Panasonic SA-HT720P Service Manual page 51

SCHEMATIC DIAGRAM-7
: +B SIGNAL LINE
FL CIRCUIT
CN6901
22
21
20
FLDA
19 C6903 C6905
50V22 50V22
FLCLK
18
FLCS
17
16
D6911
FLRST B0ACCK000005
15
14
L6903
13 J0JBC0000041 R6918
TO 22K
KEY1
12
MAIN
STBLED
CIRCUIT 11
(CN2009)ON DISC1
10
SCHEMATIC
DISC2
DIAGRAM-6 9
DISC3
8
DISC4
7
DISC5
6
5
4
C6909 C6911 C6910
0.01 0.01 6.3V100
3
2
1
R6917 1K
FLDA
R6916 68
R6915 1K
FLCS
R6927 3.3K
FLRST
C6914 C6915
220P 100P
IC6902
C0JBAE000192
XOR GATE
R6949
220
FLCLK
1
C6918
100P
2
D6900
3
R6905
B3AAA0000583
0
STBLED
R6906 R6907
220 220
R6941 R6942
220 220
D6901 D6902
B3ABA0000397 B3ABA0000397
DISC 1 DISC 2
Q6901
Q6900
B1GBCFJN0021 B1GBCFJN0021
LED Drive LED Drive
DISC1
R6922 R6923 R6924
1K 1K 1.2K
S6900 S6901 S6902
EVQ21405R EVQ21405R EVQ21405R
POWER SELECTOR DISC1
: MAIN SIGNAL LINE
FL6901
A2BD00000082
R6940 0
1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
R6939 0
R6935 R6936
150 150
D6910
B0BC5R000009
C6913
50V3.3
1 2 3 4 5
48
R6914 27K
47
46
C6906
39P
45
44
43
42
41
C6916 C6917
40
100P 100P
39
38 37 36 35 34
5
4
R6908 R6909 R6910
220 220 220
R6943 R6944 R6945
220 220 220
D6903 D6904 D6905
B3ABA0000397 B3ABA0000397 B3ABA0000397
DISC 3 DISC 4 DISC 5
Q6902 Q6904
Q6903
B1GBCFJN0021 B1GBCFJN0021 B1GBCFJN0021
LED Drive LED Drive LED Drive
R6925 R6926 R6938 R6928 R6929
1.8K 2.2K 2.7K 4.7K 6.8K
S6903 S6904 S6905 S6906
EVQ21405R EVQ21405R EVQ21405R EVQ21405R
DISC2 DISC3 DISC4 DISC5
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 52
6 7 8 9 10 11 12 13 14
S10
15
CN6801
S11
16 10
S12 9
17
8
S13
18
7
TO
S14
19 6
IC6901 MAIN CIRCUIT
C0HBB0000040 S15 5
(CN2008)ON
20
FL Driver
SCHEMATIC 4
T0
21
DIAGRAM-6 3
T1
22 2
T2 1
23
T3
24
33 32 31 30 29 28 27 26 25
R6930 R6931
10K 22K
S6907 S6909 S6910
EVQ21405R EVQ21405R EVQ21405R
DIGITAL PROGRESSIVE CD
51
HEADPHONE CIRCUIT
JK6901
K2HC103A0023
4
L6101
J0JBC0000019
5
C6101
2
L6201 0.047
J0JBC0000019
3
C6201
6
L6801
0.047
J0JBC0000019
7
1
R6805 R6804 R6803 R6802 R6801 R6808 R6810
1K 1K 1.2K 1.8K 2.2K 2.7K 4.7K
C6801
1000P
A
VOL JOG
Z6900
RCD37142TC5
VR6800
EVEKE2F3024M
D VDD G
B COM A
1 2 3
3 2 1
C6806 100P
C6918
10V47
C6805 100P
R6809 R6807
22K 22K
R6934 47 C6904
1000P
SA-HT720P / SA-HT720PC
HEADPHONE
JACK