Lexicon RV-8 Service Manual page 220

8 7
LEFT_MAIN_IN
[1/D3,3/D3]
RIGHT_MAIN_IN
[2/D3,3/D3]
+15V
D
13
VCC
LEFT_PHONO75_IN 3
[3/C6,7/D8] S
1
IN
VEE
PHONO 75U INPUT
4
-15V
RIGHT_PHONO75_IN
[3/C6,7/D8]
+15V
13
VCC
MIC1_IN 6
[3/B6,6/D8,7/D8] S
8
IN
VEE
MIC INPUT
4
-15V
MIC2_IN
[3/B6,6/C8,7/C8]
C
MAIN_PHONO75_SEL/
[14/D3]
MAIN_MIC_SEL/
[14/D3]
0dBFS=2.0Vrms
B
C344
R274
LEFT_MAIN_IN_LVL
[4/D2,10/D5]
5.62K
47/16
1%
+5VR
R334
10.0K
1%
R335
C367 C389
10.0K
10/16 .1/25
1%
A
C347
R277
RIGHT_MAIN_IN_LVL
[4/C2,10/B5]
5.62K
47/16
1%
8 7
6
+15V
8
3 MC33078
+
1
2
-
R256 U57
+5VD
4
100K
-15V
12
DG411
VDD
2
D
GND +15V +5VD
U50
5
13 12
DG411
VCC VDD
[5/D5,6/D4,7/B7,8/B6,9/B6,10/C7,11/C7,12/C7,13/C7,14/B5,15/C5]
14 15
S D
16
IN [8/C7,10/C7,11/C7,12/C7,13/C7,14/B5,15/A5,15/C5]
+5VD
VEE GND
[5/D5,6/C4,7/A7,8/B7,9/C7,9/B7,14/B5,15/C5]
U50
4 5
12
DG411
VDD -15V
[5/C5,6/C4,7/A7,8/B7,9/C7,9/B7,14/B3]
7
D
+5VD
GND +15V
U50
+15V
5
13 12
DG411
VCC VDD 8
11 10 5 MC33078
S D +
9 7
IN
6
-
VEE GND R258 U57
4
U50 100K
4 5
-15V
-15V
C390
100PF
R337
2.00K
1%
-7dB
+5VA
0dBFS=0.884Vrms
C363
R336 8
MC33078
6
R338
-
7
2.00K
100PF
5
1% + 51
R291 U80
1/4W
4
2.49K
1% -5VA C436
2200PF
+5VA
8
MC33078
2
- R290
1
3
+ 51
U71
C439
1/4W
4
-5VA
C391
C440
100PF
R340
.1/25
C443
2.00K
1%
+5VA
C365
R339 8
MC33078
2
- R341
1
2.00K
100PF
3
1% + 51
R292 U80
1/4W
4
2.49K
C437
1% -5VA
2200PF
+5VA
8
MC33078
6
- R293
7
5
+ 51
U71
1/4W
4
-5VA
6
5 4
0dBFS=2.0Vrms
MAIN INPUT LEVEL CONTROL
R254
+5VA
1.00K
R255
C343
1.00K
1%
4.7
C342
.1/25
15 12 PGA2311
AGNDL VA+
16 14
AINL AOUTL
6
ADA_SCLK 4
SCLK VD+
3
ADA_SDATA_OUT
SDIN
ADA_VC_SEL/ 2 5
CS DGND
MAIN_VC_ZCEN 1
[5/C5,6/C4,7/A7,9/C7,14/B3] ZCEN
VC_MUTE/ 8 7
MUTE SDOUT
9 11
AINR AOUTR
AGNDR VA-
U67
10 13
C341
R257
.1/25
1.00K
C340
R259
1.00K
4.7
1%
-5VA
MAIN A/D CONVERTER
+5VA +3.3VD
R356
0
C446 C441
4.7 4.7
C447 C442
.1/25 .1/25
PCM1804
R355
22 14
VA VD
*
4 21 NC
AINL+ OVFL
5 20 NC
AINL- OVFR
12
BYPAS
1
VREFL+
C438 R354
4.7
.1/25
2 7
GNDL FMT1
6
FMT0
3
VCOML
8
C445
S_M
26
VCOMR
11
OSR2
.1/25
28 10 MAIN_ADC_192K_EN
VREFR+ OSR1
9 MAIN_ADC_96K_EN
C444 OSR0
4.7
.1/25
27
R357
GNDR
15 MAIN_I2S_IN1
SDATA
47
25 AINR+ 17 MAIN_FS/
LRCK
24
AINR-
16 MAIN_FS64/
SCLK
23
AGND
18 MAIN_ADC_MCKI
MCLK
13 19 MAIN_ADC_RST/
DGND RST
U84
5 4
3
+5VA
MAL
R275
10
LEFT_MAIN_IN_LVL
[4/B8,10/D5]
C345 C346
.1/25 4.7
MAR
VC_0
[5/D5]
RIGHT_MAIN_IN_LVL
[4/A8,10/B5]
R276
100K
[5/B4,6/A4,14/B3]
[5/B4,6/A4,14/B3]
[15/B5,15/D6]
[5/A4,6/A4,10/C7,11/C7,12/C7,13/C7,15/C3,15/C5]
[5/A4,6/A4,10/C7,11/D7,12/D7,13/D7,15/B3,15/D5]
[15/D3]
[5/A4,6/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
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 & MAIN A/D CONVERTER
CHECKED
SIZE CODE NUMBER REV
CBV 8/28/02
B 060-15579
3
Q.C.
CW 8/29/02
FILE NAME
ISSUED
MAG 8/29/02 15579-6 4 . 4 17
SHEET OF
2 1