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DTC-60ES
28
29
PHOS.
[
ai
|
PHO4
PT4850F
PT4850F
TAKE-UP
eeaus
SUPPLY
[TOP END SENSOR BOARD]
DRUM
MOTOR
DRIVE
REEL MOTOR
|k BOARD
|
PM903
|
REEL MOTOR
CONTROL ( BRAKE)
not
x x
<
'
S
9 (3.4)
«
wB
(3.4)
oe
@-O-G-6)
»
&
5
N38)
g\/2
7
8 uaan
a\®
2
4
ola
7
FT acPcG
(0)
=
a
7) WO.
4g
ae
(2.80)
:
DRUM ASSY
(2.4)
AHACIN
(2.4)
A-RA-O
(4.9).
(4 SWS REC: Vee!
(3. 4)
—HA-vee
(3.4)
REC- BIASGO
REC-GND
(4.9)
__4A-GNOGS)
(4.90)
B-RA- OUT Png D
(2.4)
(2.40 B-HA-INGO<—¥
5)
3.2
C2
—HDp
3) 3.20
8-PC@}} —4
a
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0.22
3B
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vo
1
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& (3.9)
Ja2en
Sos]
ef
a3.an
A
+40
o
eg
21)—L2-—C
C4)
1
3.8)
(4.7)
RIS
C14
R12
re
17
ot
15K
236
5
1OOp
'5K
i
P Ou
[A
ON
o
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[DRUM DRIVE
Boaro] |
+5V
CNO4
cet
[2 | Reel 2
id
Q z S a
|
[te
|
=
=
Lt te tieo —]
aoe
3
RUBS
EEL 1
Dp
EEL 2
(lier
TO MAIN
BOARD
CN508
ace
2 c ala
m <|m
!
siauiudaal
PHO!
GP2sosc
TAKE-UP
REEL
1.8
R31
10k
CH
AARAAVAAAT
PHO2
GP2SO09C
FG AMP
SUPPLY
REEL
i
n o 4
swi(S
3
a
Fie
Notes on schematic
diagram:
°
All capacitors are in pF unless otherwise noted. pF: pyF 50WV
or less are not indicated except for electrolytics and tantalums.
All resistors are in ohms, 1/4W or less unless otherwise noted.
Q _: Internal component
AW}: Fuse resistor
a
PLN
(s]3]3]8]3)3]2]2]8["[3]8[s[s[[s[=]o[s[=[5[o[e|
a <
Dp
tad
we is)
ECEN
4
The components identified by mark A\ or
dotted line with mark A\ are critical for
safety.
Replace only with part number specified.
Lescomposants identifiés par une marque
A sont critiques pour la sécurité.
Ne les remplacer que par une piéce por-
tant le numéro spécifié.
ome
B+
Line
swans:
B-
Line
*
Voltage are dc with respect to ground
under no-signal (STOP)
conditions.
No mark : Stop
(
)
: PLAY
(
))
: REC
<
>
: FF
<<
>>
: REW
{[ ]
: MOMENTARILY WHEN P®,<4 and
BUTTON IS PRESSED.
{[
J}
: MUTING
*
Voltages
are taken
with a VOM
(input impedance
10MQ).
Voltage
variations
may
be
noted
due
to
normal
production
tolerances.
*
Circled
numbers
refer to waveforms.
+
Waveforms
are
taken
with
a oscilloscope.
Voltage
variations
may
be
noted
due
to
normal
production
tolerances.
*
Signal
path
>>
: PB
> _»>: REC
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