Marantz SR-3000, Service Manual

Page: 66 / 77

11-12 11-12
LEU0156
9921 3104 217 05990
LEFT & RIGHT & CENTER & SURROUND AMPLIFIER FR970
STK496-070
1k
100k
From 1265
Monoboard
–VL
6
3
47E
22
µ
+VL
2
1
10
µ
47E
22
µ
BC847B
10k 33k
220E
1000
µ
–VL
–VP
2
µ
2
2
56k
µ
2
–VP
–VP
0E22
NF2 13
8
BC847B
1k5
1k
BC847B
1k5
–VC2
1
CCC 12
IN2 14
NF1 11
470p
1k8
+VP
+VL
+VP
IN1
µ
22
10
220p
+VP
9
0E22
–VC1
2
OUT2 7
1
4
R
220n
4n7
+VL
+VC
3
OUT1 6
3
2
L
–VL –VL –VL –VL –VL –VL
1N4148
4
IN_S
IN_S
IN_S IN_S 4E7
µ
1
4E7
220n
A
56k
4p7
4E7
1
µ
A
220n
220n
4E7
PTC
Substrate 15
47k
A
4n7
A
SURROUND
47k
10
µ
A A
A A
A
IN_S
1k8
µ
22
IN_S
220p
56k
IN_S IN_S
470p
56k
4p7
A
BC857B
47k
A
C3V3
BZX79/
A
10k
+VL
10n
0E22
–VL
0E22
–VL
100p
100p
chassis
PTC2 PTC1
4 5
47n
IN_S
2
µ
2
1k8
µ
IN_C
22
56k
IN_C
23 NF3
IN_C
220p
IN3
CCC
IN_C
470p
24
20
–VP
16
–VP
2
µ
2
IN_LR
56k
IN_LR
1k8
µ
22
STK496-630
IN1
NF1
IN_LR
19
18
470p
IN_LR
220p
+VP
17
+VP
25
–VC3 –VC2
11
56k
OUT3 26
10p
PTC
PTC1
12
PTC2
13
OUT1 14
NF2
IN2
supply Part
–VC1
10
4E7
1
µ
A
220n
220n
4E7
10p
56k
10p
10p
56k
10p
10p
+VL +VH
+VH
4
+VL
1
CONTROL
22
21
9
–VH
7
–VL
8
–V0 –VL –VH
0E33 0E33
1k8
1k5
0E33
BC846B
1k5
0E33 0E33
BC846B
0E33
1k8
0E33 0E33 0E33
1k8
1k5
BC846B
CONTROL
OUT2 15
2
µ
2
56k
IN_LR IN_LR
470p
10
µ
BXZ79
6k8
5 +ZD
220n
220n
A
4E7
1
µ
4E7
220n
220n
A
4E7
1
µ
4E7
GND 2 /C8V2
–ZD
/C8V2
BXZ79
6k8
10
µ
SW 3
6
A
A
A
A
A
A
hst
hst
1k8
IN_LR
µ
22
220p
IN_LR
A
A
10
47E
µ
A
µ
22
–VP
47E
µ
22
+VP
+VL
+VL
–VL
+VL
+VH
10
µ
A
–VH
–VL –VL
22n
A IN_S
100n
A IN_C IN_LR
22n
BC856B
BZX79/
1N4148
47k
A
A
10n
C3V3
–VP –VP
BC847B
10k
100k
A
33k
220E
1000
–VP
22k
+VH
µ
BC847B
39k
+5D
REF
BC847B
REF
1N4148
REF
100k
REF
+5D
680E
47k
+5D
BZX79/C6V8
100
µ
REF
BC857B
1N4148
680E
+5D
47k
47k
47k
2
1
L
5
6
4
3
1
2
A
A
A
5
4
3
1
2
6
5
R
8
C
4
7
4n7
100p
100p
4n7
100p
4n7
3 6
6k8
Part
Right in
from Right out
from Left out
Left in
Control
Volume
From
from Center out
Center in
Surround Left in
from Surround Left out
from Surround Right out
Surround Right in
Control
Volume
Part
To/From
amp prot
amp lr on
amp s on
Supply
Part
Monoboard
From
prot
amp
1520
+VH
–VH
L
L
L
L
–VPL –VPL –VPL
1k
BC847B
–VP
10k
100k
–VP
10k
100k
BC847B
1k
1N4148
–VPL –VPL
1N4148
1k
1k
1N4148
22n
1k
REF
22k
REF
BC846B
100k
100k
1N4148
–VH –VH –VH
REF
BC856B
µ
10
fmute
–V0
1N4148
470E
470E
470E
470E
470E
5
SOAR PROTECTION
SURROUND AMPLIFIER SR4000
SOAR PROTECTION
CIRCUIT
AMP ON/OFF
PROTECTION
CIRCUIT
LEFT & RIGHT & CENTER AMPLIFIER SR4000
HST & DC
AMP ON/OFF
CIRCUIT
2299
7261
6289
3253
3252
7260
3943
3251
2298
6901 3934
3320 6303
6904
3935
7909
3936
3937
7310
3359
3360
3358
4904
3267
2373
2376
2372
2375
2374
2371
1301 1305 1302
3306
3305
3307
3263
6271
7255
2280
6270
3260 3259
3264
6279
7256
3272
7259
3357
7309
2350
3327
3326 3330
3329
2365
3356
6305
6304 7304
2301 2357
2911
9310
2305
9309
2303
3301
2353 2354
3328
2325
3315
2330
6302
2349
3325
5305
3316
3354
2333
2360
5303
3311
3353
2321
2359
3303
6301
2306
9303
9305
2319
3314
2316
7307 3336
3343
3344 3345 3351 3350
7306
3341
3335
3342
3340
7305
3337
3339
3338
3334
3349
9307
2326
2327
3319
2308
2309
3304
2345
3352
2314
2358
5301
3309
2348
3324
7302
2313
2311
2315
3310
3308
2310
2337
2341
3322
3323
2346
2334
2904
2931
9906
2930
3926 3931
2928
3933
6903
3932
7906
2922
3914
2914
3911
2918
2919
3913
2924
3903
2917
3919
2920
2916
3910
5902
2903
3902
9904
2908
3916
3905
3922
3920
3915
2923
2902
3901
2901
7902
3925 3917
3918
2925
2913
3906
3921
3927
3928
7903
7904
3929
2906
3908
2912
2910
7901
3930
1901
2921
3904
2909
5901
6902
1902
6290
3361
3362
3363
2905
3946
3947
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
A A
B B
C C
D D
E E
F F
G G
H H
I I
J J
K K
L L
M M
N N
O O
1301 B20
1302 B18
1305 B18
1901 K18
1902 M4
2280 H6
2298 E5
2299 E4
2301 K3
2303 M2
2305 M2
2306 L2
2308 A16
2309 A16
2310 B8
2311 B9
2313 A9
2314 C17
2315 A8
2316 C8
2319 C9
2321 D17
2325 G8
2326 E16
2327 E16
2330 G7
2333 E17
2334 D8
2337 D9
2341 E9
2345 E15
2346 F8
2348 E15
2349 N2
2350 C6
2353 O2
2354 O2
2357 K3
2358 C17
2359 D17
2360 E17
2365 C4
2371 B19
2372 D19
2373 E19
2374 C19
2375 D19
2376 E19
2901 M5
2902 M5
2903 J15
2904 L15
2905 J9
2906 K10
2908 L16
2909 K17
2910 J10
2911 O8
2912 J10
2913 L9
2914 L10
2916 M16
2917 L17
2918 M10
2919 M10
2920 M16
2921 L16
2922 M15
2923 O5
2924 O5
2925 L7
2928 L5
2930 L18
2931 L18
3251 E5
3252 F5
3253 F5
3259 G5
3260 G6
3263 H3
3264 H5
3267 I5
3272 H4
3301 M2
3303 C15
3304 A15
3305 D17
3306 B18
3307 E17
3308 B8
3309 B16
3310 A8
3311 C16
3314 C8
3315 G7
3316 E16
3319 E15
3320 G9
3322 D8
3323 E8
3324 E14
3325 D15
3326 D6
3327 C6
3328 N2
3329 C5
3330 D5
3334 G12
3335 G14
3336 G10
3337 H11
3338 H12
3339 H12
3340 H14
3341 H14
3342 H15
3343 H10
3344 H10
3345 H9
3349 H10
3350 H15
3351 H8
3352 C17
3353 D17
3354 E17
3356 D3
3357 C4
3358 C6
3359 D6
3360 E6
3361 B8
3362 C8
3363 D8
3901 M5
3902 J14
3903 L17
3904 K17
3905 K15
3906 K10
3908 J10
3910 L15
3911 L10
3913 M10
3914 M14
3915 N5
3916 K16
3917 L7
3918 L7
3919 M16
3920 L6
3921 N12
3922 N14
3925 L6
3926 O11
3927 O12
3928 O13
3929 O14
3930 O14
3931 O15
3932 L4
3933 K5
3934 N9
3935 L8
3936 J7
3937 J7
3943 E5
3946 J9
3947 L9
4904 J9
5301 B16
5303 C16
5305 D16
5901 K15
5902 L15
6270 H6
6271 H5
6279 I3
6289 F4
6290 E3
6301 B15
6302 D15
6303 G9
6304 C4
6305 C3
6901 N9
6902 L4
6903 K6
6904 J6
7255 G5
7256 H5
7259 H4
7260 F5
7261 E4
7302 A10
7304 C5
7305 G13
7306 G13
7307 G10
7309 C4
7310 D7
7901 J11
7902 L6
7903 N13
7904 N13
7906 K5
7909 J7
9303 F13
9305 F12
9307 H12
9309 L2
9310 N2
9904 K16
9906 M17