Panasonic SA-HT920P Service Manual page 118

Dvd home theater sound system
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CHEMATIC DIAGRAM - 7
: +B SIGNAL LINE
C
DSP CIRCUIT
R680
R679
10K
10K
L600-L601
J0JBC0000019
Q606
L600
C602
0.01
Q606-Q607
OUTPUT
1
B1GBCFJN0021
Q607
OPTICAL
GND
2
SWITCH
VCC
3
JK600
C617 0.1
80
79
78
77
81
VSS
82
PO0
PO1
83
84
PO2
85
PO3
86
PO4
87
PO5
88
PO6
89
PO7
C618
0.1
90
VDDDL
C619 0.1
91
LPFO
92
DLON
93
DLCKS
C620 0.1
94
SCKO
95
VSSDL
R640
1K
96
SCKI
97
VSSX
R619
220
98
XO
99
XI
X600
VDDX
100
R620
1M
C623
C624
1 2 3 4 5 6
22P
22P
C621
6.3V100
C622 0.1
C603
0.1
X600
H0J245500035
Q600
Q600
B1GBCFJJ0039
DSP RESET SWITCH
Q601
B1ABEB000001
AUDIO MUTING
C604
0.1
R690
100
R689
100
: -B SIGNAL LINE
: MAIN SIGNAL LINE
C647
C648
C678
0.1
6.3V100
0.1
NC
OUT
1
5
IC604
IC604
Q605
GND
2
C0CBCBE00003
POWER SUPPLY
R678
SW
IN
4
3
10K
C649
C650
6.3V100
0.1
Q605
B1GBCFJN0021
SWITCH
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
/WR
50
VSS
49
LOCK
48
CKO
47
VSSA
46
R646
CKI
45
1K
AMPO
44
43
AMPI
PLON
42
IC600
VDDA
41
C2HBZH000002
PDO
40
AUDIO DIGITAL PROCESSOR
/TSTSUB2
39
/TSTSUB1
38
FCONT
37
/TSTSUB0
36
VSS
35
34
RX
/TEST3
33
/TEST2
32
TXO
31
7 8 9 10 11 12 13 14 15
16
17 18 19 20 21 22 23 24 25 26
27
28
29
30
R611
12K
R610
12K
R626
220
12K
R609
R622
220
R605
2.2K
R627
1.2K
Q601
44 43 42 41 40 39 38 37 36 35 34
R606
12K
1
SDOS
2
12C
3
SMUTE
4
BICK
IC601
5
LRCK
R692
6
C0FBZK000007
100
SDTI1
AUDIO CODEC
7
SDTI2
8
SDTI3
R608
9
SDTO
4.7K
10
DAUX
11
DFS
R607
4.7K
12 13 14 15 16 17 18 19 20 21
R691
100
L603
L604
L603-L604
J0JBC0000019
R629
470
R628
470
R632
10K
C635
C633
47P
1000P
220
R641
8
9
10
11
12
-VCC
C613 0.01
C615
C612
R618
6.3V47
IC602
C0ABCB000052
100
0.47
QUAD OP AMP
R616
R615
C614
0.1
4.7K
10K
+VCC
R614
7
6
5
4
3
1K
C646
47P
R639
10K
R630
470
R631
470
C634
1000P
L605
J0JBC0000041
R654
R653
100K
100K
DZF2+
33
RIN+
32
RIN-
31
LIN+
30
29
LIN-
C652
C651
R652
220
ROUT1
28
2200P
2200P
R651
220
LOUT1
27
ROUT2
26
LOUT2
25
ROUT3
24
LOUT3
23
R655
220
22
R656
220
R659
220
R660
220
R668
4.7K
R649
C663
R634
12K
16V10
7.5K
C639
47P
13
14
2
1
C642
47P
C664
R650
16V10
12K
R637
R667
4.7K
7.5K
C645
0.01
SEL_L
SEL_R
SUBW
C
SR
SL
C657
16V10
C658
16V10
C661
16V10
C662
16V10
INPUT_L
30
DEC_AGND
29
INPUT_R
28
27
DEC_A+5V
DEC_A+5V
26
DEC_D+5V
DEC_D+5V
25
DEC_DGND
24
PO0
PDOWN
23
22
21
20
19
FRONT RIGHT
18
B
FRONT_GND
17
TO
FRONT LEFT
MAIN CIRCUIT
16
(CN2003) ON
SUBWOOFER
15
SCHEMATIC
SUBW/C_GND
DIAGRAM - 3
14
CENTER
13
SURROUND RIGHT
12
SURROUND LEFT
11
SURR_GND
10
MIDIO
MI DATA I/O
9
LOCK
MI LOCK
8
/MIACK
MI ACK
7
MI CLOCK
/MICK
6
/MILP
MI LATCH
5
DSP_RST
DSP RESET
4
/MICS
MI ENABLE
3
P02
DSP STATUS
2
1
CN600

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