H
H
J
I
L
M
K
O
O
P
P
L
M
I
J
K
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
JSR-400 TUNER BOARD SCHEMATIC DIAGRAM
1
2
12
R407
3.3K
C430
2.2/50
C418
2.2/50
C414
680p
C417
2.2/50
R408
3.3K
C431
2.2/50
R403
5.6K
R404
5.6K
R416
100K
R419
100
C403
0.047u
R405
1.8K
R406
1.8K
Q401
KTC3198
Q403
KRA101M
R418
100
C405
2.2/50
R411
10K
F401 ZTB456F1
1
C402
0.47/50
C404
3.3/50
R401
1K
T2 AM IF T
F202
LPU450B
R31
1
1K
R312 68K
R304
10K
C303 0.022u
C308 0.022u
FM ADJ.
C322
0.15u
D303 1N4148
C316
0.022u
R308 2.2K
R314 22K
10K
VR302
C312 0.022u
C21
3.3/50
C314 4.7/50
C313 10/16
R305
10K
VR301
10K
562
220
F102
10.7MHz
2
3192
6
2u
33
0
R318
220 1/4
T4 FM DET
R315 5.6K
R316
3.3K
R317
1K
3
2
1
4
5
C323 0.047u
C323 0.047u
C318
0.022u
C317
47/16
R313
56
F3
LZU450C4N
D402
1N4148
D302
1N4148
WA2
C23
3.3/50
R307
1K
C412
10/16
R413
100K
R412
100 1/4
VR401
220K
R438
39K
C401
10/16 C413
680p
R414
120K
R415
120K
R306
27K
12 13 14 15 16 17 18 19 20 21 22
11 10 9 8 7 6 5 4 3 2 1
LA1265
IC3
AM
OUT
15V
0.7V
SD.ADJ 2.2V
2.2V
AGC 1.5V
0V
0V
AM
INPUT
2.1V
3.8V
OSC 3.8V BUFFER 2.6V
1.2V
FM
OUT 4.7V
4.2V
TU-IND
0V
VCC 7.8V
7.6V
7.6V
GND
2.2V
2.2V
FM
IF
IN
2.2V
C419
47/16
C416 0.022U
IC4
LA3410
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
VCC 12V
INPUT
3.0V
3.0V
3.0V
L-OUT
3.0V
3.0V
R-OUT
3.0V
GND
OSC
2.7V
2.7V
PLL
IN
2.7V SP
ADJ.
3.0V
2.7V
2.7V
ST
.IND
5V
JSR-400 PAGE 45 - 2 of 2
Содержание JSR-400
Страница 37: ...JSR400 MAIN PCB H G F F G H E D C B A A B C D E I I 1 JSR 400 PAGE 31 1 of 2...
Страница 38: ...H G G H J I L M K O O P P L M I J K JSR 400 PAGE 31 2 of 2...
Страница 39: ...JSR400 Con H G F F G H E D C B A A B C D E JSR 400 PAGE 32 1 of 2...
Страница 40: ...JSR400 Control PCB IC1 H G G H L M K J I L M I J K JSR 400 PAGE 32 2 of 2...
Страница 43: ...JSR400 SUB PCBs H G F F G H E D C B A A B C D E I I JSR 400 PAGE 34 1 of 2...
Страница 44: ...H G F F G H E E L M K J I L M I J K JSR 400 PAGE 34 2 of 2...