Technics SL-D2 Service Manual

~ Schematic Diagram
1 2 3 4. 5 6 7 8 9 10 11 12
CCUIMS
75mS, + 75m$ = ea, gt
A
aie
|
28V
7
\f{\
4
4 tO Jy ee. : ! 225mS
dz: 7.2V 7 | |
45V r re ee | a oss
: L.7V =
r
is
sv
SU
Le
iF
{
=
:
|
59V
|
0.4V
4.4V
a BL9¥] = a en a
2SC1846f og; | rs
B
STOP
SWITCH
S
i
NO. ONC. O
Sl J D1 a
SVDS1RBA20 7)
ryt panied
C F
S
=>
AC LINE Z 5 2
50/60Hz
=
=
&3
v=)
oS
“ 0-60 8-&
BLU 1) © 13.6V] {22.8¥] [16.6V (5.9V 34V) (21.5V] (21.5¥ 0.01V
POWER 2 Rl 3.9(1W) (17.3V) (22.8¥) (19.4¥) (4.6V) (6.4V; (6.4¥) (2.7V) 120.3V 20.3¥) (20.3¥) (OV 4. 4¥)
IC1
TRANSFORMER 2 Le
a | : AN630U
(a)
SVDMI152 | 17.4V] [17.4] 3.2V] (2.7V¥; (3.4¥j) [21.5V) [21.5V) 14.6V) (Ov] 7.8V 4 4V
L
(0.9V)
(17.4V)
'3.2V
(2.0V)
(2.7V)
{20.5V)
§20.5V)
4.6V)
(OV)
19.6)
(4.
4¥)
D7 faa
E SVDGD4205ALC (le >
iv) Cd
Notes:
Q3
(19.0V)
.
Z
afk
1. $1: Power switch (Arm switch) in “OFF” position. fa a
2. S2: Speed selector switch in ‘33-1/3 r.p.m.” position. D6 [5.0V] BO 8
3. S3: Power selector switch in ‘’220-240V”" position. MA1 50 (5.0V N ~?
4. The voltage and wave form are the results of measure- =
ment by usuring DC voltmeter and oscilloscope on the OFF
basis of the chassis. 4 0 °°
F Poe Yo Red gees af Voltage measured by DC voltmeter in 52 4
33-1/3
r.p.m.
mode.
3
SPEED
SELECTOR
C
a
(S1 — N.O., S2 — 33) SWITCH a
Wave form. . .Wave form measured by oscilloscope in
33-1/3 r.p.m. mode.
(S1 — N.O., S2 — 33) VR3 20K(B)
( hte, od Voltage measured by DC voltmeter in SFDPD20-01(a)
stop mode.
(S1
—N.0.,
S2
—
OFF)
/
G
@ TERMINAL GUIDE OF |
TRANSISTOR AND IC an 2259
re, 4b
14 a ~
AN640G T ae
a MAVAVAVE '
7 21.5V 0.4V 4.4V
"11; rt! OV ee ee Se eae Dae
H rh
(This schematic diagram may be modified at any time with the development of new technology.)
13

Technics SL-D2 Specifications

General

Brand	Technics
Model	SL-D2
Category	Turntable
Language	English