
C9302
0.01
470k 470k
R4133 100k
Q9905
Q9903
Q9904
Q9906
IRFZ44N
IRFZ44N
IRFZ44N
IRFZ44N
E9901
T9901
KDS135
KDS135
5T/9T
D9904
D9905
KTB631K
Q9301
D9902
L9901
D9906
D9903
D9901
BFS R2F
FRH20A15
FCH20A15
E9902
E9903
0.1
C9903
2200/25
2200/25
2200/25
ASSY, CONN 2P
CON8001
C9101
R9102
3.9k
1000p
R9001
C9002
0.1
2.2k - 1/4
DAN202K
DAN202K
R9918
R9917
E9906
E9907
220/50
220/50
0 - 1/4
0 - 1/4 Q9302
KTD600K
R9301
R9302
5.6k - 1/4
5.6k - 1/4
0.1
0.1
C9303
C9304
50kX4
VOL1502
TO CONTENTS
TO PARTS LIST
TO P. W. BOARD
- 8 -

MRP-F300
Terminal Voltage of IC/TR
Ref.No. 12345678
IC1001 4.1mV 4.0mV 3.6mV -15.16V 3.1mV 3.9mV 5.2mV 15.06V
IC1101 64.0mV 63.1mV 63.6mV -15.15V 63.7mV 63.5mV 63.3mV 15.05V
IC1102 64.5mV 63.7mV 63.7mV -15.15V 64.6mV 63.8mV 63.8mV 15.05V
IC1103 62.5mV 62.5mV 63.1mV -15.15V 62.1mV 61.8mV 61.8mV 15.05V
IC1104 62.9mV 62.4mV 62.8mV -15.15V 63.2mV 62.6mV 62.5mV 15.05V
IC1201 3.1mV 33.8mV 33.7mV -15.15V 2.9mV 2.4mV 1.1mV 15.05V
IC1202 2.5mV 33.7mV 34.0mV -15.15V 2.3mV 1.9mV -1.6mV 15.05V
IC1203 3.24mV 33.3mV 33.3mV -15.15V 3.3mV 2.7mV 1.6mV 15.05V
IC1204 3.01mV 33.3mV 33.3mV -15.15V 2.8mV 2.5mV -0.1mV 15.05V
IC1501 3.2mV 2.9mV 2.5mV -15.16V 2.9mV 3.2mV 3.0mV 15.06V
IC1502 2.1mV 3.7mV 3.3mV -15.16V 12.6mV 12.9mV 12.9mV 15.06V
IC1503 3.4mV 1.7mV 1.1mV -15.16V 2.9mV 3.7mV 3.1mV 15.06V
IC1504 0.1mV 3.8mV 3.3mV -15.16V 14.2mV 12.7mV 12.7mV 15.06V
IC1505 3.3mV 3.0mV 2.7mV -15.16V 3.0mV 3.6mV 3.1mV 15.06V
IC1506 2.4mV 3.8mV 3.3mV -15.16V 13.0mV 13.3mV 13.3mV 15.06V
IC1507 3.5mV 2.6mV 2.1mV -15.16V 3.1mV 3.5mV 3.6mV 15.06V
IC1508 1.3mV 4.2mV 3.2mV -15.16V 13.1mV 13.1mV 13.1mV 15.06V
IC1901 0.1mV 0.4mV 0.1mV -15.16V 1.7mV 2.7mV 2.3mV 15.06V
Ref.No. 12345678
1.59V 2.51V 88.2mV 2.51V 1.66V 3.82V 0V 14.32V
9 10 11 12 13 14 15 16
0.71 0.70V 14.32V 14.32V 5.0V 5.0V 2.51V 40.5mV
Ref.No. ECBRef.No. ECB
Q4101 -36.1mV 15.67V -35.7mV Q4610 -34.2V -33.58V -33.58V
Q4102 -36.1mV 15.67V -35.7mV Q4611 -34.2V -33.58V -33.58V
Q4103 -36.1mV 15.67V -35.7mV Q4612 -34.2V -33.58V -33.58V
Q4104 -36.1mV 15.67V -35.7mV Q4613 28.05V 1.108V 28.02V
Q4105 -35.51mV 0.95V -34.9mV Q4614 -27.95V -1.15V -27.86V
Q4106 -35.51mV 0.95V -34.9mV Q4615 28.05V 1.108V 28.02V
Q4107 -35.51mV 0.95V -34.9mV Q4616 -27.95V -1.15V -27.86V
Q4108 -35.51mV 0.95V -34.9mV Q4617 28.05V 1.108V 28.02V
Q4109 0.47V 15.59V 0.69V Q4618 -27.95V -1.15V -27.86V
Q4110 0.47V 15.59V 0.69V Q4619 28.05V 1.108V 28.02V
Q4111 0.47V 15.59V 0.69V Q4620 -27.95V -1.15V -27.86V
Q4112 0.47V 15.59V 0.69V Q4801 0.42V 1.09V 1.09V
Q4401 92.0mV 4.98V 92.3mV Q4802 -1.16V 0.43V -0.55V
Q4402 14.39V 4.88V 4.91V Q4803 0.42V 1.09V 1.09V
Q4403 3.8mV 4.89V 4.91V Q4804 -1.16V 0.43V -0.55V
Q4404 -7.53V 14.39V 14.37V Q4805 0.42V 1.09V 1.09V
Q4405 3.7mV 3.2mV -7.53V Q4806 -1.16V 0.43V -0.55V
Q4406 3.7mV 3.2mV -7.53V Q4807 0.42V 1.09V 1.09V
Q4407 3.7mV 3.2mV -7.53V Q4808 -1.16V 0.43V -0.55V
Q4408 3.7mV 3.2mV -7.53V Q4809 -1.15V -24.97V -1.15V
Q4605 34.02V 34.64V 34.64V Q4810 -1.15V -24.97V -1.15V
Q4606 34.02V 34.64V 34.64V Q4811 -1.15V -24.97V -1.15V
Q4607 34.02V 34.64V 34.64V Q4812 -1.15V -24.97V -1.15V
Q4608 34.02V 34.64V 34.64V Q4813 0.52V 25.03V 1.09V
Q4609 -34.2V -33.58V -33.58V Q4814 0.52V 25.03V 1.09V
IC9701
TO CONTENTS
TO SCHEMATIC
- 9 -

MRP-F300
Ref.No. ECBRef.No. GDS
Q4815 0.52V 25.03V 1.09V Q9903 0.80V 14.37V 1.3mV
Q4816 0.52V 25.03V 1.09V Q9904 0.80V 14.37V 1.3mV
Q4817 -30.2mV 25.01V 0.52V Q9905 0.80V 14.37V 1.3mV
Q4818 -33.3mV -25.05V -0.57mV Q9906 0.80V 14.37V 1.3mV
Q4819 -30.2mV 25.01V 0.52V
Q4820 -33.3mV -25.05V -0.57mV
Q4821 -30.2mV 25.01V 0.52V
Q4822 -30.5mV -25.05V -0.57mV
Q4823 -30.2mV 25.01V 0.52V
Q4824 -24.7mV -25.05V -0.57mV
Q8701 4.1mV 15.06V 4.5mV
Q8702 4.3mV 15.1V 15.07V
Q8703 -31.9mV 15.13V 1.2mV
Q8704 1.2mV 15.13V 31.2mV
Q9101 3.8mV 0.058V 3.3V
Q9102 14.4V 14.37V 13.74V
Q9301 -15.27V -25.1V -15.83V
Q9302 15.07V 25.08V 15.7V
Q9701 4.01V 5.01V 14.37V
Q9702 3.61V 5.01V 15.07V
Q9703 3.7mV 40.7mV 2.16V
Q9901 3.9mV 0.91V 0.26V
Q9902 3.9mV 0.91V 0.26V
Ref.No. 12345
Q4601 -0.112V -0.714V -0.114V 33.15V 33.15V
Q4602 -0.112V -0.707V -0.113V 33.21V 33.21V
Q4603 -0.112V -0.711V -0.113V 33.22V 33.22V
Q4604 -0.107V -0.702V -0.107V 33.23V 33.23V
[Measuring Conditions]
1. Power Supply Voltage : DC 14.4V
2. Measuring Meter
: Digital Multi Voltmeter
3. Measuring Point Reference : Between GND
4. Measuring Condition : No Signal Input
TO CONTENTS
TO SCHEMATIC
- 10 -

Exploded View (Cabinet) MRP-F300
H
J
F
C
E
DG
M
K
K
B
H
A
J
N
G
F
N
E
A
C
B
D
L
M
X2
4
19
X2
20
X2
20
X2
4
12
X2
13
X4
14
4
4
4
X8
14
4
X4
9
SW1501
VOL1501
SW1502
VOL1402
VOL1502
SW1901
VOL1401
JK1001
CB1001
TML4201
HL9001
TML9001
X4
10
F001
F002
23 X2
24
22
17
8X2
17
21
24
4X2
15
5
23 X4
7
6
21
24
X2
4
X2
X2
23
22
X2
17
16
1
18
X2
23
2
3
17
17
TO CONTENTS
TO PARTS LIST
- 11 -