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TC-818
|
REPAIRING
PRECAUTION
.
PARTS
IDENTIFICATION
[To apply B+
voltage]
Thepower
of this
unit
is fed from
amilifier.
Because
of
this,
connect
the
DC
Power
supply
as
illustrated
below
when
this
unit alone
operates.
DC Power
supply
GND
20VDC
2A
=
©
(0) (33) (34) (34) [30]
(26) Cassette holder
Tape operation buttons
<4 PP Fast winding
(> :Forward play
<J:Reverse play
[ ]:Stop
§8:Pause
O :Record muting
@ : Record
EJECT button
[31] DIRECTION MODE selector
DOLBY NR = switch
AMS/BLANK SKIP button
DUBBING SPEED selectors
AUDIO
BOARD
—Component
Side—
SAFETY-RELATED
COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK /\ OR DOTTED
LINE WITH MARK /\ ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION.
REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
TABLE
OF CONTENTS
Section
Title
Page
Section
.
Title
Page
SPCCIHGaliONs:
2:4. < 45h
Bie a
Ae eh
ee
1
3.
DIAGRAMS
Parts Edentieauoe
es OR a GRE Tee Sale 8h 0? ORE an ee He LS, fo eee
cae
2
3-1.
IC801
M50964-212FP
Pin Functions
...
;
7
Troubleshooting
............
000002
eee
2
3-2.
Block Diagram
................4..
9
3-3.
Printed Wiring Boards
..............
1]
1.
DISASSEMBLY
.............-.--.
3
3-4.
Schematic Diagram
................
15
2.
ADJUSTMENTS
4.
EXPLODED VIEWS...............
18
2-1.
Mechanical Adjustments
............
4
.
2-2.
Electrical Adjustments..............
4
5,
ELECTRICAL
PARTS
LIST.........
22.
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