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HT-CN300
AMP. PWB-B3 (1/2)
A
B
C
D
E
F
FW12
1
1
FL_PRIOUT
2
A_GND
FR_PRIOUT
3
4
SR_PRIOUT
5
A_GND
6
SL_PRIOUT
7
CT_PRIOUT
G
A_GND
8
9
SW_PRIOUT
10
A_GND
CNP711
F_RLY
11
12
S_RLY
13
C_RLY
TO
14
W_RLY
DSP PWB
15
-20DBATT
FAN_CONT
16
P23 12 - F
17
THERMO
18
PROTECT
POW_LEVEL
19
19
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
1
PROTECT
FAN_CONT
POW_LEVEL
22K THERMO
R140
100K
R141
100K
C241
R142
0.001
100K
R247
C
2.2K
B
E
R248
100
R246
820
C232
0.001
R235
C
2.2K
B
E
R143
100K
R234
820
C170
100/10
R144
100K
R145
100K
2
3
Figure 14 SCHEMATIC DIAGRAM (1/17)
FM SIGNAL
C263
0.001
R271
C
Q260
2.2K
B
R273
2SC2878 B
22K
E
C264
1/50
R270
R272
(N.P.)
820
100
C254
R261
0.001
22K
R259
C
Q250
2.2K
B
2SC2878 B
E
C255
1/50
R258
(N.P.)
820
TERMINAL PWB-B5
Q240
2SC2878 B
1
2
3
CNP203
4
1
5
6
2
3
7
4
8
5
6
C242
7
1/50
8
(N.P.)
Q230
2SC2878 B
C233
R236
1/50
100
(N.P.)
C219
0.001
R223
C
2.2K
Q220
B
2SC2878 B
R225
E
22K
R224
R222
100
820
C220
1/50
(N.P.)
C210
0.001
R211
C
2.2K
Q210
B
2SC2878 B
E
R213
22K
R212
R210
100
820
C211
1/50
D272
DS1SS133
Q271
D251
DS1SS133
KTC3199 GR
D252
DS1SS133
4
– 14 –
C265
22/35
(N.P.)
R274
1K
8 +INA
R275
270
7 -INA
GNDA
MuteA
VEE
R276
22K
R262
1K
13 +INB
R263
220
12 -INB
GNDB
MuteB
VEE
R264
22K
C256
IC203
22/35
(N.P.)
LM4766T
POWER AMP.
R282
R249
22K
C243
R250
22/35
1K
8 +INA
(N.P.)
R251
220
7 -INA
R252
22K
R238
1K
13 +INB
R239
220
12 -INB
C234
R240
22/35
22K
IC201
LM4766T
POWER AMP.
C221
22/35
(N.P.)
R226
1K
8 +INA
R227
220
7 -INA
GNDA
MuteA
VEE
R228
22K
R214
1K
13 +INB
R215
220
12 -INB
GNDB
MuteB
VEE
R216
22K
C212
22/35
(N.P.)
R290
Q270
KTC3199 GR
C
E
C
B
B
C272
47/50
E
5
OUTA
3
1
OUTB
10K
IC202
LM4766T
POWER
AMP.
OUTA
3
GNDA
MuteA
VEE
1
OUTB
GNDB
MuteB
VEE
R291
10K
OUTA
3
OUTB
1
10K
R168
56K
6
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