Service manual

CD-MPX870W
4 – 3
Figure 4-3: MAIN BLOCK DIAGRAM (2/2)
Q905
-VF
VF2
VF1
Q801
+B2
+B3
-B1
+B1
-B2
+B5
+B3
+B8
25
R
L
+B8
RX701
REMOTE
SENSOR
D803,
D804
D802
D801
RL914
JK692
HEADPHONES
M901
FAN
MOTOR
M
Q906
Q712
IC901
STK412-420
POWER AMP.
F803
T2AL250V
VOLTAGE
REGULATOR
F804
T2AL250V
F801
T5AL250V
F802
T5AL250V
R-OUT
L-OUT
Q901~
Q904
D905~D907
CLK
SO901
SPEAKER
TERMINAL
47
VLOAD
SPAN
RESET
+B8
+B8
+B8
VDD
AVDD
~~
CE DI DO
XL701
4.19 MHz
~
BIAS
T1/T2
VDD
SW701-SW705
SW707-SW716
KEY
TO CD
SECTION
IC701
IXA101AW
SYSTEM
MICROCOMPUTER
(1/2)
FL701
FL DISPLAY
26
5150
81
8
1 54515253
1011
14
18
2
78
57
812 45
3
2
1
11
6
7
1
5
8
98
100
99
2
4
34
32
25
18
+B8
VDD
79
16 1742 1312 20 23 28 29 30 31
36
80
26 3837 39
40
55
15 14
27
41
T.F.
PT801
MAIN POWER
TRANSFORMER
SYSTEM
MUTE
~
~
~
~
TAPE
MECHANISM
ASS'Y
RESET
SP DET.
SP RELAY
ON-OFF
FAN MOTOR
DRIVER
T
ER
RELAY
DRIVER
D856
1SS119
IC854
KIA78L05
3
2
1
VOLTAGE
REGULATOR
7
IC851
AN80T53
MULTI REGULATOR
+B8
UN
SW_5.6V
3
LD+8V
+B7
2
M+13V
+B4
6
A+10V
+B6
1
SW5V
+B8
D+5V
+B9
A_+5V
+5V
F807
T2•5AL250V
F806
T2•5AL250V
SW801
VOLTAGE
SELECTOR
230-240V
220V
127V
110V
F805
T5AL250V
AC POWER SUPPLY CORD
AC110/127/220/230-240V.
50/60 Hz
Q
665