Philips VAD8031 Service Manual page 21

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Electrical Diagrams and Print-Layouts
Servo Board: Centaurus Part 1 (Left page)
1
2
3
A
B
I512
4502
A3V3
2503
I513
220n
3500
I503
MOTO1
5K6
T1
C
RFN3
RFP3
3560
I507
RFREF
100R
2550
10n
I508
2504
PPNO
1n0
D
EFM-DATAN
3503
4K7
3504
4K7
EFM-DATAP
EFM-CLKN
EFM-CLKP
MOTOR-ON
E
HIGHPOWER
SINPHI
COSPHI
AUXPW
XDN
3507
I514
A1
F
1K
2505
10n
3508
I516
A2
1K
2506
10n
3509
I518
CALF
1K
2507
6n8
OSTR
D1_TILTN
G
D2_TLN
D3_REN
D4_FEN
S1_MIRN
3579
3514
3501
22K
100K
A3V3
4K7
VRIN
2562
3502
FTC
H
2509
2K7
47n
I527
470p
3517
RA
3574
10K
SL
2577
10K
I530
3519
FO+
6n8
2511
10K
470p
3578
TRAY-INOUT
I
2579
3K3
100n
REFSIN
REFCOS
I532
FO-
I535
TOSTOCEN
1
2
3
VAD 8031
7.
4
5
6
D1V8
DEBUG(0:13)
7500
SAA7850-M1
L5
VSSa1
M5
VDDa1
J5
VSSa2
K5
VDDa2
G5
VSSa3
H5
VDDa3
U7 MOTO1
T7
T1
N1 HFIN_N
N2 HFIN_P
N3 VCOM
M1 WIN
2561
I515
M2 WREFLO
47n
U8
EFMDATN_LASERON
T8
Left page
EFMDAT
U9 EFMCLKN
T9
EFMCLK
R6 GPIO30_LDGR
I545
R7
GPIO31_HRW
J4
SINPHI_PCSA
J3
COSPHI_PCSB
J2
AUX_PW
4525
J1
XDN
I517
3575
H4 ACT_EMFP
I519
1K
3576
H3 ACT_EMFN
1K
H2 A1
H1 A2
G1 CALF
2536
I520
G2 UOPB
2540
I521
100n
100n
I522
3510
3511
6K8
6K8
3512
3513
6K8
6K8
3547
3515
D3V3
330K
100K
3516
I531
24K
3520
L503
10K
3577
10K
4
5
6
21
7
8
9
{AUXPW,TOSTOCEN,MRN,HIGHPOWER,RX2,OSC_IN,PORN,FO-,REFCOS,REFSIN,FO+,SL,RA,FTC,S1_MIRN,D1_TILTN,D2_TLN,D3_REN,D4_FEN,OSTR,CALF,c
I504
I505
5501
5502
D3V3
part 1 of IC 7500
CENTAURUS
7
8
9
10
11
TR 15006aa_001
170903
10
11

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