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--766-2
4-3.
MOUNTING
DIAGRAM
— Amplifier Section
(UK, AEP model) —
TC-766-2
TC-766-2
4
— Conductor Side —
46, 47
46,47 >
(VEL)
(eon
Teen
52,55, 57
~<52,55, 57
t
T
Replacement Semiconductors
45
5844
For replacement, use semiconductors except in (_ ).
=
sas ee
we Se
SS get
hte
Mee
ge
AE
en
sete ee aie
Ss
+
&
Q101, 103, 104 }
Hee
Cus
Q115, 121, 122
1
1
0301, 303, 304
}: 2SC1345-E
HEAD
r
A.
Q315, 321, 322
TERMINAL
BOARD
s
$101
0126. 326
J501
J101
J301
332
BLK
Q102, 302:
2SC1345-E (2SC458D)
Q501: 2SK30A
" Rueey acy ow
[HEADPHONES]
.
132
9.001
f e
(46V. BC MED
CSI
h
0.001
sa
=
=
(C).
© 6 eM 162V AC) HIGH
0.001
ine
T
=
E44
-
;
a
Tigh
ge
Sige
k @ !
bg
[Td
;
sd
BLU
az
?
a--—
OL
ee
ee
ee
a)
HEAD SELECT
Séo
SWITCH BOARD
PLAYBACK HEAD
108, 109
(RED!
2 TRACK —=4 TRACK
124
[R ch
WGRYD)
308, 309
: 2SC634A
(2SC458D)
Q504:
2SC1173
324
4
6
TL
|
za
e
=
ual
©),
€
Ro
EF 85~22028
feo
ee
ec
He
301
a
i
oe
E¢
2CH
oHft-o
8
REC |
R205: 150k (N)
Yoo
018
Q125, 325:
2SC1475
(2SC1318)
R208.1k.
107
505:
28C1475-13
(2SC1475)
oie
307" 2 0 } : 2sc634a
(28C1363)
-314, 320
Cy.
L2k(1/2W)
503,507}. 2sce34a
(2801364)
é
Praga: 2ede
aiteale
a
EcRs,
so
ee
eee
%
"330/25
"R210
3.3k (1/2)
"
Sa
%
(BLK)
c
(GRY
c
© (After replacing Q505, perform
the
'
=
(CL,
recrod bias adjustment on page 22.)
£ c's
;
INPUT-OUTPUT
ees
1.
Raa, 12M
R469", 5.6K
WHT/GRY
oi 8
icon
"ela Pr
:
'
: 1$1555 (1740)
'
327
D502, 503
i
Q116,316: 2SK43-13 (2SK43)
Bros
es
0 eg / Bs A251
Med
1T22A (1722)
Cod lowel
D303
wig
C454
cathode
.
100/25V
(YEL)}
Y
6
zu
t
Gso
&
4
=
Q117,317: 2SA705
59
=
Q127,327: 2SA678 (2SA677)
&
60
o. Rat.
7X61
QI
2
ee
R238 2.7K
2,7k
R233
pH,
i ee
52
(BLU)
(BLU)
(CLEAR)
e
B+ pattern.
worn?
GP ucrvy
woryn P
D> ROMP
tp
-
WHT/BLK
eo =~
= signal path (both channel)
weemeeep = L-CH
ommcemmnsecmpe
©
R-CH
e
DC resistance measurements are with coils connected
on the circuit board, and are approximate.
sigs
ir ties
oI
On
-®
a
7)
TE
RVIOS
KS
Yj
row (8)
®)
betes
be
a)
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