Sony TCM-8EV - Page 27

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US
model: 16,001 and later
Canadian model: 10,301 and later
AEP model: 13,701 and later
E model:
14,801
and later
Note on schematic diagram
Note
:
•
All
capacitors
are
in
µF
unless
otherwise
noted.
pF
:
µµF
50WV
or
less
are
not
indicated
except
for
electrolytics
and
tantalums.
•
All
resistors are
in
ohms,
1/10W
unless
otherwise
noted
.
k.11.
:
1000.11.,
M.11.
: 1
000k.11.
• * :
selected
to
yield
optimum
performance
.
•
C=:J
:
adjustment
for
repair
.
• - - -
B+
bus.
•
Voltages
are de
w,th
respect
to
ground
unless
otherwise
noted
.
• Readings are
taken
under
no
-signal
conditions
with
a
VOM
(DC
50kn/V).
no
mark
:
PB
( ) :
REC
> :
VOA
REC
(TAPE
STOP)
( ) :
VOA
REC
(TAPE
RUNNING)
•
Voltage
variations
may
be
noted
due
to
normal
produc
-
tion
tolerances
.
•
AC
voltage
readings
in
the
bias
oscillator
with
a
VTVM
.
•
Total
current
is
measured
with
no
cassette
installed
.
•
Switch
Ref. No.
Switch
Position
S101
TONE
L
S102
PAUSE
OFF
S103
POWER
OFF
S104
REC
/PB
PB
S301
VOA
OFF
•
ffiv
:
signal
path
. (PB)
•
~
· : signal
path
.
(VOA
REC)
Not
e:
Voltages are measured
wit
h a VOM (5
0k
f2/V).
SEMICONDUCTORS LEAD
LAYOUT
MN3307
AN6612S
CX807
NJM2903M
1T22A
n
+
1
\1~~
~µ
'·'
n+l
sl,t
or ·.
dot 1 2 n
sl,t
~
i.,11y
or
··
dot
cathode
{,ooa
e
(Top
view)
h
1 2
n
SLB·23UR27
2S8739
l
E C B
cathode
anode
-3-
2SA1162
2SC1623
DTC114YK
~
s¾
D
E
TCM-8EV