Read Sharp XL-MP40H (serv.man3) Service Manual online
XL-MP40H
4 – 1
Audio
XL-MP40H
Service Manual
XLMP40H
Market
E
CHAPTER 4.
DIAGRAMS
[1] BLOCK DIAGRAM
1
2
3
2
3
AM ANT.
BAND PASS
FILTER
FM
IF
AM IF
75KHz
AM IF
FM IF
FM IF
+B
1
2
3
2
3
19
20
21
36 35 34
1
2
3
18
17
16
4
5
6
7
8
9
10
11
12
13
14
15
LV23002M
33 32 31
3
2
1
6
5
4
22
23
24
25
26
27
28
29
30
VTCC
FMRF-IN
FMRF-OUT
VCC2
GND2
FM-OSC
AM-OSC
B02
B01
LP-OUT
LP-IN
PD
AGC
AMLOWOUT
DET-OUT
MPX-IN
VDD
XOUT
XIN
D0
CL
DI
R-OUT
L-OUT
FM-DET
P-CCMP
P-DET
CE
VSS
AMIFIN
FMIFIN
VCC1
AM-MIX
GND1
FM-MIX
REG
AMRF-IN
AM LOOP
ANTENNA
FM ANTENNA
TO DISPLAY PWB
AM OSC
L306
FM
RF
FM
OSC
FM
FRONT
END
1
4
3
2
5
6
6
1
3
2
4
5
5
1
3
2
4
5
5
1
2
3
4
5
7
6
12
10
9
8
11
13
LA4631++
POWER AMP.
+
-
-
+
POW_STB
(R)
(L)
POWER
TRANSFORMER
T200mA
L
2
50V
AC POWER
SUPPLY CORD
Except for U.K.: AC 230 V, 50 Hz
U.K.: AC 230-240 V, 50 Hz
U.K.: AC 230-240 V, 50 Hz
HEADPHONES
SPEAKER
TERMINAL
L-CH
R-CH
TP-VT
LINE
FILTER
LF651
F
B
A
A
E
FO+
TR+
TR-
FO-
ACTUATOR
TR+
FO+
FO-
C
F
B
A
E
TR-
C
D
VCC
VC
LD
VR
MD
D
GND
LD
VR
MD
CD PICKUP UNIT
CD MECHANISM UNIT (222)
MECHANISM PWB
+
+
-
-
PICKUP IN
SLED
MOTOR
MOTOR
SPINDLE
MOTOR
MOTOR
M
M
1
2
3
4
5
6
2
3
4
5
6
+B
-B
-B
P_MUTE
+5V
VP
P_CON
POW_STB
CD+B
6
5
4
3
2
1
PLSN
470
FOO
PLAY
-
+
L-CH
R-CH
M
TAPE
MOTOR
SOLENOID
FOOL
PLAY
PHOTO
INTERRUPTER
INTERRUPTER
RECORD/PLAYBACK
HEAD
ERASE HEAD
TAPE MECHANISM ASS'Y
(221)
(221)
AN78L05
3
1
AN78L05
CONSTANT
VOLTAGE
REGULATOR
CONSTANT
VOLTAGE
REGULATOR
2
3
1
2
P_CON
CNP301
L302
D307
D306
L304
L307
D305
X301
Q301
CF304
CF303
CF301
L305
Q303
CF302
IC301
BF301
Q302
IC101
SO601
JK101
F101
CNS602
CNW602
CNP602
D104
VP
+5V
D101
D103
D102
T601
Q6
Q613
Q104
Q664
Q662
Q665
Q660
Q612
Q611
Q658
Q661
RP602
RP601
D658
D659
D656
D657
CNP704
SW902
SOL901
M901
SW901
IC680
IC681
PLL(TUNER)
FM
IF
DET./FM
MPX./AM
IF
CONSTANT
VOLTAGE
AM BAND
COVERAGE fL
COVERAGE fL
AM
Tracking
Tracking
Figure 4-1 BLOCK DIAGRAM (1/3)
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