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HCD-FX300i
5-7.
SCHEMATIC DIAGRAM - MAIN Section (1/2) -
1
2
3
A
B
J350
PHONES
C
D
POWER-TR BOARD
SPEAKERS
Q940
Q915, 940
2SB1565E
+7V REGULATOR
10.5
7.3
E
Q915
ISA1235AC1TP-1EF
CN905
10
10
7.3
3P
1
EMITTER
R957
R915
9.4
2
COLLECTOR
10k
10k
3
BASE
K
F
PANEL
BOARD
(2/2)
(Page 25)
J
G
BD73/BD73U
BOARD
W101
(Page 17)
REG BOARD
CN903
3P
1
EMITTER
Q930, 934
Q930
REGULATOR
2
COLLECTOR
2SB1565E
21.3
15.2
3
BASE
H
Q934
ISA1235AC1TP-1EF
20.6
20.6
15.2
R947
R948
20
10k
10k
PT
D
BOARD
CN001
I
(Page 27)
J
K
HCD-FX300i
• See page 28 for IC Block Diagrams.
4
5
6
7
MAIN BOARD (1/2)
IC B/D
IC350
POWER AMP
IC350
13
12
11
10
9
LA4631-E
C154
1000
16V
R156
330
C254
R155
1000
220
16V
R255
220
C155
C255
R256
C353
0.01
0.01
330
2200p
R260
R262
R162
R160
470
470
470
470
C160
C260
C257
C157
0.01
0.01
0.1
0.1
J351
C256
C156
0.1
0.1
L
-
+
R259
R159
10
10
-
R
+
CN902
3P
EMITTER
1
COLLECTOR
2
R935
BASE
3
4.7k
Q931
2SC3052EF-T1-LEF
9.4
CN913
4.7
2P
DACGND
1
Q932
DACGND
2
Q931, 932
4.2
ISA1235AC1TP-1EF
+7V REGULATOR
3.6
R932
5.1k
0
CN914
2P
R931
R942
R934
47
0
4.7k
DACGND
1
DACGND
2
CN904
3P
R900
10k
EMITTER
1
COLLECTOR
2
BASE
3
Q909
2SC3052EF-T1-LEF
0.1
MAIN POWER
ON/OFF CONTROL
CN901
R158
6P
68k
0.7
R938
100k
VSTBY
1
SUB_GND
2
D906
RELAY
3
RL202-B322-1
VHAC1
4
D905
VM
5
RL202-B322-1
D903
VHAC2
6
1N5401-C352
C904
R161
1000
10k
D902
50V
1N5401-C352
ET900
C903
C901
2200
0.1
25V
(CHASSIS)
C902
0.1
8
9
10
11
8
7
6
5
4
3
2
1
C150
1000p
C158
1
R151
R150
50V
22k
22k
C152
C250
1
IC901
1000p
C252
50V
1
50V
+9V REGULATOR
R251
R250
22k
22k
KIA7809API-U/PF
C352
0.1
15.2
I
1
C350
C906
100
0.1
16V
R153
C351
R253
8.2k
Q903
4.7
8.2k
2SC3052EF-T1-LEF
50V
Q902
0.7
C258
ISA1235AC1TP-1EF
15.2
1
R901
0
50V
10k
14.5
R902
47k
15.2
Q902, 903
STANDBY SWITCH
R936
4.7k
D930
DA2J10100L
C930
C914
R937
1
470
10k
10V
R920
R918
1.5k
2.2k
R258
R914
68k
1k
Q910
2SC3052EF-T1-LEF
REGULATOR
20
9
Q150
Q250
3.3
3.3
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
8.4
0
0
C159
R261
C259
C915
C910
D914
R916
22
10k
22
0.1
10
DZ2J09100L
2.2k
25V
25V
50V
Q150, 250
OVER LOAD DETECT
20
20
12
13
14
IC901
D913
DZ2J12000L
9.1
O
2
G
C907
C908
R933
3
1
220
4.7k
10V
R928
1k
D907
1N4002-A2
D910
DZ2J09100L
D931
DZ2J20000L
R930
1k
R919
10k
R944
1k
D920
DA2J10100L
Q960
2SC3052EF-T1-LEF
OVER VOLTAGE
R927
DETECT
3.3
1k
0
R917
C355
R921
R940
C940
2.2k
2200
6.8k
10k
10
25V
50V
15
16
17
RDS_RDDA
TUNER_SD_OUT
TU_R
TU_L
JC990
JW911
0
TU_AGND
1
+9V
TUNER_DO
MAIN
BOARD
(2/2)
EMCGND
(Page
TUNER_CE
21)
TUNER_CL
TUNER_DI
RDS_POWER_SW
RDS_RDCL
(AEP)
CN911
23P
1
AMP_R
2
AGND
3
AMP_L
4
AMP_ON
5
TU_L
6
+9V
7
TU_R
8
PROTECT
9
MGND
10
MGND
F
11
+7V
12
+7V
PANEL
BOARD
13
DGND
(2/2)
14
VSTBY
CN801
(Page
15
TUNED
25)
16
TU_DO
17
TU_CLK
18
TU_CE
19
TU_DI
20
POWER_ON
21
RDS_DATA
22
RDS_CLK
23
RDS_POWER
(US, CND, AUS)
CN912
21P
1
AMP_R
2
AGND
3
AMP_L
4
AMP_ON
5
TU_L
6
+9V
7
TU_R
8
PROTECT
9
MGND
G
10
MGND
11
+7V
PANEL
BOARD
12
+7V
(2/2)
CN802
13
DGND
14
VSTBY
(Page
15
TUNED
25)
16
TU_DO
17
TU_CLK
18
TU_CE
19
TU_DI
20
POWER_ON
21
RDS_DATA
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