Panasonic SA-HT743P Service Manual page 87

IC2906
IC2105-(1)
C0JBAR000326
C0ABCB000088
MUSIC PORT
MUSIC PORT AMP
SELECTOR
2(6)
3(12) 4(5)
+
1(14)
_
3(10)
2(13)
IC2103
C0AABB000125
HEADPHONE AMP
(6)2
- 7(1)
(5)3
+
4 8
IC5001
RSN704D65-P
-B +B
DIGITAL POWER AMP
Q2201
Q2101
MUTING
MUTING
CONTROL
SURROUND L
SL OUT (SR OUT)
(R)
1(3) CH6 IN
(CH5 IN)
FRONT L
FL OUT (FR OUT)
(R)
9(7) CH4IN
(CH3 IN)
C OUT CENTER 13
IN 2
SUBWOOFER
25
IN 1
22
CLK IN 1/2
Q2911-2914
2
MUTE_5.6
MUTING
6
MUTE_3
SUB W
+B
MUTE/PREN/STBY
10-12V:OPERATING
17
4-8:MUTE
0-2V:STANDBY
Q5025
Q5023
MODE
MUTING
SELECTOR
Q5022
MUTING
51 68 66 64
50
1(12)
14(13)
15(11)
CTRL
9
CH6 OUT 49(48)
(CH5 OUT)
CH4 OUT 40(41)
(CH3 OUT)
36
+V OUT2
34
-V OUT2
30
+V OUT1
32
-V OUT1
Q5001, 5002
Q5095, 5096, Q5031
D5041
16 DC
PRMON
DETECT
(NORMAL:H
IC5002
ABNORMAL:L)
C0ABBA000163
23
OPERATIONAL AMP
CLK MODE1/2
Q5015, D5031
35
+VCC2
VOLTAGE
31
DETECT
+VCC1
PR IN
15
Q5014
IC2004
C3EBEG000073
EEPROM
(Not Supplied)
5 6 3 4
23 25 24 87
FL6901
FL1
FL DISPLAY
FL2
FL00
5 IC6901
X OUT
C0HBB0000057
DISPLAY DRIVER
X IN
7 8 9 43 44 30
+B -B
90 89 87 46 21
IC2001
MN101C49GHF
SYSTEM CONTROL
VSS VSS AVSS HB EN
14 95 1 62
61
7
6
1
F-MORT-LCH 2
3
Rch
4
5
CN2003
ROLE CHG
10 MASTER/SLAVE
WIRELSS RCH
Rch 4
2 WIRELSS LCH
RF PCONT
5 VM MUTE
RF LINK
7 LINK
RF DET
6 VM DETECT
M PORT DET
ID SET
1
Q2098 +B 9 +5V
7
6
1
JK6801
2
PHONES
3
Rch
4
5
JK5400
SURROUND L+
6
12
SURROUND R+
Rch 5
11
FRONT L+
4
10
FRONT R+
3
Rch
9
CENTER+
2
CENTER-
8
SUBWOOFER+
1
SUBWOOFER-
7
KEY SWITCH
(S6900-6907, KEY SWITCH
(S6801-6808)
S6909,6910)
20 19 47 2 6 71 31 35
WS EN
57
SA-HT740P/PC BLOCK DIAGRAM
SA-HT740P / SA-HT740PC
JK6802
MUSIC PORT
WIRELSS
SPEAKERS