Sony TC-766-2 Service Manual page 24

Stereo tape deck
Hide thumbs Also See for TC-766-2:
Table of Contents

Advertisement

'766-2
TC-766-2
|
=
Sete
ee
ee
ee
Q106 2SC1363
0107 2Sci363
| 108 2SC458D
—Q109_2SC.458D
[REC eins)
MUTING
SWITCHING
REC AMP
ga.avRECAMP
pas
cing
_(ci88)c335
——S
——
-
Sq!
o.0018_ 470p/500v #
els 4 a
rr
| ) REC LEVEL
{t)
Cilé
RI28 68k
R133. 3.3K 1o/lov
—{[F
Ol
R132 221
Q106
6V
al
tov)
Sy)
ay,
cil eS
OsRi29 sRi3} 0.001 \_ AF
Q107
i}
HR 101
= RFI42~
ne
[ecu RECO]
HR 301
[ & ~
Rrria2-2202c
an
= i
[2th REC IR]
22k 7 39k
efaem "os
10k
yh]
OV
13VqOV2
aes
;
:
PB
Risa
5
J : 2l02¢
24ay
.
So "Be
$lon"
5303-3
L a l ?
REC MODE(R]
Dummy | Leo
coil yy} '™
R369
i)
68
SOO
HELIO!
8 X €&F85-22028
ERASE(L)
¥% (132V AC)LOW
% (46V
AC) MED
% (IG2VAC) HIGH
'
HE301
A
YI $ > eres-22028
(16.5VD LOW
(1B.5V) MEO
oqy
(2O5V)HIGH
"9 —DIOI,301 1T40
RI6B 22k 4¢ D101
care BOARD)
| femme
i
| a
2 SOURCE |
bE
|
[|
ee
CNJ70I
SYSTEM CONTROL'
BOARD
Q505_ 2SC1475
VOLTAGE CONTROL
D502
$303-I
R367
IT40
PB
ij
S501
$501
BIAS
LOW=-MED-+HIGH
:
SYSTEM CONT
RSI
RS
ONTROL
12k 7 22k
(
BOARD
)
nana
23.2
Q124
2SC458D
Q125 2Sc1318
aeiaieem
HEADPHONE _AMP
HEADPHONE AMP
ak
2w)
c5i0
oe
Se
ea
1
REC_MODE (L)
(METER BOARD)
$103-2
7
47K/2W)|
&
J501
H
PB
I
[HEADPHONES |
¢
4
4
83k | peat
aia
REC
tT
ont _13)
C215 3
al
INCLUDED
iov er vaw)
Hey
iN MEIOI
6033
ac
CY
tRi72 2 tS)
1
rf
PB FREQ
?
6301
REC_MODE (R)
Lo
(Ly
|
(Y) MEd
$303-2
CD
R243, 3.3K
mu eee J103
PBK
=
2
O
ft
a
©
we
Ra
P [Line UTI]
ne
, OR
ee
100k
st
INCLUDED
;
C134
'
}
IN ME3OI
aha
ple Nessa
epee
net
a
ee
een tee
T 00
x (3)
+
}
!
R372 27
|
T301
rt |
| __. R425
0303
S|
!
(METER
3k
ee
ayo
METER BOARD}
|
VU METER
(1/20)
R443
Y
(3
PLIO!
J303
tT
t3)
I
ae
aaa
© tine oT
[REC MODE}
p-7
|
0
AW
(3) PL301
|
334
R370
an
9
eee
rere eres ese
oe 8
een a
pee ee
BY
Fo.
220 y
[REG Mone]
Q507
2SC1364
Q5Ol 2SK30A
Q502,503
2SC1364
OC SWITCHING
24V
STABILIZING
STABILIZING
POWER SUPPLY
+
POWER
SUPPLY
23.2v
Q504 2SClI73
504% STABILIZING POWER [SUPPLY
R503
| C5032R
47k
22
10k
25V
|(1/2W)
C504
"N10
R504
ey
150
R506
10k
csoe 7
| |
D501 EQAOI-1IS
th
ae
.
2
Note:
Components for right channel have the same values as for
left channel.
Reference
numbers
are coded
from 301
(REC AMP or PB AMP)
or 401 (PB AMP).
All capacitors are in uF unless otherwise noted.
pF = uF
5OWV
or less are not indicated except for electrolytics.
All resistors are in ohms, "%W unless otherwise noted.
kQ = 10002, MQ = 1000 k2
All variable
and
adjustable
resistors have characteristic
curve
B, unless otherwise
noted.
fA} : fusible resistor.
(N) : low-noise capacitor and resistor.
mmm
«© «6B+ bus.
[~~] : panel designation.
(~]
: adjustment for repair.
777:
chassis ground.
Voltages are dc with respect to ground unless otherwise
noted.
Readings are taken under no signal conditions and in stop
mode with a VOM
(20k2/V).
(( )): record mode.
(_
): forward mode.
(
): S607 is ON.
AC voltage readings indicated by * in the bias oscillator
circuit are taken with
a VTVM.
Voltage variations may
be noted due to normal produc-
tion tolerances.
Switch
Switch
$101,301
MIC ATT
0 (dB)
$102,302
EQ
NORMAL
REC MODE
PB
MONITOR
TAPE
PLAYBACK
HEAD
2 TRACK
$103,303
$104,304
$105,305
$501
BIAS
MED
TC-766-2

Advertisement

Table of Contents
loading

Table of Contents