Panasonic SA-HT940PC Service Manual page 62

SA-HT940P / SA-HT940PC
IC8421
C0FBBK000050
24 BIT AUDIO DIGITAL TO ANALOG CONVERTER
SRCK 7 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 16 DVD MIX L
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
V OUT2
DELTA-SIGMA OUTPUT AMP AND 26 DVD FR
DAC
MODULATOR
LOW-PASS FILTER
OUTPUT AMP AND V OUT3 22 DVD SL
DAC
LOW-PASS FILTER
V OUT4 21
OUTPUT AMP AND DVD SR
DAC
LOW-PASS FILTER
20
OUTPUT AMP AND V OUT5 DVD CNT
DAC
LOW-PASS FILTER
V OUT6 19 SUBW
OUTPUT AMP AND
DAC
LOW-PASS FILTER
Q2006
ZFLAG 28
MUTING
QR8420 Q2307
MUTING
MUTING
Q2308
Q2309, Q2310
BUFFER
VR6800
(VOLUME) VREF+
+B
45 18 92 91 11 100
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) FLSEL OUT
(FRSEL OUT)
INL1
MIX L(R)
96(95) (INR1)
FL IN AMP
DVD FL(FR) 84(83) (FRIN)
85
-B VEE
86
+B VCC
81(80) SL IN (SR IN)
SLSEL OUT
(SRSEL OUT)
AMP
DVD CNT 82 C IN
CSEL OUT
AMP
DVD-SUBW 79 SUB IN
SUBSEL OUT
H BASS
AMP
ASS
MCU I/F
64 65 54 56 55
6
MUTING +
5 _
Q2602, Q2603
IC2105-(2)
SUBW
C0ABCB000088
LEVEL CONTROL
HARMONIC BASS AMP
Q6902
Z6900
LED
(REMOTE SENSOR) DRIVE
+B
10 52 26 49 50
62
IC2104, IC2205
C0ABCB000052
OPERATIONAL AMP
IC2301
C0JBAR000326
SWITCHING
Q2303,2306
Q2303
BUFFER
14
13 FLVOL IN
WIDE
(22) (21) (FRVOL IN)
SURROUND
CIRCUIT
(36) (37)
SLVOL IN
35 34 (SRVOL IN)
(39)
32
AMP
23 24 CVOL IN
26
AMP
53 52
SUBVOL IN
AGC
SUBOUT 48
AMP
46
OP IN 1 47
AMP
46
OP OUT 1
7
IC5010
C0JBAB000472
INVERTER GATE (CLOCK GENERATOR)
14
VCC
1 2 3 4 11 10 9 8
+B
X5010 415KHz
5 6
D6901 D6906 D6907 X5010
375KHz
Q6901
Q2095
LED LED
DRIVE DRIVE
82 83 93
65 12
SA-HT940P/PC BLOCK DIAGRAM
FLVOL OUT
(FRVOL OUT)
15(20)
FLF IN
(FRF IN) 16(19)
SL OUT
(40)
(SR OUT) 30(41)
31
FL OUT
17(18)
(FR OUT)
C OUT 28
27
45 OP IN 2 OP OUT 2 44
AMP
IC5004
C0CBADE00023
REGULATOR
3 1
+B
OUT IN
Q2003
X2001
RESET +B
8MH8
13 33 55