Hammond XK-5 Service Manual page 37

CODEC OUT : Differential 8Vp-p max
GAIN 1.0, fc=50kHz
R151 10k
C163 220p
8Vp-p max
10k 4700
R153 R154
2 U13A
C155
TUBE1- R157 47
1
C167 470p
3
TUBE1+
0.22u
R159 R162 NJM4580M
50V
10k 4700 C170
TF R147
R163 220p
10k
AG
R172 10k
C177 220p
10k 4700
R175 R176
6 U14B C166
TUBE2- R178 47
7
C180 470p
5
TUBE2+
0.22u
R182 R183 NJM4580M
50V
10k 4700 C184
TF
R185 220p R160
10k 47k
AG
R139
AG 0
VR1
2 U29A
R334
50kB
1
2 3
47
NJU7032M
12AU7 TUBE BIAS
C157
0.47u
R142
180k
-15V
AG
R319
AG 180k
VR2
6 U29B
R335
50kB 7
2 5
47
NJU7032M
C356
12AX7 TUBE BIAS
0.47u
R320
0
-15V
AG
+13V +12.6V
R358 1
1/2W
+30V +30V_TUBE
+12.6V
R336
100 VCOMAD
C362
C361 R198
220u 1200
C360
22u 6.3V or higer
47u KA-3021SESK / SML-S13DTT68
6.3V
50V
LED1
+12.6V
AG
C363
C377 AG
100u
10u
25V
AG
16V
AG
R333
100
+15V
-15V -15V_TUBE
0.1u
U29C U12C
C364 C194
AG
0.1u
C199
NJM7032M NJM4580M
AG 0.1u AG
-15V -15V
NOT USED
12AU7
R140 V1A
10M
R143
2
0 NOT USED
C159
47k
470p
AG
NOT USED 12AU7
V1B
R155
10M
R158
7
0
TF
NOT USED
50V
C169
470p
AG
R339
0
12AX7
V2A
R316
2.2M
AG
C175
R337 18k
2
R173 47k
0.22u
C158
R177
50V
100u
47k
TF
25V
NOT USED
C181
C355 R180
33u
C354 10u 470p 4700
25V R181
16V 3
1k
NOT USED
-15V_TUBE
12AX7
V2B
R321
C357
2.2M
100u C185
R338 18k
25V 7
R188 47k
0.22u
R190
50V
47k
TF
NOT USED
C189
C359 R191
33u
C358 10u 470p 4700
25V
R193
16V 3
1k
NOT USED
-15V_TUBE
+12.6V
R197
10 1200
FG
KA-3021SESK / SML-S13DTT68
LED2
4 5
+12.6V
AG
V1C
AG
+15V +15V +15V
0.1u 0.1u 0.1u
U13C U14C U15C
C195 C196 C197
C200 C201 C202
NJM4580M NJM4580M NJM4580M
0.1u AG 0.1u AG 0.1u
-15V -15V -15V
+30V_TUBE
30 36Vp-p max
R138
R312
220k
0
C156 C162
0.22u 0.22u
50V 50V
TF TF
15 18Vp-p max
NOT USED
R313
R146
470k 22k
C161
R148 10p
470k
+30V_TUBE
R152 R314
220k
0
C165 C173
0.22u 0.22u
TF
50V
NOT USED
+30V_TUBE
R169 R315
R166
470k 470k 22k
C172
R168 10p
30 36Vp-p max
470k
C176
0.22u
50V NOT USED
TF
R317
15 18Vp-p max
0
C183
R318 R179
1
VR4
470k 22k
0.22u
50kB
50V R184
TF 470k
+30V_TUBE
R187 NOT USED
R322
470k
0
C186 C192
R323 R195
0.22u 470k 22k
0.22u
50V
50V R196
TF
TF 470k
1
VR5
50kB
10
FG
4 5
AG
V2C
Tube & CODEC PreAmp
+15V
0.1u
U16C
C198
C203
NJM4580M
AG 0.1u
-15V
R137 10k
GAIN 0.909
C154 22p
2 U12A
1
AU7_1+
3
NJM4580M
R144 1.4 1.6Vp-p max(single)
C350 0.1u
10k
AG
6 U12B
7
AU7_1-
5
NJM4580M
VCOMAD
C164 0.1u
R156 10k
AG
C168 22p
2 U14A
1
AU7_2+
3
NJM4580M
R164
C351 0.1u
10k
AG
6 U13B
7
AU7_2-
5
NJM4580M
VCOMAD
C178 0.1u
AG
C182
10p
C187
C191
10p
C193
XK-5
MXH-40A 4/7
00230-07231
XK-5
CODEC IN : Differential 2Vrms,5.7Vp-p max
R167 10k
C174 22p
2 U15A
1
AX7_1+
3
NJM4580M
R174
10k
6 U15B
7
AX7_1-
5
NJM4580M
VCOMAD
0.1u
R189 10k
AG
C188 22p
2 U16A
1
AX7_2+
3
NJM4580M
R194
10k
6 U16B
7
AX7_2-
5
NJM4580M
VCOMAD
0.1u
AG
7-20