Panasonic SA-PM65MD Service Manual page 122

SCHEMATIC DIAGRAM-5
MD SERVO CIRCUIT
C83
0.1
R58
6.8K
C
N
L
F
1.7V
I
G
C84
0.1
Q
D
J
E
O
K
M
R
B
A
B
C
D
E
F
G
:+B Signal Line
3.3V 3.3V
5V 5V
2.6V 2.6V
S
C22
1000P
R47
47K
R59
68K
C70
0.012
C62
220P
C82 R50
0.047 1K
100 99 98 97 96 95
1.3V
ADIP
1
1.3V
PLAY
LNP
2
1.3V
0.1V
FE
3
P P
1.3V
4 TE
2ms. 50mV/DIV.
(1.6V) 1.3V
AS
5
1.3V
DRMONI
6
PLAY
0V
BAT
7
0.1V
P P
AMONI
8
1.3V
9 VREFI 2ms. 50mV/DIV.
1.3V
TOFS
10
1.3V IC3
FBAL
11
1.3V MN66616RA4
TBAL
12
1.3V ATRAC ENCORDER/DECORDER,
TGAIN
13
SERVO SIGNAL PROCESSOR
1.3V
ASGAIN
14
1.3V
ABGAIN
15
2.6V
16 AV 1
DD
0V
AVss1
17
1.3V
FOD
18
1.3V
TRD
19
1.3V
TVD
20
1.3V
21 SPD
0V (0V) 3.3V
SPON
22
0V (0V) 3.3V
23 TVON
2.6V
DV 0
24 DD
0V
FG
25
26 27 28 29 30 31
:MD Signal Line
A W H V T U P
C90
C91
94 93 92 91 90 89 88 87 86 85 84 83 82 81 80
PLAY
1.9V
P P
F=16.9344MHz
T 11 s.
0.7V PLAY
3.2V
P P
0V
F=16.9344MHz
T 23 s.
PLAY
3.2V
0V
T 0.36 s.
PLAY
PLAY
3.2V
F=16.9344MHz
PLAY
0V
3.2V
0.5 s. 1V/DIV.
0V
T 13.3ms.
PLAY
3.2V
0V
5 s. 1V/DIV.
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
A B C D E F G H I J K L M N O P Q R
:MD Recording Signal Line
C15
4V10
2.6V 3.3V 0V
3 2 1
4 5
3.3V
IC9
RN5RZ26BA TR
REGULATOR
L4
2.2 H
8P
8P
79 78 77 76
MONI2
75
MONI3
74
3.2V
3.3V
REFM
73
0V NREFM 72
3V
RX2
71
0V (3V)
3.2V
RX1
70
TX
69
0V
DATA
68
0V
BCK 67
0V
LRCK
66
0.8V
SDAR
65
0V (1.7V) 0V
SDAP
64
1.7V
SWS
63
1.7V
SCL
62
1.7V
FS384
61
0V
DVss1 60
3.2V
3.3V
P P
IV 1
DD 59
2.6V
DV 1
58
DD
0V
SGSYNC
57
0V
SCTSY
56
0V
MDISY 55
3.3V (0.4V) 0.1V
SSDR
54
3.3V
SSDW 53
3.3V
SSCK
52
0V
SELAD
51
47 48 49 50
C73
0.1
C111
4V10
C80
0.1
A
B
A
B
C
R108 1K
D
R147 1K
E
C79 0.1
C76 0.1
H
B
C
O
P
N
M
R42
1K
S