Panel Circuit - Panasonic SA-NS55E Service Manual

15.3. PANEL CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 5
A
PANEL CIRCUIT
1 2 5 6 7 8
B
C325
50V22
VPGND
C
D
CN901A
FL_DATA
FL_DATA 1
FL_CLK
FL_CLK 2
FL_CS
FL_CS 3
VREF-
VREF- 4
KEY1
KEY1 5
KEY2
TO
KEY2 6
VREF+3.3V
MAIN CIRCUIT
VREF+3.3V 7
(CN901B) VOL_JOG1
VOL_JOG1 8
IN SCHEMATIC
VOL_JOG2
VOL_JOG2 9
DIAGRAM - 3
RMT
RMT 10
11
FL_RST
E
FL_RST 12
FL3.3V
CD3.3V 13
5V
5.6V
14
F
G
H
1 2 3
4 5 6
: + B SIGNAL LINE : - B SIGNAL LINE
FL900
A2BB00000166
FL DISPLAY
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
22 21 20 19 18 17 16 15 14 13 12
NC
23 SEG7
24 SEG6 NC
[21] SEG9 VSS [12]
25 SEG5 FL_CS
[22] SEG8
FL_CLK
26 SEG4
27 SEG3 IC300 FLDATA
C0HBB0000057
28 SEG2 DOUT
FL DRIVER IC
29 SEG1 OSC
[34] GRID9 VSS [44]
30 -Vp NC
[35] GRID8
31 SEG17 NC
32 GRID11 NC
33 GRID10 NC
34 35 36 37 38 39 40 41 42 43 44
4 3 2 1
TO
TRANSFORMER CIRCUIT
(CN503) IN SCHEMATIC
DIAGRAM - 10
4 5 6
7 8
R319
R318
68 6.8K
31 32 33 34 35 36 37 38 39 40 43 44
D300
B0BC6R700006
C323
50V22
C307
0.1
11
10
9
8
7
R317
6
100K
5
4
3
R316
10K
2
C322 C308
1
50V22 0.1
C305 220P
C303 C304
220P 220P
R313
1K
C321 C306
10V22
0.01
7 8
61
9 10 11
FL1
FL2
-VP
C900
50V22
VP_GND
KEY1
KEY2
Z901
B3RAD0000152
VR900
REMOTE SENSOR
K9AA024A0008
VOLUME JOG
A C B
1 2 3
1 3
RMT
C320
R312 R311
6.3V47
100K 100K
VOL_JOG1
R310
C302 1.2K
VOL_JOG2 100P
C301
100P
VREF-
VREF+3.3V
D301
B3AAA0000489
STANDBY LED
-VP
R320
390
VPGND
9 10 11
SA-NS55E / SA-NS55EG
12 13 14
A
B
C
R301 R302 R303 R304
1.2K 1R5K 2R2K 3R3K
S911 S912
OPTION/DPORT CD OPEN/CLOSE
R309 R308 R307
1R5K 2R2K 3R3K
D
E
F
G
SA-NS55E/EG PANEL CIRCUIT
H
12 13 14