Chapter 4. Diagrams; Block Diagram Main - Sharp XL-MP9H Service Manual

XL-MP9H
CHAPTER 4.
DIAGRAMS

[1] BLOCK DIAGRAM MAIN

CD PICKUP UNIT
FO-
TR-
TR+
FO+
ACTUATOR
MD VR
LD
F
C
B
A
D
E
CD MECHANISM UNIT
MECHANISM PWB
+
SPINDLE
M
MOTOR
+
SLED M
MOTOR
PICKUP IN
T302
AM ANT
CNP301
1
AM
2
L341
BALUN
T306
AM OSC.
SO301
FM
FE301
FM
FM FRONT END
ANTENNA
8 7 6 5 4 3
TERMINAL
FM IF
10.7MHz
FM+B
FO- FO-
16 16
TR- TR-
15 15
TR+ TR+
14 14
FO+ FO+
13 13
MD MD
12 12
VR VR
11 11
LD LD
10 10
GND GND
9 9
F F
8 8
C C
7 7
B B
6 6
A A
5 5
D D
4 4
E E
3 3
VCC VCC
2 2
VC VC
1 1
SP+
1
1 1 2
SP-
2 2 3
SL+
3 3 4
SL-
4 4 5
PU-IN
5 5
6
GND
6 6 7
FM MUTE LEVEL
VR351
VD301-1
10K(B)
SVC348S
AM OSC OUT
24 23 22 21
IC303
FM IF DET./FM MPX./AM IF
VD301-2
SVC348S
LA1832S
1 2 3
2 1
AM IF
1 3
T351
CF302
Q301
2 FM IF
1
10.7MHz
CF352
1 3
CF301
2
VT
D_GND
22 21 20
TUN+B
Q360
IC302
+B1
X352
LC72131
4.5MHz
1 2 3
Figure 4-1 BLOCK DIAGRAM (1/4)
+B
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LOW PASS
FILTER
L354
X351
456kHz
20 19 14 13
18 17 16 15
9 10 12
4 5 6 7 8 11
+5V
3
CF351
FM IF
2
STEREO
SD
17 16 15 14 13 12
PLL TUNER
4 5 6 7 8 9 10 11
4 – 1
+B
Q805
+B
AVDD
LASER
DRIVER
SLCO
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62
1
EFMIN
Q801
2 RF
3 LPF
4 PHLPF
5 AIN
6
CIN
7 BIN
8 DIN
IC801
9 FEC
LC78690
10 RFMON
MP3 DECODER
11 VREF
12 JITTC
DIGITAL SIGNAL
13 EIN
PROCESSOR
14 FIN
15 TEC
16 TE
17 TEIN
LDD
18
19 LDS
VSS
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
+B
+B
Q809
Q802
CONSTANT
VOLTAGE
Q806
SWITCHING
R_MUTE
Q351
16 15 14
LC72723M
1 2 3
Q521
ZD351
+5V
TUN+B
+B1
A_GND
R-MUTE
+B
TES
STDA
ST
STR
TES
CON
CON
CON
INT
INT
RE
DV
DV
39
+B
+B
Q810
CON
VOL
Q808
13 12 11 10 9
IC521
RDS
4 5 6 7 8