Text preview for : sch1_2.pdf part of Panasonic SA-AK77 SA-AK77
Back to : SA-AK77.RAR | Home
SCHEMATIC DIAGRAM -1
: +B SIGNAL LINE : +B SIGNAL LINE : CD SIGNAL LINE
CD SERVO CIRCUIT
OPTICAL PICKUP CIRCUIT
3.2V
R701 4.7
C701 6.3V33
Q701
2SA1037AKSTX
LASER POWER DRIVE
29
30
LASER DIODE
6 8 11 12 10 5 4 9
C
NBOUT
CN701
1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Q701
VCC PDF PDE LD GND GND NB GND NA VREF LPD GND TT+ FF+
C751 0.1 C750 0.1
0.9V ((2V))
C703 6.3V100
2.7V ((2.3V))
C
2 3 4
C704 0.1
C706 2700P
LD
1 GND
8
5
R750 4.7 C714 6.3V100
2.7V((2.3V)) 0.9V((1.4V)) 0V((0.2V))
C702 0.1
2 VCC GND 7 3 BIN
NAOUT
C
6 7 8 9 10 11
C707 0.027
0V((3.1V))
PDOWN LDON
6
C713 0.1
1.6V 1.6V 1.6V 3.2V 1.6V 1
PDE
0.7V
2 3
C
2
PDF
3
VCC
4
PDA
5
PDB
6
LPD
7
LD
8
RF
9
RFIN
10 11 12 13 14
BDO CEA CSBRT GND
C
12 13 14 15 16
IC701
FEOUT FEN
ENV
TEN
28 27 26 25 24 23 22 21 20 19 18 17 16 15 1.6V 0V((3.2V)) 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 0V
C747 180P R744 120K C712 0.1 C711 0.1 C749 2200P
C710 120P R702 R705 10K 150K
C742 0.027
R708 22K
R707 39K
R706 1K
33
IC703 FOCUS COIL/ TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIVE
AN8739SBE2
NC
R704 1K
NC
NC
SERVO AMP
FBAL
VREF
/RFDET
TEOUT
TBAL
OFTR
AN8885SBE1
IC701
0V
4 AIN VREF 5
1.9V
1.6V
28
3.3V((3.5V))
3.3V((3V))
3.3V((3V))
7.3V
3.3V
7.3V
1.6V
1.6V RSTIN NC
7.3V
PGND2
PVCC2
VREF
15 16 17 18 19 20 21
D3+ D4+ D3D4NC
VCC
NC
IN4
C735 0.1
PGND1
IC703
PVCC1
IN3
3.3V
1.6V
3.3V((3.5V))
3.7V((3.5V))
3.7V((4.1V))
3.2V((0V))
1.6V
1.6V
1.6V
C734 10V220
14 13 12 11 10
9
8
GND 30
/RST
PC2
D2+
D1+
D2-
D1-
IN1
IN2
NC
NC
NC
NC
29 GND
22 23 24 25 26 27 28
1.6V
7
6
5
4
3
2
1
R736 100
36
C737 0.1 M M702 SP MOTOR
35
R735 100 R724 18K
R725 390
C752 1000P
C738 0.01
C739 1500P
C715 2700P
R715 1K
R729 3.9K R727 3.9K R749 4.7K
R728 3.9K
38
C736 0.1 M M701 TRV MOTOR
37 R723 6.8K R731 6.8K
SCHEMATIC DIAGRAM - 2
: +B SIGNAL LINE : +B SIGNAL LINE : CD SIGNAL LINE
CD SERVO CIRCUIT
20 18
19
23 R717 1K
R721 100
C725 1000P
C727 50V1 22
C726 1000P
21 C728 50V1
R718 1K
C731 6.3V220 C730 0.1 C754 470P LCH OUT
C732 6.3V220 C733 0.1
CN702
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
A.GND 17
C753 470P
RCH OUT +3.3V D.GND
C743 0.1
3.2V
1.5V
1.5V
2.9V
2.9V
3.2V
3.2V
3.2V
C723 10V220
IPFLAG /CLDCK RESY BYTCK FCLK CLVS CRC DEMPH FLAG
LD SW TX +7.5V P.GND MCLK MDATA MLD
/TEST
IOVDD
OUTL
IOSEL
AVSS1
AVDD1
OUTR
MSEL
RSEL
PSEL
SSEL
C724 0.1
3.2V 1.5V 1.5V
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
8
7
6
4
60 VDD
BCLK 1 LRCK 2
59 X2 OUT 58 X1 IN 57 VSS 56 SBCK 55 SUBC 54 VCOF2
SRDATA 3 DVDD1 4 DVSS1 5 TX 6 MCLK 7 1.6V 3.2V 0.5V 3.2V
X701 RSXZ16M9M08T R714 0
C722 10P C721 10P
SPEED BLKCK SQCK R753 10 11 10 9 3 SUBQ STAT /RST REST SW
TO PANEL CIRCUIT (CP606) ON SCHEMATIC DIAGRAM-8
53 PCK 52 EFM 51 AVSS2
3.2V
50 AVDD2 49 VCOF
SERVO PROCESSOR DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER
IC702 MN662790RSC
MDATA 8
MLD 9 3.2V SENSE 10 /FLOCK 11 /TLOCK 12 BLKCK 13 0V SQCK 14 0V((0.2V)) SUBQ 15 3.2V((3.1V)) DMUTE 16 STAT 17 0V((3.1V)) /RST 18 SMCK 19 3.1V
C744 C718 R711 C717 5600P 0.22 82K 0.1 R709 47K
R712 220 R741 47K
48 PLLF 0.5V
1.6V 47 DSLF 1.6V
46 DRF
C716 820P R742 220K
1V 45 IREF 44 ARF 1.6V 43 WVEL
/RFDET TRCRS RFENV
C745 1000P
LDON
VDET
VREF
TBAL
FBAL
KICK
ECM
BDO
FOD
ECS
TRD
OFT
TVD 1.6V
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 0V 0V((3.2V)) 0V((3.2V)) 3.2V((0V)) 1.6V 1.6V 1.6V 1.6V 0V
TRV
DSLF2 1.5V 42 PLLF2 41
CSEL 20
PC
TE
FE
S701 RESET SW
TJ702
16
15
1