Circuit Diagram (Bottom Left) - Philips MRD300/37 Service Manual

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CIRCUIT DIAGRAM (BOTTOM LEFT)

C128 D4
C802 A5
C847 B5
C129 D4
C803 A5
C850 B4
C130 D4
C804 A5
C851 B5
C131 D4
C805 A4
C852 B5
C132 D4
C806 A4
C900 C5
C133 D4
C808 A4
C901 C5
C140 D4
C809 A4
C903 C5
C182 D4
C810 A4
C905 C5
C800 A4
C811 B4
C906 C5
C801 A4
C812 B5
C907 C5
A
R865
R869
18K
D
D
10K
Q808
Q807
VR_SEL
G
G
2S K3018
2S K3018
Q805
S
S
R864
B
100K
2N3904
MVCC
R823
RFGND
10K
R824
MGND
CN800
10K
1
DISC_SW
1
C808
CN802
2
2
MVCC
5
3
5
TRAY_IN
3
100uF
4
4
3
3
TRAY_OUT
2.0MM
2
R811
0
DCLOAD-
2
C801
C800
FOR SENSOR-6
1
R812
0
1
DCLOAD+
20P F
20P F
MGND
C810
MVCC
2.0MM
104
4
Y800
+5V
11.0592M
TRAY IN/OUT
+5V
IC803
R800
MGND
100K
20
43
X2
P0.0(AD0)
TRAY_IN
21
42
TRAY_OUT
X1
P0.1(AD1)
41
+5V
P0.2(AD2)
SW_LOAD_DOWN
10
40
SW_LOAD_UP
RESET
P0.3(AD3)
39
DISC_SW
P0.4(AD4)
C809
35
38
ROT-SW
EA/VPP
P0.5(AD5)
3X2JMPER(2.54MM)
+
1
37
OPEN
P4.2(INT3)
P0.6(AD6)
36
CLOSE
P0.7(AD7)
10uF
2
PCB_TEST
1
P1.0(T2)
12
3
2
P4.3(INT2)
P1.1(T2EX)
DEVSEL
4
3
MECHATEST
R810
P1.2
5
OPEN51
P1.3
8.2K
6
P1.4
CLOSE51
23
7
LOAD_UP
P4.0
P1.5
8
P1.6
LOAD_DOWN
34
9
ROT-CW
P4.1
P1.7
24
ROT-CCW
P2.0(A8)
25
INSW
P2.1(A9)
26
OUTSW
P2.2(A10)
27
MCUCLK
P2.3(A11)
28
P2.4(A12)
29
ROT-SW0
P2.5(A13)
30
P2.6(A14)
R828
OPEN
31
P2.7(A15)
11
INT0#
P3.0(RXD)
13
MCUDATA
P3.1(TXD)
14
P3.2(INT0)
15
P3.3(INT1)
16
P3.4(T0)
17
P3.5(T1)
18
P3.6(WR)
19
P3.7(RD)
MVCC
MVCC
C803
32
MGND
PS EN
33
104
ALE/PROG
R802
R803
ROT-CW
47K
47K
W78E52BP -40
CN801
1
SW_LOAD_UP
1
2
2
5
3
3
SW_LOAD_DOWN
C802
C804
2.0MM
UP/DOWN SWITCH
104
104
MGND
6
A
8-6
C935 C5
C950 C5
C962 C5
C992 D5
C939 C5
C951 C5
C963 C5
C993 D5
C940 C5
C952 C5
C964 C5
C994 D5
C942 C5
C953 D4
C966 C5
C995 D5
C943 C5
C954 D5
C967 D5
C996 D5
C945 C5
C955 D5
C968 D5
C997 D5
C946 C5
C956 D5
C969 D5
C998 D5
C947 C5
C959 C5
C971 C5
CN800A4
C948 C5
C960 C5
C972 C5
CN801A5
C949 C5
C961 C5
C973 C5
CN802A4
B
SPDON
R870
10K
Q806
B
2N3904
MVCC
S+8V
IC801
R814
R884
OPEM
DCLOAD+
1
8
0OHM
OUT1
GND
2
7
DCLOAD-
S+8V
VM
OUT2
3
6
VCC
VREF
4
5
OPEN51
FIN
RIN
+
C811
C850
104
100U /16V
CLOSE51
BA6287F ROHM
MGND
MVCC
MGND
CN804
JP800
IC802
R815
6
2
1
6
2
5
1
2
5
1
8
0
1
4
OUT1
GND
MGND
3
4
2
7
2.0MM
S+8V
VM
OUT2
FOR UP/DOWN MOTOR
3
6
MVCC
VCC
VREF
LOAD_UP
4
5
LOAD_DOWN
FIN
RIN
+
C812
R830
C851
OPEN
C806
104
100U /16V
104
BA6287F ROHM
MGND
S+8V
MVCC
MGND
IC800
CN803
1
8
OUT1
GND
S+8V
1
2
7
VM
OUT2
2
3
3
6
ROT-SW
VCC
VREF
4
ROT-SW0
5
4
5
R845
+
C847
FIN
RIN
6
0
C852
104
100uF
2.0MM
ROT-CCW
FOR ROTARY SWITCH&MOTOR-2
BA6287F ROHM
Q800
D800
MGND
B
2412K
4.3V
MGND
R832 560
s+8v
B
CN803B5
FB905C5
IC900 C4
Q807 A4
CN804B4
FB906C5
IC901 C5
Q808 A4
CN902C5
FB907C5
IC902 C5
R800 A4
D800 B5
FB908D5
IC903 C4
R802 A5
D901 D5
FB909D5
IC905 C5
R803 A5
FB900C5
FB910D5
IC906 C5
R804 A4
FB901C5
IC800 A5
JP800 A4
R805 A4
FB902C4
IC801 A4
Q800 A5
R806 A4
FB903C5
IC802 A4
Q805 A5
R810 A4
FB904C5
IC803 A4
Q806 A4
R811 A4
C
VCC20
C181
C119
100uF
104
104
104
104
FB902
1
IC900
100
7808
C971
100uF /50V
RT9163-50CG L
R902 1OHM
FB903
R903 1OHM
3
IC901
100
R904 1OHM
CN902
104 104 104
104 104
AC2
8
AC1
7
C900
DGND
6
100uF
-24V
5
DGND
4
12V
3
DGND
2
FB904
+6.8V
1
1
IC902
100
BA05T
CON8
C942
C901
104
100uF
FB900
R900
100
100
C939
12V
ZD901
C972
104
100uF/50V
FB901
100
C940
C973
104
100uF/ 50V
C
8-6
R812 A4
R870 A4
R885 A4
Y800 A4
R814 B4
R876 A4
R886 A4
ZD901C5
R815 B4
R877 A4
R900 C5
R823 A4
R878 A4
R902 C5
R824 A4
R879 A4
R903 C5
R828 A5
R880 A4
R904 C5
R830 B5
R881 A4
R905 D5
R832 A5
R882 A4
R906 D5
R845 A5
R883 A4
R910 D5
R864 A4
R884 B4
R911 C5
D
VCC33
SVCC33
601
C140
104
C182
C128
C129
C130
C131
C132
C133
10uF
104
104
104
104
104
104
RT9163-50CG L
S+8V
3
3
IC903
1
MVCC
MVCC
C966
C953
C960
10uF
104
10uF
MGND
FB908
MGND
RF50V
600
FB907
1
1
IC905
3
C996
RF33V
C997
600
BA033
104
VCC33V
10uF
FB910
C952
C956
C969
C962
104
104
10uF
C998
104
10uF
100
104
IC906
GNDV
+5V
9164CG
R911
+3.3V
VCC33
+2.5V
FB905
FB909
D901
3
180
100
100
R910
1N4001
C963
C961
C954
C967
C992
C993
C994
C995
100
10uF
10uF
C951
104
10uF
104
10uF
104
10uF
104
R905
-12V
100
R906
150
FB906
IC906
C959
C946
9164CG
VCC20
10uF
100
104
C964
C950
C955
C968
10uF
104
104
10uF
+12V
D
4
5
6

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