Panasonic RX-D50EE

71
16.9. PANEL, VOLUME & STANDBY CIRCUIT
A
1
2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
D
PANEL CIRCUIT
SCHEMATIC DIAGRAM - 9
RX-D50EE PANEL / VOLUME / STANDBY CIRCUIT
E
VOLUME CIRCUIT
F
STANDBY CIRCUIT
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
B
TO
MAIN CIRCUIT
(CN2105)
IN SCHEMATIC
DIAGRAM - 4
B
TO
MAIN CIRCUIT
(CN4104)
IN SCHEMATIC
DIAGRAM - 3
TO SPEAKER (LCH)
TO SPEAKER (RCH)
SEG0 COM0 COM1
SEG11
SEG12
SEG11 SEG12 SEG8 SEG10 SEG9 SEG4 SEG5 SEG1 SEG3 SEG2 SEG7 SEG6 SEG14 SEG18 SEG17 SEG19 SEG15 SEG16 SEG13
SEG1 SEG0 SEG4 SEG6 SEG9
SEG10
SEG7 SEG8 SEG5
1
3
ZJ902*
SEG2 SEG3
220PC903
COM1
COM2
COM0
COM3
6.3V100
C909
L901
J0JBC0000019
1C958
R904 470
R906 470
R905 470
0.1
C901
Q900
B1ADCE000012
POWER SUPPLY
R902
100K
2.2K
R950
2
1
4
3
ZJ903*
1
3
ZJ901*
1C910
SEG18
SEG15
SEG17
SEG16
SEG19
1
VREF GND RMT
32
B3RAB0000081
REMOTE CONTROL SENSOR
IR901
C957 3300P
R914
1.2K
C955
3300P
S902
S901
R916
2.2K
R915
1.5K
S900
S909
2.2K
R909
S905
R911
4.7K
S903
K904
0
3.3K
R910
S904
1
3
ZJ908*
1
3
ZJ909*
C956
3300P
J0JBC0000019
L900
6
8
9
7
2
1
4
5
3
10
ZJ900*
R901
15K
R917
3.3K
R918
4.7K
S911 S912
1
3
2
CN906*
SEG14
SEG13
21
5
6
3
1
2
4
19
9
7
8
16 17
11
10
12 151413 18 20
35374244 43 39 3841 40 36
33
22
31
29
27
24
23
26
25
28
30
32
34
IC900
C0HBA0000268
LCD DRIVER
220PC905
220PC904
R992
68
68
R993
R995
82
COM2 COM3
2378451 2 3 6 15 1612 1413 1918 2220 211791110 24
L5ACAYY00030
Z902
LCD
R900
82
R991
68
R994
68
R921
1.5K
S910
S908S907
K905
0
R920
1.2K
3300P
C954
D992
B3ACA0000264
D993
B3ACA0000264
10V330
C900
TUNE MODE
KEY1
STOPOPEN/CLOSEMUSIC PORT
GND
VOL(+)VOL(-)
GND
KEY2
GND
KEY2
FM/AM
FF SOUNDREV
CD
PLAY/PAUSE
SEG7
SEG19
SEG18
R+
R-
[11] COM2
SEG20
SEG9 SEG11 SEG14 SEG13 SEG17 SEG19 SEG18 SEG16 SEG15 SEG12 SEG10
SEG4
L+
L-
L+
L-
SEG5
SEG13
[34] SEG10
SEG14
SEG11
SEG12
[22] SEG22
SEG17
SEG15
SEG16
SEG7
[35] SEG9
SEG8 SEG6 SEG2
SEG8
SEG3 SEG1SEG31
SEG30 SEG28
LCD_DI
LCD_CE
KEY 1
KEY 2
SW_BU3.3V
3.3V
RMT_P
LCD_CLK
SEG26
[23] SEG21
SEG24
R+
R-
SEG23 SEG25
DGND
SEG27
RMT_ON
SEG29
VDD
CS
WR
VSS
RD
SEG2 SEG3 SEG0 SEG1 COM3 COM0 COM2 COM1 SEG5 SEG4 SEG6
DATA
VLCD
[44] SEG0
COM3
COM1
BZ
COM0
STDBY
1
3
2
CN907*
KEY1
GND