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PRIMARE
A34.2
Service Manual
1. Schematics and Pcb.
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:
Primare AB
3V3S
J107B 3V3S
R156
3V3S R166
10K
4k7 D105 D107
R157 R155
TRIGGER IN R165 Q106
2K2 4K7 R169 R170
BAS321 BAS321 D110 10K D112 10K BCV46
2K2
LL4148 LL4148 Mute
J107A R158 R172
DCL
2K2 100R
Q105
TRIGGER OUT BC846BW R173
DCR
C144 D106 D108 R154 D109 D111
100R C151 C152
100nF 510 C132 LL4148 LL4148 3V3S
R159 BAS321 BAS321 3V3S 100uF/10V 100uF/10V
100nF
10R STB
U106 DGND R181
R152 P89LPC935 10K J110
Q108
R160 R153 232GND 10K 1 28 DTC114 D Connector 9
P2.0/ICB/DAC0/DA03 P2.7
10 C130 10 C131 2 27 5
P2.1/OCD/AD02 P2.6
10nF 10nF 3 26 9
ACDET P0.0/CMP2/KBI0/AD01 P0.1/CVI2B/KBI1/AD10
2
4 25 3V3S 4
P1.7 P0.2/CIN2A/KBI2/AD11
5 24 R163 C142 8
P1.6/OCB P0.3/CIN1B/KBI3/AD12
DGND 6 23 C135 330R 1 3 3 10
P1.5/RST P0.4/CIN1A/KBI4/AD13/DAC1 C134
7 22 100U/10V DGND U107 7
DGND VSS P0.5/CMPREF/KBI5 100N
8 21 9 8 1 EMI100p3 2 11
P3.1/XTAL1 VDD R2OUT R2IN 330R
9 20 10 7 6
P3.0/XTAL2/CLKOUT P0.6/CMP1/KBI6 T2IN T2OUT R164 C143
5VS 10 19 DGND 11 6 C137 1
P1.4/INT1 P0.7/T1/KBI7 T1IN V-
11 18 12 5
2
P1.3/INTO/SDA P1.0/TXD 232GND R1OUT C2-
12 17 13 4
P1.2/T0/SCL P1.1/RXD 100R R1IN C2+
R149 13 16 14 3 100N
C133 14 P2.2/MOSI P2.5/SPICLK R162 T1OUT C1-
10K 15 3V3S 15 2 C136 232GND
Q102 1uF P2.3/MISO P2.4/SS GND V+
Q103 16 1
Front Panel R148 BC846B R150 VCC C1+
J113
D104 J106 J111 CON2 C141 C140 SP3232EBEA 100N
R144 BCV46 2K2 6K8 100N C138 C139
2 1 DGND 10U/50V
2
1
100N 100N
1 2 8K2 R179
WHITE LED 3V3S
CON2 DGND 3V3S 232GND
CON2 10K
DGND
+12VD
Q107 L104
2SC2240
10uH
R168 C148
560uF/25V
1K
2
2
J109
C150 C155 U108 +15VA
C145 C146 C147 1
100nF 10uF/50V 100nF LM7812CT AGND L103
Non-balanced 22uF/25V 220uF/25V AGND 2
Balanced 2 Channel Bridged 3 1
GND
+12VA Vout Vin 3
S102 10uH AGND 4
S101
1
3
1
3
C161 C157 5
R105 C156
AGND 22uF/25V 10uF/50V
C159 560uF/25V
2
47R C163 To PSU J703
J101
L 100nF 100nF
R104 AGND
C102
1
1
1
1
20K 100pF C160
K101C K103C K104C K102C C164
1
C162 C158 C149
AGND 100nF 100nF -15VA
XLR3F 22uF/25V 10uF/50V 560uF/25V
R103 D101 D102 L102
GND
20K C103 LL4148 LL4148 3 2
-12VA Vout Vin
4R7
D114 R101 100pF
10
10
10
10
D113 R106 10uH
R175 U109
C167 47R
1SS352 1SS352 10R LM7912CT
10nF
AGND AGND
AGND
AGND
J105
ACDET 1
7
K104B 3V3S 5VS STB 2
8 U105
DGND 3
9 AMS1117-3.3 5VS L101 DGND 4
2 3
3V3S 2 3 5
1
J102A 10uH
RCA2 U101A 4 To PSU J702
R109 K101A R182 C108 C109 C110
L 3 OPA2134 3 C107
1
1K 30K9 10U/50V 100N 100uF/10V
1 2 100N
47R
2
C101 R111
15K
R108 100P
0R
R176 R107
C166 4 DGND
10
10nF K104A 3
R110
R115
1K
2
AGND 1K
AGND AGND AGND 1K R116 J104
2