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CHANNEL 2 OUTPUT
J302
Channel 2 Amplifier
PCB # 550-102 Front End PCB
1.33k 1k 976 49.9 D301 1N914 C302 .047uF R302 12.1k 1N914 2SA1479 R304 32.4 R306 750 D303 1N914 + 10k C303 47uF 16V 2SC3381 .1uF C304 47uF 16V + 10k Q302 MPS8099 100V R309 100 R311 .39 5W R313 .39 5W 1N914 2SA1479 56pF Q304 TIP102 Q306 TIP102
Channel 1 Amplifier
PCB # 550-102 Front End PCB
1.33k 1k 976 49.9 D351 1N914 C352 .047uF R352 12.1k 100V Q352 MPS8099 Q354 TIP102 Q356 TIP102
SCREW TERMINAL + 27V J303
SCREW TERMINAL
R359 100
R354 32.4
R356 750 D353 1N914
56pF
R361 .39 5W
R363 .39 5W
+
C353 47uF 16V
CHANNEL 1 OUTPUT
J351 SCREW TERMINAL
2SC3381
10k 56pF NPO 75 75
MPSA92
Q301 MPSA14
R307 3.32k
D304 IN914 R312 .39 5W R310 100 C306 .1uF Mylar R314 .39 5W R315 5.1 1/2W
10k 56pF NPO 75 75
MPSA92
.1uF
Q351 MPSA14
C354 47uF 16V
+
R357 3.32k
D354 IN914 R362 .39 5W R360 100 C356 .1uF Mylar Q355 TIP107 Q357 TIP107 R364 .39 5W R365 5.1 1/2W J352
56pF 2SC3789 C301 100uF 16V R301 1k 464 1.33k 49.9 R303 19.1k Q303 +
R305 32.4
56pF 2SC3789 C351 100uF 16V R351 1k 464 1.33k 49.9 R353 19.1k Q353 + 1.33k 1k 75 75 56pF 2SC3789 C451 100uF 16V R451 1k 464 1.33k 49.9 R453 19.1k Q453 +
150k MPSA18
R308 750
R355 32.4
150k MPSA18
R358 750
SCREW TERMINAL
MPS8599 C305 .047uF 100V
MPS8599 C355 .047uF 100V
+ 22uF 16V
15k
+ Q305 TIP107 Q307 TIP107 22uF 16V
15k
D302 1N914
D352 1N914
J301
7 6 5 4 3 2 1
- 27V
CHANNEL 4 OUTPUT
J401
Channel 4 Amplifier
PCB # 550-102 Front End PCB
1.33k 1k 976 49.9 D401 1N914 C402 .047uF R402 12.1k 1N914 2SA1479 56pF + 10k C403 47uF 16V 2SC3381 .1uF C404 47uF 16V 10k R404 32.4 R406 750 D403 1N914 Q402 MPS8099 100V R409 100 R411 .39 5W R413 .39 5W 1N914 2SA1479 56pF Q404 TIP102 Q406 TIP102
Channel 3 Amplifier
PCB # 550-102 Front End PCB
976 49.9 D451 1N914 C452 .047uF R452 12.1k Q452 MPS8099 100V R459 100 R454 32.4 R456 750 D453 1N914 + C453 47uF 16V R461 .39 5W R463 .39 5W Q454 TIP102 Q456 TIP102
SCREW TERMINAL
+ 27V
J402
SCREW TERMINAL
CHANNEL 3 OUTPUT
J451 SCREW TERMINAL
2SC3381
10k 56pF 75 75
MPSA92
Q401 MPSA14
+
R407 3.32k
D404 IN914 R412 .39 5W R410 100 C406 .1uF Mylar R414 .39 5W R415 5.1 1/2W
10k 56pF NPO
MPSA92
.1uF
Q451 MPSA14
C454 47uF 16V
+
R457 3.32k
D454 IN914 R462 .39 5W R460 100 C456 .1uF Mylar Q455 TIP107 Q457 TIP107 R464 .39 5W R465 5.1 1/2W J452
56pF 2SC3789 C401 100uF 16V R401 1k 464 1.33k 49.9 R403 19.1k Q403 +
R405 32.4
150k MPSA18
R408 750
R455 32.4
150k MPSA18
R458 750
SCREW TERMINAL
MPS8599 C405 .047uF 100V
MPS8599 C455 .047uF 100V
+ 22uF 16V
15k
+ Q405 TIP107 Q407 TIP107 22uF 16V
15k
D402 1N914
D452 1N914
- 27V + 27V FE Mute Control Line
PC 1
Page 1 Battery Ground
- 27V
PC 5
Page 1 - 27V
PC 2
Page 1 from R901
PC 4
Page 1 +27V
PC 6
Page 1 to D957
PC 3
Page 1 from Q956
Soundstream Technologies
120 Blue Ravine Road, Folsom, CA 95630
Title
DaVinci Main PCB, Amplifiers 1 trough 4
Size Date: Document Number Rev
PCB # 540-736
Wednesday, January 12, 2000 Sheet 4 of 6
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