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MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD GRUNDPLATTE - SCHEMA DELLA PIASTRA PRINCIPALE - ESQUEMA DE LA PLATINA PRINCIPAL
(TUNER PART)
75 Ohm
MAIN
KST-F401
JK001
1
2
3
4
1/10W
15K
50V
C002
R003
TP01
22nF
220R
1/10W
C000
TP02
SVC001
R045
31
30
29
28
27
26
10K
1
25
1/10W
6
5
4
6
4
2
24
3
1
23
3
L3
AM_OSC
4
1
2
2
3
22
L1
5
21
6
20
KSNT-403ML
7
19
1
6
4
L2
L4
2
8
18
3
9
17
50V
6
10
16
1
2
3
4
5
47nF
11 12 13
14 15
R044
100K
50V
1/10W
22pF
R043
R042
0
Q002
Q003
0,8
4.7K
4.7K
Q004
1/10W
1/10W
0
0
2,8
R041
KRC110S
KRC110S
KRC110S
0
0
10K
1/10W
MW = LOW
FM=LOW
LW =HIGHT
AM=HIGHT
V
3,6
V
28
CRKD 2533
First issue 10/01
RDS OUTPUT DATA TIMING
T1
T4
T2
T5
T1
T3
T1=T2=4.3uS
T3=T4=421uS
T5=T6=416.7uS
5
6
7
8
R009
R006
330R
R007
1/10W
10.7M
TP10
100R
1/10W
3.3K
1/10W
9,2
OUT
IN
3,6
R005
10.7M
Y001
E
Y002
Q001
OUT
IN
1/10W
KTC3880Y
E
C006
10R
R008
50V
1,7
100K
1K
C008
50V
R010
1/10W
1uF
33pF
1/10W
470R
50V
50V
22nF
NR
R004
1/10W
TP03
AM_RF
VCC
VT
C037
C036
C035
.1uF
47uF
2.2UF
50V
10V
10V
R032
C033
50V
2.2K
1k
1nF
1/10W
1/10W
2,9
0
6,3
6,3
0,9
5,8
12
12
R037
0,3
10K
12
1/10W
0
R038
10K
1/10W
2,9
0
0
4,8
0
5,5
R050
X001
R051
10K
7.2M
1/10W
1/10W
R047
220pF
R048
R049
50V
50V
1K
1K
1K
50V
33pF
33pF
1/10W
1/10W
1/10W
DATA_OUT
CLK
OPTION
DATA_IN
CE
50V
1nF
TP20
7
C015
1n5F
910P
50V
50V
1
2
C059
C009
4K7
10V
RV001
T6
T2
3
47nF
50V
33uF
3.3uF
50V
16V
16V
R012
C014
47nF
33k
50V
1/10W
R011
15K
1/10W
TP14
1,7
30
3,6
29
3,6
28
3,6
27
3,6
26
0,7
25
0,7
24
1,7
23
10.7M
TP15
AM_OSC
OSC_IN
REG
AM
AFC
AM_AGCAM_DET
DEMOD
OUT
IN
BUF_OUT
RF_IN
E
Y003
AFC
FM_IF
AM
FM
AM_IF
IN
MIXOUT
BYPASS
IN
GND
TU-LED
ST-LED
VCC
3,6
9,3
3,6
3,6
0
0
9,3
9,3
1
2
3
4
5
6
7
8
R025
47K
R024
R022
47uF
47K
150R
16V
1/10W
1/10W
1/10W
IN
50V
0.1uF
OUT
TP12
C61
50V
47uF 47nF
10V
AM_FM IF O/P
TP13
R030
R031
10K
C032
1/10W
1/10W
50V
10nF
15K
1000p
C031
2
0
0
0
0
50V
R029
10K
1/10W
HI=GOOD DATA
TP07
LOW=POOR DATA
0
6,2
0
0
0,2
ST_INDICATOR
IF-BUF/MUTE
10K
TP08
AM/FM
ST/MONO
MW/LW
C018L
C016L
C016R
22nF
6N8F
C018R
22nF
50V
6N8F
50V
50V
50V
2
3
1
TP11
TF003
2
3
1
6
TF002
6
R013
R014
3.3K
3.3K
1/10W 1/10W
3
22
0
21
3,4
20
4,4
19
4,4
18
4,4
17
4,4
16
MX_IN
MXLOUT
MXROUT
L_IN
R_IN
L_OUT
R_OUT
IC002
R015R
LA1837
1K
1/10W
FM_S
AM_S
AM/FM FM/AM
R016R
FM_DET
AM_BWMETER
METER
IF_O/P
SW
ST/MO
8.2K
1/10W
9,3
1,4
4,4
4,4
0
8,5
8,5
9
10
11
12
13
14
15
R021
50V
R017
47R
4.7K
1/10W
1/10W
4.7K
1/10W
TP04G
0,7
R026
0
Q006
47K
2SD1328
1/10W
0
R53
330R
C025
C024
50V
1/10W
33pF
33pF
50V
4.332MHz
X002
2,9
0
2,9
2,9
2,9
5,7
0
0
0,3
0,3
3,1
3,1
5,7
0
0
3,1
C029
C030
C026
50V
2.2uF
1.5nF
50V
50V
10V
100nF
560pF
R028
3.3K
1/10W
8
NOTES:
1. Unless otherwise specified:
A. All resistor values are in ohms,
1/4W
B. All Capacitor values are in uF
2. Voltages are positive with respect
to ground
3. Replace transistors with type
specified from replacement parts list
4. Unless otherwise stated, all voltages
taken in radio "on" position
5. * and
indicates critical safety
components. Replace only with those
specified from replacement parts list
to maintain proper performances and
safety of this unit.
R015L
1K
1/10W
TUNER-L
R017L
4.7K
1/10W
R016L
C023R
R018L
TP04
8.2K
22nF
C023L
1.8K
1/10W
50V
22nF
1/10W
50V
TUNER-R
R018R
TP05
1.8K
1/10W
AGND
TP06
Q601
VCC
12
12
R601
KTA1298
12
TUNER-POWER
1K
1/10W
0
0
1/10W
2.2K
R602
Q602
R603
KRC110S
0
1K
1/10W
RDS_QUAL
RDS_DATA
RDS_CLK
DATA_OUT
CLK
DATA_IN
CE
DGND
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