Philips PET744 Service Manual page 17

5
7.0 ELECTRICAL DIAGRAM
CIRCUIT DIAGRAM-SERVER
FB1 FB 600R
D
RFVCC
+5V
FB 600R
C71
0.1uF
SGND
SGND
JK4
24PIN
1
NC
2
NC
TRACK-
3
T-
FOCUS+
4
F+
FOCUS-
5
F-
TRACK+
6
T+
7
Gnd-LD
CDLD
8
LD-CD
9
Gnd-LD
10 DVDLD
LD-DVD
DVDMDI
11
MD
VR_CD CDMDI
12
VR-CD
VR_DVD R78 0R
13
VR-DVD
CD-F
14
E
15
Gnd-PD
16
Vc-PD VREF25/21
17
Vcc-PD
18 CD-E
F
DVD-C
19
C/c
DVD-D
20
B/b
21 CD/DVD
Sw-CD/DVD
RF
22
RF
DVD-B
23
D/d
DVD-A
24
A/a
C
SGND SGND
PIN 1
+5V
+5V 1
L25
+3.3V
+3.3V +5V
1
100UH
5VM
5VM
2 EC26
100u/10V
MGND
L27
+3.3V +3.3VS
FB 600R
EC28
+
100u/10V
B
SGND
SLED+ SLED+
SLED- SLED-
SFOCUS
2 SFOCUS
C98 220P R93
SSLED R96 24K
2 SSLED
C103
R98
5VM
4700P
20K
SLED-
SLED+
FOCUS- R100 1
R102 1
FOCUS+
EC29
A
100u/10V
5
4
RFVCC
RF
L24
C67
C68
EC21 +
100u/10V 0.1uF
0.1uF
SGND
DVD-D
DVD-C
DVD-B
DVD-A
CD-F
CD-E
+3.3
VREF25/21
R55
DVDMDI
330
CDMDI
LDON
2 LDON
VREF21
D10
2.1V
MGND
R80
15
5VM
+
C92
0.1uF L26
DVDLD
10uH/0805
C10
100P
R86
SGND
15
Q25
8550
L28
CDLD
10uH/0805
C66
100P
SGND
R90 12K
U9
1 28
VINFC STBY
10K R94
2 27
CFCERR1 BIAS
STRACK
3 26
CFCERR2 VINTK
R95
4 25
VINSL+ CTKERR1
10K
5 24
VINSL- CTKERR2
6 23
VOSL VINLD
7 22
VNFFC PREGND
8 21
VCC PVCC2 5VM
9 20
PVCC1 VNFTK
10 19
PGND PGND
11 18
VOSL- VOLD-
12 17
VOSL+ VOLD+
13 16
VOFC- VOTK-
14 15
VOFC+ VOTK+
AT5654
C105
C106 C107
SOP
+
0.1uF
0.1uF 0.1uF
MGND MGND
SGND
4
3
RFVCC
L23
+5V
FB 600R
EC20 C65 C66
+
100u/10V 0.1uF 0.1uF
SGND
C69 1000P
U7
1 48
RFAC BYP
C72 680P
2 47
VPA DIN
3 46
AIP DIP
C74 680P 4 45
AIN FNP
5 44
A2 FNN
C76 680P
6 43
B2 VNA
7 42
C2 RX
C77 680P
8 41
D2 SDEN
9 40
CP SDATA
C78 100P
10 39
CN SCLK
11 38
D V33
12 37
C MNTR
13 36
B FE
14 35
A TE
15 34
CD-F PI
16 33
CD-E V165
17 32
VPB PIO
18 31
VC MIN
19 30
VNB MLPF
20 29
DVDLD DB
21 28
CDLD MB
22 27
DVDPD MP
23 26
CDPD DFT
24 25
LDON MIRR
+ EC22
C83 C84
CT901A
10uF/10V
0.1uF 0.1uF
SGND SGND
RFVCC
+ EC25
100u/10V
Q15
8550
R83 1K
2
C91
1000P
RFVCC
+ EC27
100u/10V
2 R87 1K
C94
1000P
Place Close
1
A3
2
3
A2
4
5
6
A1 7
H1+
8
SSPDON C97 0.1uF 9
SSPDON
33 H1-
10
VREF165
H2+
11
STRACK
C100 220P C101 0.1uF
12
H2-
13
H3+
14
C102 0.1uF
H3-
R101 1
R103 1 TRACK-
TRACK+ MGND
R104
47K
MGND
3
2
R18 NC
C70 0.1uF
RFVCC
C73 0.1uF
C75 0.1uF
+3.3VS
R77 3.3K
VREF165
C79 150P
RFVCC
C80 1000P
C81 2200P
C82 0.1uF
MIRR
R79 C85 + EC23 C86 + EC24 C87 C88 C89
12K/1% 0.1uF 10uF/10V 0.1uF 10uF/10V 1000P 680P 1500P
SGND SGND
RFVCC
VR_CD
Q14
SSN00206M
R81 100K
2
SGND
CD/DVD
VR_DVD
Q17
SSN00206M
R85 100K SGND
2
5VM
FB2 SGND
FB100/0805
FB3 FB100/0805
C95 TC2
C96
0.1uF
0.1uF
100u/10V
MGND
MGND
U8 BA6849FM
28
NC RNF
27
A3 VM1
26
NC VM2
25
A2 VCC
FG
24
NC FG FG
SSPDON
23
NC PS
22 SMOTOR
A1 EC SMOTOR
R92 33 MVREF2
21
VREF165
GND ECR
20
H1+ FR
C99 0.1uF
19
MGND
H1- NC
18
H2+ SB
17
H2- CNF
16
H3+ NV
R97 220 H-
15
H3- VH
C104 R99
100K
0.1uF
MGND
2
1
RFO
RFO 2
D
RF_SDEN
RF_SDEN 2
RF_SDA
RF_SDA 2
RF_SCK
RF_SCK 2
MNTR
MNTR 2
FEI
FEI 2
TEI
TEI 2
SBAD
SBAD 2
MIRR 2
C90
330P
C
R82
10K
Q16
R84 10K CD_DVDSW
2
CD_DVDSW 8
3904
Hi : DVD
Lo : CD
B
5VM
2
R91
220
2
JK5
HOMESW
1
2 HOMESW
SW
2
SW
H-
3
H-
H3-
4
HW-
H3+ 5
HW+
MGND H2-
6
HV-
H2+
7
HV+
H1- 8
HU-
H1+
9
HU+
10
H+
A1
11
U
A2
12
V
A3
13
W
A
1