Operation Circuit - Panasonic SJ-MR220 Schematic Diagrams

C

OPERATION CIRCUIT

CN701 CP801
d 1 1
C222 1
2 2
P 3 3 A
O 4 4 B
G 5 5 C
N 6 6 D
M 7 7 E
L 8 8 F
S 9 9 G
10 10
b 11 11
Z 12 12
a 13 13
CP802
1
1
A
Q305
B1CHMC000001
POWER SUPPLY
2.2V 2.2V
h
D S
R320 0V G
470K
H
R324 C313
470K 0.01
J
2.2V G
L1
D S
i
(0V) 2.2V 2.2V
Q312
B1CHMC000001
POWER SUPPLY
B
1.5V
Q311
2SD1979TX
POWER SUPPLY
1.5V 1.5V
g
2.2V
C
A
TP137
D
B
E
Q313
B1CHHD000003
POWER SUPPLY
(3.5V) 1.2V 1.2V (3.5V)
C
D S
Q314
R307
1.6V G
470K
DTC144EETL
POWER SUPPLY
1.6V
CONT.
0V
I
C
R808
51K
C801
0.033
CP803
1
2 3 4 5 6 7
1
2 3 4 5 6 7
LCD MODULE
(L5DCAEC00001)
1.4V
TP421
D303
B0JCMB000001
IC302
C0DBAFZ00020
DC-DC CONVERTER
2.2V 0.4V 0.4V
1 EXT 5
V OUT
G
Q306
2.2V
B1CFNC000001
2
V
DD
SWITCHING
1.4V
3 CE 4
GND
D304
MA2YD2100L
IC303
XC6367A151MR
DC-DC CONVERTER
1.5V 0.2V 0.2V
1 EXT 5
V OUT
G
Q307
2.2V
2 V
DD B1CFNC000001
SWITCHING
2.2V
3 CE 4
GND
D305
MA2Z74800L
IC304
C0DBAGZ00006
DC-DC CONVERTER
1 GND 5
(3.5V)
1.2V
V OUT
2
2.2V 1.4V
CE LX
3 4
:POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE
R801 R802
1.2K 56K
S806
(HOLD)
B A F E D G
2 3 4 5 6
2 3 4 5 6
FLAT PAD
L301
D
1.4V
S
Q308
2SB1462STX
POWER SUPPLY
1.4V 1.4V
R322
0.9V
2.2M
L302
D
1.4V
S
L303
B
D
L305
A
C
E
G
F
TP443
TP440 TP439
H
I
SJ-MR220(EB,EG,GCS,GH) MAIN,OPERATION SCHEMATIC DIAGRAM
R803
68K
BATTERY CASE
Z301
1LR6(AA SIZE,UM-3)
BATTERY 1.5V
1 RECHARGEABLE
BATTERY 1.2V
1 JK301
DC IN
3
1.8V
2
1
JK201
2
HEADPHONES
3
3.5mm STEREO
4
22
5
6