Panasonic SA-PM65MD Service Manual page 119

SCHEMATIC DIAGRAM-2
C19
0.1
J
L
K
I
H
C64
R18
F
G
N
M
C16
180P
E
O
P
Q2
DTC114YETL
REC DRIVE
:+B Signal Line
PLAY
P Q
0.9V
P P
0.5 s. 0.1V/DIV.
TP52
R43
2.2K
C13
0.039
C122
10
PLAY
0.2V
P P
0.5 s. 50mV/DIV.
PLAY
0.45V
P P
36 35 34 33 32 31 30 29 28 27 26 25
0.5 s. 50mV/DIV.
C20
4V10 TP38 TP43
1.3V
VREF
37
1.3V
RF1
38
1.3V
RF2
39
1.3V
F1
40
1.3V
41 F2
0.015 1.3V
CLPF1
42
10K 0.3V
CLPF2
43
1.3V
A
44
IC1
1.3V
B
45
AN8772FHQ
1.3V
46 C
RF AMP
1.3V
D
47
1.3V
48 CENVC
TP41 TP39 TP40 TP42
C37
180P
R14 R16
10K 100K
TP54
C24
1000P
0V
47K
3.3V
10K
0V
C86
0.015
:MD Signal Line
2.6V 2.6V
R T U V W
S
TP150
TP149
TP148
TP123
TP36
GND
OFT O
PLAY
CBD O
3.3V
BDO/TRCRS
0V
CEA
2ms. 1V/DIV.
PLAY AS/MON3T
50mV
FBAL
P P
AS GAIN
2ms. 50mV/DIV.
FE
PLAY
AB GAIN
0.1V
LNP
P P
TGAIN
2ms. 50mV/DIV.
1 2 3 4 5 6 7 8 9 10 11 12
TP55
A B C D E F G
:MD Recording Signal Line
TP122
0V
24
1.7V (0V) C30
0V
23
0.012
0.8V (1V) 1V
22
2.5V (0V)
0V
21
1.5V
20
1.3V (1.6V) 1.7V
19
1.3V R24
18
1.3V R26
17
1.3V
16
1.3V R32
15
1.3V R45
14
1.3V R28
13
C55
1000P
C56 1000P
C17
3300P
C
R84
15K
A
C67
3900P
C26
4700P
B
L1
10 H
TP56
H
TP57
I
47K
J
47K
K
L
47K
M
33K
N
47K
O