Technics SA-DX950 Service Manual page 63

SCHEMATIC DIAGRAM - 7
PANEL CIRCUIT
TO
MAIN CIRCUIT
(CN903)ON
SCHEMATIC
DIAGRAM-10
CP903
1 2 3 4 5 6 8 9 10
7
C1682 C1681
W908 0.01 0.01
R1689
27
R1691
27
R1693
27
R1694
27
R1692
27
R1690
27
1 2 3 4
CP907
CN907
1 2 3 4
HEADPHONE
CIRCUIT
L R
HP601
: +B SIGNAL LINE : -B SIGNAL LINE
TO TO
MAIN CIRCUIT MAIN CIRCUIT
(CN902)ON (CN901)ON
SCHEMATIC SCHEMATIC
DIAGRAM-10 DIAGRAM-9
CP902 CP901
1 2 3 4 5 6 7 8 1 2 3 4
R1687 R1685 R1683 R1681
27 27 27 27
<0V>
Q1681
<-16.23V>
R1695
R1699
<0V> 1K
3.3K
AF_MUTE
C1685
0.01
<0V>
Q1682
<-16.31V>
R1696
<0V>
1K
R1688 R1686 R1684 R1682
27 27 27 27
Q1681-Q1682
2SD1915FTA
HP MUTING
: MAIN SIGNAL LINE
5 6 7 8
D911
RVD1SS133TA
HP_L
HP_GND
HP_R
D913
RVD1SS133TA
0V1
0V2
D914
1SS291TA
D901
1SS291TA
1 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
D908
MA167ATA
D908
80 79 78 77 76 75 74 73 72 71 70
81 DEG3
<-27.01V>
82
DEG4
<-27V>
83 DEG5
<-27.01V>
84 DEG6
<-27.01V>
85
DEG7
<-29.34V>
86 DEG8
<-27.02V>
87 DEG9
<-27.04V>
DEG10
88
<-29.4V>
89 VEE
<-31.92V>
CS49326_SCDOUT
90
CS49326_SCDOUT <5V>
91 CS49326_CDIN
CS49326_CDIN
<0V>
92
CS49326_CCLK
CS49326_CCLK
<0V>
93 CS49326_CS
CS49326_CS <4.88V>
94
CS4226_RESET
<4.88V>
CS49226_RESET
95 CS49326_RESET
CS49326_RESET <4.88V>
96 INIT_IN
<0.27V>
C908
AVSS
97
<0V>
0.01
98 VREF
<5.03V>
99 VIDEO_B
VIDEO_B <0V>
VIDEO_A
100
VIDEO_A <4.86V>
R911 R910
1
2.2K 2.2K
C919
470P
R908
22K
R909
22K
R912
100K
Q902
2SA933SQRSTA
<5.01V>
HOLD
R906
270
C907
0.01
FL901
RSL0312-F
C930 330P
C929 330P
C928 330P
C927 330P
C926 330P
C925 330P
C924 330P
C923 330P
C922 330P
C921 330P
2 3 4 5 6 7 8 9 10 11
C918
470P
R903
10K
Q902
<5.01V>
<4.31V>
R907
120