Technics SL-EH560 Service Manual page 72

SCHEMATIC DIAGRAM-2
2.4V
P-P
F=33.8688MHz
C722
3P
3.4V
1.6V
1.6V
C721
3P
3.4V
(1.2V) 0V
1.7V
1.7V
1V
R741
47K
1.7V
R742
220K
1.7V
C760
0.1
PLAY
0V
4.7K 3.4V
2ms. 0.1V/DIV.
10K
Q702
DTC143XUA106
SWITCHING
S701
(REST)
7.8V
TP16
:POSITIVE VOLTAGE LINE
C731
6.3V220
C730
0.1
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
V
60 DD
X2 OUT
59
PLAY
300mV
X1 IN
58
P-P
Vss
57
SBCK F=33.8688MHz
56 T 13.3ms.
SUBC
55
VCOF2
54
PCK
53
IC702
EFM
52
MN662790RSA1
AVss2
51
SERVO PROCESSOR/
AV 2
50 DD DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
VCOF
49
D/A CONVERTER
PLLF
48
DSLF
47
PLAY
DRF
46
PLAY
IREF 0.8V
45
P-P
ARF
44
F=75Hz
WVEL
43
0.5 s. 0.2V/DIV.
DSLF2
42
PLLF2
41
40 39 38 37 36 35 34 33 32 31 30 29 28 27
0.6V
P-P
A B C D E F G H I A B C
K J I H G
TP3 TP6 TP7 TP8
TP1 TP2 TP4 TP5
1 2 3 4 5 6 7 8
:CD SIGNAL LINE
R717
1K
PLAY
2.2V
P-P
1kHz, 0dB
R718
1K
BCLK
1
LRCK
2
3.3V
SRDATA
3
3.4V
DV 1
DD 4
0V
DVss1
5
1.7V
TX
6
3.4V
MCLK
7
0V
MDATA
8
3.4V
MLD
9
SENSE TP11
10
/FLOCK TP10
11
/TLOCK TP9
12
0V
BLKCK
13
2.9V
SQCK
14
3.3V (0.2V)
SUBQ
15
3.3V
DMUTE
16
0V (3.3V)
STAT
17
0V
3.4V
/RST
18
SMCK
19
3.4V
CSEL
20
26 25 24 23 22 21
PLAY
0.2V
P-P
2ms. 0.1V/DIV.
D E F G
D C B
TP12 TP13 TP14
TP15
C743
0.1
9 10 11 12 13 14 15 16 17
D
To MAIN CIRCUIT(CN402)
on SCHEMATIC DIAGRAM-5
3.4V 5V
TP23
C727
50V1
A
TP21
C728
50V1
B
L702
3.4V 5V
A
B
C
D PLAY
2.9V
0V
T 13.3ms.
G
H
PLAY
3.3V
I
0V
J T 26.6ms.
K
A C753
470P
TP17
TP20
3.4V 5V
B
TP19 TP22
A
CN702
18 19 20 21 22 23