MD-X60H
– 40 –
Figure 40
BLOCK DIAGRAM (3/4)
22
4
5
1
3
7
6
8
17
15
14
11
12
16
18
12
13
10
6
13
10
7
21
22
23
24
17
9
8
5
4
2
7
5
4
3
6
21
1
1
~
20
11
15
16
1
2
X352
4.5MHz
IC302
TC72131
PLL CONTROLLER
FM IF DET./FM MPX./AM IF,
LA1832S
IF
OUT
IC303
+B4
CF351
X351
+B4
MPX
PHASE
+B4
+B4
TUNER MUTE
SD
VOLTAGE
REGURATOR
+B4
+5V
FM +B
XT21
VT
CF302
T306
T302
DO
CE
CL
DI
FM FRONT END
FE301
Q360
MUTING
MPX
VCO
CUT
LOW PASS
FILTER
R
L
Q353
Q354
MPX
IN
FM/AM
OUT
IF IN
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
VR351
FM MUTE
LEVEL
AM OSC
IN
OUT
VCC
FM IF IN
FM IF
AMP
Q301
AMP
QT21
FM IF
CF301
FM IF
FM
OSC.
STEREO
AM IN
FM IN
FMOSC
T351
AM IF
GND
OSC.
FM
AM RF
AM ANT.
FM
75ohms
AM OSC.
CF352
L354
CNP301
SO301
ANTENNA
TERMINAL
AM LOOP
ANTENNA
Q371
Q361
CNP303
L341
BALUN
4
3
2
15
14
20
21
23
22
13
12
ICT21
LC72720
RDS
VDDA
VSSA
VSSD
VDDD
X IN
X OUT
MPX
IN
DO
CL
DI
CE
XT21
4.332MHz
Содержание MD-X60H
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