Technics SC-EH760

SCHEMATIC DIAGRAM- 2
IC901
LC8A524A5N28
SYSTEM CONTROL/
FL DRIVE
LEQ
C
A
B
OP
C
B
A
A VBCDEFGHI JK LMNOPQR UTS
F
C
A
B
E
KIN
C
H
F
G
A
B
D
Y
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
22K
22K
Q901
UN4212TA
RESET
1
3
2
X901
(6MHz)
D934 MA165TA D933 MA165TA
C916
6.3V100
R960 1.5K R958 1K R959 47 R933 470
R937
10K
C905
1000P
R988 1K R987 1K R934 100 R935 100
D915
1SS291TA
R936
100
R919
15K
R991
47K
C926
1000P
R918 10K R928 47K
L902 1 H
R955
820K
D903
MA165TA
C913
16V10
C903
0.01
D902
1SS291TA
D901
1SS291TA
C902
10V1000
L901
10 H
D905 1SS291TA
R954
100K
R951
330K
C910
20P
C911
18P
X902
(32.7kHz)
C912
0.1
R952
10M
R929 1K
R930 1K
R932 1K
R931 1K
R956
1K
R957
1K
C925
1000P
C915
0.01
R953 100
D904
MA165TA
C914
50V2.2
R976
100K
TP
R990 100K
R993
100K
R939
1.5K
R986
1.5K
R995
220
D306
SELS5223C
( )
D951
LNJ301MPUJAD
(DIGITAL
S.WOOFER
)
D954
SELS5923C
(
PLAY/ REC
)
C
B
A
1
11
21
2
12
22
3
13
23
4
14
24
5
15
25
6
16
26
7
17
27
8
18
28
9
19
29
10
20
30
3132333435363738394041424344454647484950
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
P10
P9 P8 P7
V
DD3
P6 P5 P4 P3 P2 P1
NC NC
1G 2G 3G 4G 5G 6G 7G
NC
REMOCON
RDS DATA
RDS CLK
HP SW
MIC DET
VR JOGA
VR JOGB
NC(GND)
SH REQ
KEY KARAOKE
KEY TU
V
DD1
XC OUT
XC IN
VSS
X OUT
XIN
RESET
AC IN
SEL/ TUNER
SEL TUNER
ST/ AV6CH
RL2
RL1
LC72 CK
LC72 DO/ST
LC72 CE
LC72 DI
CHECK
TIMER S.W LED LOUNGE CHORUS MUTE POWER /ECO MUTE2 V
SS2
V
DD2
NC NC RL4 SH CS SH DO SH DI SH CK E DET CR TIMER SD
-VP
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
V
DD4
P31
P32
P33
P34
P35
REGIN0
REGIN1
STANDBY
D
R
R942 1K
R941 1K
D906
MA165TA
J
R938 1K
R926
2.2K
C901
6.3V100
U
R969 2.7K
: POSITIVE VOLTAGE LINE
: NEGATIVE VOLTAGE LINE
5.2V
5.2V
- 27.6V
0V 0V 0V
5.1V 5.1V 5.2V 5.2V 5.2V 5.2V 1.2V 3.8V 3.8V 4.4V
2.6V
0V
0V
5.1V
5.1V
5.1V
5.2V
5.1V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
5.2V
2V
1.7V
2.7V
2.2V
2.5V
1.3V
0.5V
2.5V
2.6V
-17.3V -17.3V -17.3V -17.3V -17.3V -17.3V -17.3V -17.3V -17.3V -17.6V -26.8V -26.8V 5.2V -22V -17.3V -12.5V -17.3V -12.7V
-27.6V
-26.9V
-21.8V
-21.7V
-11.8V
-16.8V
-11.4V
-11.4V
-12.2V
-17.1V
-21.7V
-21.7V
-12V
-12.6V
-7.6V
-16.8V
-9.6V
-6.8V
-18V
-18V
-18V
5.2V
-18V
-12.4V
-9.6V
-4.8V
-11.7V
1.5V
0V
0V
0V
5.1V
0V
5.2V
0V
6.2V
5.2V
P-P
F=32.7kHz
1.8V
P-P
F=32.7kHz
3.4V
P-P
F=6MHz
4.4V
P-P
F=6MHz
-25V
4V
T 3.1ms.
0V
-25V
4V
T 3.1ms.
0V
2V/2ms.DIV.
5V
0V
5V
0V
T
10ms.
2V/2ms.DIV.
0V
5V
5V
0V
T 16ms.