Philips MCD988 Service Manual page 28

CIRCUIT DIAGRAM - DVD MPEG BOARD
MPEG is not repaired,diagram for referrence only.
J2
DV33
SP-A
6
SP+
5
R11 10K LIMIT
4
3
SL-
2
SL+
1
CON2.0-6
R12 10K
SP- OP-
CB22 0.1uF
1
DV33
R13
D2
2
1/0805 CB23 BAT54C
3
SP+ R14 NC 0.1uF
SP-A R15 0 OPO
R16 10K
D 2
2 C C
1 3 B E
G S 2 1
B C E
1 3
2SK3018 2N3904
2SB1132
F-
1
F+
2
T+
3 R22 100K R23 10K
T-
4
C/c
5
D/d
6 Q3
CD/DVD SW
7 R25 10K
2
RF
8
A/a
9 2N3904
B/b
10
F
11
GND-PD
12
Vc(Vref)
13
Vcc _1
14 _4 R31 100K
1 1
E
15
NC
16 Q4 Q5
VR-CD
17 2SK3018/NC 2SK3018/NC
VR-DVD
18 L18
CD-LD
19 FB
MD
20
HFM
21 R33 R34
NC
22 CB26
DVD-LD
23
GND-LD
24 0 0 0.1uF
SANYO
HD65
CON1 C16 NC C17 NC
Very Important to
24
23 LD-DVD
reduce Noise
22
21 AVCC1
20 MDI1
LD-CD
19
18
17
16
15 E
14 AVCC1
13 V20 CB30 0.1uF
12
11 F
10 B L22 L23
9 A 10uH/SMD 10uH/SMD
8 RFO
7 IOA Q6
6 D C21 8550/DIP
5 C 2
4 T- NC
3 T+
2 F+
1 F-
R40
HEADER 24 SMD0.5 TOP
R41
2
Q9
8550/DIP
FOSO R47 27K FOO
TRSO R48 27K TRO
FMSO R49 15K FMO
DMSO R51 10K DMO
C22 C23 CB31 C24
330pF 330pF 0.1uF 0.015uF
V1P4
89L_3V3 V18
CB32 CB33 CB34 CB35 CB36 CB37
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
Chip Decap.
11 -3
V18
89L_3V3
V18 RFV18-1 CB12 0.1uF 89L_3V3
L12 FB
V18 RFV18-2 CB13 0.1uF
L15 FB
SERVO RF DeCAP.
RFV33
V20 V1P4
CB18 + CB19 +
CE13 CE14
0.1uF 47uF/16V 0.1uF 47uF/16V
RF Reference
ADVCM
MDI1 R17 0 MDI2
OPO
OPO
_2 _3
+5VS
Q2
_1 Q1 _4
1 1
2N3904
2N3904
IOA
Laser S/W Reserved
+5VS
+ CE18 89L_3V3
100uF/16V L19
C15
4.7uF
89L_3V3 CB28
0.1uF
L20 FB
L21 FB
V18
10uF/10V
LDO2
R38
0
CE19
Q7
100uF/16V
CE20 2N3906
2 R39 10K
47uF/16V RFV33
4.7
4.7
+ CE21 2 Q8 R42 10K
2N3906
47uF/16V
+ CE22
100uF/16V
R44
0
LDO1
DV33 J3
1
RS-232 RxD 2
TxD 3
4
CON2.0-4
R55 0
G P O I 9 R x D
R57 0
GPIO10 TXD
L13 ADACVDD L10 150uH/DIP
RFVDD3
DACVDD3 DACVDD3 L14 FB
FB C3 CB14
CB15 CB16 CB17 + CE12
4.7uF 0.1uF
0.1uF 0.1uF 0.1uF 10uF/16V
L17
AADVDD
150uH/DIP
C8 + CE15
6800pF 470uF/10V
C11 10uF/10V
CB24 0.1uF C13
1uF
C14
220pF
R20 0 1389_OP+
R21 0/NC FG
U2
C R24 0
1
RFA
B R26 0
2
RFB
A R27 0
3
RFC
D R28 0
4
RFD
F R29 0
5
RFE
E R30 0
6
RFF
RFV18-2
7
AVDD18
RFVDD3
8
AVDD33
XI
9
XTALI
XO
10
XTALO
11
AGND
V20 MT1389L/K
12
V20
V1P4
13
V14
R32 15K
14
REXT
MDI1
15 LQFP 128
MDI1
MDI2
16
MDI2
LDO1 R35 0
17
LDO1 Desktop
LDO2 R36 0 18
LDO2
FB AVDD33
19 V1.0
AVDD33
DMO
20
DMO
CB27 FMO 21
FMO
0.1uF STBY
22
TRAY_OPEN
IOA 23
TRAY_CLOSE
TRO
24
TRO
FOO
25
FOO
FG 26
FG / GPIO2
USB_DP
27
USB_DP
C18 USB_DM 28
USB_DM
10uF/10V USB_V33 29
USB_V33
R37 5.1K
30
USB_GND
C19 NC 31
PAD_VRT
USB_V18 32
USB_V18
C20 CB29
0.1uF
89L_3V3 V18
TP2
UP1_6 R43 0 VSCK
GPIO7 R45 0 VSTB
VSDA
UP1_7 R46 0
DV33
VCC
R50
10
+ CE23
100uF/16V
J4
IRVCC_5V
6
5
IR R56 10 4
VSTB
3
VSCK
C25 2
VSDA
100pF 1
CON2.0-6
11 - 3
89L_3V3
47uH/DIP
L11 APLLVDD3
thrice resonance
crystal need add R8 100K
L16 2.7uH/NC Y3
XI XO
C5
1000pF/NC C6 27MHz C7
22pF 22pF
R18
2K
89L_3V3
VREF1 CB25 0.1uF
96
VREF
DACVDD3
95
DACVDDC
TRIN
94
GPIO13
ASPDIF
93
SPDIF / GPIO12
IO_USB
92
GPIO11
GPIO10
91
GPIO10
90
DVDD18 V18
GPIO9
89
GPIO9
TRCLOSE
88
GPIO8
GPIO7
87
GPIO7 / CKE
MA3
86
RA3
MA2
85
RA2
84
DVDD33
MA1
83
RA1
MA0
82
RA0
MA10
81
RA10
BA1
80
BA1
79
DVSS18
BA0
78
BA0
RAS#
77
RAS#
76 CAS#
CAS#
WE#
75
RWE#
74 MA4
RA4
MA5
73
RA5
MA6
72
RA6
71 MA7
RA7
MA8
70
RA8
69 MA9
RA9
68
DVDD33
MA11
67
RA11
66 DCLK
RCLK
65 DQM1
DQM1
MT1389L
LQFP128/SMD/1389L
DV33 DV33
R52 R53 R54
1K 1K 1K
VSCK
VSTB
VSDA
DQ[0..15]
DQ[0..15]
MA[0..11]
MA[0..11]
DQM[0..1]
DQM[0..1]
BA[0..1]
BA[0..1]
DCLK
DCLK
RAS#
RAS#
CAS#
CAS#
WE#
WE#
DRAM I/F
SF_CK
SF_CK
SF_CS
SF_CS
SF_DI
SF_DI
SF_DO
SF_DO
S-FLASH
ASPDIF
ASPDIF
AR
AR
AL
AL
AUDIO_MUTE
AUDIO_MUTE
AUDIO I/F
RGB_SWITCH
RGB_SWITCH
V_CVBS
V_CVBS
V_R/V
V_R/V
V_B/U
V_B/U
V_G/Y
VIDEO I/F V_G/Y
STBY
STBY
TROPEN
TROPEN
TRCLOSE
TRCLOSE
TRIN
TRIN
TROUT
TROUT
T-
T-
T+
T+
F-
F-
F+
F+
SL-
SL-
SL+
SL+
SP-
SP-
SP+
SP+
FOSO
FOSO
TRSO
TRSO
FMSO
FMSO
DMSO
DMSO
V1P4
V1P4
SERVO I/F
IO_USB
IO_USB
USB_DP
USB_DP
USB_DM
USB_DM
USB I/F
URST#
URST#
MIX
RGB_SWITCH
RGB_SWITCH
HSYNC#
HSYNC#
VSYNC#
VSYNC#
16:9A
16:9A
16:9B
16:9B
SCART
I/F