Sony TA-F770ES Service Manual

SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
a
CONTROL
TA-F333ESL/F770ES/F870ES
REMOTE
SENSOR |
PROTECTION MUTING
g POWER INDICATOR
8
3
oyr"@
62)
SPEAKER
= © = <Y SELECTOR
fo 2 oO > fay
Oo} 2 5 w g
68
es
3
Z
w
3
3
PROTECTION
| cejgee 8 3 3 3@ =
PHONO O SO 5G E Ms bad Z POWER AMP
:
eS
meen
x SPEAKERS
<I OX) CY) &) MO8 FET.
[RIAA
|
POWER
O-O———O)
A
muuc &) OX) J STAG
= il i
CARTRIDGE LOAD
TUNER
O
G)
ee)
8
co
O
TC
AUX ©
TAPE
3
©
BASS
TREBLE
S)\ MODE
TAPE
2
O
29)
SELECTOR
HEADPHONES
TAPE 1 O
REC OUT 3 O
O SO) REC OUT
REC
OUT
2
2Y
SELECTOR
POWER
5
AG
REC
OUT
1
O
ae
SUPPLY
POWER
ouTO SUPPLY
sonrton
{
ines
SN O
AC OUTLET
DIRECT IN OC
REFINED SPONTANEOUS
TWIN DRIVE
Note on Printed Wiring Board:
Note:
5-2.
CIRCUIT
BOARDS
LOCATION
e
o-———
:
parts
extracted
from
the
component
side.
OUTLET board ;
(TA-F770ESL/F870ES) Note on Schematic Diagram:
V.
S
board
Note:
(TA-F.
333ESL)
SP
TERMINAL
board
@
All
capacitors
are
in
wF
unless
otherwise
noted.
pF:
wyF
MAIN
(B)
board
PREOUT
board
50
WV
or
less
are
not
indicated
except
for
electrolytics
and tantalums.
EQ board e All resistors are in Q and % W or less unless otherwise
CONTROL
board
specified.
e % : indicates tolerance.
FUNCTION board © Components for right channel have same values as for left
channel.
e Ewe} : nonflammable resistor.
e ~wOtt : fusible resistor.
AC-SW board
Note: The components identified by mark A\ or dotted line
INPUT board with mark A\ are critical for safety.
Replace only with part number specified.
H,
P
board
°
:
B+
Line.
e (EERSH : B-Line.
SP-SW
board
e
[-_~]
:
adjustment
for
repair.
MAIN (A) board ® Voltages are taken with a VOM (10 MQ/V).
Voltage variations may be noted due to normal production
TONE
board
tolerances.
S. D board VOL board e Signal path.
>> : PHONO
a 10= —11—

Sony TA-F770ES Specifications

General

Brand	Sony
Model	TA-F770ES
Category	Amplifier
Language	English