Service manual

XL-MP40H
4 – 1
AudioXL-MP40HService ManualXLMP40HMarketE
CHAPTER 4. DIAGRAMS
[1] BLOCK DIAGRAM
1
2
3
AM ANT.
BAND PASS
FILTER
FM IF
AM IF
75KHz
AM IF
FM IF
FM IF
+B
1
2
3
19202136 35 34
123 1817164 5 6 7 8 9 10 11 12 13 14 15
LV23002M
33 32 31
3
2
1
6
5
4
222324252627282930
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
1
3
2
4
5
1
3
2
4
5
123457612 10 9 81113
LA4631++
POWER AMP.
+
-
-
+
POW_STB
(R)
(L)
POWER
TRANSFORMER
T200mA L 250V
AC POWER
SUPPLY CORD
Except for U.K.: AC 230 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
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
SPINDLE
MOTOR
M
M
1
2
3
4
5
6
+B
-B
-B
P_MUTE
+5V
VP
P_CON
POW_STB
CD+B
654321
PLSN
470
FO
O
PLA
Y
-
+
L-CH
R-CH
M
TAPE
MOTOR
SOLENOID
FOOL
PLAY
PHOTO
INTERRUPTER
RECORD/PLAYBACK
HEAD
ERASE HEAD
TAPE MECHANISM ASS'Y
(221)
AN78L05
31
AN78L05
CONSTANT
VOLTAGE
REGULATOR
CONSTANT
VOLTAGE
REGULATOR
2
31
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
Q
6
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./FMMPX./AM IF
CONSTANT
VOLTAGE
AM BAND
COVERAGE fL
AM
Tracking
Figure 4-1 BLOCK DIAGRAM (1/3)