Lexicon RV-8 Service Manual page 222

8 7
LEFT_SIDE_IN
[1/A3]
D
RIGHT_SIDE_IN
[2/A3]
+5VD
+15V
13 12
DG411
VCC VDD
MIC1_IN 3 2
[3/B6,4/C8,7/D8] S D
1
IN
VEE GND
U51
4 5
MIC INPUT -15V
+5VD
+15V
13 12
DG411
VCC VDD
MIC2_IN 14 15
[3/B6,4/C8,7/C8] S D
16
IN
VEE GND
SIDE_MIC_SEL/
[14/C3] U51
4 5
C -15V
B
C336
R270
LEFT_SIDE_IN_LVL
[6/D2,12/D5]
5.62K
47/16
1%
+5VR
R326
10.0K
1%
R327
C362 C384
10.0K
10/16 .1/25
1%
A
C339
R273
RIGHT_SIDE_IN_LVL
[6/C2,12/B5]
5.62K
47/16
1%
8 7
6
+15V
8
3
MC33078
+ R248
1
2
-
909
U56
1%
R250 R249
4
100K 1.00K
1%
-15V
+15V
8
5
MC33078
R251
+
7
6
- 909
U56
R252 1%
R253
4
100K 1.00K
1%
-15V
C385
100PF
R329
2.00K
1%
-7dB
+5VA
0dBFS=0.884Vrms
C359 8
R328
MC33078
6
- R330
7
2.00K
100PF
5
+
1% 51
U79
R287
1/4W
4
2.49K
1% -5VA
0dBFS=2.0Vrms
+5VA
8
MC33078
2
- R286
1
3
+
51
U70
1/4W
4
-5VA
C386
100PF
R332
2.00K
1%
+5VA
C360 8
R331
MC33078
2
- R333
1
2.00K
100PF
3
+
1% 51
U79
R288
1/4W
4
2.49K
1% -5VA
+5VA
8
MC33078
6
- R289
7
5
+
51
U70
1/4W
4
-5VA
6
5 4
SIDE INPUT LEVEL CONTROL
0dBFS=2.0Vrms
ADA_SCLK
[4/D5,5/D5,7/B7,8/B6,9/B6,10/C7,11/C7,12/C7,13/C7,14/B5,15/C5]
VC_1
[5/C4]
ADA_VC_SEL/
[4/D5,5/D5,7/A7,8/B7,9/C7,9/B7,14/B5,15/C5]
MAIN_VC_ZCEN
[4/C5,5/C5,7/A7,9/C7,14/B3]
VC_MUTE/
[4/C5,5/C5,7/A7,8/B7,9/C7,9/B7,14/B3]
SIDE A/D CONVERTER
+3.3VD
+5VA
R352
0
C434 C429
4.7 4.7
C435 C430
.1/25 .1/25
C424
2200PF
PCM1804
22 14 R351
VA VD
*
4 21 NC
AINL+ OVFL
5 20 NC
AINL- OVFR
12
C427
BYPAS
1
VREFL+
R350
C426
4.7
.1/25
2 7
GNDL FMT1
C428 6
FMT0
3
VCOML
C433 8
S_M
.1/25
26
VCOMR
C431 11
OSR2
.1/25
28 10 MAIN_ADC_192K_EN
VREFR+ OSR1
9 MAIN_ADC_96K_EN
C432 OSR0
4.7
.1/25
27
R353
GNDR
15 MAIN_I2S_IN3
SDATA
47
25 AINR+ 17 MAIN_FS/
LRCK
24
AINR-
16 MAIN_FS64/
SCLK
23
AGND
18 SIDE_ADC_MCKI
C425 MCLK
2200PF
13 19 MAIN_ADC_RST/
DGND RST
U83
5 4
3
RIGHT_SIDE_IN_HALF
[9/C7]
LEFT_SIDE_IN_HALF
[9/D7]
+5VA
C335
4.7
C334
+5VA
.1/25
SAL
15 12
PGA2311 R271
10
AGNDL VA+
16 14 LEFT_SIDE_IN_LVL
AINL AOUTL [6/B8,12/D5]
6 4
SCLK VD+
3 C337 C338
SDIN
.1/25 4.7
2 5
CS DGND
1 SAR
ZCEN
8 7 VC_2
MUTE SDOUT [7/B7]
9 11 RIGHT_SIDE_IN_LVL
AINR AOUTR [6/A8,12/B5]
AGNDR VA-
U66 R272
10 13
100K
C333
.1/25
C332
4.7
-5VA
[4/A4,5/B4,14/B3]
[4/A4,5/B4,14/B3]
[15/A5,15/D6]
[4/A4,5/A4,10/C7,11/C7,12/C7,13/C7,15/C3,15/C5]
[4/A4,5/A4,10/C7,11/D7,12/D7,13/D7,15/B3,15/D5]
[15/D3]
[4/A4,5/A4,14/B3]
3
2 1
REVISIONS
DRAFTER Q.C.
REV DESCRIPTION
CHECKER AUTH.
RWH CW
1 CHANGED PER DCR 021107-00
11/14/02 11/20/02
CBV MAG
11/20/02 11/21/02
RWH CW
2 CHANGED PER DCR 030407-00
5/21/03 5/23/03
CBV MAG
5/23/03 5/23/03
RWH CW D
3 CHANGED PER DCR 030729-00
9/29/03 10/7/03
CBV MAG
10/6/03 10/7/03
RWH ECM
4 CHANGED PER DCR 031125-00
1/14/04 1/30/04
CBV MAG
1/30/04 2/2/04
C
B
A
CONTRACT
exicon
3 OAK PARK
NO.
BEDFORD, MA 01730
TITLE
APPROVALS DATE
SCHEM,ANALOG I/O BD,RV8
DRAWN
RWH 8/27/02
INPUTS & SIDE A/D CONVERTER
CHECKED
SIZE CODE NUMBER REV
CBV 8/28/02
B 060-15579
4
Q.C.
CW 8/29/02
FILE NAME
ISSUED
MAG 8/29/02 15579-6 6 . 6 17
SHEET OF
2 1