Philips DVP1120 Service Manual page 26

6-5
5
MAIN Board Electric Diagram for DVP1120/55/93/98:Front end
ESD
D
1
GND-LD
2
LD-DVD
3
NC
4
HFM
5
MD
6
LD-CD
7
VR-DVD
8
VR-CD
9
NC
10
E
11
VCC
12
VC
13
GND-PD
14
F
28 15
NC B
16
A
27 17
NC RF
C 18
CD/DVD
26 19
NC D
20
C
25 21
NC T-
22
T+
23
F+
24
F-
CN2
SF-HD6B/0.5mm,24P TOP
B
CN4
SLED+
SLED-
GND
HOMESW
SP+
SP-
SLED & SPINDLE
A
5
4
DSPVCC33
C85
R43 + EC10 10nF
4.7R
47uF/16V
C52 C53
NM NM
1uF 1uF
Close to CN2 Q2 R44 220R
LD_DVD
9012
DSPVCC33
R45 + EC11
4.7R
47uF/16V
C54 C42 C55
NM NM NM
1nF 1nF 1nF
Q3 R46 220R
LD_CD
9012
DVDLD R47
NM
0R
RFA5V
C56
CDLD NM
VR_DVD 1nF + EC12
VR_CD 100uF/16V
RF_E
RFA5V
OPU5V L2 10uH
VC1 R48 33R 2.1V
VC
R52
RF_F
3.3K
RF_B
RF_A
RF
CD_DVD
RF_D
CD/DVD Control :
RF_C
TACT-
DVD=LOW
TACT+
CD=HIGH
FACT+
FACT-
C58
C57 0.1uF + EC13
0.1uF
47uF/16V
FOCUS_S
FOCUS_S
SLED_S
SLED_S
TRACK_S
TRACK_S
SPDL_S
M5V
SPDL_S
EC14
DRVSB 220uF/16V
DRVSB
VC2
SP_MOT+
SP_M-
SL_MOT+
SL_MOT-
FACT-
FACT+
TACT-
TACT+
DSPVCC33
R92
4.7K
6 SL_MOT+
SL_MOT-
5
4
HOMESW
3
HOMESW
SP_MOT+
2
SP_MOT-
1
C43
0.1uF
DSPVCC33
R91
10k
INSW/SW1
INSW CN3
INSW 3
2 LIMIT SW
C13
0.1U
4
3
R74
SP_M- 2K
R49
100R R76
VR_CD 1R
MD_DVD
VR_DVD
MD_CD
R75
R50 SP_MOT- 2K
100R
Close to motor driver.
DSPVCC33
R84 R86
1K 1% 33K
VC2
R85
C67
1K 1%
0.1uF
CD_DVD
U7 AM5888S(HSOP-28)
1 28
FOCUS_S VINFC MUTE
VC2
2 27
TR_B1 TR_B1 BIAS
3 26
REGO2 REGO2 VINTK TRACK_S
100pF
4 25
SLED_S TR_B2
VINSL TR_B2
5 24
REGO1 REGO1 NC
OPEN 6 23
FWD VINLD SPDL_S
7 22
CLOSE REV GND
29 30
GND GND
M5V
8 21
VCC1 VCTL
C62
9 20
VOTR- NC
0.1uF
10 19
VOTR+ VCC2
SL_MOT- SP_M-
11 18
VOSL+ VOLD-
SL_MOT+ SP_MOT+
12 17
VOSL- VOLD+
FACT- TACT-
13 16
VOFC- VOTK-
FACT+ TACT+
14 15
VOFC+ VOTK+
M5V
RR2
RR1 Imax=250mA
2.2R
6.8R
DSPVCC33 DSPVCC18
b b
TR_B1 TR_B2
Q4 Q5
SS8550D SS8550D
R70 R72
20K 1% 4.7K 1%
REGO1 REGO2
R71 R73
12K 1% 10K 1%
GND GND
3
2
SPDL_SENS-
SPDL_SENS-
D19
DSPVCC33
2
3
1
BAT54C
SPDL_SENS+
SPDL_SENS+
C13 B4
C42 A2
C43 A4
C52 A1
C53 A1
C54 A2
A2
C55
C56 B2
C57 A2
C58 A2
C62 B3
C63 C2
C67 C2
C85 B1
CN2 A2
CN3 B4
DRVSB
CN4 A3
D19 C1
R66
C63
EC10 B1
1K
B1
EC11
EC12 B2
EC13 B2
EC14 B3
L2 B2
Q2 B1
Q3 B2
Q4 C4
Q5 C4
R43 B1
R44 B1
R45 B1
R46 B2
B2
R47
R48 B2
B1
R49
R50 B1
R52 B2
R66 C2
R70 C4
R71 C4
R72 C4
R73 C4
R74 C1
R75 C1
R76 C1
C1
R84
R85 C2
C1
R86
R91 B4
R92 B3
RR1 C3
RR2 C3
U7 C2
2
6-5
1
D
C
B
A
1