Panasonic SA-HT680PL Service Manual page 70

SA-HT680PL
IC2011
C1BB00000845
ASP(INPUT SELECT/DIGITAL SOUND PROCESSOR/ELECTRONIC VOLUME/TONE)
(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 VEE
43
+B VCC
INFLA
DVD FL(FR) (76)75 (INFRA)
(IN RSA)
IN LSA
DVD SL(SR) (79)78
DVD CNT 77 IN CA
SUBW 80 IN SUBA
Z6900
(REMOTE SENSOR)
VR6900
(VOLUME) +B
+B
75 76 16 62 99 18
57 55
(58) (56)
TMF L BMF RB
(TMFR) (BMF RA)
TONE
AMP
DIGITAL
SOUND
PROCESSOR
LOGIC
(A OUT2) (EX IN2) IN LSB
DA CL A OUT1 IN CB EX IN1 (IN RSB)
45 46 (2)1 6 (73)72 7(8)
IC2012
C1BB00000979
ANALOG SUPER SURROUND
1(5) 6(7) 8(9) 13 15(14) 12
18 19 17 16 11 20
-B +B
48 49 52 53
IC2018
C2CBJG000578
SYSTEM CONTROL
53
(54)
BMF LB
(BMF LA)
(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
IC2019
C3EBEG000072
EEPROM
(Not Supplied)
Q6902
LED
DRIVE
5 3 4
23 25 24
70
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(37)
+ OUT C 27
-
Q2601 Q2500
MUTING
MUTING
CONTROL
OUT CW 26
+ F OUT1 28
-
Q2601 Q2600
MUTING
MUTING
CONTROL
FM1 29
(G OUT FR)
+ G OUT FL 52(50)
-
Q6502,D6502/6504
(Q6501,D6501/6503)
(VM FR)
VM FL 51(49)
LEVEL METER CIRCUIT
+B
D6902 D6903 D6904 D6905 D6906
Q6903 Q6904 Q6905 Q6906
LED LED LED LED
DRIVE DRIVE DRIVE DRIVE
90
86 85 84 83 82 (92) 42 40 34 39
IC2015
C0ABBB000118
BUFFER AMP
(CENTER/SUB WOOFER)
6
- 7
5
+
3
-
1
2
+
4 8
-B +B
NF
Q2501 Q2502
MUTING
MUTING
CONTROL
Q2000
RESET +B
X2000
43 57 13 15 12
SA-HT680PL BLOCK DIAGRAM