Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-PM28 Viewing SGML_VIEW_DATA ALL SA-PM28E SVC sch1_2
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SCHEMATIC DIAGRAM - 1
CD SERVO CIRCUIT : +B SIGNAL LINE : CD SIGNAL LINE
R701
TJ701
OPTICAL PICKUP UNIT 4.7 C701
6.3V33 Q701 TJ
2SA1037AKSTX C716
LASER POWER DRIVE 680P
Q701 C703
6.3V100
1 VCC 1
2 F 2 C704
GND R754 0.1
E 3 E 3
0.22
5.6
C1 4 LD 4 C714 R742 R743
Vref F 0.47 6.3V100 10K 4.7K
C2
5 LD GND 5
A Vcc 6 GND 6
7 A 7
0.039
0.47
NC B
0.1
GND C713
8 8
1
(GUARD) 0.1
C3
C707
C705
C706
C702
0.22 LPD LD 9 B 9
10 VREF 10
GND LDG
11 LPD 11
VR1 GND
12 (GUARD) 12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
AGC
T-
AGC
13 13
RFIN
EQSW
RFOUT
/RFDET
OFTR
LDON
OFTCONT
BDO
HPFDET
VCC
LPD
LD
3TOUT
HPF-AMP
C751
14 T+ 14 0.1
TRACKING COIL
15 F- 15
C750
IC701
16 F+ 16 0.1 AN22004A-NF
SERVO AMP
FEOUT
TEOUT
EQBST
GCTL
VREF
TBAL
FBAL
FOCUS COIL CN701
GND
FEN
TEN
C
D
A
B
E
F
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
C747 C710
470P 470P
R744
C711 0.1 39K R702 R705
R737 6.8K 4.7K 39K
C712 0.1
R738 6.8K C749 3900P C742
0.047
R708 R707 R706 R704
0 0 1K 1K
32
33
40
42
R729
1K R728 18K
R727
1K R749 18K
R725 R715
330 3.3K
C752 C739 C715
0.018 0.018 0.47
R736
100
15 16 17 18 19 20 21 22 23 24 25 26 27 28
IN4
VREF
IN3
VCC
NC
NC
PVCC2
NC
GND
PGND2
NC
D4+
D4-
D3+
D3-
C738
IC703 0.056
C735
PGND1
PVCC1
0.1
GND
PC1
PC2
D2+
D1+
D2-
D1-
IN1
IN2
NC
NC
NC
NC
C734
10V220 14 13 12 11 10 9 8 7 6 5 4 3 2 1
R735
100
R723 R731
C737 IC703 3.3K 22K
36 0.01 37
BA5948FPE2
M702 FOCUS COIL/
C736 TRACKING COIL/
39 0.1 38 SP MOTOR
TRAVERSE MOTOR/
M701
M SPINDLE MOTOR DRIVE
TRV MOTOR
M
SCHEMATIC DIAGRAM - 2
CD SERVO CIRCUIT : +B SIGNAL LINE : CD SIGNAL LINE
13 14
16
D750
MAZ80560ML
R721
100
R717 C727 19
1K 50V1
C725 18
1000P
R718 C726 C728 17
1K 1000P 50V1
C757
6.3V100
C730
0.1
C731
6.3V220
25
24
23
22
10K
10K
10K
21
1000P
C723
C741
0.082
C718
0.015
6.3V220
20
R761
R762
R763
C755
C740
C744
0.1
19
0.1
C724
R712 25 0.1 R760
820 100 18
LchOUT
17
AGND
100K
16
0.1
RchOUT
R711 15
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
82K +3.3V TO
C717
AVDD2
DVSS3
FLAG
(DRF) RFSW
TMOD2
PLLFO
AVDD1
PLLF
TX
OUTL
IOVDD2
AVSS2
OUTR
DVDD3
DSLF
AVSS1
EXT1
EXT0
EXT2
ADPVCC
14
R709
LDSW MAIN CIRCUIT
C753 13
470P (CN306) ON
DGND
12 SCHEMATIC
40 IREF MCLK 61
+7.5V DIAGRAM - 6
39 ARF MDATA 62 11
38 LDON MLD 63 12 C743 TX
10
37 BDO BLKCK 64 0.1
PGND
36 NRFDET PWMSEL 65 9
7 MCLK
35 OFT SMCK 66 8
34 RFENV SBCK 67 8 MDATA
R753 10 7
33 TE STAT 68 9 MLD 6
32 FE NRST 69
IC702 31 BLKCK
31 FBAL SPPOL 70 5
C729
MN6627931BD
30 TBAL SERVO PROCESSOR/ DIGITAL SIGNAL PMCK 71 4 STAT
0.1 PROCESSOR/ DIGITAL FILTER/ 4
29 IOVDD1 D/A CONVERTER DQSY 72 3 /RST
TXTD 73 3
28 FOM (GCTL)
REST SW
27 FOP TXTCK 74 2
26 TRM NTEST 75 C722 LOADING
27P 1
25 TRP OUT X2 76
CN702
24 TRVM (PC) IN X1 77
C745
1M
RSXC16M9S04
23 TRVP DVSS1 78 0.1
0.1
22 SPOUT DVDD1 79
X701
A10 (NCAS1)
R720
21 DVDD2 MON 80
C746
DRVDD
NCAS0
DVSS2
24
NRAS
NWE
C733
D3
D2
D0
A3
A2
A1
A0
A9
A4
A5
A6
A7
A8
D1
0.1 R714
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 470
C721
CAS
RAS
A10
WE
22P
A4
A5
A6
A7
A8
D3
D2
D1
D0
A3
A2
A1
A0
A9
C748
0.1
A4
A5
A6
A7
A8
D3
A9
D2
CAS
26 25 24 23 22 21 20 19 18 17 16 15 14
VSS
A4
A5
A6
A7
A8
NC
A9
0E
CAS
D3
D2
VSS
C758 IC704 C754
S701
RESET SW
0.1 C3ABMB000027 0.1
2
16M DRAM
VCC
VCC
RAS
A10
WE
NC
NC
D0
D1
A0
A1
A2
A3
1 2 3 4 5 6 7 8 9 10 11 12 13
RAS
A10
WE
D0
D1
A0
A1
A2
A3
1 11 10
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