Kurzweil K2600 Series Service Manual
7-26
Audio Board (keyboard models)–Mix Output, Phones Output (4 of 4)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
J615
1/4" STEREO
1
2
3
4
5
J613
1/4" STEREO
1
2
3
4
5
J614
1/4" STEREO
1
2
3
4
5
J611
SAMPLER
3
GND
5
LMON
4
RMON
2
LOUT
1
ROUT
J612
SLIDER
3
GND1
4
GND2
1
L_HI
2
L_WPR
6
R_H
5
R_WPR
Q5
KSA931
C
B
E
Q7
KSA931
C
B
E
Q4
KSC2331
B
C
E
Q6
KSC2331
B
C
E
D3
S1A (1N4001)
21
Q2
KSA931B
CE
Q3
KSA931B
CE
Q1
MMBT2222A
B
CE
D1
LL4148
21
D2
LL4148
21
NO
NO
NC
NC
RY11
DPDT
1
10
8
3
9
2
7
4
NO
NO
NC
NC
RY10
DPDT
1
10
8
3
9
2
7
4
NO
NO
NC
NC
RY9
DPDT
1
10
8
3
9
2
7
4
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Filename:
Doc:
Mfg:
Eng:
Sht
By:
Date:
of
Rev:
K2600K AUDIO PCB SV2.5
Mix Output, Phones Output
MRL
021212 RDV0
021212D0 9/21/99
04 04
R231
10.0K
12
R232
10.0K
12
R238
4.99K
12
R237
4.99K
12
R224
30.1K
12
R221
30.1K
12
R228
30.1K
12
R227
30.1K
12
R211
470
12
R214
470
12
R215
1K
12
R210
4.7K
12
R226
200 1%
12
R225
200 1%
12
R230
200 1%
12
R229
200 1%
12
R234
10.0K
12
R233
10.0K
12
R239
47 1/2W
12
R240
47 1/2W
12
R235
100
12
R236
100
12
R206
10.0K
12
R212
4.99K
12
R208
4.99K
12
R222
10.0K
12
R223
10.0K
12
R219
10.0K
12
R218
10.0K
12
R217
10.0K
12
R216
10.0K
12
R213
10.0K
12
R207
10.0K
12
R209
10.0K
12
R193
10.0K
12
R204
10.0K
12
R203
10.0K
12
R202
10.0K
12
R195
10.0K
12
R194
10.0K
12
R196
10.0K
12
R201
10.0K
12
R200
10.0K
12
R199
10.0K
12
R198
10.0K
12
R197
10.0K
12
R220
16 1/2W
12
R205
10K
12
C184
0.1uF
12
C185
0.1uF
12
C180
0.1uF
12
C181
0.1uF
12
C176
0.1uF
12
C177
0.1uF
12
C172
0.1uF
12
C173
0.1uF
12
C168
0.1uF
12
C169
0.1uF
12
C164
0.1uF
12
C165
0.1uF
12
C160
0.1uF
12
C161
0.1uF
12
C156
0.1uF
12
C157
0.1uF
12
C136
0.1uF
12
C137
0.1uF
12
C132
0.1uF
12
C133
0.1uF
12
C152
0.1uF
12
C153
0.1uF
12
C148
0.1uF
12
C149
0.1uF
12
C144
0.1uF
12
C145
0.1uF
12
C140
0.1uF
12
C141
0.1uF
12
C186
0.1uF
12
C187
0.1uF
12
C182
0.1uF
12
C183
0.1uF
12
C178
0.1uF
12
C179
0.1uF
12
C174
0.1uF
12
C175
0.1uF
12
C170
0.1uF
12
C171
0.1uF
12
C166
0.1uF
12
C167
0.1uF
12
C162
0.1uF
12
C163
0.1uF
12
C158
0.1uF
12
C159
0.1uF
12
C154
0.1uF
12
C155
0.1uF
12
C134
0.1uF
12
C135
0.1uF
12
C130
0.1uF
12
C131
0.1uF
12
C150
0.1uF
12
C151
0.1uF
12
C146
0.1uF
12
C147
0.1uF
12
C142
0.1uF
12
C143
0.1uF
12
C138
0.1uF
12
C139
0.1uF
12
+
C129
22uF 16V
12
+
-
U34
5532A
5
6
7
+
-
U31
5532A
5
6
7
+
-
U33
5532A
5
6
7
+
-
U32
5532A
5
6
7
+
-
U30
5532A
3
2
1
+
-
U31
5532A
3
2
84
1
+
-
U32
5532A
3
2
84
1
+
-
U34
5532A
3
2
84
1
+
-
U33
5532A
3
2
84
1
+
-
U30
5532A
5
6
84
7
Vcc
Vcc Vcc
+15
Vcc
~15
OUTMUTE {3-B1,C1,D1}
PWRSENSE {1-A1}
UNMUTE {1-A1}
+15
+15
ALEFT {1-A8,3-A1}
~15
BLEFT {1-B8,3-A6}
+15
+15
CLEFT {2-A8,3-C4}
~15
DLEFT {2-B8,3-D1}
~15
+15
~15
OUTMUTE {3-B1,C1,D1} +15
~15
ARIGHT
{1-B8,3-A4}
+15
BRIGHT
{1-C8,3-C1}
+15
CRIGHT
{2-B8,3-C6}
~15
DRIGHT
{2-C8,3-D4}
~15
OUTMUTE {3-B1,C1,D1}
OUTMUTE {3-B1,C1,D1}
MIX RIGHT
MIX LEFT
PHONES
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