Panasonic SC-EN17P Service Manual page 24

SC-EN17P / SC-EN17PC
SCHEMATIC DIAGRAM-4
F
LED(2) CIRCUIT
R1003
H
68
G
G
SENSOR CIRCUIT
D1004
Z1001
SLR-305VC
B3RAD0000074
( )
(REMOTE SENSOR)
3
F
2
1
E
D
C
To MAIN CIRCUIT
(CS801) on SCHEMATIC
DIAGRAM-3
C
H
OPERATION CIRCUIT
B
R852 R851 R850 R849 R848 R847
15K 8.2K 5.6K 3.9K 2.7K 2.2K
A
1 2
E
LCD CIRCUIT
:POSITIVE VOLTAGE LINE
D805 Q808
B3AEA0000057
UNR521F00L
(PANEL LIGHT)
LED DRIVE
W1001 W10011
1 1 0.1V
3.2V
2 2
D806
MAZ40820MF
Q807
UNR511F00L
LED DRIVE
3.4V 3.4V
0V
0V
3.2V
Q806
R841
UNR521F00L
120
LED DRIVE
W1002 W10021
1 1
2 2
3 3
4 4
5 5
E D A
FFC801
CD OPEN 1 B
C
CD CLOSE 2
BUP3.3V 3
STBY3.3V 4
VREF- 5
F
MCLK 6
MDATA 7 G
H
MLD 8
BLKCK 9 I
J
STATUS 10
CD RESET 11 K
L
RSET SW 12
PLL DO 13 M
N
PLL DI 14
PLL CLK 15 O
P
PLL CE 16
AC DET 17 Q
D9V 18
EX BASS 19 R
S
AG DATA 20
AG CLK 21 T
CD BOTTOM SW 22
CD TOP SW 23
U
P.CONT 24
MUTE B 25 V
LED GND 26
CD LIGHT 27 W
W1003 CP1003
R846
2 2
1.5K
1 1
3 4 5
Q805
UNR521F00L
LED DRIVE
2.2V
0V
L801 R801
L802
2.2 H 1
2.2 H
A B C D
C802
0.01
C805
0.01
2.5V
0V
2.1V
Q822
UNR511000L
LED DRIVE
D803
1SS291TA
X801
(8MHz)
Q801 R809 220K
2SD1819ARL
X802
SWITCHING(MBP) (32.7kHz)
0.5V
0V
Q802
R832 R827
15K 4.7K
2SD1819ARL
SWITCHING(MBP)
0V
0.7V
R817 R818
18K 10K
Q803
UNR521300L
RESET
C814
3.3V
50V2.2
0V
6 7 8
24
Z801(L5ACAHC00010)
LCD DISPLAY
1 2 3 4 5 6 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
q d e f g h m n
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b
Y Z a b q
E F G H I J K L M N O P Q R S T U V W X
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1.7V
1 COM0 SEG25
1.7V
2 SEG26
COM1
1.7V
3 COM2 SEG27
1.7V
4 SEG28
COM3
1.1V
5 VLC3 SEG29
2.3V
6 SEG30
VLC2
3.3V
7 VLC1 SEG31
3.3V
8 STBY LED
C2
0V
9 LCD GND NC
3.4V
10 NC
PC1
IC801
3.4V
11 PC2 LIGHT
MN101C74FAB1
0.5V
12 NC
CD BOTTOM SW
SYSTEM CONTROL/
3.3V
13 CD TOP SW LCD DRIVE NC
0V
14 CD LIGHT
MBP1
3.2V
15 MBP2 NC(TEST2)
16 NC(TEST1)
V SS
1.6V
17 OSC1 E-CLK
1.6V
18 E-DATA
OSC2
3.3V
19 V E-CS
DD
0.6V
20 XIN NC
1.6V
21 XOUT FAN V
22 NMOD(GND) CD SET3
3.3V
23 NRESET CD SET2
3.3V
24 DMOD(V ) CD SET1
DD
3.4V
25 VREF+ P.CONT
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
R828
1K
B C S T M N O P F G J H L K R E Q I
R819
4.7K
SA-EN17(P,PC) LCD,LED(2),SENSOR,OPERATION CIRCUIT DIAGRAM
9 10 11
f g
d e h m n
1.7V
75
1.7V
74
1.7V
73
1.7V
72
1.7V
71
1.7V
70
1.7V
69
0V R805 1K
68
A
67
66
3.2V
65 D
64
63
3.2V R862 1K
62 W
0V R861 100K
61
0V R860 100K
60
59
0V R833 100K
58
57
56
RJ803
CC 55
0
0V
54
0V RJ802 0
53
0V RJ801 0
52
3.3V R829 1K
U
51
Q804 V
UNR511100L
MUTING CONT.
(0V)
3.4V
(3.4V)
0V
3.4V
12