Rane NK49, Service Manual

Page: 44 / 72

1
1
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3
3
4
4
5
5
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6
D D
C C
B B
A A
3
200 Scenic View Dr.
Cumberland, RI 02864 7 8/12/2020 Sheet: of
NK49-DAC.SchDoc
NK49-MAIN.PrjPcb
Originally Drawn By:
Project:
Sheet:
Variant: Production
Last Modified By:
Last Modified:
Copyright 2019, inMusic Brands
All Rights Reserved
Rev I
6.6 VP-P
MAIN LEFT 4
+3V3
+5B +8V0
-8V0
0.1uF
50V
C169
0.1uF
50V
C172
GND
2.49K R208 150 R209
3,300pF
50V
C163
680pF
50V C160
2.49K R211 150 R212
680pF
50V
C166
2.49K
R214
2.49K R207
GND
MAIN RIGHT 4
2.49K R217 150 R218
3,300pF
50V
C174
680pF
50V C173
2.49K R220 150 R221
680pF
50V
C175
2.49K
R222
2.49K R215
GND
BOOTH LEFT 4
+8V0
-8V0
0.1uF
50V
C179
0.1uF
50V
C180
GND
2.49K R226 150 R227
3,300pF
50V
C177
680pF
50V C176
2.49K R229 150 R230
680pF
50V
C178
2.49K
R234
2.49K R225
GND
BOOTH RIGHT 4
2.49K R237 150 R238
3,300pF
50V
C183
680pF
50V C181
2.49K R239 150 R240
680pF
50V
C184
2.49K
R241
2.49K R235
GND
PHONES LEFT 4
+8V0
-8V0
0.1uF
50V
C188
0.1uF
50V
C189
GND
2.49K R243 150 R244
3,300pF
50V
C186
680pF
50V C185
2.49K R245 150 R246
680pF
50V
C187
2.49K
R247
2.49K R242
GND
PHONES RIGHT 4
2.49K R252 150 R253
3,300pF
50V
C193
680pF
50V C192
2.49K R255 150 R256
680pF
50V
C194
2.49K
R257
2.49K R250
GND
+5B
GND
+8V0
Vin
3
VOUT
2
4
G
N
D
1
U28 1117S50
10uF
10V
C190
10uF
10V
C191
MCLK_A 2
BCLK_A 2
LRCLK_A 2
MUTE 4
MR
1
PFI
4
V
C
C
2
G
3
RST
7
RST
8 PFO
5
N
C
6
U27
ADM707
10.0K
R251
GND
GND
10.0K
R248
10.0K
R249
10.0K
R254
1
2
3
Q26
2907A
+5B
-8V0
D28
MBRS140T3
100
R210
100
R216
100
R223
100
R228
100
R213
100
R219
100
R224
MCLK_B
BCLK_B
LRCLK_B
DAC_TDM
TP2
RT1051 C1 F1
I2C_SDA 5
I2C_SCL 5
CODEC_RST# 2, 5
CODEC_RST#
SAI3_TX_BCLK 5
SAI3_TX_SYNC 5
SAI3_TX_D0 5
2
3
1
U22A
MC33078
6
5
7
U22B
MC33078
-
4
+
8
U22C
MC33078
2
3
1
U24A
MC33078
6
5
7
U24B
MC33078
-
4
+
8
U24C
MC33078
2
3
1
U26A
MC33078
6
5
7
U26B
MC33078
-
4
+
8
U26C
MC33078
DSDA2
1
DSDB1
2
DSDA1
3
VD
4
GND
5
MCLK
6
LRCK
7
SDIN1
8
SCLK
9
M4(TST)
10
SDIN2
11
M3(TST)
12
SDIN3
13
SDIN4
14
M2(SCL/CCLK)
15
M1(SDA/CDIN)
16
M0(AD0/CS)
17
VLC
18
RST
19
FILT+
20
VQ
21
MUTEC234
22
AOUTB4-
23
24
25
AOUTA4-
26
AOUTB3-
27
28
29
AOUTA3-
30
GND
31
VA
32
AOUTB2-
33
34
35
AOUTA2-
36
AOUTB1-
37
38
39
AOUTA1-
40
MUTEC1
41
DSD_SCLK
42
VLS
43
DSDB4
44
DSDA4
45
DSDB3
46
DSDA3
47
DSDB2
48
U23
CS4385
0.1uF
50V C138
22uF
10V C130
0.1uF
50V C61
22uF
10V C56
0.1uF
50V C62
1uF
16V C126
0.1uF
50V
C135
1uF
16V C145
0.1uF
50V C142
GND GND
VIN
1
VOUT
5
G
N
D
2
VEN
3
NC
4
U36 LP3990 2.5V
1uF
16V
C57
+3V3
GND
MCLK_B
BCLK_B
LRCLK_B
DAC_TDM
GND
GND
GND
GND
GND
+
100uF
16V
C157
0.1uF
50V C156
SAI3_MCLK 5
0.0 R262 0.0 R264
GND
+3V3
0.22uF, 6.3V C197
GND
3
VCC
4
GND
2
OFF
1
X1
22.5792MHz
1uF, 16V C158
DO NOT STUFF
MCLK
OSC_MCLK
4.
75K
R
203
4.
75K
R
205
+3V3
AOUTA1_P
AOUTA1_N
AOUTB1_P
AOUTB1_N
AOUTA2_P
AOUTA2_N
AOUTB2_P
AOUTB2_N
AOUTA3_P
AOUTA3_N
AOUTB3_P
AOUTB3_N
+2V5
CODEC_RST#
47uF
10V
+
C204
GND
D57
MBRS140T3
+3V3