KS-FX490
2-2
A
B
C
D
1
3
4
5
Standard schematic diagrams
Main amp section
To
Head amp
section
CN401
To
LCD & Key
control
section
CN601
TU1
J1
S701
IC701
R33
C708
Q31
Q32
C34
R32
R31
R34
Q1
Q2
Q3
IC161
C92
C82
R91
R81
R739
C177
C167
R703
R710
CP401
IC801
R711
R728
R712
R713
R726
C701
R714
R724
C704
L1
R730
R725
R717
C703
D753
X701
R744
D701
RESET
R727
R729
R735
R736
R741
R702
R731
R743
R742
C712
R758
R751
R746
R22
C710
R24
C33
R718
R26
GND
X1
Vpp
CN701
RX
TX
Vdd
D1
D2
C1
C2
C4
R810
C81
C91
C9
R35
C32
C31
C35
D31
R4
R2
R1
R3
R5
R7
C8
R8
R9
Q4
C6
R36
D32
R82
R92
C10
D4
C162
C163
D3
C172
C173
C195
C196
C174
C164
C175
C165
R171
R161
R172
R162
C178
C168
C714
C176
C166
R708
R709
R6
S703
S702
C713
R704
R705
R706
R707
R807
R808
R805
R806
R804
R723
R719
R720
R721
R13
R755
R754
R756
R732
R733
R734
Q5
C707
C706
R752
R757
R21
R753
R23
Q701
C13
R25
QAU0281-001
QNB0100-002
QSQ1A11-V06Z
UPD178078GF-618
1k
0.22
2SC2412K/R/-X
0.001
1k
1k
10k
2SB709A/R/-X
2SB624/4/-X
UN2211-X
TEA6320T-X
1/50
1/50
2.7k
2.7k
10k
0.033
0.033
47k
47k
QGB1214J1-18S
HD74HC126FP-X
56k
47K
4.7k
4.7k
10K
0.047
4.7k
0.1
4.7k
0
27p
4.7uH
47K
47k
47k
22p
SLR-56MC3F
QAX0406-001Z
100
UDZS6.2B-X
47k
47K
10k
10k
47k
47k
47K
47k
47k
0.1
100K
0
47k
0
100/10
0
2.2/50
68K
0
QNZ0007-002
1SS355-X
1SS355-X
10/16
10/16
0.022
100k
0.033
0.033
0.1/50
1.5k
0.1/50
0.1/50
220/10
UDZS9.1B-X
2.2k
10k
10
10k
1k
10k
120p
8.2k
22k
UN2211-X
0.01
470
1SS355-X
4.3k
4.3k
0.001
1SS355-X
1/50
1/50
1SS355-X
1/50
1/50
47/16
100/10
0.0082
0.0082
0.18
0.18
22k
22k
2.2k
2.2k
0.1
0.22
0.22
3.3k
3.3k
100
QSW0451-001
QSW0451-001
0.22
4.7k
4.7k
4.7k
4.7k
100
22k
330k
100k
330k
10k
10k
10k
10k
10K
10k
47k
47k
4.7k
4.7k
4.7k
UN2211-X
0.1
0.1
0
47K
0
510
0
2SC2412K/R/-X
220/10
6.8
S.METER
SEEK
IFC
MOTOR
E.DATA
E.CLK
FMOSC
TU.L
TU.R
CH.L
TAPE.L
CH.R
TAPE.R
CH.R
A.GND
PC
PCNT14V
PCNT14V
JOG0
EO
JBUS.INT
JOG1
A.GND
Vdd5V
IFC.CONT
A.GND
LCDCE
JOG0
Vdd5V
MEMORY
FF/REW
F/R
DOLBY
MS
REEL
TAPE.R
A.GND
TAPE.L
PCNT14V
9V
SUBMO-
SUBMO+
MODE
TAPEIN
10V
KEY0
REMOCON
LCDDA
KEY2
LCDCL
KEY1
JBUS.SO
JBUS.INT
JBUS.SCK
JBUS.IO
ILL10V
ACC5V
STDBY
CH.L
JOG1
SEEK
EO
SUBMO+
SUBMO-
PCNT14V
FMOSC
FF/REW
FM/AM
TU.R
IFC
SD/ST
MONO
TU.L
JBUS.IO
STDBY
TAPEIN
JBUS.SI
JBUS.SO
JBUS.SCK
REEL
MODE
LCDCE
MS
DOLBY
MOTOR
FMVCC
F/R
KEY2
REMOCON
MONO
SD/ST
LCDCL
LCDDA
IFC.CONT
KEY1
KEY0
FM/AM
AMVCC
9V
PCNT5V
S.METER
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