This schematic diagram may be modified at any time with the
development of new technology.
Notes:
Notes:
Notes:
Notes:
∙∙∙∙
S701 : Rest position detect switch in “OFF” position.
(It turns “ON” when optical pickup comes to
innermost periphery)
∙∙∙∙
S790 : CD tray open detection switch.
∙∙∙∙
S791 : CD tray close detection switch.
∙∙∙∙
S801 : Stop (
) switch.
∙∙∙∙
S802 : Play (
) switch.
∙∙∙∙
S803 : Pause (
) switch.
∙∙∙∙
S804 : CD tray open/close (
OPEN/CLOSE)
switch.
∙∙∙∙
S805 : F. skip/ search (
) switch
∙∙∙∙
S806 : R. skip/ search (
) switch.
∙∙∙∙
S807 : CD text select (CD TEXT) switch.
∙∙∙∙
S808 : AI edit (AI EDIT) switch.
∙∙∙∙
Indicated voltage values are the standard values for
the unit measured by the DC electronic circuit tester
(high-impedance)
with
the
chassis
taken
as
standard. Therefore, there may exist some errors in
the voltage values, depending on the internal
impedance of the DC circuit tester.
No mark: CD STOP
( ): CD play [1kHz, L+R, 0dB]
Importa
Importa
Importa
Importa nt
nt
nt
nt safety
safety
safety
safety notice:
notice:
notice:
notice:
Components identified by
mark have special
characteristics important for safety.
Furthermore, special parts which have purpose of
fire-retardant
(resistors),
high-quality
sound
(capacitors), low-noise (resistors), etc. are used.
When replacing any of components, be sure to use
only manufacture´s specified parts shown in the
parts list.
Caution
Caution
Caution
Caution !!!!
IC and LSI are sensitive to static electricity.
Secondary trouble can be prevented by taking
care during repair.
Cover the parts boxes made of plastics with
aluminum foil.
Ground the soldering iron.
Put a conductive mat on the work table.
Do not touch the legs of IC or LSI with the fingers
directly.
Voltage
Voltage
Voltage
Voltage and
and
and
and signal
signal
signal
signal lines
lines
lines
lines
: Positive voltage line
: CD signal line
11
11
11
11 Schematic
Schematic
Schematic
Schematic Diagram
Diagram
Diagram
Diagram Notes
Notes
Notes
Notes
11.1.
11.1.
11.1.
11.1. Scheamtic
Scheamtic
Scheamtic
Scheamtic Diagram
Diagram
Diagram
Diagram Notes
Notes
Notes
Notes
11.2.
11.2.
11.2.
11.2. Type
Type
Type
Type Illustration
Illustration
Illustration
Illustration of
of
of
of IC’s,
IC’s,
IC’s,
IC’s, Transistors
Transistors
Transistors
Transistors and
and
and
and Diodes
Diodes
Diodes
Diodes
AN8839NSBE2
AN8739SBE2
TC74HCT7007A
LC66358C4K97
MN662790RSA1
TA7291S
LM2940T5M
2SD2137PQTA
UPC29M33T
MA8082MTX
MA8039LTX
T0TX178
MA111TX
2SB956RTX
MA728TX
MA28TATX
2SB709STX
2SC4081STX
DTA143XUT106
DTC114YUT106
DTC143EUT106
DTC143XUA106
SML79420C
1
1 5
1 4
2 8
1
2 6
1 4
1 3
6
2 0
2 1
7
1
7
8
14
LC.......
1
12
13
24
25
36
37
48
G
I
O
I
O
G
1 2
3
C
B
E
E
C
B
C
B
E
A
Ca
A
Ca
A
Ca
A
Ca
A
Ca
A
Ca
Ca
A
Ca
A
A
A
A
Ca
Ca
A
Anode
Cathode
Ca
A
Anode
Cathode
Ca
A
Anode
Cathode
Anode
Cathode
Ca
A
A
Anode
Cathode Anode
9
1
1
....
....
....
.
.
.
.
.
.
.
.
.
.
.
....
....
....
. . . .
. . . .
. . .
20
21
40
41
60
61
80
18
SL-
SL-
SL-
SL-HD50
HD50
HD50
HD505
5
5
5
