Lexicon RV-8 Service Manual page 224

8 7
D
REC_DAC_MCKI/
[15/B3,15/D4]
REC_DAC_RST/
[14/B3]
REC_DAC_FS64/
[15/B3,15/C5]
REC_DAC_I2S_OUT
[15/C3,15/D5]
REC_DAC_FS/
[15/C3,15/C5]
REC_DAC_LATCH
[14/B3]
ADA_SDATA_OUT
[4/D5,10/C7,11/C7,12/C7,13/C7,14/B5,15/A5,15/C5]
C
L_REC_DACOUT
[7/C8,8/D3]
R126
100K
ADA_SCLK
[4/D5,5/D5,6/D4,7/B7,9/B6,10/C7,11/C7,12/C7,13/C7,14/B5,15/C5]
VC_3
[7/A6]
ADA_VC_SEL/
[4/D5,5/D5,6/C4,7/A7,9/C7,9/B7,14/B5,15/C5]
B
REC_VC_ZCEN
[14/B3]
VC_MUTE/
[4/C5,5/C5,6/C4,7/A7,9/C7,9/B7,14/B3]
R_REC_DACOUT
[7/C8,8/C3]
A
ZONE_MUTE_RLY/
[14/B3]
8 7
6
+5VD
+5VA +5VR
FB15
C277 C273 C270
4.7 4.7 330/6.3
C276 C272 C271
.1/25 .1/25 .1/25
AK4395
2 18
VD+ VA+
3 17
MCLK VREFH
4 23
PD AOUTL+
5 22
BICK AOUTL-
6 28 NC
SDATA DZFR
7 27
LRCK CAD1
8 26 NC
CS DZFL
9 25
CAD0 P/S
10 24
CCLK VCOM
11 21
CDTI AOUTR+
12 20
DIF0 AOUTR-
13 19 C275
DIF1 AGND
14 16
DIF2 VREFL
4.7
1 15
C274
DGND BGND
U58
.1/25
+15V
+5VA
8
C113
3 MC33078 C117
R125
+
1
2
4.7
- 1.00K
10/25
U32
C114
4
R124
1.00K
.1/25
-15V
1%
15 12 PGA2311
AGNDL VA+
16 14
AINL AOUTL
6 4
SCLK VD+
C116
3
SDIN
.1/25
2 5
CS DGND
1
ZCEN
8 7
MUTE SDOUT
9 11
+15V
AINR AOUTR
AGNDR VA-
8
U22
10 13
5
MC33078 C118
R128
+
C111
7
6
- 1.00K
10/25
U32
R129 .1/25
4
C112
100K R127
1.00K
-15V
1%
4.7
-5VA
6
5 4
REC D/A CONVERSION
+6.7dB
+15V
0dBFS=1.98Vrms 0dBFS=4.3Vrms
R213 R210 8
3 MC33078
+
1
316 33
R211
2
1% -
U52
681
C231
C229 4
1%
1500PF L_REC_DAC
8200PF [9/D4]
-15V
C230
R212 R209
LEFT_REC_IN
[1/C3,3/C3]
316 33
1500PF
R208
1%
681
REC_DACOUT_SEL/
1% [14/C7,14/C3]
REC_DIRECT_SEL/
[14/C6]
+15V
8
R215 R218
5 MC33078
+
7
316 33
R219
6
1% -
U52
681
C235
4
C236 1%
1500PF
8200PF
R_REC_DAC
[9/C4]
-15V
C234
R214 R217
316 33
1500PF
R216
1%
681
1%
RIGHT_REC_IN
[2/C3,3/B3]
REC OUTPUT
LEVEL CONTROL
+5VA
+15V
R112
10.0K
1%
8
3 MC33078 C63
+
1
2
-
47/25 6
U13
C86
R19
4
C115
10K
8
4.7
R85 R84 18PF
-15V
+5VD
11
4.02K 4.02K
+15V
9
1% 1%
VC_4
[9/C7]
1
8 +
5
MC33078 C64
+
7
16
6 D25
-
U13 47/25
C89 -
R113 R20 1N4002
4
100K 10K
18PF
R87 R86
-15V
4.02K 4.02K
1% 1%
6
C65
8
11
47/25 +5VD
R24
9
10K
1
+
C66
16
47/25
-
R25
10K
ZONE_RLY_CNTL
R81
2N4401
1.2K
Q1
5 4
3
+5VD
+15V
13 12
DG411
VCC VDD
3 2 L_REC_DACOUT
S D [7/C8,8/C7]
1
IN
VEE GND
U43
4 5
-15V
+5VD
+15V
13 12
DG411
VCC VDD
6 7
S D
8
IN
VEE GND
U43
4 5
-15V
+15V +5VD
13 12
DG411
VCC VDD
14 15 R_REC_DACOUT
S D [7/C8,8/B7]
16
IN
VEE GND
U43
4 5
-15V
+5VD
+15V
13 12
DG411
VCC VDD
11 10
S D
9
IN
VEE GND
U43
4 5
-15V
R18
L_REC_AMP
[15/B8,16/B8]
120
R22
R_REC_AMP
[15/A8,16/B8]
120
0dBFS=4Vrms
RELAY
J1
FB1
4
R17
1
ZONE2 LEFT
330
RCA OUT VAR
1/4W C1 3
13
150PF
J1
FB2
R21
2
ZONE2 RIGHT
RY1
330
RCA OUT VAR
1/4W C2 3
150PF
0dBFS=4Vrms
RELAY
J2
FB3
4 R23
1
ZONE2 LEFT
330
RCA OUT FIX
1/4W C3 3
13
150PF
J2
FB4
R26
2
ZONE2 RIGHT
RY2
330
RCA
OUT FIX
1/4W C4 3
[9/A7]
150PF
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
REC DAC & OUT LEVELS
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 . 8 8 17
SHEET OF
2 1