Yamaha CDXE-400 Schematic
CDX-E400
G7G8G9
G10
G11
AA8/G12
AA7/G13
AA6/G14
AA5/G15
AA4/G16
AA3
AA2
AA1
AA35
AA34
AA33
484746454443424140393837363534
33
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16
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
G6
G5
G4
G3
G2
G1
VFL
TEST
VSS
OSCO
OSCI
VDD
RES
CE
CL
DI
AM32
AM31
AM30
AM29
AM28
AM27
AM26
AM25
AM24
AM23
AM22
AM21
AM20
AM19
AM18
AM17
AM1
AM2
AM3
AM4
AM5
AM6
AM7
AM8
AM9
AM10
AM11
AM12
AM13
AM14
AM15
AM16
■ IC BLOCK
1
IC303 : M56789FP
4-Channel Actuator Driver
SOUT1
SIN1–
IN1+
IN1–
OUT1
VM1(+)
VM1(–)
VM2(–)
VM2(+)
OUT2
IN2–
IN2+
SIN2–
SOUT2
IC302 : LB1641
Motor Driver
IN 1
GND
GND
ON/OFF
24
2
3
4
5
6
ABCDE FGH
OP1
OP2
OP2
40
VREF
A2
BIAS
25K
23K
MUTE1
+
41 22 21
23
+
+
A4
OP2
1ch
25K
2ch
3ch
23K
12
MUTE2
P2
9
7
VREFO
19
5K 10K
18
16
15
14
12
13
9
10
8
6
5
4
3
5K 10K
+
DIFFERENTIAL
VOLTAGE
+
+
DIFFERENTIAL
VOLTAGE
+
5K
5K 10K
P1
CH1
CH2
S1
A3
+
+
A3
E1
GAIN
x 5
GAIN
x 5
E2
A3
+
10K
+
A3
S2
17
Vm1
OUT 18VCC 210OUT 2
23
–
VCC2
VREF0
VCC1
VCC 1
OP2
OUT
4ch
OP1
+
24 25 28
+
A4
OP1
Hi:Sleep
SLEEP
7
GND(4PIN)
–
OP1
OUT
VCC2
42
TSD
11 29 33 20
VCC1
IC3, 105 : NJM2068D-D
Dual OP-Amp
OUT
4
VZ
PRE DRIVER
5
1
INPUT LOGIC
IN 2
6
–IN
+IN
–V
CC
IC4 : M5290P
Constant-Voltage Tracking Supply with Reset
9
10
VCC
REFERENCE
REGULATOR
ON/OFF
CONTROL
–VCC
E–
16 15 12 7
1
3
E– C–
C+
14 13
CURRENT
CONTROL
CURRENT
CURRENT
CONTROL
CONTROL
NC
PROTECTION
+
4
2
NC
DIFFERENTIAL
DIFFERENTIAL
1
1
2
1
3
1
4
+
OUTPUT
E4
CH4
VOLTAGE
GAIN
x 10
CH3
VOLTAGE
GAIN
x 10
E3
(–5V)
+
A1
+
A1
25K
4K
A3
+
A1
+
–+
OUTPUT
(+5V)
5
IC101 : AN8399SA
CD Head Amp
RFN
RF OUT
RF IN
CAGC
ARF
CBDO
BDO
COFTR
60K60K
28
Vm2
4 5 6 8 9 12 13 14 15
OFTR
OFTRBDOAGCRF EQ
10
27
IN4B–
30
IN4A–
+
32
VM4(+)
31
VM4(–)
+
+
35
VM3(–)
34
VM3(+)
+
39
IN3–
38
IN3+
36
OUT3
37
Vm3
60K60K
VREF
32
A
AMP
31
C
30
B
AMP GCA BCA
29
D
E
27
AMP GCA BCA
28
F
AMP GCA BCA
19
NRFDET 3TENV
GCA BCA
+
–
SUBT
SUBT
–
+
–
+
–
+
11
16
22
23
20
21
2
1
CEA
3T OUT
NRFDET
FEN
FEOUT
TEN
TE OUT
LD
PD
BAND GAP
25 177 3262418
VCC
SLPSW
GCTL
TBAL
FBAL
GND
LDRCTL
IC104 : S-24C01ADP
Electrically Erasable PROM
+V
CC
8
8
OUT
2
7
– +
–IN
2
6
5
+IN
2
VCC
VSS
SDA
SCL
NC
NC
NC
NC
4
START
5
STOP
LOGIC
6
1
2
3
7
DELAY
REFERENCE
11
IN
8
RESET OUT
DELAY
CIRCUIT
BAL. ADJ.
6
LOAD
WORD
ADDRESS
COUNTER
CONTROL
LOGIC
INC
PIN
START
CYCLE
D
ACK
H.V.GENERATION
TIMING &
CONTROL
2
E PROM
32
XDEC
5
OUT
2
CK
DATA REGISTER
32X32
32
YDEC
8
D
OUT
IC301 : LC75710NE
FL Driver
DI
CL
CE
VDD
VSS
VFL
RES
TEST
OSC I
OSC O
CONTROL
■ PIN CONNECTION DIAGRAM
61
80
S1NB20
8
8
MN35511AL
60
–
+
2SA1708(S,T)
C
E
M56789FP
28
B
1
41
40
21
201
DIN60-4084
1SS133
MTZJ4.3A
MTZJ5.1B
MTZJ5.6B
MTZJ30.0B
2SA933S(Q,R)
2SD1915(F)ST
B
C
E
S-24C01ADP
NJM2068D-D
8
1
LC75710NE
48
49
64
Anode
Cathode
2SB544(E,F,G)
E
C
B
M5290P
4
16
1
33
32
17
161
SHIFT
REGISTER
ADDRESS
REGISTER
BLINKCYCLE
REGISTER
DISPLAY
REGISTER
DUTYCYCLE
REGISTER
GRID
REGISTER
INSTRUCTION
DECODER
DIVIDER DECODEROSC
2SB1565(E,F)
2SD2396(J,K)
B
C
E
15
14
DC RAM
ADDRESS
COUNTER
BLINK
GENERATOR
DISPLAY
CONTROL
DUTY
GENERATOR
GRID
CONTROL
CONTROL
TIMING
GENERATOR
M56789FP
42
µPD78076GF-108-3BA
80
81
100
1
LATCH
1
CG
ROM
CG
ROM
AD
RAM
LB1641
1
ANODE
DRIVER
GRID
DRIVER
AM1
AM2
AM35
AA1
AA2
AA3
AA4/G16
AA5/G15
AA6/G14
AA7/G13
AA8/G12
G11
G10
G2
G1
LATCH
10
21
51
50
31
30
ABCDEFGH
IJKLMN
CDX-E400
■ SCHEMATIC DIAGRAM
1
0
0
0
0
2.5
2.6
0
2.6
1.4
2.6
2
5.1
4.9
1.1
2.6
2.5
2.5
2.6
LD DRIVE
2.7
2.6
2.6
2.6
2.6
2.6
2.4
2.5
2.5
2.6
0
0
CD HEAD AMP
0.2
3.9
5.1
2.6
4.6
2.5
2.6
2.5
0
0
2.5
3.5
0
2.5
3.9
4.1
2.6
2.1
5.1
5.1
0
0
0
2.5
2.5
5.1
q
2.5
2.5
0
0
2.6
2.4
2.6
SPC & DAC
2.5
2.5
5.1
5.0
2.5
0
2.5
2.6
2.5
2.4
2.5
2.5
2.5
~
5.1
5.1
2.5
2.5
5.0
~
5.1
~
5.1
5.1
0
0
0
5.1
~
~
2.6
0
0
5.1
5.1
0
5.1
0
5.1
0
0
0
0
0
–5.0
0
MUTING
00
–5.0
00
00
–5.1
00
–5.0
–5.0
3
t
MUTE CONTROL
5.2
5.2
2.5
0
4
ACT. MOTOR DRIVER
2.5
0
2.5
5
MOTOR DRIVER
6
2.6
~
0
5.1
5.1
~05.1~~
~
~
5.1
0
2.5
2.5
SYSTEM CONTROL
5.1
~
5.1
~
5.1
5.1
5.1
5.1
5.1
5.1
0
µPD78076GF-108-3BA
w
5.1
0
000
5.1
5.1
0
000
EEPROM
5.1
5.1
5.1
5.1
5.1
5.1
0
0
0
5.1
0
5.1
2.4
2.8
0
0
0
0
5.1
5.0
0
5.1
00
A
r
–28.2 –32.1 –22.1
–28.2
–22.6
5.1
5.0
–28.8
5.2
5.2
5.2
0
0
–12.6
–5.0
–5.0
5.1
–12.6
0
0
9.4
10.2
9.4
10.2
10.2
5.5
5.5
0
5.1
1.3
0
1.2
5.1
0
–10.2 –0.4
–0.5
5.2
10.2
POWER SUPPLY
r
B
–22.1
AC19.6
Z
Z
AC3.7
–12.6
7
CIRCUIT CHANGES BY MARKET.
~
~
~
Point q (Pin 59 of IC102)
V : 2V/div, H : 50nsec/div
DC, 1 : 1 probe
0V
8
Point r-A (/RESET : Pin 8 of IC4)
Point r-B (VCC : Pin 16 of IC4)
V : 2V/div (/RESET), V : 5V/div (VCC)
DC, 1 : 1 probe, H : 5 sec/div
/RESET
~
~
~
~
~
~
~
~
~
~
~
~
e
FL DRIVER
VCC
AC CORD : OFFAC CORD : ON
~~~~~~~~~~~~~
~
Point w (Pin 10 of IC103)
V : 2V/div, H : 0.2µsec/div
DC, 1 : 1 probe
0V
Point t (EFN)
V : 0.2V/div, H : 0.5µsec/div
AC, 1 : 1 probe
~~~~~~~~~
–22.3
–22.3
~~~~~~~~~~~~~
~~~
~~~~~~~~~~~~~
~~~~~~~~~~~
–22.3
–22.3
~
~
~
~
~
~
~
~
~
~
~
~
~
~
Z
Z
Z
O : USED X : NOT USED
9
10
Point e (Pin 58 of IC301)
V : 2V/div, H : 0.2µsec/div
DC, 1 : 1 probe
0V
Test disc
SONY YEDS-18 (P/No. TX911730)
A-BEX TCD-782 (P/N. TX913350)
or Philips 5 : x1
* All voltage are measured with a 10MΩ/V DC electric volt meter.
* Components having special characteristics are marked Zand
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
25
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