Philips MCD120 Service Manual page 14

CIRCUIT DIAGRAM - DVD BOARD
PART 2
U? U?
DVCC
LED3751G LED3751G
BC? BC? BC? BC?
+ +
EC8 EC8
104 104 104 104
100UF16V 100UF16V
GND
U14 U14
51K 51K
R24 R24
1
OSC
10K 10K
R30 R30 F_DAT
2
DI/O
10K 10K
GND DVCC R31 R31 F_CLK
3
CLK
10K 10K
R32 R32 F_STB
4
STB
5
K1
DVCC
6
K2
7
VDD
8
SG1/KS1
9
SG2/KS2 SG14/GR5
10
SG3/KS3 SG13/GR6
NC NC
R33 R33
11
SG4/KS4 SG12/GR7
SG6
12
SG5/KS5 SG10/KS10
SG5
13
SG5/KS6
SG4
14
SG7/KS7
GND
ET6202 (SOP28) ET6202 (SOP28)
S2 S2
S1 S1
close/open close/open
STB STB
7 - 2
STBLED R17 R17
R12 R12
EC34 EC34
10K 10K
10uF/16V 10uF/16V
28
GND
GND
GR1
27
GR1
GR2
26
GR2
25
GND GND
GND
GR3
24
GR3
DVCC
GR4
23
GR4
22
GND
GND
21
VDD
GR5
20
IR/SENSOR IR/SENSOR
GR6
19
GR7
18
SG1
17
SG2
16
SG9/KS9
SG3
15
SG8/KS8
F_IR
play/PAUSE play/PAUSE
FCO
S4 S4 S6 S6
S3 S3 S5 S5
STOP STOP VOL- VOL-
VOL+ VOL+
TR_B1
REG03
VREF2
C30 C30
0.1uF 0.1uF
RFGND
M+5V
M+5V
BC3 BC3 BC4 BC4
0.1uF 0.1uF 0.1uF 0.1uF
RFGND
+5V
R11 R11
1K 1K
D6 D6
2 1
Q9 Q9
STANDBY
470 470 2N3906 2N3906
CN9 CN9
F_CLK
1
F_STB
2
3
F_DAT
4
F_IR GND
5
6
DVCC
STBLED
7
IR1 IR1
IR/VFD/2.0 IR/VFD/2.0
DVCC
R169 R169
100R 100R
R170 R170
4.7K 4.7K
C81 C81
0.1uF 0.1uF
U3 U3
AM5888 AM5888
DIP28-SSOPH DIP28-SSOPH
GND
1
VINFC
2
CFCerr1
3
CFCerr2
TCO
26
VINTK
27
BIAS
TR_B3
25
CTKerr1
24
CTKerr2
AM5888 AM5888
SPDCO
4
VINSP
SCO
23
VINSL
21
VCTL
TRAY+
6
FWD
TRAY-
7
REV
8
M+5V
Vcc1
19
Vcc2
EC6 EC6
100uF/16V 100uF/16V
RFGND
RFGND
7 - 2
CN1 CN1
SLED+
1
SLED-
2
3
HOME
4
RFGND
FOC+ SP+
14 5
VOFC+
6 SP-
FOC-
13
VOFC-
JST-CON6-2 mm JST-CON6-2 mm
REG01
5
VNFFC
CN11 CN11
LOAD-
5
LOAD+
RAD+ 4
15
VOTK+
3 TRAYOUT
RAD- 2 RFGND
16
VOTK-
1 TRAYIN
20
VNFTK
SP+SNSR R55 R55 1 1 SP+ XOPVIP1
12
VOSP+
SP- XOPVIN1
11
VOSP-
SLED-
17
VOSL+
SLED+
18
VOSL-
28 DMEA
STBY
LOAD-
9
VOLD-
LOAD+
10
VOLD+
FOC+
FOC+ 2
FOC-
FOC- 2
RAD+
2 RAD+ 2
RAD-
RAD- 2
TCO
TCO 2
FCO
FCO 2
SCO
SCO 2
SPDCO
SPDCO 2
TRAY-
TRAY- 2
TRAY+
TRAY+ 2
DMEA
DMEA 2
2 TRAYOUT
TRAYOUT 2
TRAYIN
TRAYIN 2
2 HOME
HOME 2
XOPVIP1
XOPVIP1 2
XOPVIN1
XOPVIN1 2
VREF2
VREF2 2
TR_B1
TR_B1 1
TR_B3
TR_B3 1
REG01
REG01 1
REG03
REG03 1