Lexicon RV-8 Service Manual page 223

8 7
LEFT_PHONO75_IN
[3/C6,4/D8]
D
PHONO 75U INPUT
RIGHT_PHONO75_IN
[3/C6,4/D8]
MIC1_IN
[3/B6,4/C8,6/D8]
MIC INPUT
MIC2_IN
[3/B6,4/C8,6/C8]
L_REC_DACOUT
[8/C7,8/D3]
C
REC_DAC_OUT
R_REC_DACOUT
[8/B7,8/C3]
REC_AD_PHO75_SEL/
[14/C3]
REC_AD_MIC_SEL/
[14/B3]
REC_AD_DAC_SEL/
[14/C3]
B
0dBFS=2.0Vrms
LEFT_REC_IN_HALF
[7/D3]
ADA_SCLK
[4/D5,5/D5,6/D4,8/B6,9/B6,10/C7,11/C7,12/C7,13/C7,14/B5,15/C5]
VC_2
[6/C3]
ADA_VC_SEL/
[4/D5,5/D5,6/C4,8/B7,9/C7,9/B7,14/B5,15/C5]
MAIN_VC_ZCEN
[4/C5,5/C5,6/C4,9/C7,14/B3]
VC_MUTE/
[4/C5,5/C5,6/C4,8/B7,9/C7,9/B7,14/B3]
RIGHT_REC_IN_HALF
[7/D3]
A
8 7
6
+15V +5VD
13 12
DG411
VCC VDD
3 2
S D
1
IN
+5VD
VEE GND +15V
U49
4 5
13 12
-15V VCC VDD
14
S
16
IN
+15V +5VD VEE GND
4 5
13 12
DG411
VCC VDD -15V
6 7
S D
8
IN
+5VD
VEE GND +15V
U51
4 5
13 12
-15V VCC VDD
11
S
9
IN
+15V +5VD VEE GND
4 5
13 12
DG411
VCC VDD -15V
6 7
S D
8
IN
+5VD
VEE GND +15V
U49
4 5
13 12
-15V VCC VDD
11
S
9
IN
VEE GND
4 5
-15V
REC INPUT LEVEL CONTROL
+5VA
C319
RAL
4.7
0dBFS=2.0Vrms
C318 +5VA
C320
R262
.1/25
R263
15 12
PGA2311
10 5.62K
47/16
AGNDL VA+
1%
16 14
AINL AOUTL
+5VR
6 4
SCLK VD+
3 C321 C322
SDIN
.1/25 4.7
R310
2 5 10.0K
CS DGND
1%
1
ZCEN
R311
8 7 VC_3 C352 C374
MUTE SDOUT [8/B7] 10.0K
10/16 .1/25
1%
9 11
AINR AOUTR
AGNDR VA-
U64
10 13
R264
C317
100K
.1/25
RAR
C316
C323
4.7 R265
5.62K
47/16
1%
-5VA
6
5 4
+15V
8
3
MC33078
+ R236
1
2
-
1.00K
U54
R238
4
100K
DG411
-15V
15
D
+15V
U49
8
5 MC33078
+ R239
7
6
- 1.00K
U54
R240
4
100K
-15V
DG411
10
D
U51
DG411
10
D
U49
C375
100PF
R313
2.00K
1%
-7dB
+5VA
0dBFS=0.884Vrms
C349 8
R312
MC33078
6
- R314
7
2.00K
100PF
5
+
1% 51
U77
R279
1/4W
4
2.49K
1% -5VA C400
2200PF
+5VA
8
MC33078
2
- R278
1
3
+ 51
U68
1/4W
4
-5VA
C376
100PF
R316
2.00K
1%
+5VA
C350 8
R315
MC33078
2
- R317
1
2.00K
100PF
3
+
1% 51
U77
R280
1/4W
4
2.49K
C401
1% -5VA
2200PF
+5VA
8
MC33078
6
- R281
7
5
+ 51
U68
1/4W
4
-5VA
5 4
3
LEFT_REC_IN_HALF
[7/B7]
R237
1.00K
1%
RIGHT_REC_IN_HALF
[7/A7]
R241
1.00K
1%
REC A/D CONVERTER
+3.3VD
+5VA
R344
0
C410 C405
4.7 4.7
C411 C406
.1/25 .1/25
PCM1804
22 14 R343
VA VD
*
4 21 NC
AINL+ OVFL
5 NC
20
AINL- OVFR
12
C403
BYPAS
1
VREFL+
R342
C402
4.7
.1/25
2 7
GNDL FMT1
C404 6
FMT0
3
VCOML
C409 8
S_M
.1/25
26
VCOMR
11
C407
OSR2
.1/25
28 10 REC_ADC_192K_EN
VREFR+ OSR1
9 REC_ADC_96K_EN
C408
OSR0
4.7
.1/25
27
R345
GNDR
15 MAIN_I2S_IN4
SDATA
47
25 AINR+ 17 REC_ADC_FS/
LRCK
24
AINR-
16 REC_ADC_FS64/
SCLK
23
AGND
18 REC_ADC_MCKI/
MCLK
13 19 REC_ADC_RST/
DGND RST
U81
3
2 1
REVISIONS
DRAFTER
REV DESCRIPTION
CHECKER
RWH
1 CHANGED PER DCR 021107-00
11/14/02
CBV
11/20/02
RWH
2 CHANGED PER DCR 030407-00
5/21/03
CBV
5/23/03
RWH
3 CHANGED PER DCR 030729-00
9/29/03
CBV
10/6/03
[14/B3]
[14/B3]
[15/A5,15/C6]
[15/C3,15/C5]
[15/B3,15/D5]
[15/B3,15/D4]
CONTRACT
exicon
3 OAK PARK
NO.
[14/B3]
BEDFORD, MA 01730
TITLE
APPROVALS DATE
SCHEM,ANALOG I/O BD,RV8
DRAWN
RWH 8/27/02
REC A/D CONVERTER
CHECKED
SIZE CODE NUMBER
CBV 8/28/02
B 060-15579
Q.C.
CW 8/29/02
FILE NAME
ISSUED
MAG 8/29/02 15579-6 . 7 7
SHEET
2 1
Q.C.
AUTH.
CW
11/20/02
MAG
11/21/02
CW
5/23/03
MAG
5/23/03
CW D
10/7/03
MAG
10/7/03
C
B
A
REV
3
17
OF