Panasonic SA-HT17PP Service Manual page 37

SCHEMATIC DIAGRAM - 10
MAIN CIRCUIT
R948 47K
R947 47K
R940 10K
R910 10K
R914 10K
R913 10K
SPEC1
SPEC2
SPEC3
R904 10K
R905 10K
R997
R902
10K 10K
V_A
V_B
V_C
DCDET
R917 1K
S_DET R909 1K
VREF R911 10K
R915 10K
D903
SYS6V
C916 C908 R916
C915
0.01 0.01 33K
6.3V100
D903
D901
B0ACCK000005
B0ACCE000003
VCC1
C901 C904
C902
6.3V1000 6.3V1000
0.1
Q901
B1GACFJN0007
RESET SWITCH
C905
50V1
VREF
C935
R941 D904
50V1 47K B0ACCK000005
: +B SIGNAL LINE
: -B SIGNAL LINE
C958
1000P
C957
1000P
80 78 77 75 74 73 70 69
79 76 72 71
81 KEY1
82
KEY2
83
SPEC1_100HZ
84
SPEC2_1KHZ
85
SPEC3_10KHZ
86
INIT2
87
INIT1
88 IN_OUT
89
NC
C2CBHG000166
90
NC
MICROPROCESSOR
91
VIDEO_A
92
VIDEO_B
93
VIDEO_C
94 DC_DET
95
S_DET
96
AVSS
97
DIVIDER (SND)
98
VREF
99
AVCC
100
NC
3 4
1 2 5 6 7 8 9 10 11 12
W24 W25
0 0
R906
27K
W19
C903
0
0.01
CF901
H2A100500006
C981
33P
C959
1000P
C960
1000P
68 65 64 61 60 59 57 56 54
67 66 63 62 58 55 53
IC900
CS49300_RESET
CS49300_CDOUT
24 26 27
13 14 15 16 17 18 19 20 21 22 23 25 28
W46
0
IN OUT
GND
C982
33P
C917
0.01
37
R918
10K
51
52
NC
50
FRONT_FC2 49
NC 48
R912
SURR_FC2 47
10K
VREF
VREF 46
45
NC
44
NC
NC 43
42
NC
41
NC
HAR_LEVEL
HAR_LEVEL 40
W61 0 HAR_MUTE
39
HAR_MUTE
FCS49
38
NC
W49 0
RDS_CLK 37
RDS_DT 36
RST49
35
CS49
34
CS49300_CS
CCLK49
CS49300_CCLK 33
CDOUT49
32
CDIN49
31
CS49300_CDIN
29 30
DSP_OFF
FINT49
W45
0
R934
10K
R935
10K
R908
100K
VREF
W20
0
SA-HT17PP
SPEC1
-7.5V
SPEC3
SPEC2