Block Diagram - Yamaha CDX-E400 Service Manual

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I

BLOCK DIAGRAM

1
CD MECHA. UNIT
PICK UP
VCC VCC
E
D
A
B
C
F
2
GND
LD
VR
MON
FA+
TA+
TA—
3
FA—
SPDL+
SPINDLE
M
SPDL—
FEED+
FEED
M
FEED—
FLSW
FLSW
GND
4
5
LOADING+
LOADING
M
LOADING—
OPEN
LOADING
GND
SW
CLOSE
6
C
+5
28
EFM
5
+5
TP1
32
29
9 ARF ARF
31
18
HEAD
30
AMP
27
IC101 CONTROL
AN8399SA
7
2
LD DRIVE
Q1
VREF
1
FDO
IC303
KICK
M56789FP
41
TRD
12
15
ECM
13
ECS
9
6
TRV
10
TVD
32
27
31
34
39
36
17,20
+5M
XL102
LDRCTL 32
FLSW
IC302
LB1641
7
+VB
6 CLOSE
2
5
10 OPEN
1
OPSW
CLSW
D E
XL101
58 59
LPF
IC3
IC3
2 1 5
44 63 OUT L
64
LPF
IC102 IC105
IC105
MN35511AL
2 1 5
65 OUT R
29
66
SPC+DAC
28
26
27
24
6 TX
25
21 8 MDATA
22 7 MCLK
18
5
47 MDATA
10
48 MCLK
11 4 MUTE
15 RESET
19 IN
D105
21 20 OUT
29 SDA 5
SYSTEM CONTROL IC104
EEP ROM
IC103
30 SCL 6 S-24CO1ADP
8bit CPU
PD78076GF
47
61 DISPLAY DRIVE
86 48
| IC301
50
64 LC75710NE
87 51
KD0, KD1
68
1
69
76
2
KEY MATRIX
| K0-K2
SW301—306
78
F
7
Q3 Q4
Q5 Q6
7
MUTE
CONTROL
Q7
D1—5
SYSCON
-VB -5 +5 +5M +VB
POWER
RESET 8
SUPPLY
IC4
(IC4)
Q8—10
VF
D6—9, 11, 13
D12
T401
DISPLAY
V301
30 31 57 58
F1 ACF
F2 ACF
G H
CDX-E400
PJ1
L
LINE OUT
R
DIGITAL OUT
CB6
OPTICAL
JK1
SYSTEM
CONNECTOR
L401
21