Philips MCD122 Service Manual page 20

8-2
Decoder Board -- Circuit Diagram -- Part2
EMC
Close to CN201
DSPVCC33
R38 R38 + EC6 + EC6
C54 C54 C55 C55 3.3R 3.3R
220uF/6.3V 220uF/6.3V
NM NM NM NM
[470pF] [470pF] [470pF] [470pF]
Q1 Q1
1
BT2907 BT2907
DSPVCC33
TP24 TP24
CN201 is used for Sanyo/Samsung/Sony OPUs
R45 R45 + EC7 + EC7
3.3R 3.3R 220uF/6.3V 220uF/6.3V
CN3 CN3
24Pin OPU connector 24Pin OPU connector C58 C58 C59 C59
1nF 1nF 1nF 1nF Q2 Q2 R49 R49
1
24 BT2907 BT2907
GND-LD
23 DVDLD
DVD-LD
22 R50 R50
TP23 TP23
NC
OPU_HFM
21
HFM
20
MD TP22 TP22
19 CDLD C60 C60
CD-LD
VR_DVD 1nF 1nF
18
TP20 TP20
VR-DVD
VR_CD
17
TP21 TP21
VR-CD
TP26 TP26
16
NC
15 E
RF_E
E
OPU5V L1 L1 10uH 10uH
14
VCC
VC1 R51 R51 33R 33R 2.1V
13
VC(VREF) VC
12
GND/PD
11 F
RF_F
F
B
10
RF_B
B
A
9
A RF_A
8
RF
RF
7
CD/DVD_SW
D
6
RF_D
D
C
5 RF_C
C
4 TACT-
T- TP6 TP6
TACT+
3
TP7 TP7
T+
FACT+
2
F+ TP8 TP8
FACT-
1
F- TP9 TP9
TP25 TP25 TP14 TP14
C61 C61 C62 C62
0.1uF 0.1uF 0.1uF 0.1uF + EC9 + EC9
47uF/16V 47uF/16V
DSPVCC33
CN5 CN5 R57 R57
6 SL_MOT- 4.7K 4.7K
SLED-
5 SL_MOT+
SLED+
HOMESW
4
HOMESW
3
GND
2 SP_MOT+
SP+
SP_MOT-
1
SP-
6P/2.0 6P/2.0
C68 C68 C69 C69 C70 C70 C71 C71 C72 C72
33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF
For EMI,Close to CN203
CN6 CN6
LOAD-
1
LOAD+
LOAD+
2
LOAD-
3 IN_OUT_SW
OUTSW IN_OUT_SW
4
GND
INSW
5
INSW INSW
5P/2.0 5P/2.0
All manuals and user guides at all-guides.com
In servo 3.3V power supply circuit:
R38,EC6,C56,R45,EC7
OPU
need to be closed up when do
Sony310
layout
C56 C56
DL3
0.1uF 0.1uF
IAT510
TOP1100S
SEMCO-SP1
R40 R40 220R 220R
LD_DVD
MITSM820W
HD8(DV23)
OPU HD65PS Others HOP1200W
R38: 3.3R 4.7R HD65/HD62
R45: 3.3R 4.7R 502W
Arima681
OPU
220R 220R HOP1200W
LD_CD
R50=300R, for HOP1200W only
Arima681
Others
0R [300R] 0R [300R]
RFA5V
+ +
EC8 EC8
220uF/6.3V 220uF/6.3V
RFA5V
R52 R52 PDIC Control:
3.3K 3.3K DVD=LOW
CD=HIGH
CD_DVD
CD_DVD
FOCUS_S
3V3_DRV
1V8_FB
SLED_S
3V3_FB
OPEN
OPEN
CLOSE
CLOSE
M5V
LOAD-
+ +
EC10 EC10 C63 C63 LOAD+
220uF/6.3V 220uF/6.3V 0.1uF 0.1uF
SL_MOT+
SL_MOT-
FACT-
FACT+
+ +
EC14 EC14
220uF/6.3V 220uF/6.3V
HOMESW
HOMESW
3V3_DRV 1
DSPVCC33
+ EC11 + EC11 + EC4 + EC4
100uF/10V 100uF/10V 100uF/10V 100uF/10V
3V3_FB
Motor driver R63
CD5888(1.18V) 1K 1%
AM5888
R41 R39
100R 100R
MD_DVD
0 0
MD_CD
100R 100R
R39 R39
10R 10R 0R 0R
[NM] [NM] R41 R41
0 0
0R 0R
91R 91R [NM] [NM]
VR_CD
0 0
NM NM VR_DVD
0 0
91R 91R
R46 R46 R47 R47
NM NM
NM NM NM NM
[91R] [91R] [91R] [91R]
R46 R47
100R 100R
100R 100R
NM NM
U4 U4
CD5888CB(1.18V) CD5888CB(1.18V)
1 28
VINFC STBY DRVSB
2 27 VC2
CFCERR1(TRB_1) BIAS
TRACK_S
3 26
CFCERR2(REGO2) VINTK
4 25 1V8_DRV
VINSL+ CTKERR1(TRB_2)
5 24
VINSL-(REGO1) CTKERR2(NC)
6 23 SPDL_S
VOSL(FWD) VINLD
7 22
VNFFC(REV) PREGND
M5V
8 21
VCC PVCC2
9 20
PVCC1(LOAD-) VNFTK(NC)
10 19
PGND(LOAD+) PGND(VCC2)
SP_M-
11 18
VOSL-(VOSL+) VOLD-
12 17 SP_MOT+
VOSL+(VOSL-) VOLD+
TACT-
13 16
VOFC- VOTK-
14 15 TACT+
VOFC+ VOTK+
M5V
FB25 FB25
FB/0805 FB/0805
D2 D2 S8050/S8550
HER204 HER204
D3 D3 1N4001 1N4001
1 2
Q3 Q3 1V8_DRV 1 Q4 Q4
SS8550 SS8550 SS8550 SS8550
DSPVCC18
Q210, 211 must have
R61 R61
R60 R60 430R(1%) 430R(1%) enough large pads
1.8K(1%) 1.8K(1%)
for thermal spreading
. 1 1 8 V . 1 1 8 V
1V8_FB
R63 R63 R64 R64
1.1K(1%) 1.1K(1%) 1K(1%) 1K(1%)
R60 R61
1.8K 1% 510R 1%
1.2K 1% 2K 1% 430R 1%
8-2
BEMF
Current Type(Default)
R42 R42 2K 2K
SP_M- SPDL_SENS-
SPDL_SENS-
D1 D1
DSPVCC33
2
R43 R43 R44 R44 C57 C57
2.2R 2.2R 2.2R 2.2R 0.1uF 0.1uF
3
1
BAT54C BAT54C
R48 R48 2K 2K
SP_MOT- SPDL_SENS+
SPDL_SENS+
Close to Vaddis!
FOCUS_S R53 R53 51K 51K
FOCUS_PWM
TRACK_S R54 R54 51K 51K
TRACK_PWM
SPDL_S R55 R55 22K 22K
SPDL_PWM
SLED_S R56 R56 51K 51K
SLED_PWM
C64 C64 C65 C65 C66 C66 C67 C67
1nF 1nF 1nF 1nF 27nF 27nF 27nF 27nF
Close to motor driver.
DSPVCC33
R58 R58 R59 R59
1K(1%) 1K(1%) 33K 33K
VC2
R62 R62
C73 C73 1K(1%) 1K(1%) C74 C74
0.1uF 0.1uF 0.1uF 0.1uF