Schematic Diagram - Marantz SR7300 Service Manual

5. SCHEMATIC DIAGRAM

C302
10/50V
R350
15
R352
R302
10
33k
R304
1k
C304
330p
0 0
2 3
4
Q301
2068
OP-AMP1/2
C322
100/16V
1
0
R306
100
C306
10p
0
Q304
2 2
2SA1048
R310 2SC2458
10k 3 1 Q306 1 +0.6 3 R308 10k
-0.6
2 2
Q312 Q308
2SC2240 2SA970
3 1 1 3 R318 R316 3 1
R314 68 68 1
2SA970 Q314
470
Q310 2SC2240
2 2
C308
-53.1 +53.1
2200p
2 2
R324
330k 330k D302
3 1 1 3
R326
R322 D304
Q318 Q316
150
2SC2705 2SA1145
C310 22/50V
C312
C314
100/63V
100/63V 100/63V
220/63V(OSE, PS)
220/63V(OSE, PS) 220/63V(OSE, PS)
-1.3 R366 +1.3
680
R328
R330
100 100
D308 D306
C318 C316
D312
D310
Dummy Dummy
3.9V 2 3.9V
R336
5 1
1 3 10
Q322 4 R338 2 Q320
SAP17N
SAP17P 220
3 1 5 3
-55.0 0 +55.0
2 4
R356 R354
1k R358 680 1k
R360 22k
2
D314 HSS81
R364
R362 22k 3 1 22k
D316 HSS81
Q324
2SC2240
P104
RMA (@1@@-@3@@) POWER AMPS
RMC (@N@@) PROTECTIONS
VH
J805
W805
SDN
LN99 LY2-0
1 3 5 RN68
150 1/4W
7
From Main Transfomer
8
1 1 AC41.0
RN69
2 4 6
150 1/4W
2 2 AC14.9
3 3 0
4 4 AC14.9
AC41.0
5 5
J801
VH
D802 1A D803 1A
D804 1A D805 1A
D806 1A D807 1A
D808 1A D809 1A
C820
+17.6
100/63V
R811
1 1/2W
R812
1 1/2W
-17.6
+8.4
EH 1
J802
1 1
3 2
2 2 AC7.9
3 3
D801
6GBU02
4 4
4
C819
R803
TO JC02(PC04: Dummy
100 1/4W
-21.3 +5VL
Display PCB)
-21.3
FL2 R804
1 1
100 1/4W
FL1
2 2
VKK 3 3 -28.8
GND 4 4
GND
5 5
+5VD
6 6
+5VL
7 7
W803 J803
PH
TO J980(PD04:Digital I/O PCB)
10/50V
C301
R349 33k R250
15 15
R351 10
R301
10 R252
1k
R303
C303
330p
0 0
100/16V
C321
2068
Q301
OP-AMP2/2
+12V
0
100
R305
-12V C305 -12V
10p
0
2SA1048
Q303
10k 2SC2458
R309
-0.6 Q305 +0.6 R307
10k
+12V 2SC2240
Q311 R311
3 R312 R313 R317 R315 470 R214
470 470 68 68 470
2SA970 Q313
Q309 2SC2240
Q307
2SA970
C307
-53.1 +53.1 -53.1
2200p
D301
D303 150
R320 R321 R325 R323 R222
R319
2SC2705 2SA1145
150 150 330k 330k 150
Q317 Q315
C309 22/50V
C313 C311 C214
100/63V
100/63V
220/63V(OSE, PS)
220/63V(OSE, PS) 220/63V(OSE, PS)
-1.3 +1.3
R365 680
R329 R327
100 100
D307 D305
Dummy Dummy
C317 C315 C218
D311
D309
R337 Dummy
3.9V 3.9V
5 R335 1
2 10
Q321 4 220 2 Q319
SAP17P 1 3 SAP17N
3 1 5 3
-55.0 0 +55.0 -55.0
2 4
R353
R355
1k
1k R357 680
R359 R260
22k
D313 HSS81
R361 R363 R262
22k 22k
D315 HSS81
2SC2240
Q323
D10XB40 D821
4 3 2 1
4 3 2 1
C822 C821
0.1 0.1
SCN 1
1 2 3 4 5 6 2 3 4 5
W806
1 2 3 4 5 6
Idring Adjust Test Points
1 2 3 4 5
EARTH
J806
1 2 3 4 5 6 J804 1 2 3 4 5
EH
GND
_HEAT_DET +5.0
_PA_FAIL +5.0
C801
15000/63V
27000/65V(OSE) RN76 15k
QN60
+55.0 RN74
2SC2458 1
15k
RN72 10k 2
0
+5.0
RN75
3 2SC2458
3
-55.0 15k QN61
2
C802
RN77 15k
15000/63V
1
QN55 QN62
27000/65V(OSE)
2SA1048 2SA1048
1 CN55
RN80 10k
1000p
2
RN55
3 10k
Q801
3 1
+17.3
7812
2
RN73
10k
3
7912
-17.3 2 1
Q802
3 3
3 1
2
7805
QN54
2 1 1
2SA1048
Q803
Q804
DN54
3 1
1A
7805
2
LN54
0 0 0
W808
8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1
SAN
J809 PH
W809
J174
8 7 6 5 4 3 2 1
SB SL SR
SPEAKER OUTPUTS
TO JS05(PS04:Audio PCB)
9
FROM JE09(PS04:Audio PCB)
FROM JE08(PS04:Audio PCB)
J102
J101
EH
PH
10/50V
C202
10
33k R249 33k
R251
15
R202 R201
1k
R204
C204 C203
330p 330p
0 0 0 0
2068
-12V 2068 Q201
Q201 OP-AMP2/2
OP-AMP1/2
C222
100/16V
0 0
100 100
R206 R205
C206 -12V C205
10p 10p
0 0
2SA1048 2SA1048
Q204 Q203
10k 2SC2458 10k 2SC2458
R210 R209
-0.6 Q206 +0.6 R208 -0.6 Q205 +0.6
10k
2SC2240 +12V 2SC2240
2SA970
Q212 Q211
Q208
R218 R216 R212 R213 R217 R215
68 68 470 470 68 68
2SA970 2SC2240 2SA970 2SC2240
Q210 Q214 Q209 Q213
2200p 2200p
C208 C207
+53.1 -53.1
D202
330k 330k 150 150 330k 330k
R226 R224 R221 R225 R223
D204 R220 D203
2SC2705 2SA1145 2SC2705 2SA1145
Q218 Q216 Q217 Q215
C210 22/50V C209 22/50V
C212
C213
680 100/63V 680
100/63V 100/63V
220/63V(OSE, PS)
220/63V(OSE, PS)
-1.3 R266 +1.3 -1.3 R265 +1.3
100 100 100
R230 R228 R229
D208 D206 D207 D205
3.9V 3.9V 3.9V 3.9V
Dummy
Dummy C217
D212 D211
D210 D209
R238 C216 R237
R236 5 R235
5 1
2 10 2 10
SAP17P SAP17N SAP17P
4 220 2 4 220 2
Q222 Q220 Q221
1 3 1 3
3 1 5 3 3 1 5
0 +55.0 -55.0 0
2 4 2 4
1k 1k
1k 1k
R256 R255
680 680
R254 R253
R259
HSS81 HSS81
22k R258 22k R257
D214 22k D213
R261
HSS81 R264 HSS81
22k 22k
D216 D215
2SC2240 2SC2240
Q224 Q223
W179
J179
VH
R171 10 1w
C173 0.022 C171 R172 10 1w
P804
C174 0.022 C172 R271 10 1w
C273 0.022 C271 R272 10 1w
RMB (@1@@-@3@@) POWER AMPS
C274 0.022 C272 R371 10 1w
RPS (@8@@) POWER SUPPLY
C373 0.022 C371 R372 10 1w
C374 0.022 C372
0 0 0 0 0 0
QN59
1 DTC114
2
0
3
QN58
1 DTC114
2
3
QN57
3 3 3
1 DTC114
2 2 2 2
2
QN53 QN52 QN51 QP92
1 1 1
2SA1048 2SA1048 2SA1048 2SA1048
3
1A 1A 1A QN56
1A
DN52 DN51 DP91 1 DTC114
DN53
2
3
QP91
1 DTC114
2
LN53 LN52 LN51 LP91
0 0 0 0 0 0 0
3
+5.0
JP91 J810
EH FFC
J173 J172 J171 WP91
WC02
CENTER
FL(B) FR(B) FL(A) FR(A)
TO JP92(PP94:Head Phones PCB)
TO JU04(P604:u-Com DSP PCB)
10/50V
10/50V C102
C201
10
R150 33k R149
R152
15 15
R102
1k 1k
R203 R104
C104
330p
0 0
100/16V
C221
-12V 2068
Q101
OP-AMP1/2
+12V
C122
100/16V
0
100
R106
-12V C106
10p
0
2SA1048
Q104
10k 2SC2458
+12V
R110
R207 -0.6 Q106 +0.6 R108
10k 10k
2SC2240
2SA970 2SA970
Q112
Q207 Q108
R211 R114 R118 R116 R112
470 470 68 68 470
2SA970 2SC2240
Q110 Q114
2200p
C108
+53.1 -53.1 +53.1
D201 D102
150 150 330k 330k 150
R122 R126 R124
R219 D104 R120
2SC2705 2SA1145
Q118 Q116
C110 22/50V
C211 C114 C112
680 100/63V
100/63V 100/63V
220/63V(OSE, PS) 220/63V(OSE, PS) 220/63V(OSE, PS)
-1.3 R166 +1.3
100 100 100
R227 R130 R128
D108 D106
3.9V 3.9V
Dummy
Dummy C118 Dummy
D112
D110
C215 R138 C116
1 5 R136 1
2 10
SAP17N SAP17P SAP17N
4 220 2
Q219 Q122 Q120
1 3
3 3 1 5 3
+55.0 -55.0 0 +55.0
2 4
1k
1k
R156
680
R154
R160
HSS81
22k R158
22k D114 22k
R162
R263 HSS81 R164
22k
D116
2SC2240
Q124
JP99
Idring Adjust Test Points PP94
9
(RHP)
JP92 8
EH
WP91 XP91
1 1 HP DET
HP-R 7
2 2
GND
3 3
3
HP-L
4 4
CP92
2
0.1
WP93
1
EARTH HEAD PHONES OUT
D862 0.1A
Q852
S-80842CNY
GND 5 5
RESET IC (4.2V)
2.2k 1/6w
R851
+5VL 4 4 +5.0 OUT 1 VDD
3
+5VL
PR_POWER 3 3 +12.0 2 VSS
_STANDBY
2 2 +5.0
_P_DOWN
1 1 +5.0
J807 J853
JQ XH-S
78M05 Q851
1A
3 1 +10.4
OUT IN
D858 2 2
GND
Jumper
2
1
1
3
E
B E 3 AC OUTLETS
R854
2 2
DTC114 C 1 B L851
10k
Q853 Q854
1
2SA1048 C
TV-8
F851
J856 J857
AC250V 10A (U,F)
AC250V T5AL (N,K)
VA
J854
P894
SDN
T001
W891
9
1
2
P864
8
3
1
4
7
5 1 1 1 1
6
2 2 2 2
1
5 2
2 4
3
4
3
SCN
W892
MAIN TRANSF.
10
10/50V
C101
10
33k
R151
R101
1k
R103
C103
330p
0 0
6 5
C121
2068
100/16V
Q101
OP-AMP2/2
8
7
0
100
R105
-12V C105
10p
0
Q103
2
2SA1048
10k 2SC2458
R109
-0.6 Q105 +0.6
1 3 R107 10k
2SC2240
2
Q107
Q111
2SA970
R113 R117 R115 3 1
470 68 68 3 R111
1
2SA970
Q113 470
Q109
2SC2240 2
2200p
C107
-53.1 +53.1
2
150 330k 330k D101
1 3
R121 R125 R123
D103 R119
2SC2705
Q115 150
Q117
2SA1145
C109 22/50V
C111
C113
680
100/63V 100/63V
220/63V(OSE, PS) 220/63V(OSE, PS)
-1.3 R165 +1.3
100
R127
R129 100
D107 D105
3.9V
Dummy
C117 Dummy
D111
D109
R137 C115
3.9V
R135
5 1
2 10
SAP17P Q119
4 220 2 SAP17N
Q121
1 3
3 1 5 3
-55.0 0 +55.0
2 4
1k
R153
R155
680 1k
R159
HSS81
22k R157
CN01
4.7/50V
D113
R161 R163
HSS81
22k 22k RN16
6.8k
D115
Q123
2SC2240
2
QN02
2SA970
3 1
RN09
22k
RN01 68k
0
RN02 68k CN03
0.01
RN08 100k
RN07 0
RN03 68k
33k
RN10
CN04 1
RN04 68k
47/50V 100k
+5.0
CN02 2
RN05 68k
0.01
CN08
3
RN06 68k
0.01
4
QN04
RN11
1 DTC114 22k +12V 5
RN17
2 -12V 3.3k
6
RN12 0.47/50V CN05
7
4700p
1k
CN09 RN13
3 8
33k
9 QN01
RN14
CN06 TA7317P
Dummy
1k RN15
+12V
3.3k
+5.0
1 C
RN22
2 10k
Heat Sens Temp.
B
100C'
QN03
3 E
2SC2458 RN20
10k
RN99
For HEAT Sens.
P854
1A D851
RPS (@8@@) POWER SUPPLY
1A D852
RBU (@8@@) BUCK UP POWER SUPPLY
1A D853
Backup Trans. T851
1A D854 R857
9 4
100V,120V,230V
B856 (F) (U) (N)
Jumper
13 3
P884
220V
B857 (K)
(N,K,F)
1A D855
5 1 VA
J881
1 1 1 1
2
1A D856
(N,K,F)
2 2 2 2
1
W852
VA
J852
(RSW)
AC OUTLET R860 (U)
J860 (U,F) 2.2M J861
J806(N)
GND
EARTH
2
AC CORD(U)
W001
1
1
2
J859 (N) J858 (N)
F852 (N)
AC250V T2.5AL
B854 (U,F)
VA
J851 1
B853 (U,F) 1 1
2
2 2
J871 AC CORD(N,K,F)
W871
Z011
VA AC INLET(N,K,F)