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CARTRIDGE
m@ SCHEMATIC DIAGRAM
Se
7
(This schematic diagram may be modified at any time with development of new technology.)
D309
D310
|
vee aCe No
ones eee
!
MPORTANT SAFETY NOTICE
=>
Notea:
$1
: Power switch in ''on" position.
$301:
Stop switch.
;
$302
~_: Start switch.
$303
=: Backward skip/search switch.
$304 ~~ : Forward skip/search switch.
$305
=; Cueing control switch.
$306:
Repeat switch.
$307
—_: Cabinet (Reset) switch in ''on" position.
(Upper cabinet is closed)
9.
$308
=: Record size selector switch in ''auto'' position.
10.
$309
=: Speed selector switch in ''auto"' position.
11.
$401
: Sensitivity selector switch in ''M" position.
12.
$601
: Rest switch in ''off' position.
(Presently tonearm is on rest.)
13.
The voltage value and waveform are the standard values of
this measured by DC electronic voltmeter (high impedance)
and oscilloscope
on the bais of chassis.
Therefore, the
on this schematic a glell focor-
tical shock hazards.
is essential that only manufactur
arts be used for the critical com-
ded areas of the schematic,
C)
PHONO
OUT
" S
e@ Power source circuit
&
P
t for
[MC]
only.
ABO
ven
roduc
[MC]
y
(DOWN
)
COS
Oo Oh
GOINE
Q308,311
uen
:
cy adj
RELAY DRIVE
SFPABJO204A
voltage value and waveform may include some error due to
& LED DRIVE
ie
s|pende
ee
the internal impedance of the tester or the measuring unit.
Ww .
CY)
S|
is the voltage when turntable is stop.
D Secerernes:
(0)
'a
e(
) is the voltage when turntable is in rotation.
Wg
i
* [~
_| is the voltage when tonearm is in lead-in mode.
* <>
js the voltage when tonearm is in return mode.
*((
)) is the voltage at 45 rpm.
14,
Positive voltage lines.
15.
Important safety notice:
pie
bs
Components identified by
ZX mark have special character-
mbote pour f.
isitcs important for safety,
When
replacing any of these
:
:
;
components, use only manufacurer's specified parts.
PCSO!
ONII86
OFFSET ANGLE
SENSOR
*The part No. of diodes mentioned in the schematic diagram stand
for production
part No.
Regarding the part No. with ©
mark the
Production
part
No. are different from
the replacement
part No.
Therefore,
when
placing an order for replacement part, please use
the part No. in the replacement parts list.
adj.
TURNTABLE
DRIVE CIRCUIT
ee
a e s
TURNTABLE
CONTROL
CIRCUIT
| R503
oe |
OOO @OG
CUEING PLUNGER
L§6Q_ _ Ye)
CNIOI
on
.
33: pm 20 msi 50 5H2z)
(ARM POSITION)
08
| ¢5rpm ams (682542)
e200
ae
C20: ae 0§
DSOI
D502
|
HIOI
102
| 33rpm
iOms
(1O0!Hz)
20m
ara6i
C3 MAI50
SVDEBR3432S
OHOO2H
1 45rpm
7ms(136.5Hz)
ARM POSITION IND.
0.27 (47) HALL ELEMENT
82%
ti
F 7
Oty
To CN101 terminal
zevt
OOOO
102
Ipig
Sov 0.22
|!00
Q301,303
(4.9)
2SD636
LED DRIVE &
SPEED_SELECTOR
1C201@)pin
asv
'
|
fTv
33rpm
!Oms (id
33 rpm---303ms
45 rom
7ms (136
BetweenAi and A2
BetweenA3 and Ad
{4193
MHz)
vu
O 24u8(4.!93MHz
C----Common
Cathode
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