Text preview for : Primare-A30.2 pwramp.pdf part of Primare A30.2 power amplifier



Back to : Primare-A30.2 pwramp.pdf | Home

1

2

3

4

5

6

7

8

- CONFIDENTIAL R46 15K 1U D Z102 -18VL 30V R114 5K6 C105 R113 330k D119 R159 15K C106 1U R112 330k R163 4R7 R134 R136 120K 1M R135 +18VL 1M +18VL U103 3 R137 1M C109 R108 330R 470N Q116 Q117 Q106 2V7 2SC5200 2SC5200 D103 1N4148 C108 470N D106 R138 56K R128 2.2R 2.2R R127 R129 0.22R R105 2K2 R111 1K 2SC3420 Q101 C102 100N R130 0.22R R132 0.22R R131 0.22R K101 BC846 D101 PMLL4148 1 R126.8R R1251.8R L101 25XØ7.8-1.1MM R115 4.7R 2W P101 PIN R139 1K2 3W Q113 2SA1943 2SA1943 PIN PIN BC856 Q108 D115 C123 D114 D113 -48VL 100K C139 1U 2SA1837 -56VL R109 330R C103 100N D105 STANDBY 1N4148 D117 P102 PIN PIN JP103 6 5 4 3 2 1 HEADER 6 D112 D111 C121 D116 C111 C113 -56VL BDY17D D110 D118 C122 C110 C112 C117 3.3U/50V +56VL REG102 S104 200MA C120 R141 15K C115 220U/80V C135 220U/80V C116 3.3U/50V R140 15K 6 2 R133 150K 741C -18VL R164 4R7 C127 nc C114 220U/80V A C125 nc S103 200MA D122 1N4148 R160 15K C132 100N nc C133 100N R162 15K R16115K R69 15K R70 15K BDY17D 3 Vin Vout REG101 C134 220U/80V LM317T 2 +48VL R142 402R D108 BDY17D C118 3.3U/50V R156 2k4 10u 16V C131 R158 220R D107 4 3 2 1 2k4 R155 1 2 3 4 C130 10u 16V R45 15K REG103 Vin Vout Vout Adj n.c. Vout Vout n.c. 8 7 6 5 R157 220R REG104 Adj Vin Vin Vout n.c. Vin Vin n.c. 5 6 7 8 C128 10u 16V -15VL C137 100N +15VL 10u 16V C129 D

4

U101 2 6 3 C136 100N 741C

C124 nc D120

LM317LM

7

Z101

C126

+18VL 30V R124 1K5 R144 1K6 +48VL R121 R119 390R Q107 BC856 J101 1 2 3 XLR NC3FAH 1 2 3 R148 4.3K JP107 C R149 4.3K 3 2 -15VL R147 1K 3 C107 1N5 2SK117GR R118 100R 3 S107A 2 R168 1K SW DPDT JP105 JUMPER2 1 Q102 BC546B 2SC4793 R102 R165 R101 100K100K R166 100N Q111 R107 330R 2K2 +15VL U102 OPA134UA 6 Q109 1 2 R116 1K8 100K 100K C101 R123 CW Q112 2SA1837 10K R104 D102 PMLL4148 R110 JP102 HEADER 2 68R R120 33k C104 470P R106 330R C138 1U Q105 BC846 2SC4793 Q110 +56VL D104 D121

4

7

S107B SW DPDT J102 1 2 HEADER 2 JP1

LM337LM

5

4

R151 11K

R153 2.7K

7

4

1 2

R150 11K R152 JP109 2.7K

8 7 6 5

NO1 N02 C1 C2 NC1 NC2 COIL COIL

1

1 Relay power 8A/24V

ADJ

100R

6

R154

100R Trim

ADJ

R143 402R Vout 2

D109 BDY17D C119 3.3U/50V -48VL

C

3

Vin

LM337T

Q114

Q115

R122 220R R400 11K R401 2K7

Q103 BC846

R117 R167 Q104 100R BC846

R103 100K

1 2 3 4

NET EM1121B1.SCH

R72 15K R7115K R13 330k -18VR 30V B R402 100R R403 4K3 JP5 Z1 JUMPER2 30V R24 S7B SW DPDT 1K5 R44 1K6 +48VR R21 R19 390R Q7 BC856 J1 1 2 3 XLR NC3FAH 1 2 3 R48 4.3K R49 4.3K 3 2 -15VR R47 1K 3 C7 1N5 2SK117GR R18 100R 2 3 R68 1K S7A 1 SW DPDT Q2 BC546B 2SC4793 R2 R65 R1 100K100K R66 100N Q11 R7 330R BC856 Q8 R9 330R 2SA1943 Q13 D14 D13 -48VR 100K C39 1U 2SA1837 -56VR Size A2 Date: File: 1 2 3 4 5 6 7 Number 2SA1943 R39 1K2 3W 2K2 +15VR U2 OPA134UA 6 Q9 1 2 R16 1K8 100K 100K C1 R23 CW 2SC3420 Q1 Q14 Q15 Q12 2SA1837 10K R5 2K2 R11 1K C2 100N R30 0.22R R32 0.22R R4 D2 PMLL4148 JP2 HEADER 2 2SC5200 2SC5200 Q6 2V7 68R R20 33k C4 470P R6 330R C38 1U Q5 BC846 2SC4793 +56VR Q10 R37 1M C9 R8 330R 470N Q16 Q17 D3 1N4148 C8 470N D6 R38 56K R28 2.2R R27 2.2R R29 0.22R R31 0.22R K1 BC846 D1 PMLL4148 R261.8R R25 1.8R L1 25XØ7.8-1.1MM R15 4.7R 2W P1 PIN PIN PIN D15 C23 Title C3 100N D5 STANDBY S4 200MA C20 D17 P2 PIN PIN JP3 6 5 4 3 2 1 HEADER 6 D12 D11 C21 D16 C11 C13 -56VR BDY17D D18 C22 C10 C12 3 C17 3.3U/50V +56VR R41 15K C15 220U/80V C35 220U/80V C16 3.3U/50V D4 1N4148 R14 5K6 6 3 C36 100N 741C D19 R59 15K C6 1U 2 R12 330k R63 4R7 R34 R36 120K 1M R35 +18VR 1M +18VR 741C 6 B R64 4R7 C25 S3 200MA D22 C27 D20 C26 D21 C32 100N nc C33 100N R6215K R6115K nc R73 15K R74 15K BDY17D 3 Vin Vout REG1 C34 220U/80V LM317T 2 +48VR R42 402R D8 BDY17D R40 15K C18 3.3U/50V 2k4 R55 C30 10u 16V R60 15K REG3 1 2 3 4 Vin Vout Vout Adj n.c. Vout Vout n.c. R57 220R REG4 R56 2k4 10u 16V C31 R58 220R D7 4 3 2 1 Adj Vin Vin Vout n.c. Vin Vin n.c. 5 6 7 8 C28 10u 16V -15VR C37 100N 8 7 6 5 +15VR 10u 16V C29 B

1U Z2

C5

4

U1

C24

nc

LM317LM

7
+18VR

1 2 3

4

JP7

7

J2 1 2 HEADER 2

6

R51 11K

R53 2.7K

4

R33 150K

-18VR

nc

C14 220U/80V

7

1N4148

R10

4

1 2

R50 11K R52 JP9 JUMPER3 A 1 2 3 1 2 3 2.7K

8 7 6 5

NO1 N02 C1 C2 NC1 NC2 COIL COIL

1

1

ADJ

100R

5

R54

1 2 3

U3 3 2

LM337LM

Relay power 8A/24V

100R Trim

ADJ

R43 402R Vout 2

D9 BDY17D C19 3.3U/50V -48VR A

Vin

REG2 D10 LM337T

R22 220R

Q3 BC846

R17 R67 Q4 100R BC846

R3 100K

1 2 3 4

POWER-AMP
Revision

EM1121
19-Feb-2001 Sheet of E:\PRIMARE\A30-2\SCH\EM1121A1.SCHDrawn By: 8 1/2 BN

1

2

3

4

5

6

P301 1 2 HEADER 2 D311 PMLL4148 D312 PMLL4148 JP304 5 3 2 1 R325 R327 10K 47K 5 3 2 1 K301 4 3 2 1 COIL COIL NC1 NC2 C1 C2 NO1 N02 RELAY DPDT3 P304 2 1 HEADER 2 C304 1NF C307 3300/6.3V 5 6 7 8 C305 1NF 100NF R309 VDR275 C303 R310 470K D313 PMLL4148 R345 100k Q311 BC856B R308 NTC 7R R307 NTC 7R D305 R344 1N5404 D304 S301 3.15A 1N5404 C306 3300/6.3V S302 3.15A P303 1 2 HEADER 2 P302 2 1 HEADER 2 R331 47K D307 C T301 S303 1 3.15A 4 5 3 JP307 D308 BDY17D Q307 BC856B 1 2 3 4 REG301 Vin Vout Vout Adj n.c. Vout Vout n.c. 8 7 6 5 R329 390R NC +9V BDY17D D310 BC846B R332 1R R315 100K 3 2 +9V 100k R446 1k R305 47K R304 47K R312 47K R319 NC C BC846B R302 100K D303 6.2V C301 10U/16V D302 1N4148 R311 BC856B R301 1M D301 1N4148 22K BC846B Q301 Q304 HEADER 2 HEADER 2 JP301 JP305 R303 100K Q302 R324 390R R323 390R JP308 +SW D STANDBY

D

3.5MM-JACK JP303

2 1

3.5MM-JACK

220U/35V

JP306

BDY17D D309 BDY17D

LM317LM R330 100K R339 100K

C309 10U/16V R340

2

6

C302

R328 2k2

Q306 TRANSF33X28 R313 47K R318 487R U301 741C 6 JP302 2 1

B +SW R343 100k R314 47K Q303 BC846B

R316 100K

4

7

2 1

HEADER 2 R317 C308 3MEG

B

D306 8 7 Q310 BC846B 6 5 R342 4 3 A 100K Q308 BC846B

100N

2 KB2855 A

1 R341 B 100k Title Q309 BC846B A

STANDBY
Number

Size B Date: File: 1 2 3 4 5

EM1121

Revision

19-Feb-2001 Sheet of E:\PRIMARE\A30-2\SCH\EM1121B1.SCH Drawn By: 6

2/2 BN

IDLE CURRENT ADJUSTMENT

1:

Connect the voltmeter to JP2 ( JP102) ADJUST R23 ( R123 ) TO 20mV

2.

After the power has been on for 60 min readjust R23 (R123)

3.

Remove the voltmeter.

Instructions apply to the Right channel. Instructions given in brackets apply to the Left channel.

TECHNICAL SPECIFICATIONS
Output power per channel Output impedance DC offset Frequency response Signal to noise A-weighted THD+noise 120W/8 ohm,200W/4 ohm (1X400W) 0.03 ohm <5mV <10HZ-100KHZ -3db 100 dB <0.08%

Standby

<3.5W

DIMENSIONS (WXDXH) Weight

430X385X100 MM 16Kg