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SERVICE MANUAL
MONO POWER AMPLIFIER
TO ALPINE Home Page
11 / 06-A T0110600022
MRP-M850
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. 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 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.
Warning
Do not look squarely into the laser light coming from the pickup.
You may loose you sight.
Fuse Caution
Always use a designated fuse. Use of an incorrect fuse may result in a fire.
Caution
Do not allow wiring to be caught in the screw/chassis.
If wiring is caught in the screw/chassis, it may cause a short circuit, resulting in a fire.
Battery Caution
Use the designated battery. Confirm the correct polarity and seat of the battery. An incorrect battery or an improperly connected or seated battery may result in a fire.
High Temperature Caution
Touching the heat sink may cause severe burns.
Designated Parts Caution
Look up the part list and ensure that only designated parts are used to prevent problems or accidents.
Reverse Power Supply Connections or Misconnections Caution
Reverse power supply connections or misconnections may cause ignition problems and smoke may result.
Wiring Caution
Ensure that the wiring is correct when rewiring to prevent problems with ignition/breakdown.
Soldering Caution
Hot solder from solder splash may cause severe burns.
Wear Gloves
Wear gloves to prevent electrical shocks or injury from the end face of the metal.
-2-
MRP-M850
Contents 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
Description of IC Terminal
4 4 5 6 7 8,9 10 to 12 13 14
Exploded View (Cabinet)
NOTE : Due to continuing product improvement, specifications and designs are subject to change without notice.
-3-
MRP-M850
Packing Assembly Parts List
#1 $1 %1 &1 $1
Symbol No.
101 101 101 101 102 103
Part No.
68-08564Z25 68-08564Z26 68-08564Z26 68-09359Z02 68-08564Z27 01E39152S01
Description
MANUAL,OWNER'S-AO MANUAL,OWNER'S-GO MANUAL,OWNER'S-GO MANUAL,OWNER'S-CO O/M,-GO (I,G,S) ASSY,CONNECTOR 4P
Symbol No.
104 105 106 107 108 109
Part No.
15E39155S01 15E39156S01 03E36690S01 47E35196S01 03E36238S01 03E39167S01
Description
COVER,TERMINAL-L COVER,TERMINAL-R WRENCH,2.5X2.9 WRENCH,3X3.5 SCR,M4X20 SCR,M3X12(P)(BLK)
NOTE : #1 : For North American Model Only, $1 : For European Model Only, %1 : For General Model Only, &1 : For Chinese Model Only, Others : Common.
Packing Method View
101 102
107 106
109 X4 108 X4
104
103
105
TO CONTENTS -4-
MRP-M850
Specifications
Power Output (20Hz, 4ohm, 1.0% T.H.D. (14.4V)) (100Hz, 4ohm, 1.0% T.H.D. (14.4V)) (20Hz, 2ohm, 1.0% T.H.D. (14.4V)) (100Hz, 2ohm, 1.0% T.H.D. (14.4V)) T.H.D. Residual Noise S/N Ratio Frequency Response (100Hz, 10W, 4ohm (14.4V), Gain position : Center) (Ref.Output 500W/4ohm, Input Short, Gain position : Center) (Ref.Output 500W/4ohm, Input Short, Gain position : Center) (Ref.Output 1W/4ohm, Ref.Frequency : 100Hz 0dB) 500W 500W 800W 800W 1.0% 40mV 94dB 20Hz : -0.5ą2dB 200Hz : -3.0+4dB,-2dB Output Offset Voltage Remote On Voltage Current Drain (No Signal) (1W Output) (No Signal) (10% T.H.D., 2ohm Load) (Remote Current Drain) (Back Up Current Drain) Input Sensitivity (Ref.Output 500W/4ohm, 100Hz, Speaker Input) (Ref.Output 500W/4ohm, 100Hz, RCA Input) ą150mV 6.5ą1V 2.7A 130A 0.26ą0.1mA 1.2mA Gain VR MIN : 8.0Vą3dB Gain VR MAX : 0.2Vą3dB Gain VR MIN : 4.0Vą3dB Input Impedance (Reference) RCA Input : 20k ohmą10% Speaker Input : 39.6k ohmą10% Fuse Requirement Power Source Dimensions (W x H x D) Weight 25A(Peak) x 3 (For Battery Line) DC14.4V (11 to 16V) 397 x 60 x 241.4mm 4.65kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.
TO CONTENTS -5-
Block Diagram
PWM OUTPUT SWITCHING FET
MRP-M850
OUTPUT(+) INPUT ISOLATOR L Sub Sonic FILTER GAIN AMP 45Hz EQUALIZER LPF FILTER LC Filter PWM DRIVER BLOCK
0dB R
RCA IN 2P L R POWER +38V/-38V Analog +15V/-15V DC-DC TRANS DC-DC SWITCHING FET RECTIFICATION u-COM DC-DC SWITCHING FET DC-DC FET GATE Driver DC-DC FET GATE Driver
LC Filter OUTPUT(-)
SP IN 4P
LED
DC-DC VONVERTION CONTROLLER
GND u-COM RESET BATTERY VOLTAGE DETECTOR u-COM +5V REGULATOR CHASS +B CHOKE REMOTE
TO CONTENTS -6-
Parts Layout on P.W.Boards and Wiring Diagram
1
G Q305 S
MRP-M850
MAIN P.W.Board (Component Side View)
R226 R227 C354 C356 C355 C343 C337 C335 C336 C334 C222 C227 C325 C342 C322 C323 C326 R225 R224 R223 R222 E205 R238 C221 R236 R230 R229 E208 C226 1 C145
E
Q207
2
E207 IC203
R235 C219 R233 R234 R231 R232
IC205
E310
E312
E Q209 R228 B C218
R252 R251
R249 R250
C217
R221 R337 R338 R339 C808 C361 R343
4
E
E204
1 3
E206
IC204
C223
Q208
B
E209
IC206 TML301 7 C230
VOL103
E230 D308 R328 R329 R330 D307 R325 R326 R327 R830 Q810 C811 R829 R831 Q809 R832 C141 R153 R150 C138 R151 R152 D806 D805 Q811 E201
B
E
B
E
B
E
C308 Q314 C307
Q301
IC306
D305
C132
C305 R309
E301 D301 R303 C137
E305
D303
2
R149
IC108
R154 C142
C140
R239 R240
R344
VOL102
C303 R305
R146 R147 C133
C311
C136
C139
R307
R311
B
D808 IC303
R318 C314 C313 R317
C320 E216 R347
E
R313
R301 C301
C347
C317
C134
IC107
R314
C135
R304 D302
C349
VOL101
Q315
Q302
D306
C312
D304
E109
E306
C309 C306 R308 R306 C310
R355 R354
3 1
IC106
R818 R815
R219
JK101
2
1
C120 R133 R135 IC104
C119 R132
E
E401
E203 R155 Q101
C419
4
3
R134 E105
R825 R422 C413 R417 C414 R424 C416 IC408 R425 R421 C417 C410 C408 R413 R414 R419 R420 C412 C409
5 4 1 3
D804
C411
E403
E402
2
3
R107
C104 C102 C101 C103
R156
1 5
C202 C203
2
4
RA403
R123 R122 R125 C111
C112 R126 R121 R124
D309
CB101
E405
1
3
C421
11 C404 C422 CL401
1
7
D310
R336 R335 R334
C113
IC409
IC102
IC101
R118
R117
R212 R213
3 R346 C360 C807 R345
C201 C231 E226 E315 R259 E227 R260
GND
IC407
R119
R333 R332 R331
4 5 4 5
R450
R342 R341 R340
R120
3 1 3 1
IC406
RA404
C110 R112 C106 R116 R115 C105 R111
C109 R110 C108 R114 R113 C107 R109 R401 C402 IC401
3 4 1
R439 R431 R438 R437 R433 R435 R812 R807 R808 ZD801
2 1
R426
C329
E224
ZD205
ZD206
Q803
Q804
D401
B
E
B
R806
R811
E
S
G Q310
C330 TH802
S
G Q309
S
G Q312
C333
S
G Q311
Q218
B
Q219
R351
E
Q303
S
G Q214
S
G Q215
S
G Q216
R247 R248
B
E
B
LED P.W.Board (Component Side View)
C930 LD901
To CH201
2
BLK
E
D206
R245 R246
4
ZD802
C341 C345
C332
Z202
IC405
C407
C401 C143 C236 C423
C225
R257
Q805 B
R258
S
G Q217
1
RED
LED P.W.Board (Foil Side View)
RED
CON001 ASSY, CONNECTOR
BLK
2
GND
B+
1
5
TO CONTENTS
-7-
Orange Color Pattern:Component Side Pattern Blue Color Pattern:Foil Side Pattern
A
B
C
D
E
F
C210
4
5
E
R805 R809 R810
C339
C338
Z203
R352
C229
3
1
D802
C228
5
E225
IC404
C331
E311
C328
C406
E313
C340 C344
ZD301
C405
E104
E103
E102
E101
D801
E314
CH201
R253 R254
R256 R255
2
G
TML302
E404
T204
14
8
REMOTE
C115 R128 C116
RA401 RA402
IC103
C420
IC403
T202
L201
R106 R105 R101
Q404 E
R130R129 C114 C117 R127
Q102
Q402 E
R415 R416 R423 C415 R418
10
R427 R411 R410 R412 R409 R449 R408 R407 R406
IC207
IC208
Q403 E
E106
Q401 E
R348
3
1
3
1
R447 R443 R445 R441
E222
E215
C234
C235
B
B
BATT
R102 R104 R103
C348
R108
C122
B
B
B
TH202
R442 R440 R444 R446
E228
E229
C350
T302
ZD204 R220 C215
C418
E223
E214
ZD203
R434 R432
D204
C372
3
JK101
C216
Z201
C121
C118
D203
ZD803 R429 R428 R430 R436
E220
HL202
5
1
R217 R218 C214 R216 R215 R214
R350
Q201 B
R201 C211
C126
R131
2
IC202
E
R828 C804 R816
F003
1
3
R204
C123 C124 R136 R137 C125
R203 R202
E
D201 ZD201 D202
B
E803
C131 IC105
E202
IC201
C810
3
R819
B
IC801
D803
C353
5
4
R803 C801 Z803 Q801 R801 E Z801 B Z802 Q802 R802 E C802 Z804 R804
R817 R814 C803 R813
C351
C238 C232 6 C233 C237
Q202
C213
E801
E213
C205 C204
T201
E
T203
E304
E303
Q304
4 5
B
C809
C352
R138 C128 R143
R139 R141 R140 C130 R144 R145 C129 R148 R142
R824 Q808 R822 R823 E C806
B
E
Q806
C127
B
R316 R312 R826 R827 R820 R821 R353 B IC802 Q807 E802 E C805
E
IC304
C371
E218 E212
E107
C319 E309
R349
F002
E302
B
R319 C315 C316 R320
IC307
E108
TH201
C304 R310
C144
D807
C321
T301
E317 R363 R365
R302 C302
HL201
IC301
E307
IC305
E308
E217
E211
R364 E316 R362
R321 R322 R324 R323
F001
R315
C318
E210
C357
B
C220
D205
R242 R244
G Q306
S
G Q307
S
C327
G Q308
S
G Q212
S
G Q213
S
G Q210
R241 R243
TH801 C324
S
G Q211
C224
S
JK101 CONN, RCA 2P
IC405 MC74HC1GU04
C407 IC404 MC74VHC74DTR2G C423 N.U. C101 1000p 1000p 1000p 1000p C102 IC401 C103 C104 C401 6800p C405 0.1 BD5242G C406 100p D401 RLS-73 C402 0.01 R401 10k RA404 10k R104 R103 R102 R101 R106 11k 11k 330 11k 330 CL401 7.70MHz C404 R108 22k R107 22k 0.1 E103 3.3/50V E104 E102 3.3/50V RA403 10k 3.3/50V RA401 10k 3.3/50V R406 R407 IC403 47k 10k RA402 10k 47k 47k 47k 10k 10k R408 R409 R410 R411 R412 TMP86M47AUG R111 R112 R110 1k 1k C106 1000p R116 220k C105 1000p R115 220k IC102 NJM4560M R118 0 R120 0 C408 100p N.U. 100p R417 0.1 R419 100 100 R413 C409 IC407 KIC7SH08FU R117 0 1k C108 1000p R114 220k C107 1000p R113 220k IC101 NJM4560M 1k C422 C412 0.1 0.01 R421 10k C114 R415 10k R127 C117 R825 47p C115 15k 47p R420 0 C413 0.1 IC406 KIC7SH08FU R122 R121 15k 15k R123 15k C109 C110 N.U. R125 15k C111 47p R126 C112 15k 47p N.U. C410 C411 N.U. R414 10k C113 N.U. IC103 NJM4560M R422 100k 0.1 R450 R449 C414 100 100 R423 47k C415 0.1 R418 1k R424 C416 100k 0.1 R425 470 47p 10k R130 R416 N.U. 5.6k C118 0.1 R129 5.6k 0.1 R131 N.U. C119 R132 E105 180k R133 E106 1/50 IC104 NJM4560M 0.1 180k R134 75k 1/50
0.1
CB101 CONN, WAFER 4P R105 11k 15k E101 R109 R119 0 R124 15k R128 C116 47p
-8C417 R426 0.1 10k R442 2.2k 1/8W R443 18k 1/8W C421 E405 C420 E404 560p 22/16 560p
C120
R135 IC408 LM20BIM7 R427 100 R439 47 1/8W R440 2.2k 1/8W R438 820 1/8W R432 2.2k R441 2.2k 1/8W 1/8W R433 18k 1/8W C419 E403 560p 0.1/50 22/16 C418 560p C133 R429 47 1/8W R430 2.2k 1/8W R431 2.2k 1/8W R428 820 C143 N.U. E109 1/50 C144 E108 1/50 N.U. IC107 NJM4560M C132 0.1/50V Q102 FMC2A R156 10k Q101 KTC2874-X R155 3.3k R143 1.5k C128 N.U. C134 N.U. 75k C121 0.1 1.5k 910 VOL101 50k C123 33p R136 R137 R139 C124 N.U. C125 10p 27k 150k R141 5.1k C126 C127 R138 0.022 N.U. E107 2.2/50 R140 5.1k VOL102 5k R142 100 R144 C130 N.U. C129 10p 5.1k IC106 NJM4560M C131 N.U. R145 27k C135 22/16 E401 IC409 BA2901FV 22/16 N.U. C122 N.U.
IC105 NJM4560M
TO P. W. BOARD TO PARTS LIST
0.33/50
C136
R434
150k 1/8W
0.22/50
R147 3.6k
C137
R445 R447 2.2k 1/8W R446 2.2k Q404 DTC144EKA Q403 DTC144EKA
R148
R435
150k 1/8W
150k 1/8W
R444 1/8W Q402 DTC144EKA
R150
150k 1/8W
R146 R149 3.6k 3.6k E402 4.7/50 3.6k 5.6k
R437 2.2k 1/8W
R436 2.2k 1/8W
VOL103 15k
R151 R152 Q401 15k R153 N.U. C138 C139
15k 47p N.U. IC108 NJM4560M C141 C142 47p R154 15k 47p C140 47p DTC144EKA
C145 N.U.
TO CONTENTS
R814
1k R318 R301 1k E301 4.7/50 R303 6.2k R305 47k 1/4W R307 R313 1k 1/4W 3300p 1k 10k 1/4W
N.U.
N.U. Q307 IRF3415Pb Q308 IRF3415Pb
0.1
1200p
N.U.
C318
1000p
C334 N.U.
C336
0.01
10k
C803 1200p IC801 NJM2903M
C322
1SS355
C307
Q301 KTA1266-X R311 1k 1/8W
R337 C320 IC306 IR2010S IC303 MC14069UBD R321 0 R322 0 0.33 D305 MURS120 MURS120 N.U. R338 R339
6.8 1/4W 6.8 1/4W 6.8 1/4W
Q305 IRF3415Pb 47/100 Q306 IRF3415Pb C335 N.U.
C325
47/100
N.U.
E312
N.U.
C342
C311
D303
E801
N.U.
0.33
0.1
3300p
C308
C301
0.15
100p
C326
C327
C323
E310
R315 10k 1/4W
R362 N.U.
C324
1k 1/8W
C337 N.U.
C343
E316 N.U.
Q314 N.U.
E305 D808
D301 DA204K
C305
R328 R329 R330 D308
30 1/4W 30 1/4W 30 1/4W SK2BS
C804 R816 R344 0.01 10k 1200p 120k 1/8W 120k 1/8W ZD803 HZS5BLL R817 R818
47p
R309
R364
C303
E803
N.U.
4.7/50 TML301 CONN, TERMINAL 2P N.U.
IC301 NJM2137V
0.1
E307 N.U.
10k 1/4W
R316
0.1
IC305 MC14081BD D309 R331 R332 R333 SK2BS 30 1/4W 30 1/4W N.U. N.U. 30 1/4W R345 C339 47/100 47/100 N.U. 0.33/100V N.U. Q310 IRF3415Pb C341 0.1 N.U. 0.01 0.47 0.47 0.47 0.47
R365 N.U.
Q315 N.U.
C317
Q302 KTA1266-X
1SS355
100p
D803 R819 47k DAP202K
1k 1/8W
C302
C309 3300p
0.15
C306
R310
E306 N.U.
E317 N.U.
47p
R363 N.U. R312
C304
C312
0.1
D302 DA204K
C345
C361 C808
C360
C330
E311
R314
C329
0.33
0.47
N.U.
0.01
C321 R319 1k R320 1k C315
0.33
1SS355
1SS355
D805
D806
C809
C352
C354
C331
C344
R347
47/16
E802
C806 N.U.
R824 47k R831 0 R832 R829 N.U. 10k Q810 2SC2412K R830 10k Q811 DTC124EKA
1200p Q303 KTD600K 10k 1/4W 10k 1/4W
30 1/4W SK2BS
E309 N.U. Q304 2SB1198K
D310
N.U.
N.U.
R346 0.01
C805 0.1
R351
R352
R348
470 /16
R827
5.1k
1.5k
2k
HZK12AL
47k
1uF
1uF
R350
R354
27-3W
R355
10-3W
R353
10-3W
R349
22k
27-3W
Q807 DTA114EKA
0
C316
R335 R336
30 1/4W
C349
IC802 KIC7S00FU
C323
R820
R821
1200p
4.7/50
4.7/50
Q809 DTA124EKA
1000p
N.U.
E303
E304
C319
R334
30 1/4W
C338
C340
C371
DTC144EKA
C350
ZD301
C351
0.33
0.47
0.01
0.47/50
E314
C811
1500pF
E315
C348
Q806 DTA114EKA 0.1 R822 0 R823 0
C353
C810
C372
N.U.
T302 15uH
R826
47k
R218 10k R214 1000p
R217 4.7k R219 30kF 1/8W RLS-73 4.7k D204 D203 GN1D
Z201 BK1608HM102-T
IC202 NJM7805SP TH801 Z803 BK1608HM102-T 470/10 470 R801 10k Z801 BK1608HM102-T
2.4k 1/4W R213
LD901
2.4k 1/4W 0.022
C930
R212
39k 1/8W
0.01
Q202 KTB1241 R203
UB1106W-TR
IC201 BD5243G R215
C216
470/25
C213
CON001 ASSY, CONNECTOR 2P
470/25
E203
47k
Q801 2SC2412K C801
D804 DAN202K HZK9C1L ZD801 10k 10k
R812
10k
HZK15-2L
10k 1/8W
HZS5BLL
10k 1/4W
R803
390
56k 1/8W
R204
0.01
0.01
E202
0.1
E201
C214
C215
ZD203
D202
0.01
Z804 BK1608HM102-T
N.U.
30k
GN1D
R201
30k 1/4W
HZK6A1L
C211
ZD204
R216
R220
CH201 CONN, WTB 02P
R805
TH802
470 R802
Z802 BK1608HM102-T 10k D804 DAN202K Q802 2SC2412K
22k
D201
R202
ZD201
R807
R808
Q201 2SC2412K
Q805 DTC144EKA D802 DAN202K
47k 1/4W
R221
R804
C802
390
0.1
ZD802 HZK9C1L
R810 R811 22k Q804 2SC2412K
10u
470/25
1/4W
1/4W
1/4W
1/4W
R222 2.2k
R223 2.2k
R225 2.2k
R224 2.2k
L201
E230
C217
0.1
R227
FUSE, 25A
FUSE, 25A
FUSE, 25A HL201 HOLDER, FUSE
10k 10k
33 1/4W
R249
IC205 MC33152DR2
10
1/4W
R250 33 1/4W
Q210 IRF3205-X R241 10 1/4W
R243
C226
Q211 IRF3205-X
2200p
F003
F002
F001
R226
Q207 2SC2412K
E204
22/16
T203 TRANS, POWER
D205 E210 1800/25 KCF25A20 Z202 BK2125HS601-T 1800/50 R257 7.5k 1/4W 1800/50
47k
REMOTE
T201 COIL, CHOKE 14.4 GND HL202 HOLDER, FUSE 27k 1/8W 1/8W E206 22/16
Q218 KTD600K
IC207 NJM78L05UA
E211 R252 33 1/4W C230 R251 33 1/4W C227 0.01 R242 C221 E207 0.1 N.U. E208 C222 N.U. 0.1 10 1/4W Q212 IRF3205-X C224 0.47 R244 Q213 IRF3205-X 1800/25 E212 0.47 1800/25 TH201 22k TH202 1800/50 2200p
BATT
D801 RLS-73
R809
Q208 KTB985
R806
22k
IC203 NJM7809DL1A
47k
Q803 2SC2412K
100/25
R259
2200p
750k
C238
HZK16L
ZD205
E216
E217
C234
10 1/4W
1800/50
E218
TML302 CONN, WB 3P
E224
R231
R233 1.6k
27k 1/8W
2k 1/8W
R260
0.01uF
0.01uF
0.01uF
C237
100pF
E220
1200p 18k
R232
R234
IC206 MC33152DR2
C204
C202
C203
C205
R236
120k
10 1/4W
R238
10 1/4W
D206 E214 1800/25 E215 C231 0.47 1800/25 C25P20FR
Z203 BK2125HS601-T
33 1/4W
33 1/4W
R258
C220
R239 R240
R253
2200p
22k
R247 10 1/4W Q216 IRF3205-X C225 0.47
C218
R230
820
C201
100pF
C210
N.U.
R228
2200p
C229
Q217 IRF3205-X
2.2k
R256
R229
R248 10 1/4W
Q219 KTB631K
4.7k
0.1
IC208 NJM79L05UA
E229
330/10
7.5k 1/4W
E213
1800/25
E227
C235
R245
C232
E222
C233
DTA124EKA
33 1/4W R254 33 1/4W
T204 TRANS, POWER
C236
750k
E205
C219
R235
E223
Q209
E209
N.U.
Q214 IRF3205-X
Q215 IRF3205-X R246
1800/50
0.47
1k
1k
22k
100/16
C228
0.01
0.47
T202 COIL, CHOKE 14.4
100/25
E225
1/50
0.1
1800/50
ZD206
0.1
0.47
C223
HZK16L
IC204 uPC494GS
E226
E228
1/50
100/16
0.1
C355
C357
0.01
C356
Q309 IRF3415Pb
N.U.
0.1
Q808
1uF
Q311 IRF3415Pb
1500pF
C347
0.01
1k
4.7/50
6.2k
47k 1/4W
1k 1/4W
R340 R341 R342
6.8
1/4W
C332
C807
0
E313
R302
R304
R306
R308
10k 1/4W
E302
C310
C333
1k 1/8W
IC307 IR2010S
3300p
R324
D304
0
MURS120
D306 MURS120
D807
IC304 MC14069UBD
R323
6.8 1/4W 6.8 1/4W
Q312 IRF3415Pb
T301 15uH
-9-
TO P. W. BOARD
TO PARTS LIST
TO CONTENTS
R828
56k
1200p C314
E308
N.U.
D307 R325 R326 R327
SK2BS 30 1/4W 30 1/4W 30 1/4W
R343
R813
R815
R317
C313
2.2k 1/8W
2.2k 1/8W
MRP-M850
Terminal Voltage of IC/TR
IC101 IC102 IC103 IC104 IC105 IC106 IC107 IC108 1 13.3mV 13.1mV 3.9mV 10.9mV 3mV 58.9mV 59.5mV 36.3mV 1 5.1V 2 13.2mV 13.1mV 8.8mV 10.9mV 3.1mV 58.9mV 59.5mV 36.3mV 2 7.98V 3 12.6mV 12.5mV 8.5mV 10.3mV 2.8mV 58.8mV 59.5mV 36.1mV 3 0V 4 -15.08V -15.1V -15.1V -15.13V -15.13V -15.13V -15.14V -15.14V 4 0V 5 12.7mV 12.6mV 8.3mV 10.4mV 11.1mV 9.3mV 61.2mV 2.7mV 5 3.55V 6 13.6mV 13.4mV 8.9mV 10.9mV 11.5mV 9.6mv 61.6mV 2.9mV 7 13.6mv 13.4mV 3.8mV 11mV 58.6mV 9.6mv 61.3mV -31.7mv 8 15.06V 15.06V 15.05V 15.05V 15.06V 15.06V 15.07V 15.07V
IC201
IC202 IC203
1 13.56V 14.34V 1 2.62V 9 3.54V 1 29mV 28.3mV 1 4.95V 0V 1 -2.11V
2 0V 0V 2 2.65V 10 3.53V 2 3.52V 3.53V
3 5.01V 9.03V 3 0.01V 11 9.02V 3 2.9mV 2.9mV 4 0V 12 9.02V 4 3.53V 3.53V 5 1.68V 13 5.03V 5 4.07V 4.06V 6 3.76V 14 5.03V 6 9.03V 9.03V 7 0V 15 5.03V 7 4.07V 4.06V 8 9.02V 16 0V 8 27.8mV 27.8mV
IC204
IC205 IC206
IC207 IC208
2 3 0V 14.93V -15.01V -4.95V 2 1.7mV 3 -0.6mV 4 -4.96V 5 2.8mV 6 0.5mV 7 -2.08V 8 4.95V
IC301
IC303
1 2 3 4 5 6 7 -31.36V -32.01V -32.01V -31.37V -31.37V -32.15V -37.71V 8 9 10 11 12 13 14 -25.86V 37.71V -32.43V -31.55V -31.55V -32.14V -25.84V 1 2 3 4 5 6 7 -31.32V -31.97V -31.96V -31.3V -31.3V -32.13V -37.71V 8 9 10 11 12 13 14 -25.84V -37.72V -32.43V -31.56V -31.56V -32.14V -25.83V 1 2 3 4 5 6 7 -32.44V -32.33V -34.11V -32.66V -31.55V -31.56V -31.56V 8 9 10 11 12 13 14 -37.72V -31.56V -32.68V -34.08V -32.32V -32.43V -25.83V 1 -33.5V 9 0V 2 3 4 -37.72V -25.83V 0V 10 11 12 0V -25.83V -34.09V 5 0V 13 -37.7V 6 0V 14 -32.7V 7 11V 15 -37.7V 8 2.75V 16 0V
TO CONTENTS
IC304
IC305
IC306
TO SCHEMATIC - 10 -
MRP-M850
IC307
1 -33.5V 9 0V 1 5.1V 1 0V 10 5.1V 19 4.97V 28 3.57V 37 0V 1 5.1V 8 5.1V 1 0V 5.1V 5.1V 0V 1 0.07V 8 4.76V 1 4.77V 1 5.1V E 0.04V 1 14.98V E 0V 14.39V 0V 14.39V 5.03V
2 3 4 -37.72V -25.83V 0V 10 11 12 0V -25.83V -34.09V 2 5.1V 2 2.12V 11 0.02V 20 5.03V 29 0V 38 0V 2 0V 9 5.1V 2 5.1V 5.1V 0V 0V 2 0.07V 9 2.15V 2 0.34V 2 5.1V C 0V 2 -1.64V C 0.03V 14.29V 0.73V 14.38V 0V 3 0V 3 2.26V 12 0V 21 0V 30 1.4V 39 0V 3 0V 10 0V 3 0V 0V 0V 1.42V 3 5.1V 10 4.76V 3 0.34V 3 0V B -1.89V 3 15.05V B 0.66V 13.71V 0.15V 13.66V 4.87V 4 0V 4 0V 4 0V 13 0V 22 0V 31 5.1V 40 0V 4 5.1V 11 0V 4 0V 5.1V 0V 5.1V 4 4.78V 11 2.38V 4 0.34V 4 0V
5 0V 13 -37.7V 5 2.65V 5 5.1V 14 0V 23 5.1V 32 5.1V 41 0V 5 5.1V 12 0V 5 5.1V 5.1V 5.1V 0V 5 2.38V 12 0V 5 0.34V 5 4.95V
6 0V 14 -32.7V
7 11V 15 -37.7V
8 2.75V 16 0V
IC401
IC403
6 5.1V 15 0V 24 5.1V 33 5.1V 42 0V 6 0V 13 0V
7 5.1V 16 0V 25 2.05V 34 5.1V 43 0V 7 0V 14 5.1V
8 5.1V 17 0V 26 1.93V 35 5.1V 44 0V
9 5.1V 18 0V 27 0V 36 0V
IC404
IC405 IC406 IC407 IC408
IC409
6 4.78V 13 0V 6 0.34V
7 2.14V 14 0V 7 4.93V 8 0.34V
IC801
IC802
Q101
Q102
5 0V D 14.39V 14.39V 14.39V 14.39V 14.39V 14.39V 14.39V S 0V 0V 0V 0V 0V 0V 0V G 4.05V 4.05V 4.05V 4.05V 4.05V 4.05V 4.05V
TO CONTENTS
Q201 Q202 Q207 Q208 Q209
Q210 Q211 Q212 Q213 Q214 Q215 Q216
TO SCHEMATIC - 11 -
MRP-M850
Q217 Q305 Q306 Q307 Q308 Q309 Q310 Q311 Q312
D 14.39V 0V 37.83V 0V 37.83V 0V 37.83V 0V 37.83V
S 0V -37.73V 0V -37.74V 0V -37.73V 0V -37.74V 0V
G 4.05V -34.16V 2.18V -34.16V 2.18V -34.16V 2.18V -34.16V 2.18V
Q218 Q219 Q301 Q302 Q303 Q304 Q401 Q402 Q403 Q404 Q801 Q802 Q803 Q804 Q805 Q806 Q807 Q808 Q809 Q810 Q811
E C B 15.04V 37.79V 15.67V -15.11V -37.71V -15.72V -1.49V -31.3V -2.09V -1.49V -31.3V -2.1V -25.8V -2V -25.27V 4.97V -37.68V 4.92V 0V 5.1V 0.07V 0V 5.1V 0.07V 0V 5.1V 0.07V 0V 5.1V 0.07V 0V 0.02V 0.77V 0V 0.02V 0.77V 0V 0.01V 0.07V -37.71V -37.7V -37.02V 0V 5.1V 0V 4.95V 4.88V 0.01V 4.95V 4.94V 0.03V 0V 3.5V 0V 4.95V -4.94V 4.93V 0V 4.93V 0V -4.96V 1.88V -4.94V
[Measuring Conditions] 1.Power Supply Voltage : DC14.4V 2.Measuring Meter : Digital Multi Meter 3.Measuring Point Reference : Between GND 3.Measuring Condition : No signal input
TO SCHEMATIC - 12 -
TO CONTENTS
MRP-M850
Description of IC Terminal
TMP86M47AUG : IC403
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Symbol VSS XIN XOUT TEST VDD I2C_SDA(PULL-UP) I2C_SCL(PULL-UP) RESET BAT_DET I_LIMIT FAN1 FAN2(PULL-DOWN) NC(PULL-DOWN) CMD_DOUT (PULL-DOWN) CMD_DIN(PULL-DOWN) CMD_CLK (PULL-DOWN) NC(PULL-DOWN) POWER_P1 POWER_P2 POWER_P3 (PULL-DOWN) FREQ1(PULL-DOWN) FREQ2(PULL-DOWN) VOL_DET 6dB_DOWN OUT_THRM AD_KEY AD_FREQ1 AD_VOLT AD_FREQ2 (PULL-DOWN) AD_THRM AD_THRM_DET LED MUTE VAREF AVDD AVSS VOL_CE1(PULL-DOWN) VOL_CE2(PULL-DOWN) VOL_CL(PULL-DOWN) VOL_DI(PULL-DOWN) LCD_CE(PULL-DOWN) LCD_DI(PULL-DOWN) LCD_CLK(PULL-DOWN) LCD_INH(PULL-DOWN) Pull-down connect terminal. I I I O O Voltage signal input terminal. Pull-down connect terminal. Temperature signal input terminal. Temperature detection input terminal. LED(Back Light) ON output terminal. MUTE output terminal. Analog reference power supply terminal for A/D converter. Power supply terminal for A/D converter. Analog reference GND terminal for A/D converter. I I I VOLT-DET terminal. (Secondary voltage, DC-OFFSET) -6dB temperature detection input terminal. Output Thermal detect terminal. Capacitor connect terminal. Pull-down connect terminal. O O Power supply circuit control signal output terminal -1. Power supply circuit control signal output terminal -2. Pull-down connect terminal. I I I O RESET terminal. BAT-DET terminal. I_LIMIT input terminal. FAN POWER supply control. (9V) I/O I I O I TEST terminal. Power supply terminal. (4.5 to 5.5V) Pull-up connect terminal. GND connect terminal. Crystal OSC connect terminal. Terminal Description
TO SCHEMATIC - 13 -
TO CONTENTS
Exploded View (Cabinet)
15 X3
MRP-M850
23 X3
23 X3 a 15 X3
4
21
19 X7 22 X2 23 X2
b c d 7 21 X4 22 X2 7 20 X2 7 j k i
JK101
22 X2 16
F001
F003 F002 TML302 HL202
20 16
10
h
HL201 TML301
g
n
20
9
7
17 X4 18 X2 23 X3 12 g
a
p l m 22 X2
CB101
n
14 13
h
6
X7
VOL101
r
VOL103 VOL102
j
3
e k e p l 2 m r 1 c 16 20 X2 9 1 16
d
f
10
23 X3 b 11
8 5
i
f
17
- 14 -
TO PARTS LIST
TO CONTENTS