Sony TC-765 - Page 32

[C-765 TC-765 | TC-765
BOARD) "$603 OFF ON ]
Replacement Semiconductor
;
OFF ON i ! Rive For replacement, use semiconductors except in (_ ).
ote:
7 * enor © All capacitors are in uF unless otherwise noted. pF = uuF ae bis) fates
r] 5OWV or less are not indicated except for electrolytics. 0716-720, 722-735 }: 2SC634A (2SC1364)
7 = P? = e All resistors are in ohms, %W unless otherwise noted. Q737, 738, 740—748
[ss
2 kQ = 10002, MQ = 1000k2 a902 1C701: CX738
:
1364
a
.
z
+
Hof:
1413121110
9
8
eins eae ae curren een woot We aaee Os ee 7 arta bane een | c Tae
vi
7
WAG
RTT2
906-~
909
indi
8
ara
a
gee
hice
eps
;
e
zu
indicates
component
tolerance.
1)
&
Aue
727
180k
80k
e
tS
:
B+
bus.
2
Pris
e
e
(_—_]:
panel
designation.
FON
“a
(Tee
see!
(an © [_—] : adjustment for repair.
N,
e
=:
direct
connection
to
points
marked
=
on
the
0702.
705,708:
2SC1061
1C901:
CXO65A
(CX065)
chassis. Step e se ony
100V:
oa
e
7
:
chassis
ground.
ee: e@ Voltages are dc with respect to ground unless otherwise
noted.
12345678
Y
Sabb
e@ Readings are taken in stop mode with a VOM (20k9/V). (Marking side view)
(( )): record mode.
(
):
forward
mode.
pris,
ea
{ }: S607 is ON. Q710, 712,714: 2SC1364 (BLUE) (2SC1364) 723-743 : 181555 (1740)
e
Voltage
variations
may
be
noted
due
to
normal
produc-
D748—754
tion tolerances. c D759—767 ‘ ;
it (Cy D714: 1T22A (1722
pedal £ D769: 181555
MgO! 106246 Ref. No. cathode
; CAPSTAN REEL SIZE fc's
TAPE SPEED
TIMER Q711, 713,715: 2SC1475-13 (2SC1475)
POWER anode
SHUT-OFF (SUPPLY) c
SHUT-OFF (TAKE-UP) CY
REC MONITOR MUTE ~ e D602, 603
fly D701—705
D707, 716,717 |, u
L
a
7
After
replacing
Q711,
713
or
Q715,
etnias
cles
ISIBOT-02)
p6o1
[FUNCTION
SHTTOH
Boaroy
|
change
the
resistor
as
follows.
D901,
906-909
@o«nH> py» il Q711: R722 10k2 >8.2k2 awe
0713: R725 10k2 >8.2kQ one 2
Q715: R728 10k2 >8.2k2 =~
[og
GP,
Q736, 739: 2SC867A (2SC867) pa
Q903: 2SC867A anode
mg ee a he Phe age oleae cet D706, 768: EQB01-11Z (EQA01-11R)
US, CANADIAN cathode
MODEL
a
ep,
Be abe ear 0901: 2SA678 (2SA677) anode
tev) yu pila
Q701,703 2SCI364
STABILIZING POWER
Q702 2SCI06I
STABILIZNG POWER
i KV. D904,905: VD1221 x 2
E
E
Ces
$
Note: The components identified by shading are critical for
safety. Replace only with part number specified.
| SES RD
pm
0H
pros
sere
W--
~~~
~------------
4
— 0701~704 SIBOI-02
SONY-00527 / DRUCK 20