Text preview for : Primare_A31.2_Power_Amplifier_sm.pdf part of PRIMARE Primare A31.2 Power Amplifier sm . Rare and Ancient Equipment PRIMARE A31.2 Primare_A31.2_Power_Amplifier_sm.pdf
Back to : Primare_A31.2_Power_Ampli | Home
PRIMARE
A31.2 Power Amplifier
Service Manual
Downloaded from www.Manualslib.com manuals search engine
1. Schematics and Pcb.
2. Technical Specifications.
Confidential !
This document is not allowed to show for third part without written permission
from Primare Systems AB.
This document is subject to change without notice.
Author:
Bjorn Holmqvist
Primare AB
Downloaded from www.Manualslib.com manuals search engine
1 2 3 4 5 6 7 8
- CONFIDENTIAL -
R46 15K
1U C105
R113 R45 15K
Z102 D119 REG103
D 330k R159 15K D
1 8
-18VL Vin n.c.
2 7
Vout Vout +15VL
4
30V C106 C143 3 6
U101 1U C124 nc R160 15K 10U/50V Vout Vout
4 5
Adj n.c. 22U/50V
2
R114 6 D120 2k4 LM317LM
3 R112 C132 C130 R157 C141
5K6 R155 C129
100N 100N/50V
330k 10U/50V 220R
C136 741C R163 C126
5 S107B Z101 100N 4R7 nc REG104
7
C133 10U/50V 4 C128
4 100N R156 5
+18VL Adj n.c.
6 SW DPDT 2k4 3 6
R134 R135 D121 R162 15K C131 Vin Vin C142
30V 2 7
+18VL Vin Vin 22U/50V 100N/50V
1M 1M 1 8
R124 R144 R136 R161 15K C144 Vout n.c.
R154 C125 nc R158 220R
7
1K4 6K8 1N4148 120K LM337LM
D104 +18VL
U103 R69 15K -15VL
100R 2SC4793 5AQ S402 S103 D107
3 A 200MA
+48VL +56VL D122 R70 15K 10U/50V
J102 6 REG101
R121 C138 C04 Q110 R137 D103 BDY17D
2 3 2
1 C104 1U 22P Vin Vout
2 R119 1M +48VL
ADJ
R180 R151 R153 S107A 68R 470P Q105 1N4148 R133 741C R164 C127 nc C114 C134 LM317T
430R C108 -18VL 220U/80V
HEADER 2 13k 11K 2.7K SW DPDT C109 150K 4R7 R142 D108 C118
4
3 Q107 R120 R106 R108 470N 470N 220U/80V C145 100N/100V 402R 22U/50V C146
1 33k 330R 100N/100V
330R
1
BC856 Q116 Q117 C115 C135
2 2K2 D106 BDY17D
R149 R138 220U/80V
7
J101 2SC2750 S104
+15VL U102 Q106 C116
1 4.3K JP102 56K D105 STANDBY 200MA R140
1 R104 2V7 220U/80V
2 3 OPA134UA HEADER 2 15K
2 D102 2SC5200 2SC5200
6 R128 2.2R C120
3 2 PMLL4148 1N4148 10U/50V
3 R182 Q109
1
2
100R R181 R147
R148 Q112 R1272.2R D117 10U/50V
XLR NC3FAH 47K 1K 1 R110 R141
-15VL R129 R131 BC846 C117
4.3K 2SA1837 15K
4
R126 .8R
1 C110 C112
8
7
6
5
3 2 10K 0.22R 0.22R K101 D101 P102
R150 R116 PMLL4148 +56VL
D118
Relay power 8A/24V
R1251.8R PIN
1
11K 2SK117GR 680R R105 JP103 C122 R183 C147
NC2
COIL COIL
N02
C2
R165 100K R111 C102
2
+15VL -15VL C107 C101 2K2
100N PIN 10K/2W 100N/100V R143 D109
R152 470P 100K 100K L101 6 D112 BDY17D C119 C148
R123 402R
ADJ
R118 R102 1K 5
C CW R130 R132 25X