Technics SA-DA10 Service Manual page 119

SCHEMATIC DIAGRAM - 4
54 53 49 48 46 45
50 47 44
VD_C
IF_DT
LIMITTER
T.CE
T.CK
T.DT
MMD_CTRL
MMD_CTRL
COM_CK
COM_DOW
COM_DIW
C928
0.01
SD
OUT_L
COM_REQS
R912
100K
COM_REQN
VD_B
VD_A
C919
100P
OUT_R
OUT_LS
OUT_RS
OUT_C
OV1
OV2
KEY2
C571
16V33
C
Q902
5.03V
5.02V
Q902
R904
2SA933SSTA
120
REGULATOR
C907
0.01
:+B SIGNAL LINE
42 41 40 39 38 37 36 35 34 33 31
43 32
R918
100K
R916
100K
R958
47K
R913
1K
R914
1K
63 62 61 59 58
64 60
R915
10K
0.01V
65
T.CE
0.01V
66 T.CK
0.01V
T.DT
67
0.11V
68 FRT_VCC2
0V
69
MMD_CTR
4.88V
70 COM_CK
0.01V
71 COM_DO
0.01V
72 COM_DI
0V
AVSS
73
5.06V
74 VREF
5.01V
75 SD
0.01V
76 COM_REQS
0V
HELP_LED/RDS_CE
77
0V
78 COM_REQN
0V
79 VIDEO_B
4.83V
VIDEO_A
80
1 2 3 4 5 6 7
R911 22K
R910 22K
R930 10K
R940 10K
D901
1SS291TA
4.31V
Q901
Q901
RVTDTC114YST
RESET
:-B SIGNAL LINE
TO
MAIN CIRCUIT (CN901B)ON
SCHEMATIC DIAGRAM-6
3 0
2 9 2 8 2 7 26 25 24 23 22 21 20 19 18 17 16 15 14 13
FL901
RSL0303-F
30 29 28 26 25 23
27 24 22 21 20 19
R917
100K
56 53
57 55 54 52 51 50 49 48 47 46 45
IC901
M38857MCA242
SYSTEM CONTROL
FL DRIVE
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
CF901
1 3
2
C905
0V
50V1
4.04V
0V
12 11 10 9 8 7 6
16 15
18 17 14 13 12 11 10 9 8 7 6
R923
3.3K
REV
FWD
R924
C915 C914
3.3K
1000P 1000P
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
-13.04V
44 43 42 41
SEG9
SEG9 40
-28.33V
SEG10
SEG10 39
-28.33V
SEG11
SEG11 38
0V
SEG12
SEG12 37
16.04V
SEG13
SEG13 36
-19.12V
SEG14
SEG14 35
-22.21V
SEG15
SEG15 34
0V
SEG16
SEG16 33
-25.25V
D908
AF_MUTE 32
-0.31V
RVD1SS133TA
SP_A 31
-7.21V
SP_B 30
4.76V
S/C_SP
29
4.76V
28
VEE
-28.49V
VGCA 27
-0.01V
26
LOUDNESS
-0.01V
25
RLY
0V
CN901A
2 1
5 4 3
5
2 1
CP501
L
10
R
9
8
TO
C
7 VOLUME
LS
CIRCUIT
6
(CN501)ON
RS
5
SCHEMATIC
+14V
4
DIAGRAM-10
-14V
3
2
1
-14V
CN 905B
KEY2
12
KEY1
11
LED_CK
10
LED_DT
9
TO
REM
8
KEY CIRCUIT
AF_MUTE
(W905)ON
7
SCHEMATIC
BK+5V
6
DIAGRAM-9
+5V
5
D_GND
4
HP_GND
3
HP_R
2
HP_L
1
CN 905A
CN 906B
R_TIN
10
VREF
A.GND
9
L_TIN
8
D.GND
TO
7
L_TOUT TONE
6
CIRCUIT
R_TOUT
5
(W906)ON
-14V
SCHEMATIC
4
+14V
DIAGRAM-9
3
2
1
CN 906A