Main Circuit - Panasonic SJ-MR220 Schematic Diagrams

A

MAIN CIRCUIT

K
TH40
10K
C
D
B
E
F
G
H
PLAY
0.3V
P-P
0.5 s. 50mV/DIV.
I
(1.4V)
J
L
A
:POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE
H I J
IC1
AN22010A-VF
RF AMP
(0V) (0V) (0V) (0V)
1.2V 2.2V 2.2V 2.2V 2.2V
36 35 34 33 32
NRFSTBY LDON CLV2 MONIOFF
0.9V
37
1.1V
38
1.1V
39
1.1V
40
1.1V
41
1.1V VREF
42
1.1V
43
SW
1.1V
44
45
DARK DET.
46
DARK DET.
1.2V
47
4TAP
LDON
1.1V
48
4TAP
1 2 3 4 5
1.5V 0V 0V 0.4V 1.1V
(0V)
C3
0.1
R7
470K
R11
2.2K
TP409
2.2V
(0V) (0V) (0V) (0V)
2.2V 2.2V 2.2V 1V
31 30 29 28 27 26 25
GND2
SWITCH
SELECT
3TAP
CLV2
SIGNAL
X1 BPF
3TAP
X2 BPF
3TAP
3TAP
NRFSTBY
Vcc
BAND CAP
AGC 3TENV
BOTTM DET.
EQ
PEAK DET.
GND1
6 7 8 9 10 11 12
1.3V 1.1V 1.1V 1.2V
(0V) (0V)
C53
0.47
PLAY
TP408
0.5V
P-P
0.5 s. 0.1V/DIV.
SJ-MR220(EB,EG,GCS,GH) MAIN SCHEMATIC DIAGRAM
O
P
Q
R
S
C50
0.1
T
24
23
1.1V (0V)
U
22
1.1V
V
21
1.1V (0V)
W
20
1.2V (0V)
X
19
2.2V
18 Y
0.7V (0V)
Z
17
0.6V (0V)
a
16
0.8V (0V)
b
15
1.2V
14
1.1V (0V)
13
d
e
C51
1000P
f
g
h