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XL-DAB9H
6 – 4
[4] SCHEMATIC DIAGRAM MAIN(2/3)
Figure 6-4 SCHEMATIC DIAGRAM (3/8)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
10.7MHz
9V
2.5V
2.1V
2.1V
2.5V
5V
(2.7V)
(2.7V)
0.6V
(0.9V)
0V
2.3V
2.3V
2.9V (4.3V)
5V
5V
0V
2.1V
2.1V
9.5V
0.8V
+B
+B
+B
+B
3.5V
(0V)
3.9V
3.7V
(0V)
1.7V
(11.4V)
0.1V
0.1V
4.8V
5.1V
0V
2.6V
2.6V
(0V)
0V
(2.6V)
2.6V
5.2V
0.9V
0.9V
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
0.001
0.001
0.001
10/16
1N4148
1N4148
0.001
2.2µH
0.022
5.6K
1mH
0.82µH
0.022
0.022
68
82
4.7K
100/16
180
0.022
0.022
330
680
680
6.8K
33
2SC380
O
456kHz
2.7K
1/50
0.001
LC72131
33P
270
0.022
10/16
0.022
0.022
0.022
4.7/25
0.022
8.2K
33P
0.022
3.3/50
0.022
330
47/16
0.022
330
10K
1/50
1.5K
2.2K
0.001
0.022
0.01
5
0
022
1
100µ
12P
(CH)
(CH)
15P
1K
1K
1K
1K
0.001
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
14
15
16
17
18
19
20
21
22
8
7
6
5
4
3
2
1
FM FRONT END
XI
N
X
OUT
VSS
AOUT
AIN
VDD
FM
IN
AM
IN
MO/ST
DO
CL
DI
CE
DO
CL
DI
CE
AM
OSC
AM
OSC
FM
AFC
FM
IF
MPX
VCO
FM/AM
AM
LOW CUT
IN
IN
IN
IN
OUT
OUT
OUT
AM
MIX
REG
AM
IF
GND
SD
STEREO
FM
DET
AM
RF
VSM
MUTE
FM
FM
VT
PD
2.1V
5V
FROM
FM
ANTENNA
CHASSIS
GND
GND
FM
75 OHMS
ANTENNA
TERMINAL
TERMINAL
PLL(TUNER)
FM IF
FM RF
FM
IF
FM MUTE
LEVEL
LEVEL
4.5MHz
LOW PASS FILTE
D303
FE301
C376
C388
C349
C301
D304
SO301
C346
C345
R345
C348
VR351
L353
L321
R358
C343
C361
C362
C363
C364
C360
C366
C365
X351
R350
C367
C354
CF351
C399
R353
R379
C385
R
R3
L35
C380
C394
C393
R380
C392
C387
R382
C397
R386
R381
X352
C381
C382
R374
R373
R372
R371
C384
R369B
C347
R346
CF301
R344
R348
R347
R349
Q301
L342
C341
C351
R351
C344
C350
CF302
C353
IC302
C352
L354
R369A
R343
FM SIGNAL
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