Panasonic SA-HT743P Service Manual page 86

SA-HT740P / SA-HT740PC
IC8421
C0FBBK000050
24 BIT AUDIO DIGITAL TO ANALOG CONVERTER
7
SRCK BCK
LRCK 8 LRCK
AD OUT0 11 DATA2
SERIAL
INPUT
AD OUT1 12 DATA3
I/F
AD OUT2 13 DATA4
AD OUT3 6 DATA1
4X/8X
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
FUNCTION
CONTROL
MS 2 MS
I/F
MC 3 MC
MD 4 MD
SYSTEM
CLOCK
SYSTEM
5 SCK
CLOCK
MANAGER
ZERO DETECT
AMUTE
JK2001
AUX
OUTPUT AMP AND V OUT7 DVD MIX L
16
DAC
LOW-PASS FILTER
OUTPUT AMP AND V OUT8 DVD MIX R
15
DAC
LOW-PASS FILTER
OUTPUT AMP AND
V OUT1 27 DVD FL
DAC
LOW-PASS FILTER
ENHANCED
MULTI-LEVEL
DELTA-SIGMA OUTPUT AMP AND V OUT2 26 DVD FR
DAC
MODULATOR
LOW-PASS FILTER
OUTPUT AMP AND V OUT3 22 DVD SL
DAC
LOW-PASS FILTER
V OUT4 21 DVD SR
OUTPUT AMP AND
DAC
LOW-PASS FILTER
OUTPUT AMP AND V OUT5 20 DVD CNT
DAC
LOW-PASS FILTER
OUTPUT AMP AND V OUT6 19 SUBW
DAC
LOW-PASS FILTER
Q2006
ZFLAG 28
MUTING
Q2307
QR8420
MUTING MUTING
Q2309, Q2310
BUFFER
VR6800
(VOLUME)
+B
45 18 92 91 11
IC2001
MN101C49GHF
SYSTEM CONTROL
IC2102
C1BB00001098
ASP(INPUT SELECT/DIGITAL SOUND PROCESSOR/ELECTRONIC VOLUME/TONE)
INL5
88(87)
(INR5)
TONE
INL4
(INR4)
90(89)
INL3
92(91) (INR3)
INL2
(INR2)
TUNER L(R) 94(93)
INL1
DVD MIX L(R) (INR1)
96(95)
FL IN
AMP
DVD FL(FR) 84(83) (FRIN)
85
-B VEE
86
+B VCC
81(80) SL IN
(SR IN)
AMP
DVD CNT 82 C IN
AMP
DVD-SUBW SUB IN
79
H BASS
AMP
ASS
MCU I/F
64 65 54 56
Q2308
MUTING
6
5
Q2602, Q2603
SUBW
LEVEL CONTROL
C0ABCB000088
H BASS AMP
Z6900
(REMOTE SENSOR)
VREF+
+B
100 10 26 52 49 50
60
FLSEL OUT
13 14 FLVOL IN
(FRSEL OUT)
(22) (21)
(FRVOL IN)
SLSEL OUT (37)
(36) SLVOL IN
(SRSEL OUT) 34
35 (SRVOL IN)
AMP
23 24 CVOL IN
CSEL OUT
AMP
SUBSEL OUT 53 52 SUBVOL IN
AGC
AMP
46
AMP
55
IC5010
+ 7
C0JBAB000472
_
INVERTER (CLOCK GENARATOR)
IC2105-(2)
3 4 11
1 2
+B
X5011 415KHz
5 6
D6906 D6907
X5010
375KHz
Q6901 Q2095
LED LED
DRIVE DRIVE
83 93
65
SA-HT740P/PC BLOCK DIAGRAM
FLVOL OUT
(FRVOL OUT)
15(20)
FLF IN
16(19)
(FRF IN)
SL OUT
(39) (40)
30(41)
32 31 (SR OUT)
FL OUT
17(18)
(FR OUT)
C OUT 28
26 27
SUBOUT 48
47
OP IN 1
45
OP OUT 1 46 OP IN 2 OP OUT 2 44
AMP
IC5004
C0CBADE00023
REGULATOR
14
3 1
VCC OUT IN +B
10 9 8
Q2003
X2001
RESET +B
8MHz
12
13 33