Panasonic SA-PM21PC - Panel Circuit

18.3. Panel Circuit
L901
3.3uH
KEY1
KEY2
VOL_JOG1
RMT
VOL_JOG2
VREF+
R908
100K
R916
100K
R925
100K
R924
100K
C902 6.3V47
C901
100P
C900
100P
R909
1K
R910
1K
R911
1.2K
R912
1.8K
R913
2.2K
R914
2.7K
R900
1K
R901
1K
R902
1.2K
R903
1.8K
R904
2.2K
R905
2.7K
R906
4.7K
S908
AC IN
S909
OPEN/CLOSE
S911
SURROUND
S912
SOUND
S913
REC
S914
TRACK_UP
S915
TRACK_DOWN
S900
CD
S901
TAPE
S902
TUNER/
BAND
S903
FF
S904
STOP
S905
REW
S906
ALBUM_FF
S907
ALBUM_REW
R915
680
D906
B3AAA0000487
(STANDBY LED)
VDD
G
O
3
2
1
Z901
B3RAB0000040
C912
0.1
C903
50V22
C911 50V22
C910 50V22
R922 68
R923 68
D900
B0BC6R700006
C909
50V22
FL1
FL2
-VP
GND2
-VP
FL1 FL2
12
11
10
2
4
6
8
9
7
5
3
1
CN901A
D5V
KEY2 KEY1
VREF+
VOL_JOG2 VOL_JOG1
RMT
FL_CLK FL_RST
FL_DATA
FL_CS
WH900A/
JW900A
-VP
SEG02
SEG01
GRID10
SEG19
SEG20
-YP
SEG03 SEG04 SEG05 SEG06 SEG07 SEG08 SEG09 SEG10 SEG11 SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
RST
CS
SCK
DATA
VCC
XOUT
XIN
IC900
C0HBB0000044
FL DRIVER IC
1
2
3
456
7
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
2
4
3
1
FL900
A2BB00000138
FL DISPLAY
D5V
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
C914
47P
1K
R917
1K
R918
1K
R919
1K
FL_RST
FL_CS
FL_CLK
FL_DATA
R920
C905 220P
C907
220P
C906 220P
C908 220P
VREF-(GND)
GRID2
GRID1
GND2
GND
VREF-
L905
100uH
R921 27K
C904
10V22
C913
0.01
123
VR900
EVEJ1CF3024B
VOLUME JOG
TO
MAIN CIRCUIT
(CN901B) ON
SCHEMATIC DIAGRAM-3
TO
TRANSFORMER
CIRCUIT (CN900B) ON
SCHEMATIC DIAGRAM-11
: +B SIGNAL LINE
: -B SIGNAL LINE
12
3
4
5
6
7
8
9
11
12
13
28
29
30
38
39
40
10
27
14
37
26
15
36
25
24
16
35
17
34
23
22
21
18
33
19
32
20
31
PANEL CIRCUIT
SCHEMATIC DIAGRAM-7
57
SA-PM21PC