Block Diagram; Chapter 4. Diagrams - Sharp XL-MP130 Service Manual

XL-MP130
Audio CHAPTER 4. E Market XLMP130 Service Manual XL-MP130
DIAGRAMS

[1] BLOCK DIAGRAM

FM ANTENNA
TERMINAL
SO302
B.P.F
BF301
FM RF
CNP301
2
AM LOOP
TRACKING
ANTENNA
1
CNS3
FROM CD SECTION
CNP3
SWITCHING
REC /P.B. HEAD
Q101-
L-CH
Q104
TAPE R-CH
AC BIAS
ERASE
HEAD
IC301
TA7358AP
FM FRONT END
FM IF
6 T302
1
9
3 4 5 7 8
OSC
BUFF
L312 T301
FM OSC
Q302
AM BAND
AM
COVERAGE
T303 T306
+B6
VT
IC302
LC72131
PLL(TUNER)
+B5
FM+B
Q360
SWITCHING
L
VIDEO/AUX
R
JK690
1
2
3
13
P.B
4
L
L(TA)
2
21 R
23
R(TA)
H/N
L
REC
7
18
R
L REC REC
9
R REC 16
IC101
AN7345K
11
PLAYBACK AND RECORD
12
/PLAYBACK AMP.
15
SWITCHING
SWITCHING
Q105
Q114
Q106
+B5
Q112 Q113
SWITCHING
Figure 4-1 BLOCK DIAGRAM (1/6)
+B6
CF302
450 kHz
T351
CF352
AM IF
1 2 4 5 9 8
24 23 21 7 18
IC303
LA1832S
FM IF DET.
FM MPX./AM IF
X352
4.5 MHZ
1 3 4 5 6
20 22 15 16 11
OSC
7 9 10 21
FM
L 9
R 16
L
10
IC601
TAPE
LC75341
R 15
L AUDIO PROCESSOR
11
TUNER
14
R
L
12
CD
R 13
7 18 8 17
+B5
PB
+B5
BIAS
BIAS
Q111
Q109 Q110
L103
OSC
SWITCHING
4 – 1
+B5
10.7 MHz
ZD351
5.1V
X351
CF351
456 kHz
17
13
14
L
R 15
16 12 20
Q361
17
+B5
DI 1
CE
2
CLK 24
R
21
Q601
Q602
L
4
3 23
CNS3
TO CD/MP3 SECTION
+B5
+B4 7
REC/PLAY
+B7(A_+5V)
5
Q107
Q108
MUTING
+B8(SW_+5V)
+B10
BIAS
+B_P
+B
LD_+8V
M_+8V
+B
+B
UNSW