Chapter 4. Diagrams; Block Diagram Main - Sharp XL-MP8H Service Manual

XL-MP8H
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
IC301
TA7358AP
FM FRONT END
B.P.F
BF301
1
3 4
L302
FM RF
CNP301
FM
AM
3
OOP/FM
TRACKING
ENNA
2
AM
1 T302
+B6
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
SPÐ
2 2 3
SL+
3 3 4
SLÐ
4 4 5
PU-IN
5 5 6
GND
6 6 7
FM IF
6 T304 CF303 CF302
9
Q306
5 7 8
OSC
BUFF
L303
FM OSC
Q302
AM BAND
COVERAGE
T306
VT
20
IC302
LC72131
PLL(TUNER)
+B1
FM+B
FM
Q360
SWITCHING
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
10.7 MHz
X351
450 kHz
CF351
456 kHz
T351 CF352
AM IF
13
1 2 4 5 9 8 17
L
R
24 23 21 10 7 6 18 16 12
X352
Q351
4.5 MHZ
1 22 15 16 11 12
17
+B1
21 7 3 4 5 6 8 9 10
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
LPF
3
4 PHLPF
5
AIN
6 CIN
7 BIN
8 DIN IC801
9 FEC
LC78690
10 RFMON
MP3 DECODER
11 VREF
12 JITTC
DIGITAL SIGNAL
EIN
13
PROCESSOR
FIN
14
15 TEC
16 TE
17 TEIN
18 LDD
19 LDS
20 VSS
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
A_12V
+B1
ZD351
5.1V
14 TUN_L
15 TUN_R
IC303
LA1832S
FM IF DET.
FM MPX./AM IF
SD
FM_ST
DO
CL
DI
CE
+B
TES
STDA
STC
STRE
TES
CON
CON
CON
INT
INT
RES
D
C
DVS
DVD
39
+B
+B
Q810
CONS
VOLT
Q808
S
F
D
C
D
C