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32.SCHEMATIC
DIAGRAM
MAIN
CIRCUIT
WAVEFORM
NORMAL
PLAY
(CD)
rP370
2V/div
10 u s/div
NORMAL
PLAY (LD)
"
en,
L
GND
J : TP376
5V/div
20 P sldiv
. TP375
5V/div
20 B s/div
. .
CD PLAY
c
. . .
C273
(7)
;
500mV/div
10ms/div
LD PLAY
~
',111,
I
I
I I I I I
I ( I
ES=*%+
500mV/div
5ms/div
SCAN PLAY
(LD:CAV)
0.0
rp351
(3)
500mV/div
500ns/div
.""
WAVEFORM(PICKUP/MAIN)
.
?
NORMAL
PLAY
(LD)
. . .
rP371
2V/div
10 v s/div
'OWER
ON
GND
rP378
2V/div
100ns/div
LD PLAY
G..
rP271
(RF)
500mV/div
500ns/div
NORMAL
PLAY
(LD:CAV)
B
!,
,!
!~
——
. . .
.,
'1,1
,,
,:,
,
:N315
(5)
500mV/div
5ms/div
SCAN PLAY
(LD:CAV)
GND
NORMAL
PLAY
(LD)
,..
rP373
500mV/div
5ms/div
LD AUDIO
SIGNAL
...
C201
(2),(41)
50mV/div
500ns/div
LD PLAY
0.0
C271
(3)
2V/div
100ns/div
STILL
PLAY
(LD : CAV)
GM
rP351
(3)
500mV/div
200 u s/div
CD PLAY
J :
TP272 200mV/div
500ns/div
.: IC271 (6) 200mV/div 500ns/div
PICK
UP CARTRIDGE
.. .
, -—-—-—---
_
-x7GRw7-—-—-—
---
L -—-—-—-—-
.-—:
—-—-—-—
CF.551 1.
2
.
II
I
8
1,
I
-1
i
i t
!
,,_E
rl+ie
IkiT
X li=l
'
7
I
–...-
W ;
5V 5
,,.0,
.),,'
cm%
,.,
,,/,
..0,,
1 F02
. ,"
6
I
y8i8;
,2
.
21ml
,
UC.9
w
7
I
3Q-
3C
ma
.1
(Ale,
~,eo,
40-7
:
;
,5$
:Y
.,-
IH-W=
II
.!
H
~
1
I
Ii<.
–-–__-i
CHIP
PARTS
TRANSISTOR
2SC2812
DTA143TK
2SA1179
DTA144EK
DTC143TK
DTC144EK
DTC144TK
c
Q
'\ /
E
B
DIODE
D2AS.6X
DZA5.6Y
a,c /+-j
NC
o
31
SY$@Mo
anode
2
rP354
2V/div
500 v s/div
–72-
Jan. /'9l /lOW
MS
Primed
[" :,0,".
SANYO
Electric Co., Ltd.
Osska. Japan
–73–
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