Circuit Diagram (Analog 3/4) - Roland VS-2400CD Service Notes

Jan.2003

CIRCUIT DIAGRAM (ANALOG 3/4)

fig.analog3-c
+48V
Q37 R246 Q39 R247
2SA1587GR 47k(RR) 2SC4081 100k(RR)
3 2
R252 C218
100k(RR) 10/50
1
+ 15
C222
R253 R254 R255
6.8k(1/4W) 6.8k(1/4W) A 0.1
JK20
2.2k(RR)
10 C229
22/50(PZ) C233
1
120p(ECHU) Q41
3 1
2SC4117GR
2
C232 R267
10(RR)
R280
NC3FAV2-0 22/50(PZ) R269 C238 (47k(RR)) C239
100k(RR) 120p(ECHU) (120p)
R271
100k(RR) 470/16
JK22 C241 R281
2 10k(RR)
4
22/50(PZ) R279
7 - 15
47k(RR)
3 A
1 R287
100k(RR) R297
JY6353 10(RR)
A C244
C249 R288 120p(ECHU)
22/50(PZ) 100k(RR)
+48V
Q45 R301 Q46 R302
2SA1587GR 47k(RR) 2SC4081 100k(RR)
3 2
R303 C261
100k(RR) 10/50 1
+ 15
C263
R304 R305 R306
6.8k(1/4W) A 0.1
JK23
6.8k(1/4W) 2.2k(RR)
C269 R310
10
100k(RR) C272
22/50(PZ)
1
120p(ECHU)
3 1 Q47
2SC4117GR
2
R319
NC3FAV2-0 C277 (47k(RR)) C278
R312 120p(ECHU) (120p)
100k(RR) 470/16
JK24
2 R320
10k(RR)
4
7
R318 - 15
3
1 R323 47k(RR) A
100k(RR) C281
JY6353
120p(ECHU)
A
C284 R324
22/50(PZ) 100k(RR)
C291
22/50(PZ)
R332
100k(RR)
R334
A
100k(RR)
C294
22/50(PZ)
+ 15
DA1
DA204U
2 1
GUITAR
+ 15
- 15
Q51
C299 2SK880GR A
R344
JK26 0.1(ECHU)
2 3
4
10k(RR)
7
3
1 C303
R346 C301
100p(ECHU)
1M(RR) R347 22/50(PZ) R348
NYS-234
10k(RR) 10k(RR)
A A A - 15 A
PH7
+ 15 + 15
IC20B
NE5532
R256
C223
6
-
47/25(PZ) 7
2.2k(RR) 5 C226
+
(100p)
Q42
1
2SC4117GR R268
C234 4.7k(RR)
(100p)
VR7
R274
C235 R272 C236 39k(RR)
50kRD
3 1 2
-
1
12(RR) R273 47/16(PZ)
3
VREF2 +
R282 1.2k(RR) IC22A
82k(RR) UPC4570G
+ 15
R289
10k(RR) C246
0.1
- 15 A
-
IC22C
UPC4570G
+
C258
0.1
A
PH8
- 15
+ 15 + 15
IC20A
NE5532
R307
C264 2
-
47/25(PZ) 1
2.2k(RR) C268
3
+
(100p)
Q48 1
2SC4117GR R309
C273 4.7k(RR)
(100p)
VR8
R315
C274 R313 C275 39k(RR)
50kRD
3 1 6
-
7
12(RR) R314 47/16(PZ)
5
VREF2 +
R321 1.2k(RR) IC24B
82k(RR) UPC4570G
+ 15
R325
10k(RR) C282
- 15 0.1 A
-
IC20C IC24C
NE5532 UPC4570G
+
C289
0.1 A
- 15
2 IC26A
-
+ 5
A
1
3
+
SW1A
SPPH430100 R341 UPC4570G2_2
13 12 33k(RR)
11
R342
10(RR)
R343 C297
SW1B 47k(RR) 100/6.3(RA)
SPPH430100
23 22 A A
21
R345
10(RR)
CS
XRESET
CDTI
CCLK
MCLK
LRCK
BICK
R262
C230 330(RR)
(100p)
R270 C231
10k(RR) 1500p(ECHU)
AD4
R277
DA4
C237 10k(RR)
R278
6
-
7
IC23
47/16(PZ)
5
VREF2 +
IC22B 330(RR)
5 25
AINL- AOUTL-
UPC4570G 4 26
AINL+ AOUTL+
+ 5
A
27
AOUTR-
8 28
VA AOUTR+
23
VD
C323 R290 22
VT
47/16(PZ) 14
SDTI
10(RR)
6 13
VREF SDTO
A 1 12
VCOM BICK
11
LRCK
C255 C257 10
MCLK
C252 0.1 C256 0.1 7 16
AGND CCLK
10/6.3(T) 10/6.3(T)
24 15
DGND CDTI
18
DFS
19
PDN
C253 C254 A 17
CSN/DIF + 5
0.1 10/6.3(T) A
9
P/S
3 20
AINR- DEM0
2 21
AINR+ DEM1
AK4528VF
A
R308
C270 330(RR)
(100p)
R311 C271
10k(RR) 1500p(ECHU)
R316
10k(RR)
C276
R317
2
-
1
47/16(PZ) 3
+
VREF2
IC24A 330(RR)
UPC4570G
+ 15
C283
+ 15
0.1 A
C285
100/16
-
+
A C288
C290 100/16
0.1 A - 15
- 15
6 IC26B
-
7
VREF1 VREF2
5
+
UPC4570G2_2
+ 15
C298
0.1
A
-
IC26C
UPC4570G2_2
+
C305
0.1
A
- 15
R248
8.2k(RR)
R251
6.2k(RR) C220
100p(ECHU)
C221 C219
(2200p(ECHU)) 220p(ECHU) R258 R259
C224
R263 R257 10k(RR) 10k(RR)
2
-
6.2k(RR)
1
3
+
IC19A 470(RR) 100/50(PZ)
C228
UPC4570G2_1 6
-
R264 C227
7
8.2k(RR) 220p(ECHU)
5
+
IC19B 100/50(PZ)
A UPC4570G2_1
A A
R283
8.2k(RR)
R286
6.2k(RR) C243
100p(ECHU)
C245 C242
(2200p(ECHU)) 220p(ECHU) R292 R293
C247
R296 6 R291 10k(RR) 10k(RR)
-
6.2k(RR) 7
5
+
IC21B 470(RR) 100/50(PZ)
C251
UPC4570G2_2
2
-
R298 C250 1
8.2k(RR) 220p(ECHU) 3
+
IC21A 100/50(PZ)
UPC4570G2_2
A
A A
+ 15
C259
0.1 A
IC19C
-
UPC4570G2_1
+
C266
0.1 A
- 15
C280
100/50(PZ)
R327
1k(RR)
VR9A
12
EVJY90FA3A14
R329
2.2k(RR)
1
A
Q49
2SC4213A
C293
100/50(PZ)
R336
1k(RR)
VR9B 22
EVJY90FA3A14
R338
2.2k(RR)
1
A
Q50
2SC4213A
VR9C
EVJY90FA3A14
10 20
A
ANALOG BOARD 3/4
VS-2400CD
MUT
R244 R245
150(1/4W) 150(1/4W)
R249 Q38
2.2k JK19
C217
R250
1 2
100k(RR) 22p
4
2SC4213A
3
1
R260 Q40
2.2k 2SC4213A
C225
R261 LGR4609-7100
1
100k(RR) 22p
R265 R266
150(1/4W) 150(1/4W)
A
R275 R276
150(1/4W) 150(1/4W)
R284 Q43
2.2k JK21
C240
R285
1 2
100k(RR) 22p 4
2SC4213A 3
1
R294 Q44
2.2k 2SC4213A
C248
1 R295 LGR4609-7100
100k(RR) 22p
R299 R300
150(1/4W) 150(1/4W)
A
+ 15
C260
+ 15
0.1 A
C262
IC21C 100/16
-
UPC4570G2_2
+
A C265
C267 100/16
0.1 A - 15
- 15
MUT
C279
100p(ECHU)
R322 27k(RR)
IC25A R326
R330 2 NE5532AN 22(1/2W)
-
47k(RR) 1
3
+
R328 C286
(22(1/4W)) 0.022(ECHU)
PHONE
R331
10k(RR)
JK25
2
C287 4
(4700p(ECHU)) 3
1
A LGR4609-7100
C292
100p(ECHU)
R333 27k(RR)
IC25B R335
R339 NE5532AN 22(1/2W)
6
-
47k(RR) 7
5
+
R337
(22(1/4W)) C295
R340 0.022(ECHU)
10k(RR)
C296
(4700p(ECHU))
A
+ 15
C300
+ 15
0.1
A
IC25C C302
NE5532AN 100/16
-
+
A
C304
C306 100/16
0.1 A - 15
- 15
59