Panasonic SA-HT540E Service Manual page 56

SA-HT540E / SA-HT540EB / SA-HT540EG
IC2105
C0ABCB000088
MUSICPORT AMP
1(7)
SURROUND L+
SURROUND R+
FRONT L+
FRONT R+
CENTER+
CENTER-
SUBWOOFER+
SUBWOOFER-
IC904
C0GAY0000013
MOTOR DRIVE(LOADING)
LOADING
MOTOR
DRIVE CONTROL
VCC
2
+B
S902
S901
4 1
_
2(6)
+ 3(5)
VREF+
Q2030
V REF
CONTROL
8
V REF
1
IC2004
9
EEPROM
(Not Supplied)
GND
5
6 3
5
2 3 100 23 25
Q5101, 5102
DC
DETECT
FL6901
FL DISPLAY
Q2915
DC
DETECT
FL00
5
X OUT
X IN
4 7 8 9 43 44
+B
-B
24 70 72 87 85 86
IC2018
C2CBYY000195
SYSTEM CONTROL
56
FL1
FL2
KEY SWITCH KEY SWITCH
(S6801-6805)
(S6806)
IC6901
C0HBB0000057
DISPLAY DRIVER
30
97 91
VSS VSS AVSS
14 64 96
7
6
1
JK6804
F-MORT-LCH 2
MUSIC PORT
3
Rch
4
5
7
6
1
JK6801
2
PHONES
3
Rch
4
5
JK5400
SURROUND L+
6
12
SURROUND R+
5
11
FRONT L+
4
10
FRONT R+
3
SPEAKERS
9
CENTER+
2
CENTER-
8
SUBWOOFER+
1
SUBWOOFER-
7
40 19 20
SA-HT540E/EB/EG BLOCK DIAGRAM