Technics SL-DZ1200PP Service Manual page 138

SCHEMATIC DIAGRAM-10
K
J
L
IC33
PCM1734EB-E2
D/A CONVERTER
C
A
B
D
S
73
B
MAIN CIRCUIT
(3.4V)
3.4V 3.4V 5V 5V
0V
28 27 26 25 24
1 2 3 4 5
Z47
1.7V 0V 1.7V 1.7V
33
(1.7V)
IC4
C0ZBZ0000378
INTERFACE
1
2
3.5V
Z70
3
33
1.7V
4
5
1.7V
6
(1.7V) 0V
7
8
9
3.5V
10
11
12
13
1.7V
14
15
74 75
:POSITIVE VOLTAGE LINE
5V 5V 2.5V
23 22 21 20 19 18 17
6 7 8 9 10 11 12
5V 5V 2.5V
3.5V
V 30
BLOCK DD
UBDA CKA2 29
LRS CKA1 28
LRCK LBIT 27
26
NC NC
BCK FR32 25
3.5V
CTG3 24
DATA
3.5V
23
YLDY CTG2
EMPH CTG1 22
3.5V
21
COPY IS2
3.5V
FS1 IS1 20
FS2 M2 19
18
CKS M1
X1 D02 17
1.7V
16
V D01
SS
76
:NEGATIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE
C88 R113
16V10 47K
0V
2.5V 5V
16 15
IC35
M5218AFPE3
BUFFER AMP
13 14
2.5V C89 R114
16V10 47K
0V
Q9
B1GBCFQQ0005
SWITCHING
R195 2.7V
(0V)
10K
0.1V
Q6
B1GBCFQQ0005
SWITCHING
(0V)
0.1V
3.4V
5.3V
R79 R238
1.7V
5
1
220 0
4
3.4V
2.1V
2
3
IC15
C0JBAA000001
LOGIC CONTROL
77 78
C71 0.1
C72 0.1
C73 0.1
R117
100K
C93
22P
0V
(1/2)
0V
R118
100K
C94
22P