Technics RS-B765 - Page 22

RS-B755 RS-B755
R633 120
R632 120
if c552 0.1 5 t= T
C551 0.
:
1
¢
|
ww
ba
os
ast]
(BBs
28
| ee
<
Q15
~
18
ear!
3
2SA 1309AQSTA 2SC3311 AQSTA i cav| 1620172)
REC
EQ
AMP
U5
or
(METAL)
(¢r02
/
METAL)
eC)
revio
350
MB88511-
224N
2 4
a3.
ov
ov
|
th
MICROCOMPUTER
(
MECHANISM)
{
9
OB
z
°
5
n
f
Ld
she
2s
ot
B
RSI
R55
22K
SS]
ne
4
203
ge
ar
eb
o=
22k
ne
=a
4]
R920
22k
v
38
i
cara
gs
3o
r
MPX
‘on’:
OV
=
>
PLAYBACK
GAIN
ox
eM
R922
4.7K
1
-
5
agg
moka
me
C42
47P
ADU.
(L
ch)
hes
©
sonrk
i
Dolby
B:
OV
BF
=
age
R980
4
DTAII4ESTP
©
ov
Metal
eee
oy|Metal:0.6V
lov
Metal:o.6v
Jov
Metal
/Cro2
22K
R56
22k
6
!
R/P
SELECT
=0.5V -0.6V -0.6V tee rea rire) 3mH
Bou
6
C44
C54
rr
Q9l9
cage
carey
16V.10
1200P
“Bev
Qi5
QI7
Qi
R54
ov
7
H
ery
ean
iG
+
22K
ov
OVE
hog
ae
Dolby
0
ee
Qi6
ais
ai2
vet
sh
-cev
330
Bors
é)
6)
sor
sO
Cle
i)
)
a924
1c3
SS
(
D
4
:
&
ad
if
wet
ae
3
Zw
2
«
OPiS?
Seles
1g
DTAII4ESTP
x
aN
oy
PLAYBACK
GAIN
oy
pee
EE
ies
Sg
oe
=
S
MPX
SELECT
X20
la
ws
see
sx
ges
[a
|
lo®
x8
et
ee
z
Z
a
= 2 x oh
=
oi
=
8]
Biss
x
Se
ft
ice
=
DTAII4ESTP
2s
sl
=°
aa
<
M5218L
5
a
NR
SELECT
MPX
“on”
-
OV
neo
Do
coy
wo
x,
=
aw
8.5V
x
o8
8s
©!
s)so:
¢
PLAYBACK
CORRECT
C4
e
(DOLBY
B)
ay
BU).
|
se
jon
re
pares
=
PHASE
@)
(2)
as
aVAVAY
4v74.1v
]8.4v
]3.7V
Jo.7V
2
=
ov
Q930
re
l
lo
zu
500.50
=
2ms.2v/DIV.
Q920
ai
Yaa!
os
TORN
2
2
Emeox
5
ie
Al
6
len
SV
{{oK
>
©
io] Dolby B: OV Moclty 2
:
~BV
i
S R903 C904
3s
470
aver
eg2l
1c3
4
oy,
wind
&
ath
MC
14066BCP
ty
TAPE
SOURCE
|
Tasos
201
“Fr
).,
caiq.
OTCIIGESTP
SELECTOR
2SC3311AQSTA
o-F¥
2SC3311AQSTA
Ceity
Cov
WZ
eyih
|
SWITCHING
BIAS
OSC
CONT.
RESET
(
MICROCOMPUTAR)
ag2i
2
907
2SC33I1AQSTA
L
NR
SELECT
(DOLBY
C)
w
pola
2SB
|OSORSTTA
.
CEB)
area.
=
9902
905,
BREAK
SOLENOID
mee
Ree
5
DTAII4ESTP
te
“15
Fey
é
ge
SOLENOID
DRIVE
OLENOID
PROTECTOR
————
t
i
88y
|
88y
2S
D592AQRSTA
(eaoe
og
REEL
MOTOR
CONT.
BA6218
=
0808
ay
Se
eevaol?
Arorie
S|5
EJECT
MOTOR
:
‘
eo
12
V2Wig
ay
5.2v
BSW
CONTROL
«
>
a
S33
why
Ss
=
R944
@,
ale
-8.2V|-8.6v.LO
'2vew
So
YY
s
A\R985]
R804
WV)
ay
TS
fe
¢€
ik
|
100
Meoavips
+
et
=
efus
Q931
o
mo
fe
(EB)
area.
Rese
Bos
BSS
pehge
DTCII4YSTP
eT
O1V
ef
[eg
OBLOm
SWITCHING
in
~|OV
2.9V
s-
=
oF
Ft
/22V
Q93I
(-8.
20ms.1V/DIV
=
3
3
maa
Qgi2
Se
=
0k
0.20
Fes]
|.
RSTTA
DTCII4ESITP
~s
DIEM
a
tor.
(ale)
°
REEL
PULSE)
DET.
Q9I5
CONT
ie
1cg02
!
2
SOLENOID
(TAKE
-
UP)
eT
=]
o-eeo™l
[tp
asssoe
12)
gy
TT
Ty
TTT)
fF
SF
ppg
8
j
1
=
ov
ae
Qgl2
[
f
AT
>
pages
:
9906)
yy)
“9808
2ev
Q914
ex
0914
932
|
(8)
>
CENTHOL
(10.7
Liv
26
DTCII4EST|
'
:
row
r
ov
LoK
>
2.2V479K
-7\
ago9
(te
Apis
@*
REEL
PULSE
13ga
poe
|
O-O-O-O-O
Can
ay
'
(orang
al
2SC3311AQSTA
f
wv
DET.
(SUPPLY
|
Lees
'
3.5
ov
sameaT
Joey
PD
uy
:
BREAK
SOLENOID
LL
__
L
sy)
C913)
Bas
ES
Sr
®
Q933
(EB)
area.
-L
PROTECTOR
CEB)
area.
+
goat
s
+484
2SD
I450RSTA
if
a
c906
9903,
906
T
as08
E82"
.383
28C3311AQSTA
axe
3
co
a
t
c
‘
5
Bxs
3
;
OTCII4ESTP
DTCII4YSTP
og
SEs
gt
oem
SESSES
Reet
purse
vet.
|
alt
age
f
139
1/2W1
SOLENOID
DRIVE
BREAK
SOLENOID
$e
38
Besar
>
|lraKe-uP)
/
Lay
PROTECTOR
Ss
eg
7
qo—49
eae
CEB)
area.
+
=
-
——
m
=
:
=k
a
lo2v
i:
a
:
x
a6oa'o8V)
1
evi
aQo13
Q932
h
h
o.eV
a
2SC3311AQSTA
2SD1450RSTA
yg,
vr
4iow
>
=
bi
2omsIV/DIV
REEL
PULSE
DET.
(SUPPLY)
STABILIZER
=
)
fr
R942
viv,
2922!
ise
CNS
6)
@)
0)
Sr
8
0613
tv
7
820
Fy)
;
©)
@
@
@
©
;
een
ea
Fi
(hee)
To
(IR
capstan
ld XN
TICII4ESTP
:
e-
ba
q
(6)
(4)
0)
MOTOR
(D.D)
“ABILIZER
8
m
e928
i
®
©
©)
®
CrReU
ITI)
Py Py
1.6v
8
e
bee
=
2
2
6V
:
e)
ov
&
6
6
&
a
se
be
5v
is
z
OTT
sss
tb
eg
ipa
=
'
&
5
BE
DTAII4ESTP
ee
eet
er
ee
PE
Q~
om
REEL
MOTORLEAF
SWITCH
aia
r Ses eo.
ee
oe
ee
SWITCHING
z
Zz
8
eet
Ss
1c971
1c972
CIRCUIT
IC
TRCUIT
)
@®
G
h
kuecres
5
53
ag
(2)
G)
@)
@)
1
DEO
OH
at
on
of
o—
oD
ae
oF
az
uz
2
=
Tov
=
[ov
1
S”
g928
oor
es
saat
1C971,972
Eo
s
505
Ro
Fxg
06v
=
_l
2604
,
606,
608
aoi6
2SC3311AQSTA
2)
GP2SO06BC
a5
Pe
a5
52
(@)
26
{CEB
R627
:
(EB)
2SD2037EFTA
2SBIO3ORSTTA
.
SWITCHING
(
OPEN)
PHOTO
COUPLER
=
)
1Gred.:
100
‘area.
REGULATOR
CAPSTAN
MOTOR
ee
a
eee
SON
tsOL
[ay
ect
motor
circuit
Ey mechanism circuit
—
93
—
es
ae