Sony m 770 v service manual

Page 2

M-77OV

SERVICING NOTE

FLEXIBLE CIRCUIT BOARD REPAIRING NOTES ON CHIP COMPONENT REPLACEMENT
0 Keep the temperature of the soldering iron around 270°C 0 Never reuse a disconnected chip compoent,

during repairing 0 Notice that the minus side of a tantalum capacitor may be
0 Do not touch the soldering iron on the same conductor of damaged by heat,

the circuit board (Within 3 times),
0 Be careful not to apply force on the conductor when sol-
dering or unsoldering.

SECTION 1
GENERAL

1-1. Parts Identification

RECIBATI' (record/battery) indicator

VOL (volume) control

J- PAUSE swttch
J- 0 (record) button

CUE ¥ (fast Iotward)IREVIEW :(rewind)

' fl control
1 (playback) button

L- : (stop/eject) button

Cassette holder

TAPE COUNTER and counter reset button

Display window
VOFI (voice operated recording) sensitivity
Speaker switch
Ar-Battery compartment (rear)
Handstrap catch
\\K
I
MIC (microphone) (PLUG IN POWER) iack Handstrap

EAR (earphone) lack IC (built-in microphone)

TAPE SPEED selector

[-3ET button (for setting the date and time)

DC IN 3 V
(external power input) jack : button
RESET button L- button

It the wrong indications appear in the display window,
press this button and then set the current date and
time again.