Panasonic SA-HT870E Service Manual page 48

SA-HT870E / SA-HT870EB / SA-HT870EG
IC2011
C1BB00000845
ASP(INPUT SELECT/DIGITAL SOUND PROCESSOR/ELECTRONIC VOLUME/TONE)
(L OUT2)
L OUT1
JK2001 (60)59
LINE OUT
(IN A2)
IN A1
JK2001 (62)61
TV
(IN B2)
JK2001 (64)63 IN B1
VCR
(IN C2)
JK2001 (66)65 IN C1
AUX
(IN D2)
TUNER L(R) (68)67 IN D1
(IN E2)
IN E1
DVD MIX L(R) (70)69
42
+B
NF VEE
IC2010
43
C0ABBB000118 +B VCC
BUFFER AMP
(2)6
- 7(1) (76)75
DVD FL(FR) (3)5
+
4 8
-B +B
(IN RSA)
IN LSA
DVD SL(SR) (70)69
DVD CNT 77 IN CA
SUBW 80 IN SUBA
Q2026 Q2100
MUTING
MUTING
CONTROL
Z6000
(REMOTE SENSOR)
VR6000
+B
(VOLUME)
+B
47 75 76 16 62 99 18
TMF L TMF RB TMF LB
(TMFR) (TMF RA) (TMF LA)
TONE
AMP
DIGITAL
SOUND
PROCESSOR
LOGIC
(A OUT2) (EX IN2)
DA CL A OUT1 IN C0 EX IN1
45 46 (2)1 6 (73)72
IC2021
C0ABCB000040
Rch BUFFER AMP(SURROUND/CENTER)
9
- 8 13
10 - 14
+ 12
+
5
+ 7 3
6 + 1
- 2
-
4
+B
+VCC
11
+B
-VCC
IC2012
C0ABCB000040
BUFFER AMP(FRONT)
(9)6
- 7(8) (13)2
(10)5 - 1(14)
+ (12)3
+
4
+B
+VCC
11
-B -VCC
48 49
IC2018
C2CBHG000139
SYSTEM CONTROL
(G OUT RS) (15) (16) (VIN RS)
G OUT LS 13 14 VIN LS
AMP
G OUT C 11 12 VIN C
AMP
G OUT SUB 17 18 VIN SUB
AMP
(IN RS0)
IN LS0
(8)7
IC2022
C0JBAR000292
SIGNAL SELECT
(5)2 Y0 Y 15(4)
(3)1 Y1
13 X1 X 14
Q2300 Q2301 12 X0
MUTING 11
MUTING A
CONTROL 6 10
INH B
9
C
GND VCC
8 16
+B
+B
Q2101 Q2027
MUTING
MUTING
CONTROL
D2001
66 52 54 98
48
IC2013
C0AABB000125
HEADPHONES AMP
(6)2
- 1(7)
(5)3
+
Q2102 Q2201
MUTING
MUTING
CONTROL
4 8
(OUT FR)
OUT FL -B +B
+ 39(36)
-
Q2200 Q2105
MUTING
MUTING
CONTROL
(OUT RS)
+ OUT LS 25(23)
-
Q2104 Q2103
MUTING
MUTING
(OUT RST)
CONTROL
OUT LSW 24(22)
(F OUT3)
F OUT4
+ 41(38)
-
(FM3)
FM4 40(39)
+ OUT C 27
-
Q2601(1/2) Q2500
MUTING
MUTING
CONTROL
OUT CW 26
+ F OUT1 28
-
Q2601(1/2) Q2600
MUTING
MUTING
CONTROL
FM1 29
(G OUT FR)
+ G OUT FL 52(50)
-
(VM FR)
VM FL 51(49)
IC2019
C3EBDG000052
EEPROM (Not supplied)
3 4 5 6
25 24 23 42 40 34 39
SA-HT870E,EB,EG BLOCK DIAGRAM
IC2015
C0ABBB000118
BUFFER AMP
(CENTER/SUB WOOFER)
6
- 7
5
+
3
- 1
2
+
4 8
-B +B
NF
Q2000
+B
RESET
X2000
43 13 15 12