JVC KS-FX230 Schematic
Block diagram
6
5
KS-FX230
4
3
2
1
BC
DE
F
G
HA
I
2-1
Standard schematic diagrams
Main amp. section
6
5
4
3
2
J1
CJ701
CP702
R774
1.5K
C772
R773
2.2/50
1K
C773
0.001
Q772
Q771
D712
D718
R719
3.3K
3.3K
R718
3.3K
R720
100
R717
100
R716
100
R715
D711
D704
MTZ6.2JCT-77
MTZ6.2JCT-77
LCD.SCK
C708
D705
D706
D707
D708
D709
0.015
MTZ6.2JCT-77
MTZ6.2JCT-77
MTZ6.2JCT-77
MTZ6.2JCT-77
MTZ6.2JCT-77
TAPE.14V
TAPEEND
LCD.SO
LCD.CE
KEY2
KEY1
KEY0
DETACH
TAPE.L
TAPE.R
MS.OUT
DOLBY
FF/REW
MOTOR
MODE
STDBY
TAPEIN
SUBMOSUBMO+
KICK
R771
R772
10K
C771
220/10
5V
10V
14V
R5V
F/R
9V
1K
1K
10K
47K
R764
C702
22P
C701
27P
VCX5026-001
EO
FM.OSC
AM.OSC
47K
R726
IF.C
KEY0
KEY1
C703
100/6.3
C704
0.22
KS-FX230
D990
Q972
C972
220/16
R756
100
10K
R759
R760
HD74HC126P
IC751
100330K
R751
R755
1K
47K
R753
R754
CD.RCH
TAPE.L
TAPE.R
C705
10/16
TAPE.14V
MEM.DET
R5V
5V
TUNER_9V
9V
Q783
14V
Q784
R786
R785
1K
ACC
Q989
C988
47/16
R757
47K
R758
47K
100
14V
CD.LCH
TU.LCH
TU.RCH
L782
47K
C132
C232
1/50
R63
20K
R541
D541
R545
C543
56K
0.47/50
47uH
C785
33/10
Q785
R790
2.7K
Q786
1/50
47/16
C934
ACC
MUTE
SCK
C150
1/50
C250
R164
100
R264
100
14V
1/50
1/50
C260
10
Q782
IC781
BA3918-V1
CJ921
C709
0.047
IC981
R151
RRO
LRO
SDA
SCL
1/50
3.3K
R721
C160
R722
3.3K
C932
0.01
C931
100/10
47K
R783
1K
R784
Q781
0.01
D785
C985
L981
C707
0.01
27K
470P
C162
R161
27K
R261
27K
470P
R251
27K
R988
10K
R989
100
R987
C981
2200/16
D981
1N5401TM
QQR0528-001
2.4K
C984
10/16
R152
82K
C152
470P
R162
82K
R262
82K
C262
C252
470P
R252
82K
LRO+
C986
10/16
C983
0.01
C971
4.7/25
C982
0.01
C951
4.7/25
RRO-
ACC
RFO+
RRO+
LRO+
LFO+
RFORROLROLFO-
HA13158
LRO-
LFO-
LFO+
MUTE
CD SIGNAL
FM/TUNER SIGNAL
AM SIGNAL
TAPE PB/MAIN SIGNAL (Front)
TAPE PB/MAIN SIGNAL (Rear)
D974
4.7K
R951
47K
R971
R972
Q971
470
RFO+
RRO+
RFO-
QNZ0002-001
CP981
R163
LRO
R131
22K
C134
TEA6320T
C234
R231
22K
C541
1/50
R542
22K
R795
R796
RRO
0.0082
0.0082
R543
R546
R133
47K
820
R165
2.2K
Q161
R265
2.2K
Q261
R263
820
SI/SO
CD.RCH
CD.LCH
R132
C138
0.0056
C137
0.15
C135
0.22
0.033
C136
C236
0.033
0.22
C237
0.15
C235
R232
R233
150K
10K
C783
2.2k 2.2k
12K
180K
150K
2200/6.3
C238
0.0056
R931
C784
220/10
D781
C781
C987
D784
10/16
10/16
D710
D161
D261
SCK
SI/SO
R54
20K
R53
7.5K
C133
1/50
IC931
1/50
C233
C933
100/10
R64
7.5K
C542
0.047
Q541
D542
100
R547
1K
R544
22/16
C544
Q987
10K
Q988
R990
6.8
R787
L781
47uH
Q789
R788
100K470K
R789
KS-FX230
QAU0058-001
TU1
L1
4.7uH
R1
10
1K
R2
1K
R3
D1
D2
R6
2.2K
FF/REW
PCNT5V
KICK
Q1Q3
R4
10K
D791
10K
1K
R5
R787
IFREQ
MONO
ACC
BAND
D701
D714
D715
6.8
TUNER_9V
EO
Q2
4.7K
D792
D771
R17
0.1/50
C6
*
0.01
C11
TAPEIN
C7
*
R14
R15
STDBY
1.5M
3.3M
TAPEEND
MODE
8.2K
0.1/50
100K
C8
R10
R11
R61
R51
*
*
1/50
1/50
Q5
S.METER
MONO
IC701
MS.OUT
F/R
SD/ST
C231
C131
R52
*
TU.RCH
TU.LCH
SDA
SCL
LCD.SO
LCD.CE
LCD.SCK
4.7K
47K
R724
R711
BUS.INT
BAND
DETACH
MUTE
0.01
C751
C706
5V
4.7K
3.3K
4.7K
IC790
C793 C792
0.1 0.33
R761
R763
R752
R762
1K
X701
D716
3.3K
3.3K
R714
R713
BUS.INT
BUS.SCK
R62
*
BUS.I/O
BUS.SO
BUS.SI
BUS.SO
BUS.SI
BUS.SCK
MUTE
MEM.DET
10V
S.METER
0.01
R710
R712
R709
KEY2
KIA7810PI
BUS.I/O
100
10/16
0.1/50
10/16
0.022
C1
C3
C2
14V
R727
47K
R725
R708
R702
R703
R704
R705
R706
R707
10K
C5
C4
R8
R9
IFREQ
FM.OSC
SD/ST
47K
47K
47K
47K
47K
47K
47K
47K
SUBMO+
SUBMO-
MOTOR
1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
BC
DE
F
G
HA
I
2-2
Loading...