Panasonic SC-HT870, Service Manual

Page: 160 / 252

15(4)
EX IN1
(EX IN2)
(73)72
SUBW
DVD CNT
DVD SL(SR)
DVD MIX L(R)
TUNER L(R)
4
(3)5
7(1)
(2)6
8
Q2104 Q2103
Q2105 Q2200
Q2102 Q2201
8 4
(5)3
1(7)
(6)2
8 4
-
+
-
+
2
1
3
5
7
6
-
+
-
+ 1(14)
(12)3
(13)2
-VCC
+VCC
7(8)
11
(10)5
(9)6
4
1
14
2
3
12
13
7
8
-VCC
+VCC
VREF
RESET
12
X IN
15
X OUT
13
HP MUTE
43
MUTE FRONT
39
MUTE S
34
MUTE C
40
MUTE SUB
42
CS
E CS
25
3
CLK
E CK
24
4
DI
E EDA
23
5
DO
6
PARTY
54
SFC
52
FRONT MIX
66
VOL CK
49
VOL DATA
48
AVCC
99
VCC
62
VCC
16
JOG A
76 75
JOG B
MUTE L
47
RMT
18
(REMOTE SENSOR)
Z6000
(VOLUME)
VR6000
MUTING
CONTROL
MUTING
Q2100 Q2026
A OUT1
(A OUT2)
(2)1
IN SUBA 80
IN CA 77
IN LSA
(IN RSA)
(70)69
(76)75
VCC
VEE
43
42
(70)69
(68)67
(66)65
(64)63
(62)61
(60)59
IN C0
6 (8)7
IN LS0
(IN RS0)
C
B
A
VCC GND
INH
6
16 8
9
10
11
14
Q2101
Q2300
Q2027
Q2301
CONTROL
MUTING
CONTROL
MUTING
MUTING
MUTING
AMP
AMP
AMP
AMP
18 VIN SUB
12 VIN C
14
(16)
VIN LS
(VIN RS)
G OUT SUB 17
G OUT C 11
G OUT LS
(G OUT RS)
13
(15)
-
+
-
+
-
+
+
-
+
-
+
-
+
-
+
-
+
-
+
-
-
+
-
+
Q2601(1/2)
Q2601(1/2)
Q2500
Q2600
VM FL
(VM FR)
G OUT FL
(G OUT FR)
FM1
F OUT1
OUT CW
OUT C
FM4
(FM3)
F OUT4
(F OUT3)
OUT LSW
(OUT RST)
SYSTEM CONTROL
IC2018
C2CBHG000139
+B
D2001
98
+B
39(36)
25(23)
24(22)
41(38)
40(39)
27
26
28
29
52(50)
51(49)
X2000
Q2000
RESET
+B
+B
NF
+B
C0ABBB000118
IC2015
(CENTER/SUB WOOFER)
BUFFER AMP
-B
MUTING
CONTROL
MUTING
+B -B
C0AABB000125
IC2013
HEADPHONES AMP
MUTING
CONTROL
MUTING
MUTING
CONTROL
MUTING
MUTING
CONTROL
MUTING
CONTROL
MUTING
MUTING
OUT FL
(OUT FR)
OUT LS
(OUT RS)
TONE
(TMF LA)
TMF LB
(TMF RA)
TMF RB
(TMFR)
TMF L
46 45
CL DA
LOGIC
C0JBAR000292
IC2022
SIGNAL SELECT
C3EBDG000052
IC2019
EEPROM (Not supplied)
+B
X
Y (5)2
(3)1
13
12 X0
X1
Y1
Y0
11
4
6
5
10
9
-B
+B
C0ABCB000040
IC2012
BUFFER AMP(FRONT)
Rch
+B
+B
C0ABCB000040
IC2021
BUFFER AMP(SURROUND/CENTER)
PROCESSOR
SOUND
DIGITAL
C1BB00000845
ASP(INPUT SELECT/DIGITAL SOUND PROCESSOR/ELECTRONIC VOLUME/TONE)
IC2011
DVD FL(FR)
IN E1
(IN E2)
IN D1
(IN D2)
IN C1
(IN C2)
IN B1
(IN B2)
IN A1
(IN A2)
L OUT1
(L OUT2)
C0ABBB000118
BUFFER AMP
IC2010
NF
+B -B
+B
+B
AUX
JK2001
VCR
JK2001
TV
JK2001
LINE OUT
JK2001
SA-HT870E,EB,EG BLOCK DIAGRAM