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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

D