Yamaha Portatone PSR-E213, Руководство по обслуживанию

Страница: 16 / 37

PSR-E213/YPT-210
16
■
IC BLOCK DIAGRAM （ICブロック図）
1
2
3
4 -V
8
7
6
5
A Output
+V
A+INPUT
V
-
V
+
B Output
B
-
INPUT
B +INPUT
A
-
INPUT
+ -
+ -
• AK4385ET ( X6040A00)
D/A Converter
DMLCD: IC201
• NJM4580E (X2331A00)
Dual Operational Amplifier
DMLCD: IC202
1
2
3
4
5
6
7
16
15
14
13
12
11
8 7
8
10
9
CSN
CCLK
CCLK
CDTI
CDTI
LRCK
LRCK
BICK
BICK
SDTI
SDTI
PDN
PDN
VDD
MCLK
MCLK
VSS
DZFL
DZFR
AOUTL+
AOUTL-
AOUTR+
AOUTR-
VDD
VSS
DZFL
DZFR
AOUTL+
AOUTL-
AOUTR+
AOUTR-
∆Σ
Modulator
∆Σ
Modulator
µ
P
Interface
De-emphasis
Control
Clock
Divider
Audio
Data
Interface
8X
Interpolator
8X
Interpolator
SCF
SCF
CSN
•
ML9040A-B01GAZ03A
(
XZ987A00
)
LCD DRIVER
•
NT3881DF-01
(
X3148A00
)
LCD DRIVER
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
I
I
I/O
I/O
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
Vss
OSC1
OSC2
V1
V2
V3
V4
V5
CLK1
CLK2
Vdd
M
D
RS
R/W
E
DB0
DB1
NAME
Segment signal output for LCD
driving
Ground
Oscillator
Oscillator
Power supply
Data latch clock
Data shift clock
Power supply (+5 V)
Altamated signal for LCD driver outout
Display data interface
Read/write
Enable
Data interface
Data interface
FUNCTION
PIN
NO.
41
42
43
44
45
46
47
48
49
50
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
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
DB2
DB3
DB4
DB5
DB6
DB7
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
NAME
Data interface
Common signal output for LCD
driving
Segment signal output for LCD
driving
FUNCTION
DMLCD: IC301