Panasonic SA-HT680PL Service Manual page 131

20 21 22 23 24 25 26 27 28
KEY1
VREF
R6922
1K
P9 OPEN
L21 21
S6901
EVQ21405R
P10
L20 22
P11
L19 23
P12 DISC5
L18 24
DISC4
P13 DISC3
L17 25
DISC2
P14 DISC1
L16 26
P15
L15 27
R6940
P16
180
L14 28
G14
L13 29
R6941
180
G13
L12 30
D6902
B3ACA0000220
Disc1
Q6902
B1GBCFJN0033
LED Drive
18
47
R6900
1K
TUNING TUNING
UP DOWN
S6909 S6910
EVQ21405R EVQ21405R
:+B SIGNAL LINE
29 30 31 32 33 34 35 36
R6923 R6924 R6925
1K 1.2K 1.8K
DISC
DISC1
DISC2
CHANGE
S6903 S6904
S6902
EVQ21405R EVQ21405R
EVQ21405R
R6942 R6944
180 180
R6943 R6945
180 180
D6903 D6904
B3ACA0000220 B3ACA0000220
Disc2 Disc3
Q6903 Q6904
B1GBCFJN0033 B1GBCFJN0033
LED Drive LED Drive
L6900
J0JBC0000019
L6901
J0JBC0000019
L6902
J0JBC0000019
C6902
1000P
R6901 R6902 R6903
1K 1.2K 1.8K
CD/TUNE SELECTOR PROG
S6913 S6911 S6912
EVQ21405R EVQ21405R EVQ21405R
:MAIN SIGNAL LINE
38 39
R6926 R6927 R6928
2.2K 2.7K 4.7K
DISC3 DISC4 DISC5
S6905 S6906 S6907
EVQ21405R EVQ21405R EVQ21405R
R6946 R6948
180 180
R6947 R6949
180 180
D6905 D6906
B3ACA0000220 B3ACA0000220
Disc4 Disc5
Q6905 Q6906
B1GBCFJN0033 B1GBCFJN0033
LED Drive LED Drive
C6901 C6900
0.047 0.047
R6904 R6905 R6906
2.2K 2.7K 4.7K
PAUSE PLAY
S6916 S6915 S6917
EVQ21405R EVQ21405R EVQ21405R
131
S6900
H6902 H6903 EVQ21405R
1 1
2 2
3 3
R6910
R6929
1.8K
6.8K
DISC
CHECK
S6908
EVQ21405R
JK6901
K2HC103A0023
4
5
2
3 PHONES
6
7
1
R6930
10K
R6907
6.8K
STOP
SA-HT680PL
SA-H
POWER BTN
CIRCUIT
POWER
D6900
B3AAA0000583
Power