A
1
2
3
4
5
6
8
9
B
C
D
E
G
H
I
J
K
L
TSX-10/15/20
SCHEMATIC DIAGRAM (CD)
H
All v oltage are measured with a 10MΩ /V DC electric volt meter.
H
Components ha ving special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
H
Schematic diag ram is subject to change without notice.
IC401, 402: NJM2068MD
IC408: NJM2903M
Dual OP-Amp
IC403: TC74HC125AF
Quad Bus Buffer
–
+
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4
5
+IN
1
–IN
2
+IN
2
–+
6
7
8
40
Point A Pin 59 of IC406
IC404: AN8399SA-E1
CD Head Amp.
IC400: AN4801SB-E1
CD Driver Amp.
IC405: TA8409SE
+
–
21
20
+
–
19
+
–
2
1
SUBT
AMP
+
–
GCA
BCA
32
31
23
11
16
10
4
5
6
8
9
12
13
14
15
AMP
GCA
BCA
30
29
AMP
GCA
BCA
27
AMP
GCA
BCA
28
SUBT
NRFDET
3TENV
OFTR
BDO
AGC
RF EQ
BAND GAP
22
25
17
7
3
26
24
18
A
C
B
D
E
F
VREF
SLPSW
GCTL
TBAL
FBAL
LDRCTL GND
VCC
CEA
RFN
RF OUT
RF IN
CAGC
ARF
CBDO
BDO
COFTR
OFTR
3T OUT
NRFDET
FEN
FEOUT
TEN
TE OUT
LD
PD
4G
13
4A
12
4Y
11
3G
10
3A
9
3Y
8
1A 2
2Y 3
2G 4
2A 5
2Y 6
GND 7
Vcc
14
1G 1
9
2
6
7
3
8
5
1
STAND-BY
CIRCUIT
VREF
CIRCUIT
THERMAL
SHUTDOWN
CIRCUIT
VCC
VS
VREF
OUT 1
OUT 2
IN 1
IN 2
GND
SVcc
20
Standby
SVcc
PGND2
25
26
23
VREF
FIN
23
4
3
1
2
8
9
11
10
13
12
15
14
17
16
18
19
SGND
PC2
IN1
IN2
IN3
PC1
IN4
5
PVcc2
V04-
V04+ V03-
V03+ V02-
V02+ V01-
V01+
PVcc1 PGND1
M
M
L: All mute
H: Active
L: Active
H: Power Cut
L: Active
H: Power Cut
Standby
Band-gap
Vcc/Vref
Reset Circuit
[Tracking]
[Focus]
[Spindle]
[Traverse]
Pvcc/2
Pvcc/2
REST
out
Direction
Detect
Direction
Detect
Direction
Detect
Direction
Detect
IC474 : LC75342M-TLM
Input Selctor & Electric Controlled Volume
28
27
29
30
1
2
3
4
14
13
12
11
15
16
5
7
9
10
21
17
18
19
20
8
6
26
23
25
24
22
CCB
INTERF
ACE
CONTR
O
L
CIRCUIT
CONTR
O
L
CIRCUIT
CONTR
O
L
CIRCUIT
LV
R
E
F
RV
R
E
F
+
–
–
+
+
–
+
–
+
–
–
+
+
–
+
–
+
–
+
–
LOUT
LBASS2
LBASS1
LTRE
LIN
LSELO
ROUT
TEST
VSS
CE
DI
CL
VDD
VREF
NC
RBASS2
RBASS1
RTRE
RIN
RSELO
L4
L3
L2
L1
NC
NC
R1
R2
R3
R4
Anode
Cathode
MA8051-M
RB501V-40
1SS355
MA8068-M
MA8062-M
2SD1938F
DTC144EKA
2SA1037K
2SC2412K
BU2092
1
9
18
TC74HC4051AF
S-29390AFJA
NJM2068MD
NJM2903M
1
8
16
1
4
8
AN4801SB-E1
TC74HC126AF
AN8399SA-E1
TA8409SE
1
13
14
20
21
27
28
6
7
26
1
7
14
1
16
32
LC75342M
1
15
30
1
9
MN35511AL
41
40
21
60
61
80
20
1
C
2SC4488
B
CD
TUNER
AUX
4.7
4.9
2.4
0
0
0
5.0
5.0
5.0
5.0
5.0
0
0
0
0
2.5
2.4
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5.0
5.0
5.0
0
0
0
0
0
0
0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
9.0
9.0
9.0
0
0
0
0
0
0
0
0
0
0
0
0
-11.5
-11.4
-11.4
-11.4
5.0
4.9
-11.5
0
11.9
0
5.0
-11.4
-11.3
-11.3
0
0
5.0
2.6
0
0
0
4.9
0
2.6
5.0
0
0
0
4.9
2.5
2.5
2.5
2.5
2.2
2.4
2.4
5.1
5.1
2.5
2.5
2.5
2.1
2.7
2.4
2.4
0
0
0
0
0
0
5.1
0
0
0
5.1
5.1
0.2
0.2
9.9
0
0
0
0
2.5
2.6
4.7
2.5
2.6
4.8
5.0
5.0
0
0
0
0
0
0
4.9
4.9
2.6
~
~
2.6
2.6
2.4
2.5
5.0
2.1
1.4
0
0
0
2.5
0.2
4.1
5.1
2.6
2.7
2.7
2.6
2.6
2.6
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.2
2.4
3.4
0
0
0
2.3
2.4
0
5.0
2.4
2.7
0
0
0
2.6
1.5
4.2
2.4
4.0
4.0
4.1
1.9
To DIGITAL (2)
CB201
To DIGITAL (2)
CB205
To MAIN (1)
W1
To MAIN (1)
W2
DIGIAL 1
MOTOR DRIVER
MUTE
MUTE
COMPARATOR
DRIVER
AMP
MUTE
ELECTRICAL VOLUME
WITH INPUT SELECTOR
HEAD
AMP
LD
DRIVE
CD MECHANISM
DIGIAL 4
DIGIAL 6
DIGIAL 5
SW400
SW401
w w w
.
x i a o y
u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
