Sony TC-766-2 Service Manual page 21

Stereo tape deck
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46, 47
46, 47
(CLEAR)
(clear)
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(RED)
(
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ae
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ty
Replacement Semiconductors
Gok
For replacement, use semiconductors except in
ae
5
lie
<1Iv13>
Q101, 103, 104
-
Fy
307; 303, 304 | ° 2SC145-E
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ih
0315, 321,322
TERMINAL BOARD
re
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ig
fe
V6
2
at
i
Q102, 302:
2SC1345-E
(2SC458D)
Q504:
2SC1173
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HEAD SELECT
AUDIO
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SWITCH
BOARD
AMP
Q105, 108, 109
PLAYBACK HEAD
BOARD
Q123, 124,
.
0305, 308, 309 { > 2SC634A
(2SC458D)
425, 325: 28C1475 (28C1318)
0323, 324
Q505:
2SC1475-13
(2SC1475)
é
Cc
B-
RF 142-2202C
of)
fey
fred
re
.
(After replacing Q505, perform the
301
5
c
1
record bias adjustment on page 22.)
Fa cai
SOMO
et
Q110--114, 120
=
aaa'
: 2SC634A
(28C1363)
D101, 102
re
Q306, 307
D301, 302 }: 181555 (1T40)
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0310-314, 320
2.
ees
D502, 503
Aa ws
502,503,507:
2SC634A
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D501: EQB01-11Z (EQA01-11S)
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303
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ee
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a
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onde:
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0501: 2SK30A
{INPUT-OUTPUT BOARD}
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GB
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f
tenn?
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Note:
RED
—_|WHT
i
wel
@
«=:
part mounted on the conductor side.
I. f |
WaT BLY
©
2
: B+ pattern.
I Bee
warvig
ee = —-=» ; signal path (both channel)
meee:
L-CH
ese
> R-CH
z
559 >
;
:
P
RVIO5, 305
fl
t
e
DC resistance measurements are with coils connected
]
(
on the circuit board, and are approximate.
ante)
=
I
$101, $501, $102 ,$302
e@
Color code of sleeving over the end of the jacket.
fe
a
oo
j
Ro
ecteaccetty
oS
3
RVIO5S
fl
ay
10k (B)
lt
@
I
[
RV305
=
H
+
ae Gla
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Behe
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[une] = FS
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Fed
9
=
$104,304
7
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C CONTROL BOARD
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l
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XL
=~
16>
'
seat oe ee
ec
ook em st
e
Readings are taken under no signal conditions and in stop
mode with a VOM
(20k2/V).
((
)): record mode.
(
): forward mode.
«
): $607 is ON.

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