Arcam Preamp Processor AV8 User Manual
Page 99
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
Drawn by:
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\Change_Control\ECO_WIP\02_E143 L921 add 2 jumper links\L921_1.2.ddb - Documents\L921C5_1.2_outs1.sch
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
L921CT - AV8 audio Main, Zone 2 and Phones outputs
Circuit Diagram
L921C5
AD/subcon
16-Jul-2002
INITIALS
Date Printed
5
9
Sheet
of
Notes:
8
2
3
6
4
1
7
5
IC509
LM4880
TO PHONES JACK
+
C535
10U EL
0V_SIG
0V_SIG
3
2
1
IC502A
OPA2134PA SM
5
6
7
IC502B
OPA2134PA SM
-15V_MUTE_MAIN
+
C505
10U EL
+15V_MUTE_MAIN
+5VS
OUT MAIN L
OUT MAIN R
MAIN DCA IN L
MAIN DCA IN R
+15V
0V_SIG
+5VS
MAIN FRONT
ZONE 2
HEADPHONES
100mW 20-30 ohms
MAIN DCA /CS
DCA SDATA
DCA SCLK
DCA XMUTE
MAIN TO PHONES
ZONE 2 TO PHONES
MAIN L
MAIN R
ZONE 2 L
ZONE 2 R
MAIN OUT L
MAIN OUT R
-15V
+15V
0V_SIG
0V_SIG
+5V
0V_SIG
3
2
1
IC505A
OPA2134PA SM
5
6
7
IC505B
OPA2134PA SM
-15V_MUTE_MAIN
+
C518
10U EL
+15V_MUTE_MAIN
+5VS
OUT Z2 L
OUT Z2 R
ZONE 2 DCA IN L
ZONE 2 DCA IN R
ZONE 2 DCA /CS
DCA SDATA
DCA SCLK
DCA XMUTE
ZONE2 OUT L
ZONE2 OUT R
-15V
+15V
0V_SIG
PHONES OUT L
PHONES OUT R
MAIN OUTS ENABLE
ZONE 2 OUTS ENABLE
+5V FOR OUTPUT
ENABLE ANALOGUE
SWITCHES ONLY
PHONES L
PHONES R
C502
100P NPO 0805
C509
100P NPO 0805
C515
100P NPO 0805
C522
100P NPO 0805
R502
47R 0805
R504
47R 0805
R507
47R 0805
R509
47R 0805
R503
47K 0805
R505
47K 0805
R508
47K 0805
R510
47K 0805
R511
15K 0805
R512
15K 0805
R517
15K 0805
R518
15K 0805
R525
2R2 0805
R513
100K 0805
R519
100K 0805
R514
10K 0805
R520
10K 0805
R515
47K 0805
R521
47K 0805
R516
4R7 W2 CF
R522
4R7 W2 CF
R526
3K3 0805
C506
100N 0805
C504
100N 0805
C519
100N 0805
C517
100N 0805
C510
100N 0805
C512
100N 0805
C523
100N 0805
C538
100N 0805
C511
1N 0805
C513
1N 0805
C524
1N 0805
C526
1N 0805
8
4
IC502C
OPA2134PA SM
8
4
IC505C
OPA2134PA SM
C537
100N 0805
C525
100N 0805
C501
33P NPO 0805
C508
33P NPO 0805
C514
33P NPO 0805
C521
33P NPO 0805
C530
33P NPO 0805
C533
33P NPO 0805
2
15
7
10
3
14
6
11
1
9
16
8
VL
12
V+
13
V-
4
GND
5
IC503
DG413
2
15
7
10
3
14
6
11
1
9
16
8
VL
12
V+
13
V-
4
GND
5
IC506
DG413
1Y0
12
1Z
14
2Z
15
1S
11
2Y1
1
3Y0
5
2Y0
2
3Z
4
INH
6
3S
9
2S
10
3Y1
3
1Y1
13
IC508A
74HCT4053 SM
1Y0
12
1Z
14
2Z
15
1S
11
2Y1
1
3Y0
5
2Y0
2
3Z
4
INH
6
3S
9
2S
10
3Y1
3
1Y1
13
IC507A
74HCT4053 SM
0V_SIG
-5V
+5V
C527
100N 0805
C528
100N 0805
VDD
16
GND
8
VEE
7
IC507B
74HCT4053 SM
0V_SIG
-5V
+5V
VDD
16
GND
8
VEE
7
IC508B
74HCT4053 SM
0V_SIG
0V_SIG
0V_SIG
0V_SIG
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
D502
BAV99W DUAL SM
D503
BAV99W DUAL SM
D504
BAV99W DUAL SM
D505
BAV99W DUAL SM
PHONOUTL
PHONOUTR
MAINOUTL
MAINOUTR
Z2OUTL
Z2OUTR
+
C529
1U0 EL
+
C532
1U0 EL
+
C531
220U EL
+
C534
220U EL
+
C536
470U EL 25V
D501
5V1 400MW
R528
1M 0805
R527
1M 0805
R529
1M 0805
R530
1M 0805
Text
MJT
29/01/02
Production release
1.1
C507
100U NP
C520
100U NP
C539
100U NP
C540
100U NP
ZCEN
1
CS
2
SDI
3
VD+
4
DGND
5
SCLK
6
SDO
7
MUTE
8
VINR
9
AGNDR
10
VOUTR
11
VA+
12
VA-
13
VOUTL
14
AGNDL
15
VINL
16
IC501
PGA2310UA
R501
10K 0805
R524
10K 0805
R506
10K 0805
R523
10K 0805
+5V
C541
100N 0805
0V_SIG
0V_SIG
+
C503
10U EL
-15V
+15V
-15V
+15V
0V_SIG
0V_SIG
0V_SIG
0V_SIG
+5V
ZCEN
1
CS
2
SDI
3
VD+
4
DGND
5
SCLK
6
SDO
7
MUTE
8
VINR
9
AGNDR
10
VOUTR
11
VA+
12
VA-
13
VOUTL
14
AGNDL
15
VINL
16
IC504
PGA2310UA
R531
10K 0805
R534
10K 0805
R532
10K 0805
R533
10K 0805
0V_SIG
0V_SIG
0V_SIG
0V_SIG
+5V
C542
100N 0805
0V_SIG
+
C516
10U EL
0V_SIG
+5V
R535
10K 0805
0V_SIG
R536
10K 0805
0V_SIG
D506
BAS16W SM
D507
BAS16W SM
+15V
-15V
0V_SIG
+15V_MUTE_MAIN
-15V_MUTE_MAIN
+
C543
10U EL 50V
R537
100N 0805
R538
100N 0805
02_E028
WAF
16/7/02
2 JUMPER LINKS ADDED ACROS SK928 & SK929
1.2
02_E143