Sony TC-766-2 Service Manual page 48

TC-766-2
1. Action of 1C701 (CX738) (Refer to Fig. 1)
Pushing any of the function buttons grounds the
actuating circuit of IC701 (terminals @) to (3) and
the output from terminals@)to@controls each mode.
(Output occurs when terminals @)to (9 are at less
than 4.5V.)
Fig. 1 indicates the output in each mode by
a logic value.
fast
record rewind stop forward forward pause
@ << mn D> D> OF
coy CS: ee ce es
©
FLIP-FLOP
10701 CX-738
Table I
Fast Forward
0: OV output
1: 12V output |
HOLD: Previous mode condition does not change.
¥ 1: pP represents DELAY Forward.
*3, In Forward mode, if PAUSE button is pressed, the
solenoid is de-energized and the brake is operated.