Panasonic SA-PM65MD Service Manual page 120

SCHEMATIC DIAGRAM-3
MD SERVO CIRCUIT
C113
0.1
C143
4V10
R2
1K
A
B
C
D
E
F
G
R87 1K
1
3
X1
(10.02MHz)
A B
R135 2.7K
R104 2.7K
R105 2.7K
R121 2.7K
R122 2.7K
R134 2.7K
R132 2.7K
R130 2.7K
TP74
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
3.3V
RST
21
UNIT TEST
22
23 CS2
0V
SCTSY
24
0V
MDISY
25
2.8V
PANEL REQ
26
(0V) 3.3V
0V
LED OUT1
27
3.3V (3.3V) 0V
28 LED OUT2
3.3V (0V) 0V
LED OUT3
29
30 TEST02
3.3V
V 2(3V)
31 DD
1.6V
OSC1
32
T
1.5V
OSC2
33
0V
Vss
34
0V
35 XI
XO F=10.02MHz
36
2 0V
Vss
37
TEST03
38
EEPCS
39
F=10.02MHz
EEPCK
40
41 42 43
A
B
C
3.3V 3.3V
:+B Signal Line
2.6V 2.6V
3.3V 3.3V
C D E F G H I J K L
IC10
MN101D03DAA1
PLAY
SYSTEM CONTROL
3.2V
0V
T 13.3ms.
PLAY
PLAY
3.2V
0V
0V
0.5 s. 1V/DIV.
23ms.
1.9V PLAY
3.2V
P P
0V
5 s. 1V/DIV.
2.5V
P P
44 45 46 47 48 49 50 51 52 53 54 55 56 57
C99
1000P
C121
1000P
H I J K L M N O P Q R
5V 5V
S
T
U
V
SPMWE
80
ARDSKIP
79
SRVRETRY 78
SBPRETRY
77
BUSY
76
ERROR
75
FLOCK
74
TLOCK 73
SLOCK
72
3.2V
SEL ADDA 71
5V
Vcc5V
70
3.3V
Vcc3V
69
SRV LOAD
68
TP77
TEST KEY IN
67
LOAD P 66
SRV TEST
65
MO LOAD
64
3.3V
KEY2
63
3.3V
KEY1
62
1.3V
TEMP
61
58 59 60
R100
47K
C142
0.1
C112
16V10
C141
0.1
C115
560P
C114 560P
C119
1000P