Philips MCD728 Service Manual page 30

CIRCUIT DIAGRAM - DVD MPEG BOARD
EJS89D18
MPEG board is not repaired,program for referrence only.
EJS89HD18 MPEG board elements sch
R1 4.7k R2
R3
2
Q1
2N3904
R7
2 2
Q2
2N3904 Q3
2N3904
L1
CB1
R11 R12
0 0 0.1uF
J2
GND
24
LD_DVD L2
23
22
AVCC1
21
20
MDI
LD_CD
L3
19
HD65
VR_DVD
18
VR_CD
17
PICKUP
16
15
E
AVCC1
14
13
V20
GND
12
11
F
CB2
10
B
0.1uF
9
A
8
RFO
7
IOA
6
D
5
C
T-
4
T+
3
F+
2
F-
1
H24 SMD0.5
R30 R31
1,0805 1,0805
T-
15
VOTK+
16
VOTK-
SL+
17
VOLD+
SL-
18
VOLD-
19
PGND
T+
20
VNFTK
MO_VCC
21
PVCC2
30
G2
R38 22
PREGND
20k FMSO
23
VINLD
C11 150pF
24
CTK2
25
CTK1
TRSO
26
VINTK
V1P4
27
BIAS
R40 0 STBY
28
TCK STBY
R41 U1
CB4 CD5954
CB3 10k 0.1uF
0.1uF
standby
J4
+12VA
Standby
3
P+12V
2
L9
1
FB/DIP
+ CE12
TJC3-4A
220uF/16V
13 - 4
AVCC
10k
10k
IOA
4.7k
AVCC
FB
+ CE1
220uF/16V
10uH
Q6
8550/DIP
2
LDO2
10uH
CE2
47uF/16V
R18 4.7 RFV33
R21 4.7
+ CE3
47uF/16V
2
LDO1
Q9
8550/DIP
R32 R33
1,0805 1,0805
F+
14
VOFC+
13
VOFC-
SP-A
12
VOSL+
SP+
11
VOSL-
10 VCC
PGND
MO_VCC
9
PVCC1
L4 FB
8
VCC
29
G1
F-
7
VNFFC
R36 10k R37 20k DMSO
6
VOSL
5
VINSL-
V1P4
4
VINSL+
R39 20k
3
CF2
2
CF1
FOSO C12
1
VINFC
150pF
+ CE4
220uF/16V
PT220/16V
VCC R42 R191
27K 3.3K
U4 ACT4060
8
SYNC BS
R45 150k 7
EN VIN
6
COMP VSW
5
FB GND
C14
0.022uF
R46 C16 R47
300k 100pF 10k
R49
15k
R189
DV33 R50 R51 U5 ACT4060
15K 2.2K
150k
8
SYNC BS
7
EN VIN
6
COMP VSW
5
FB GND
C18
R190 0.022uF
300k C20 R52
100pF 10k
R53
15k
FOSO R27 20k
TRSO R29 18k
FMSO R34 15k
DMSO R35 10k
C7 C8 C9 C10
330pF 330pF 0.1uF 0.015uF
V1P4
+12VA VCC
L7
C13 0.01uF 100uH_1.7A
1
2
3
4
+
CB11 + CE8 D1
1N5819/SMD
0.1uF 100uF/16V CE9 C15
220uF/16V 0.1uF
+12VA
DV33
L8
C17 0.01uF 100uH_1.7A
1
2
3
4
+
CB12 D2
1N5819/SMD
0.1uF C19 CE11
+ CE34 0.1uF 220uF/10V
100uF/16V
13 - 4
C1 0.1uF/NC
C2 2200pF
R4 680k
DV33
R8 R9
10k 150k
R13 NC
SP-A R14 1
R17 33
IO_18
FOO
TRO
FMO
DMO
FOO
FOO
TRO
TRO
FMO
FMO
DMO
DMO
standby
standby
DV33 V18
R208 D21
1/0805 R210 1N4002
2.2/1206
R209
1 2
1/0805
U3
AZ1117H-ADJ/NC
3 2
IN OUT
4
out
R44 +
750/NC
CB9 SOT223 CB10 CE7
0.1uF 0.1uF 220uF/10V
R48
390/NC
R5 0
ADIN
OPO
OP-
OP+
R6 680k
V1P4
C3 2200pF
R10
150k
J1
SP-
1
SP+
2
LSW
3
4
SL-
5
SL+
6
PH-6A
CON6-2.0
2
2
2
2
5
VCC AVCC
L5
FB
CB7
0.1uF
DV33 RFV33
L6
FB
+ CE6 CB8
47uF/16V 0.1uF