Philips DCD322/12 Service Manual page 34

Decoder Board -- Circuit Diagram 2
C42 C43
R31
NM NM
3.3R
[470pF] [470pF]
Q1 1
BT2907
TP3
R38
3.3R
CN2
C46 C47
24Pin OPU connector
1nF 1nF
Q2 1
BT2907
24
GND-LD
23 DVDLD
DVD-LD
22
NC
OPU_HFM
21
HFM
20
MD
TP5
19 CDLD
CD-LD
VR_DVD
18
VR-DVD TP6
VR_CD
17
VR-CD
TP7
16
NC TP8
15 E
E
OPU5V L1 10uH
14
VCC
VC1 R44 33R
13
VC(VREF)
12
GND/PD
11 F
F
B
10
B
A
9
A
8
RF
7
CD/DVD_SW
D
6
D
C
5
C
TACT-
4
T- TP9
3 TACT+
T+ TP10
FACT+
2
TP12
F+
FACT-
1
F- TP14
TP11 TP21
+
C49
C50
0.1uF 0.1uF
EC10
47uF/16V
6 SL_MOT-
SLED-
SL_MOT+
5
SLED+
HOMESW
4
HOMESW
3
GND
2 SP_MOT+
SP+
SP_MOT-
1
SP-
CN3
6P/2.0
C56 C57 C58 C59 C60
33pF 33pF 33pF 33pF 33pF
1
LOAD+
2
LOAD-
OUTSW
3
OUTSW
4
GND
5 INSW
INSW
CN4
STBY5V
5P/2.0
Q5
1
SS8550
R111 390R
S8050
1
CLOSE
Q107
C105 R112
2.2K
470pF
DSPVCC33
+
C44
0.1uF
EC7
220uF/6.3V
R34 220R
LD_DVD
DSPVCC33
+
EC8
220uF/6.3V
R42 220R
LD_CD
TP4
R43 0R [300R]
RFA5V
C48
+
1nF EC9
220uF/6.3V
RFA5V
RF_E
2.1V
VC
R45
RF_F
3.3K
RF_B
RF_A
RF
CD_DVD
CD_DVD
RF_D
RF_C
OPEN-M
CLOSE-M
DSPVCC33
M5V
+ +
EC16 EC11 C51
220uF/6.3V 220uF/6.3V 0.1uF
R50
4.7K
HOMESW
HOMESW
SR1
1
2
P1
R179 1K
CLOSE-SW
R180 47K
R66
2.2R
R74 390R
Q6
1
SS8550
DSPVCC33
S8050 1
OPEN
Q106
R113
C106
2.2K
470pF
12-11
MD_DVD
MD_CD
R32
0R
R35
[NM]
0R
[NM]
VR_CD
VR_DVD
R39 R40
NM NM
[91R] [91R]
U5
CD5888CB(1.18V)
FOCUS_S
1 28
VINFC STBY DRVSB
3V3_DRV VC2
2 27
CFCERR1(TRB_1) BIAS
1V8_FB TRACK_S
3 26
CFCERR2(REGO2) VINTK
SLED_S 1V8_DRV
4 25
VINSL+ CTKERR1(TRB_2)
3V3_FB
5 24
VINSL-(REGO1) CTKERR2(NC)
OPEN-M SPDL_S
6 23
VOSL(FWD) VINLD
CLOSE-M
7 22
VNFFC(REV) PREGND
M5V
8 21
VCC PVCC2
9 20
PVCC1(LOAD-) VNFTK(NC)
10 19
PGND(LOAD+) PGND(VCC2)
SL_MOT+ 11 18 SP_M-
VOSL-(VOSL+) VOLD-
SL_MOT- SP_MOT+
12 17
VOSL+(VOSL-) VOLD+
FACT- 13 16 TACT-
VOFC- VOTK-
FACT+ TACT+
14 15
VOFC+ VOTK+
+5V
FB13
FB/0805
+
D2
EC12
HER204
220uF/6.3V
D3 1N4001
1 2
3V3_DRV Q3 1V8_DRV Q4
1 1
SS8550 SS8550
+ + EC14
EC13 100uF/10V R53 R54
430R(1%)
100uF/10V 1.8K(1%)
1V8_FB
3V3_FB
. 1 1 8 V
. 1 1 8 V
R57
R56
1.1K(1%) 1K(1%)
R33 2K
SP_M-
R36
R37
C45
2.2R
2.2R
0.1uF
R41 2K
SP_MOT-
FOCUS_S
TRACK_S
SPDL_S
SLED_S
C52 C53 C54
1nF 1nF 27nF
S8050/S8550
R51
1K(1%)
DSPVCC18
VC2
C61
R55
0.1uF 1K(1%)
12-11
SPDL_SENS-
SPDL_SENS-
DSPVCC33
D1
2
3
1
BAT54C
SPDL_SENS+
SPDL_SENS+
R46 51K
FOCUS_PWM
R47 51K
TRACK_PWM
R48 22K
SPDL_PWM
R49 51K
SLED_PWM
C55
27nF
DSPVCC33
R52
33K
C62
0.1uF