Philips PET944 Service Manual page 22

5
7.0 ELECTRICAL DIAGRAM
CIRCUIT DIAGRAM-SERVER
D
FB1 FB600R
RFVCC
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
DVDLD
10
LD-DVD
DVDMDI
11
MD
VR_CD CDMDI
12
VR-CD
13 VR_DVD R78 0R
VR-DVD
CD-F
C 14
E
15
Gnd-PD
16 VREF25/21
Vc-PD
17
Vcc-PD
CD-E
18
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
24 DVD-A
A/a
SGND PIN 1 SGND
+5V
+5V
1
+3.3V
+3.3V
1
5VM
5VM 2
L25
+5V
100UH
+3.3VS
+3.3V L27
EC26
470u/6.3V
FB600R
B
CON2/P1.25
SLED+
2
SLED-
1
J6
SFOCUS
2 SFOCUS
C98 220P R93
SSLED R96 24K
2 SSLED
C103
L24 FB600R
R98
5VM
20K 4700P
SLED-
SLED+
FOCUS- R100 1
R102 1
FOCUS+
EC29
A
100u/10V
5
4
RF
DVD-D
DVD-C
DVD-B
DVD-A
CD-F
CD-E
VREF25/21
+3.3V
DVDMDI
CDMDI
LDON
2 LDON
R55
100
VREF25/21
RFVCC
D10
2.1V
R80
15
MGND
Q15
8550
L26
DVDLD
10uH/0805 RFVCC
C10
100P
R86
SGND
15
Q25
8550
5VM
+
C92
0.1uF
L28
CDLD
10uH/0805
MGND
C219
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
VCC_5V VCC_5V
7 22
VNFFC PREGND
8 21
VCC PVCC2
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
C106 C107
SOP
C105
+
0.1uF 0.1uF
0.1uF
MGND MGND
SGND
4
3
RFVCC
L23 FB600R
+5V
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
C83 + EC22 C84 CT901A
0.1uF 10uF/10V 0.1uF
SGND SGND
SGND
+ EC25
100u/10V
R83 1K
1
C91
1000P
EC27
+
100u/10V
R87 1K
1
C94
1000P
Place Close
5VM
SSPDON
SSPDON
33 A3
VREF165
STRACK
C100 220P A2
A1
H1+
C97 0.1uF
H1-
10
H2+
11
C101 0.1uF
12
R101 1 H2-
13
R103 1 TRACK- H3+
14
C102 0.1uF
TRACK+ H3-
R104
47K
MGND
MGND
3
2
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 C90
+ +
12K/1% 0.1uF 10uF/10V 0.1uF 10uF/10V 1000P 680P 1500P 330P
SGND
RFVCC
VR_CD
Q14
SSN00206M
1 R81 100K
SGND
CD/DVD
VR_DVD
Q17
SSN00206M
1 R85 100K SGND
SGND
FB2
FB3 FB100/0805
FB100/0805 C95 TC2
C96
0.1uF
0.1uF
100u/10V
MGND
MGND
BA6849FM
U8
1 28
NC RNF
2 27
A3 VM1
3 26
NC VM2
4 25
A2 VCC
FG
5 24
FG
NC FG
6 23 SSPDON
NC PS
SMOTOR
7 22
SMOTOR
A1 EC
8 21 R92 33 MVREF2
GND ECR VREF165
9 20
H1+ FR
C99 0.1uF
19
H1- NC MGND
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
C
R82
10K
Q16
3904
R84 10K CD_DVDSW
1
CD_DVDSW 8
Hi : DVD
Lo : CD
B
5VM
R91
220
JK5
HOMESW
1
2 2 HOMESW
SW
2
SW
H-
3
2
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