Technics SA-DX950 Service Manual page 64

SCHEMATIC DIAGRAM - 8
PANEL CIRCUIT
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
IC901
C2BBGF000262
MICRO COMPUTER
12 13 14 15 16 17 18 19 20 21 22 23 24 25
OUT IN
1 3
GND
2
CF901
<4.83V>
RVBCST4R00MT
<0V>
Q901
RVTDTC114YST
<0V>
HOLD
: +B SIGNAL LINE
45
SP_B
50
SP_B
<4.76V>
SIC
49
S/C_SP
<7.45V>
TC916x_TNR_DT 48
<0V>
47
TC916x_TNR_CLK
<0V>
46
TC916x_STB
<0V>
R917
45
LIMITTER
<4.86V>
1K
44
DVD_6CH_LED
<0V>
43
DIGITAL_LED
<0V>
PHONO_LED 42
<0V>
41
TU_LED
<0V>
CD_LED 40
<0V>
39
DVD_LED
<0V>
38
TV_LED
<0V>
VCR_LED 37
<0V>
TAPE_LED
36
<0V>
SEL_
35
ENCD_2
<0V>
SEL_
34
ENCD_1
<0V>
33
F_VCR2
<0.01V>
HOLD 32
<5.03V>
31
<4.98V>
26 27 28 29 30
C902
C904
C901
0.1
6.3V1000P
6.3V1000P
D902
RVD1SS133TA
C905
50V1
R902
C906
4.7K
50V1
TO
DIGITAL CIRCUIT
(CN904B)ON
SCHEMATIC
DIAGRAM-6
CN904A
1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18
7
D938-D939,D944
SLR325MCT31
D944
R946
GREEN
150
D939
R939
GREEN
270
D938
R938
GREEN
150
VOL2
VOL1
R940
D940
ORANGE
270
D940
SLR325YCT31
1
R921
SFC2
4.7K
SFC1
2
3
C917
Z901
16V10
B3RAD0000028
REMOTE SENSOR
R960 R961 R962
R923
1K 1.2K 1.5K
10K
S-DET
R924 R951 R952 R953 R954
10K 2.2K 1.5K 1.8K 2.2K
VR901
INPUT
COM B A
1 2 3
R992
100K
R991
100K
VR902
VOLUME
COM B A
1 2 3
R994
100K
R993
100K
VR903
SFC
COM B A
1 2 3
R996
100K
R995
100K
R963 R964 R965 R966 R967
1.8K 2.2K 4.7K 6.8K
3.3K
R955 R956 R957 R958
3.3K 4.7K 6.8K 12K
W906
1
TO
SWITCH
2
R968
CIRCUIT
12K
3
(W906)ON
4
SCHEMATIC
DIAGRAM-12
5