Sharp XL-MP100H Service Manual page 14

XL-MP100H
FE301
FM FRONT END
8 7 6 5 4 3
J301
FM +B
ANTENNA
75 OHMS
AM LOOP
ANTENNA
CNP301
1
2
CF301
FM IF
J101
SPEAKER
FRONT SPEAKER
TERMINAL
L/R-CH
J103
HEADPHONES
AC 230-240V, 50Hz
AC POWER
SUPPLY CODE
J1
AC INPUT
SOCKET
PT1
POWWER TRANSFORMER
(MAIN)
16
2 15
14
3
4
13
5
12
11
6
10
9
4 2
3 1
RY1
RELAY
5
4
6
3
7
2
8
1
9
2 1
AMOSC.
L306
D305
AM BAND
COVERAGE fL
+B
AM
Tracking
L302
AMANT.
36 35 34 33 32 31 30 29 28
PLL(TUNER)/
FM IF DET./FM MPX./AM IF
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
+B
Q371 CF304
AM IF
FM IF
L305
+B
AM IF
1
Q255
4
Q256
2
3
Q257
-B
-B
-B
-B
-B
D1~D4
Figure 4-3 BLOCK DIAGRAM (3/5)
+B
Q305
TP301
+B
Q301
FM DET.
L311
X301
75kHz
27 26 25 24 23 22 21 20 19
IC301
LV23002
CF303
IC202
STK43306
POWER
1 2
-B
+B
+B
Q281
Q285
Q287 Q283
Q286 Q284
Q282
+B
-B
+B
Q101
D111~D114
+B
Q102
Q103
D101~D104
+B
Q104
4 – 3
+B
+B
16 15 14 13 12 11 10 9
Q352
IC351
LC72723D
RDS
1 2 3 4 5 6 7 8
+B
Q353
+B
CL
O-TU-SCK
DI
O-TU-SDO
CE O-TU-CE
DO
I-TU-SDI
+B
Q351
+B
3 4 5 6 7 8 9 10 11 12 13 14
+B
D251~D254
IC401
+B
+B
1 3
KIA7805AP
2 VOLTAGE REGULATOR
+B
Q105
Q401~Q404
RDS-SD
RDS-SC
TUN_+B
TUN_L/R
15
Q201
Q251~Q254
+B
-B
+B
O-POWER
I-SAFETY
-VFL
F1
F2
MC_VB
CD-L CD-L
6
CD-A.GND CD-A.GND
5
CD-R CD-R
4
CD-D.GND CD-D.GND
3
1
CD-VM CD-VM
2
2 CD-P.GND CD-P.GND
1
CNS504
M
M401
FAN
MOTOR