Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio PANASONIC SA-AK48
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SCHEMATIC DIAGRAM-1
NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
A CD SERVO CIRCUIT :POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE
3.3V
5V
OPTICAL PICKUP 3.3V
PLAY
R701
6.3V33
C701
4.7
(RF)
0.1
0.8V
Q701 P-P TJ701
(3V) TP29
2SA1037AKSTX 3.2V (2.3V) C716
Vcc CN701 LASER POWER 2.7V 0.5 0.2V/DIV.
*s. 820P
1 1 DRIVE
680P
680P
0.047
1K
1.1V 5V
6.3V100
8 PDF IC701
C704
A (2V)
C703
2 2
0.1
AN8839NSBE2
0.027
2700P
C707
C706
C702
0.1
3 PDE SERVO AMP
3 3 B D
LD E B
11 LD
4 4 C
A A
12 GND
5 5 B
2 GND (0.2V) (2.3V) (1.4V) (3.2V)
6 6 1.6V 1.6V 3.3V 1.6V 1.6V 0V 2.7V 0.9V 0.7V 1.9V 1.6V 0V 0V
1 2 3 4 5 6 7 8 9 10 11 12 13 14
10 NB
7 7
CSBRT
RFIN
LDON
Vcc
LPD
BDO
GND
LD
RF
CEA
PDF
PDA
PDB
PDE
C
5 GND
8 8 D
4 NA
PDOWN
E
/RFDET
9 9
FEOUT
TEOUT
OFTR
VREF
FBAL
TBAL
ENV
FEN
TEN
NC
NC
NC
9 VREF
10 10
28 27 26 25 24 23 22 21 20 19 18 17 16 15
6 LPD
11 11 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 0V 3.2V
(0V)
GND C712 C747 C710
12 12 0.1 180P 120P
T+ PLAY
1 2 3 4 13 13 0.3V
R702
R705
150K
C711 R744
10K
P-P
GND
Vcc
BIN
AIN
T- 0.1 C749 120K C742
14 14 2200P 2ms. 0.1V/DIV. 0.027
F+
15 15
NBOUT
NAOUT
R708
R707
R706
C751 C750
R704
VREF
22K
39K
1K
GND
1K
F- 0.1 0.1
16 16
8 7 6 5 TP42 TP40 TP33 TP32
D C B A I H G F E D C
0.1
PLAY
0.1V
TRACKING VREF P-P
COIL 2ms. 0.1V/DIV.
6.3V100
C713
FOCUS
C714
0.1
COIL
IC703
R736
AN8739SBE2
100
FOCUS COIL/
TRACKING COIL/
B A D C TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE B A
(0.4V) (0.6V)
0V 0V 0V 0V 0V 7.5V 7.5V 1.6V 1.6V 1.6V
14 15 16 17 18 19 20 21 22 23 24 25 26
D3-
D4-
PGND2
PVcc2
RSTIN
VREF
D3+
D4+
GND
Vcc
IN4
IN3
NC
NC
NC
PGND1
PVcc1
/RST
GND
PC2
D2+
D1+
D2-
D1-
IN1
IN2
NC
NC
NC
NC
TP36
13 12 11 10 9 8 7 6 5 4 3 2 1 A B
A 0V 0V 0V 0V 7.5V 1.6V 1.6V 3.2V 1.6V 1.6V
(0.1V) (0.7V) (0.7V) (0V)
M702
C737
R729
R727
3.9K
M
0.1
3.9K
SPINDLE
MOTOR A B D C R725 C715
B 390 2700P
A
TP35
1500P
C739
1000P
R723
R735
R724
R715
C738
6.8K
0.01
C752
18K
100
1K
TP38 R728
3.9K
C B
R749 4.7K
C
M701
C736
M D
0.1
TRAVERSE
10V220
C734
C735
MOTOR E
0.1
D F
R731 6.8K
G
TP37
7.7V
7.4V
SCHEMATIC DIAGRAM-2
:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE
3.3V
3.3V
TP18 TP20
R721
100
R717 C727 TP23
1K 50V1
A
1000P
PLAY
C725
C731
6.3V220 2.2V
P-P
C730 1kHz, 0dB
1000P
C726
0.1 R718 C728 TP21
1K 50V1
C754
470P
B
3.2V
6.3V220
10V220
C723
C724
C733
C732
0.1
0.1
3.2V
1.5V
1.5V
3.2V
3.2V
3.2V
3V
3V
2.1V
P-P
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
F=16.9344MHz
IOVDD
DEMPH
IOSEL
RESY
/CLDCK
IPFLAG
AVDD1
BYTCK
/TEST
AVss1
FCLK
FLAG
CLVS
OUTL
OUTR
RSEL
PSEL
MSEL
SSEL
CRC
3.2V
60 VDD BCLK 1
1.6V
59 X2 OUT PLAY LRCK 2
(16.9344MHz)
1.6V 0.8V 3.2V
C722 58 X1 IN SRDATA 3
10P P-P 3.2V
X701
57 Vss DVDD1 4
0V
56 SBCK F=16.9344MHz T 13.3ms. DVss1 5
0V
55 SUBC PLAY TX 6 I
3.2V 3.2V
54 VCOF2 MCLK 7 H
0V
R714
53 PCK MDATA 8 G
C721 0V 3.2V
T 13.3ms.
0
52 EFM MLD 9 F PLAY
10P IC702 3.2V
51 AVss2 SENSE 10
3.2V MN662790RSC
50 AVDD2 SERVO PROCESSOR/ /FLOCK 11
C718 R712 0V
49 VCOF DIGITAL SIGNAL PROCESSOR/ /TLOCK 12 T 13.3ms.
0.22 220 (1.2V) 0V DIGITAL FILTER/ 0V
48 PLLF BLKCK 13 E
R711
D/A CONVERTER
82K
1.6V 3.2V
47 DSLF SQCK 14 D
R741 47K 1.6V PLAY 0V
46 DRF PLAY SUBQ 15 C
1V 3.2V
45 IREF 0.8V DMUTE 16
1.6V P-P 0V (3.1V)
44 ARF 0V STAT 17 B
R709 R742 F=75Hz 3.2V
43 WVEL /RST 18
C717
68K 220K 0.5 s. 0.2V/DIV. A
0.1
1.5V
1000P
C745
42 DSLF2 SMCK 19
8200P
C744
PLLF2 CSEL
/RFDET
41 20
TRCRS
RFENV
LDON
VDET
VREF
TBAL
FBAL
KICK
ECM
BDO
FOD
TRD
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