Roland VS-1680 Service Notes page 21

1 2 3 4 5 6 7 8
MAIN BOARD 3/3 (71015356)
A
B
1FS,64FS,256FS,DAD[1:4],ADD[1:4],XMUTE
AUDIO-BUSS
XRESET
XRESET
C
JK300
NC3FAH2-0
D R302
C300
1 2 22(0.5%) 22/50V(PZ)
GND HOT +
3
INPUT1
MIN -50db COLD
C532 R304
MAX + 8db
47P 100K
HEAD +12db AG
R300
E 6.8K(1/4W)
R301
AG
6.8K(1/4W)
C533
R305
47P
100K
+
CN300 R303
BOARD_IN4 C301
22(0.5%)
F C536 22/50V(PZ)
1 +48V_1
TO PANEL (0.1)
2 GND
3 GND
4 +48V_2
C537
(0.1) AG
R322 C313
22/50V(PZ)
22(0.5%)
+
G
R320 C534
R324
47P
6.8K(1/4W) 100K
R321
6.8K(1/4W)
JK301
NC3FAH2-0 AG
1 2 C535 R325
GND HOT
H 47P 100K
3
INPUT2
COLD +
MIN -50db
MAX +8db
R323
HEAD +12db AG C314
22(0.5%)
22/50V(PZ)
I
JK302
C330
LGR4609-7000
R341 22/50V(PZ)
+
2
INPUT3
22(0.5%)
3
MIN -50db 1
R343 R345
MAX + 8db
100K 100K
HEAD +12db
J
AG
AG
R344 R346
100K 100K
R342
+
K
22(0.5%)
C331
22/50V(PZ)
JK303
C343
LGR4609-7000
R359 22/50V(PZ)
L 2 +
INPUT4 4
22(0.5%)
3
MIN -50db 1
R361 R363
MAX + 8db
100K 100K
HEAD +12db
AG
AG
M
R362 R364
100K 100K
R360
+
22(0.5%)
C344
22/50V(PZ)
N
JK304
C360
LGR4609-7000
R378 22/50V(PZ)
2 +
INPUT5 4
22(0.5%)
3
O
MIN -50db 1
R380 R382
MAX + 8db
100K 100K
HEAD +12db
AG
AG
R381 R383
100K 100K
P
R379
+
22(0.5%)
C361
22/50V(PZ)
Q
JK305
LGR4609-7000 C373
22/50V(PZ)
R396
2 +
INPUT6 4 22(0.5%)
3
MIN -50db 1
R398 R400
MAX + 8db
100K 100K
HEAD +12db
R
AG
AG
R399 R401
100K 100K
R397
+
22(0.5%)
C374
22/50V(PZ)
S
JK306
C390
LGR4609-7000
R415 22/50V(PZ)
2 +
INPUT7 4
22(0.5%)
3
MIN -50db 1
R417 R419
T MAX + 8db
100K 100K
HEAD +12db
AG
AG
R418 R420
100K 100K
U
R416
+
JK307
22(0.5%)
LGR4609-7000 C391
2 22/50V(PZ)
INPUT8 4
3
MIN -50db 1
MAX + 8db C531
HEAD +12db 1/50BP
V R435
1K
AG
R433 R434
1M 1M
6
5
4 AG AG
2
GUITAR IN
W C404
3
R438 22/50V(PZ)
7 +
8
22(0.5%)
9
1
R440 R442
100K 100K
AG
X JK308
HLJ4306-01-3010
AG
R441 R443
100K 100K
R439
+
22(0.5%)
C405
Y 22/50V(PZ)
Z
9 10 11 12 13 14 15 16 17
C310
(100P)
+15V +15V +15V
R310 C308 R314
IC300
2.2K(0.5%) 47/25V(PZ) 2.2K(0.5%) R318
+ NE5532AN
R317
2
C306 - 39K(0.5%) 4.7K
220P 1 2
-
3
+
3
Q300 Q301
+
3 3 IC301
2SC4117GR 2SC4117GR
1 1 UPC4570G2
AG
C309
2
2 EVUJF8FL354D(50KRD) (100P)
VR300
R306 C307
C304
100K 470/16V(SME)
120P(ECHU) +
C302
(120P(ECHU)) 3 1
R308 C305 R312 R316
47K (100P) 12(0.5%) 1.2K(0.5%)
R315
R311 R313 82K(0.5%)
10K(0.5%) 10K(0.5%)
R307
100K R309
C303 (47K)
AG AG
(120P(ECHU))
-15V -15V
C323
(100P)
+15V +15V +15V
R330 C321 R334
IC300
2.2K(0.5%) 47/25V(PZ) 2.2K(0.5%) R338
NE5532AN
+ R337
6
C319 - 39K(0.5%) 4.7K
7 6
220P -
5
+
5
Q302 Q303 +
3 3 IC301
2SC4117GR 2SC4117GR UPC4570G2
1 1
AG
C322
2 2 (100P)
EVUJF8FL354D(50KRD)
C320 VR301
R326
C317 470/16V(SME)
100K 120P(ECHU)
+
C315
(120P(ECHU)) R328 R332 3 1 R336
C318
(100P)
47K 12(0.5%) 1.2K(0.5%)
R335
R331 R333 82K(0.5%)
R327 10K(0.5%) 10K(0.5%)
100K R329
C316 (47K)
AG AG
(120P(ECHU))
-15V -15V
C340
(100P)
+15V +15V +15V
R349 R353
C338
IC304
2.2K(0.5%) 47/25V(PZ) 2.2K(0.5%) R357
+ NE5532AN
R356
2
C336 - 39K(0.5%) 4.7K
1 2
220P -
3
+
3
Q304 Q305 +
3 3 IC305
2SC4117GR 2SC4117GR
UPC4570G2
1 1
AG
C339
2 EVUJF8FL354D(50KRD) 2 (100P)
C332 C337 VR302
C334
120P(ECHU) 470/16V(SME)
120P(ECHU) +
3 1
R347 C335 R351 R355
47K (100P) 12(0.5%) 1.2K(0.5%)
R354
R350 R352 82K(0.5%)
C333 10K(0.5%) 10K(0.5%)
120P(ECHU) R348
(47K)
AG AG
-15V -15V
C353
(100P)
+15V R367 +15V +15V
C351 R371
IC304
2.2K(0.5%) 47/25V(PZ) 2.2K(0.5%)
R375
+ NE5532AN
R374
6
39K(0.5%) 4.7K
C349 -
220P 7 6
-
5
+
5
Q306 Q307 +
3 3 IC305
2SC4117GR 2SC4117GR
1 1 UPC4570G2
AG
C352
2 2
EVUJF8FL354D(50KRD) (100P)
C345 C350 VR303
C347
120P(ECHU) 470/16V(SME)
120P(ECHU) +
3 1
R365 C348 R369 R373
47K (100P) 12(0.5%) 1.2K(0.5%)
R372
R368 R370 82K(0.5%)
10K(0.5%) 10K(0.5%)
C346
120P(ECHU)
R366
(47K)
AG AG
-15V -15V
C370
(100P)
+15V +15V +15V
R386 C368 R390
IC308
47/25V(PZ)
2.2K(0.5%) 2.2K(0.5%) R394
+ NE5532AN
R393
2
39K(0.5%) 4.7K
C366 -
1 2
220P -
3
+
3
Q308 Q309 +
3 3 IC309
2SC4117GR 2SC4117GR
1 1 UPC4570G2
AG
C369
2
EVUJF8FL354D(50KRD) 2 (100P)
C362 C367 VR304
C364
120P(ECHU) 470/16V(SME)
120P(ECHU) +
3 1
R384 C365 R388 R392
47K (100P) 12(0.5%) 1.2K(0.5%)
R391
R387 R389 82K(0.5%)
10K(0.5%) 10K(0.5%)
C363
120P(ECHU) R385
(47K)
AG AG
-15V -15V
C383
(100P)
+15V +15V +15V
R404 C381 R408
IC308
2.2K(0.5%) 47/25V(PZ) 2.2K(0.5%) R412
NE5532AN
+
R411
6
C379 - 39K(0.5%) 4.7K
220P 7 6
-
5
+
5
Q310 Q311
+
3 3 IC309
2SC4117GR 2SC4117GR
1 1
UPC4570G2
AG
C382
2 2
EVUJF8FL354D(50KRD) (100P)
VR305
C375 C380
120P(ECHU) C377 470/16V(SME)
120P(ECHU) +
3 1
R402 C378 R406 R410
47K (100P) 12(0.5%) 1.2K(0.5%)
R409
R405 R407 82K(0.5%)
C376 10K(0.5%) 10K(0.5%)
120P(ECHU)
R403
(47K)
AG AG
-15V -15V C400
(100P)
+15V +15V +15V
R423 C398 R427
IC312
47/25V(PZ)
2.2K(0.5%) 2.2K(0.5%) R431
+ NE5532AN
R430
2
39K(0.5%) 4.7K
C396 -
1 2
220P -
3
+
3
Q312 Q313 +
3 3 IC313
2SC4117GR 2SC4117GR
1 1
UPC4570G2
AG
C399
2
2 EVUJF8FL354D(50KRD) (100P)
C392 C397 VR306
C394
120P(ECHU) 470/16V(SME)
120P(ECHU) +
3 1
R421 C395 R425 R429
47K (100P) 12(0.5%) 1.2K(0.5%)
R428
R424 R426 82K(0.5%)
10K(0.5%) 10K(0.5%)
C393
120P(ECHU) R422
(47K)
AG AG
-15V -15V
2 IC322
-
1 UPC4570G2
3
+ C414
(100P)
+15V R446 +15V R450 +15V
C412
IC312
2.2K(0.5%) 47/25V(PZ) 2.2K(0.5%) R454
+ NE5532AN
R453
6
C410 - 39K(0.5%) 4.7K
7 6
220P -
5
+
5
Q314 Q315 +
3 3
2SC4117GR 2SC4117GR IC313
1 1 UPC4570G2
AG
C413
2 2 (100P)
EVUJF8FL354D(50KRD)
C406 C411 VR307
C408
120P(ECHU) 470/16V(SME)
120P(ECHU)
+
3 1
R444 C409 R448 R452
(100P)
47K 12(0.5%) 1.2K(0.5%)
R451
R447 R449 82K(0.5%)
C407 10K(0.5%) 10K(0.5%)
120P(ECHU) R445
(47K)
AG AG
-15V -15V
18 19 20 21 22 23 24 25 26
IC303
C311
47/25V(PZ) C457
1 + 3 27 +
AINR AOUTR
R319
22/50V(SME)
4
470 VRADR
C422
R457
C312
47K
2200P(ECHU) 0.1
AG C421 C458 AG
100/6.3V(SME)
26 +
AOUTL
22/50V(SME)
7
IC302 VA+
+15V C424
78L05M R458
47K
0.1
8 28
R340 AGND VCOM
3 IN OUT 1 C459 AG
68(1/2W)
1 0.1
VREFH
C426 C460
100/6.3V(SME)
C327 C328 AG
0.1 0.1 0.1 2 20
VREFL TEST1
C326 C329 C425 19
TEST2
330/16V(SME) 470/10V(SME) 100/6.3V(SME) 18
TEST3
AG 21
VD+
C427 25
C324 R539 CMODE
47/25V(PZ) 10
0.1
7 + 22 AG
DGND
R339
15 256FS
470 MCLK
9 12 64FS
DIF0 SCLK
C325 10 11 1FS
DIF1 LRCK
2200P(ECHU)
16 13 DAD1
DEM0 SDTI
AG 17 14 ADD1
DEM1 SDTO
5
AINL
24
PWAD
6 23
VRADL PWDA
C429
0.1
AK4520A
C428
100/6.3V(SME)
AG
IC307
C341
C461
47/25V(PZ)
1 + 3 27 +
AINR AOUTR
R358
4 22/50V(SME)
470 VRADR
C431
R459
C342
47K
2200P(ECHU) 0.1
AG C430 C462 AG
100/6.3V(SME) 26 +
AOUTL
7 22/50V(SME)
IC306 VA+
+15V C433
78L05M R460
47K
0.1 8 28
R377 AGND VCOM
3 IN OUT 1 C463 AG
68(1/2W)
1 0.1
VREFH
C435 C464
C357 C358 100/6.3V(SME) AG
0.1 0.1 0.1
2 20
VREFL TEST1
C356 C359 19
C434 TEST2
330/16V(SME) 470/10V(SME)
100/6.3V(SME) TEST3 18
AG 21
VD+
C436 25
R540 CMODE
C354
47/25V(PZ)
10
7 + 0.1 22 AG
DGND
R376
15 256FS
470 MCLK
9 12 64FS
DIF0 SCLK
C355 10 11 1FS
DIF1 LRCK
2200P(ECHU) 16 13 DAD2
DEM0 SDTI
AG 17 SDTO 14 ADD2
DEM1
5
AINL
24
PWAD
6 23
VRADL PWDA
C438
0.1
AK4520A
C437
100/6.3V(SME)
AG
IC311
C371
C465
47/25V(PZ)
1 + 3 27 +
AINR AOUTR
R395
4 22/50V(SME)
470 VRADR
C440
R461
C372
47K
2200P(ECHU) 0.1
AG C439 C466 AG
100/6.3V(SME) 26 +
AOUTL
22/50V(SME)
7
IC310 VA+
+15V C442
78L05M R462
47K
0.1 8 28
R414 AGND VCOM
3 IN OUT 1 C467 AG
68(1/2W)
1 0.1
VREFH
C444 C468
C387 C388 100/6.3V(SME) AG
0.1 0.1 0.1 2 20
VREFL TEST1
C386 C443 19
C389 TEST2
330/16V(SME) 470/10V(SME) 100/6.3V(SME) 18
TEST3
AG 21
VD+
C445 25
C384 R541 CMODE
47/25V(PZ) 10
0.1
7 + 22 AG
DGND
R413
15 256FS
470 MCLK
9 12 64FS
DIF0 SCLK
C385 10 DIF1 LRCK 11 1FS
2200P(ECHU)
16 13 DAD3
DEM0 SDTI
AG 17 14 ADD3
DEM1 SDTO
5
AINL
24
PWAD
6 23
VRADL PWDA
C447
0.1
AK4520A
C446
100/6.3V(SME)
AG
IC315
C401
C469
47/25V(PZ)
1 + 3 27 +
AINR AOUTR
R432
4 22/50V(SME)
470 VRADR
C449
R463
C402
47K
2200P(ECHU) 0.1
AG C448 C470 AG
100/6.3V(SME) 26 +
AOUTL
22/50V(SME)
7
IC314 VA+
+15V C451 XMUTE
78L05M R464
47K
0.1 8 28
R456 AGND VCOM
3 IN OUT 1 C471 AG
68(1/2W)
1 0.1
VREFH
C453 C472
C418 C419 100/6.3V(SME) AG
0.1 0.1 0.1 2 20
VREFL TEST1
C417 C420 19
C452 TEST2
330/16V(SME) 470/10V(SME) 18
100/6.3V(SME) TEST3
AG 21
VD+
25
R542 C454 CMODE
10
0.1
22 AG
DGND
15 256FS
MCLK
9 12 64FS
DIF0 SCLK
10 DIF1 LRCK 11 1FS
16 13 DAD4
DEM0 SDTI
17 14 ADD4
DEM1 SDTO
C415
47/25V(PZ)
7 + 5
AINL
24
R455 PWAD
6 23
470 VRADL PWDA
C456
C416
2200P(ECHU) 0.1
AK4520A
AG
C455
100/6.3V(SME)
AG
Sep, 1998
27 28 29 30 31 32 33 34 35
(100P)
C473
R467
5.6K(0.5%)
2 C474
- R468
+
1
R465
3
+ 470
100/25V(PZ)
1K
IC316
UPC4570G2
R469 2
R466
100K
2.7K(0.5%)
AG AG Q316
(100P)
C476 DTC314TK
R473
5.6K(0.5%)
6 C477
R474
-
7 +
R471
5
+ 470
100/25V(PZ)
1K IC316
UPC4570G2
R475 2
R472
100K
2.7K(0.5%)
Q317
AG AG
C479 (100P) DTC314TK
R479
5.6K(0.5%)
2 C480
- R480
1 +
R477
3
+ 100/25V(PZ) 470
1K IC317
UPC4570G2
R481
2
R478
100K
2.7K(0.5%)
AG AG Q318
C482 (100P) DTC314TK
R485
5.6K(0.5%)
6 C483
- R486
7 +
R483
5
+ 470
100/25V(PZ)
1K
IC317
UPC4570G2
R487 2
R484
100K
2.7K(0.5%)
AG AG Q319
(100P) DTC314TK
C485
R491
5.6K(0.5%)
2 C486
- R492
1 +
R489
3
+ 470
100/25V(PZ)
1K
IC318
UPC4570G2
R493 2
R490
100K
2.7K(0.5%)
AG AG Q320
(100P)
C488 DTC314TK
R497
5.6K(0.5%)
6 C489
R498
-
7 +
R495
5
+ 470
100/25V(PZ)
1K IC318
UPC4570G2 R499
R496 2
100K
2.7K(0.5%)
Q321
AG AG
C493 (100P) DTC314TK
(100P)
C491
R508
1K(0.5%)
R503
5.6K(0.5%)
2 C494
C492 - R509
2 1 +
- 100/25V(PZ) R504 R506
1 + 3
R501 + 100/25V(PZ) 470
3
+ 470 1K
IC320
1K
IC319 UPC4570G2
UPC4570G2 R505 R510 2
R507
100K 100K
R502 (1K)
2.7K(0.5%)
AG AG AG Q322
AG C498 (100P) DTC314TK
(100P)
C496
R519
1K(0.5%)
R514
5.6K(0.5%)
6 C499
C497 - R520
6 7 +
100/25V(PZ) R515 R517
-
7 + 5
R512 + 470
5 100/25V(PZ)
+ 470 1K
IC320
1K IC319 UPC4570G2
R516 R521 2
UPC4570G2 R518
100K 100K
R513 (1K)
2.7K(0.5%)
AG AG AG Q323
DTC314TK
AG
VR308
EVJY95F03A14(10KA)
6
5
PHONES VOLUME
3
2
4
1
AG
C501 (100P)
R526 33K
2
-
1
R523
3
+
IC321
1K C502
M5216 (0.0047)
3
2 R524 R525 R527
10K (22)
47K
1
Q324 AG AG AG
DTC314TK
C504 (100P)
R532 33K
6
-
7
R529
5
+
IC321
1K C505
M5216
(0.0047)
3
2 R530 R531 R533
10K (22)
47K
+15V +15V +15V 1
Q325 AG AG AG
DTC314TK
D300
Q328
R535 R536 DA119
A1037K
10K 330K 1
R537
3 2
3 2
220K
2 3
1 R538
Q327 C507 C508
1 100K
Q326
DTC114EK 4.7/50V(HW) 470/16V(HW)
DTC114EK
AG AG AG AG
-15V
C513 C523
47/16V(PZ) 47/16V(RA2)
+15V C511 C514 +15V C521 C524 +15V
47/16V(PZ) 47/16V(PZ) 47/16V(RA2) 47/16V(RA2)
C509 C512 C515 C522 C525
47/16V(PZ) 47/16V(PZ) 47/16V(RA2) 47/16V(SME)
2200/16V(ROS)
6
-
AG AG AG
5
+
C518 C528
47/16V(PZ) 47/16V(RA2)
C516 C519 C526 C529 AG
-15V 47/16V(PZ) 47/16V(PZ) -15V 47/16V(RA2) 47/16V(RA2) -15V
C510 C517 C520 C527 C530
2200/16V(ROS)
47/16V(PZ) 47/16V(PZ) 47/16V(RA2) 47/16V(SME)
VS-1680
36 37 38 39 40 41 42
JK309
YKC21-3492
R470
1 MASTER L
470
TYP 0db
3 HEAD +12db
C475
100P
1
AG AG
R476
2 MASTER R
470
3 TYP 0db
3 HEAD +12db
C478
100P
1
AG AG AG
R482
4 AUX 1L
470
TYP 0db
3 HEAD +12db
C481
100P
1
AG AG
R488
5 AUX 1R
470
6 TYP 0db
3 HEAD +12db
C484
100P
1
AG AG AG
R494
7 AUX 2L
470
TYP 0db
3 HEAD +12db
C487
100P
1
AG AG
R500
8 AUX 2R
470
9 TYP 0db
3 HEAD +12db
C490
100P
1
AG AG AG
R511
10 MONITER L
470
TYP 0db
3 HEAD +12db
C495
100P
1
AG AG
R522
11 MONITER R
470
12 TYP 0db
3 HEAD +12db
C500
100P
1
AG AG AG
JK310
LGR4609-7000
R528
22(1/2W)
2
PHONES
3
C503 1
0.022
AG AG AG
R534
22(1/2W)
C506
0.022
AG AG
7
IC322
UPC4570G2
21